From d67f284ec89bf3252e9d2830115ced391727f1e4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Diego=20=27Flameeyes=27=20Petten=C3=B2?= Date: Thu, 31 May 2007 16:30:30 +0200 Subject: Move nosefart sources inside contrib/ directory. --HG-- rename : src/libxineadec/nosefart/Makefile.am => contrib/nosefart/Makefile.am rename : src/libxineadec/nosefart/diff_to_nosefart_cvs.patch => contrib/nosefart/diff_to_nosefart_cvs.patch rename : src/libxineadec/nosefart/dis6502.c => contrib/nosefart/dis6502.c rename : src/libxineadec/nosefart/dis6502.h => contrib/nosefart/dis6502.h rename : src/libxineadec/nosefart/fds_snd.c => contrib/nosefart/fds_snd.c rename : src/libxineadec/nosefart/fds_snd.h => contrib/nosefart/fds_snd.h rename : src/libxineadec/nosefart/fmopl.c => contrib/nosefart/fmopl.c rename : src/libxineadec/nosefart/fmopl.h => contrib/nosefart/fmopl.h rename : src/libxineadec/nosefart/log.c => contrib/nosefart/log.c rename : src/libxineadec/nosefart/log.h => contrib/nosefart/log.h rename : src/libxineadec/nosefart/memguard.c => contrib/nosefart/memguard.c rename : src/libxineadec/nosefart/memguard.h => contrib/nosefart/memguard.h rename : src/libxineadec/nosefart/mmc5_snd.c => contrib/nosefart/mmc5_snd.c rename : src/libxineadec/nosefart/mmc5_snd.h => contrib/nosefart/mmc5_snd.h rename : src/libxineadec/nosefart/nes6502.c => contrib/nosefart/nes6502.c rename : src/libxineadec/nosefart/nes6502.h => contrib/nosefart/nes6502.h rename : src/libxineadec/nosefart/nes_apu.c => contrib/nosefart/nes_apu.c rename : src/libxineadec/nosefart/nes_apu.h => contrib/nosefart/nes_apu.h rename : src/libxineadec/nosefart/nsf.c => contrib/nosefart/nsf.c rename : src/libxineadec/nosefart/nsf.h => contrib/nosefart/nsf.h rename : src/libxineadec/nosefart/osd.h => contrib/nosefart/osd.h rename : src/libxineadec/nosefart/types.h => contrib/nosefart/types.h rename : src/libxineadec/nosefart/version.h => contrib/nosefart/version.h rename : src/libxineadec/nosefart/vrc7_snd.c => contrib/nosefart/vrc7_snd.c rename : src/libxineadec/nosefart/vrc7_snd.h => contrib/nosefart/vrc7_snd.h rename : src/libxineadec/nosefart/vrcvisnd.c => contrib/nosefart/vrcvisnd.c rename : src/libxineadec/nosefart/vrcvisnd.h => contrib/nosefart/vrcvisnd.h --- configure.ac | 2 +- contrib/Makefile.am | 2 +- contrib/nosefart/Makefile.am | 37 + contrib/nosefart/diff_to_nosefart_cvs.patch | 117 + contrib/nosefart/dis6502.c | 474 ++++ contrib/nosefart/dis6502.h | 52 + contrib/nosefart/fds_snd.c | 94 + contrib/nosefart/fds_snd.h | 50 + contrib/nosefart/fmopl.c | 1323 +++++++++++ contrib/nosefart/fmopl.h | 164 ++ contrib/nosefart/log.c | 118 + contrib/nosefart/log.h | 53 + contrib/nosefart/memguard.c | 417 ++++ contrib/nosefart/memguard.h | 70 + contrib/nosefart/mmc5_snd.c | 360 +++ contrib/nosefart/mmc5_snd.h | 82 + contrib/nosefart/nes6502.c | 2386 ++++++++++++++++++++ contrib/nosefart/nes6502.h | 134 ++ contrib/nosefart/nes_apu.c | 1212 ++++++++++ contrib/nosefart/nes_apu.h | 331 +++ contrib/nosefart/nsf.c | 632 ++++++ contrib/nosefart/nsf.h | 152 ++ contrib/nosefart/osd.h | 94 + contrib/nosefart/types.h | 136 ++ contrib/nosefart/version.h | 59 + contrib/nosefart/vrc7_snd.c | 347 +++ contrib/nosefart/vrc7_snd.h | 70 + contrib/nosefart/vrcvisnd.c | 210 ++ contrib/nosefart/vrcvisnd.h | 85 + src/libxineadec/Makefile.am | 9 +- src/libxineadec/nosefart/Makefile.am | 37 - .../nosefart/diff_to_nosefart_cvs.patch | 117 - src/libxineadec/nosefart/dis6502.c | 474 ---- src/libxineadec/nosefart/dis6502.h | 52 - src/libxineadec/nosefart/fds_snd.c | 94 - src/libxineadec/nosefart/fds_snd.h | 50 - src/libxineadec/nosefart/fmopl.c | 1323 ----------- src/libxineadec/nosefart/fmopl.h | 164 -- src/libxineadec/nosefart/log.c | 118 - src/libxineadec/nosefart/log.h | 53 - src/libxineadec/nosefart/memguard.c | 417 ---- src/libxineadec/nosefart/memguard.h | 70 - src/libxineadec/nosefart/mmc5_snd.c | 360 --- src/libxineadec/nosefart/mmc5_snd.h | 82 - src/libxineadec/nosefart/nes6502.c | 2386 -------------------- src/libxineadec/nosefart/nes6502.h | 134 -- src/libxineadec/nosefart/nes_apu.c | 1212 ---------- src/libxineadec/nosefart/nes_apu.h | 331 --- src/libxineadec/nosefart/nsf.c | 632 ------ src/libxineadec/nosefart/nsf.h | 152 -- src/libxineadec/nosefart/osd.h | 94 - src/libxineadec/nosefart/types.h | 136 -- src/libxineadec/nosefart/version.h | 59 - src/libxineadec/nosefart/vrc7_snd.c | 347 --- src/libxineadec/nosefart/vrc7_snd.h | 70 - src/libxineadec/nosefart/vrcvisnd.c | 210 -- src/libxineadec/nosefart/vrcvisnd.h | 85 - src/libxineadec/nsf.c | 4 +- 58 files changed, 9269 insertions(+), 9266 deletions(-) create mode 100644 contrib/nosefart/Makefile.am create mode 100644 contrib/nosefart/diff_to_nosefart_cvs.patch create mode 100644 contrib/nosefart/dis6502.c create mode 100644 contrib/nosefart/dis6502.h create mode 100644 contrib/nosefart/fds_snd.c create mode 100644 contrib/nosefart/fds_snd.h create mode 100644 contrib/nosefart/fmopl.c create mode 100644 contrib/nosefart/fmopl.h create mode 100644 contrib/nosefart/log.c create mode 100644 contrib/nosefart/log.h create mode 100644 contrib/nosefart/memguard.c create mode 100644 contrib/nosefart/memguard.h create mode 100644 contrib/nosefart/mmc5_snd.c create mode 100644 contrib/nosefart/mmc5_snd.h create mode 100644 contrib/nosefart/nes6502.c create mode 100644 contrib/nosefart/nes6502.h create mode 100644 contrib/nosefart/nes_apu.c create mode 100644 contrib/nosefart/nes_apu.h create mode 100644 contrib/nosefart/nsf.c create mode 100644 contrib/nosefart/nsf.h create mode 100644 contrib/nosefart/osd.h create mode 100644 contrib/nosefart/types.h create mode 100644 contrib/nosefart/version.h create mode 100644 contrib/nosefart/vrc7_snd.c create mode 100644 contrib/nosefart/vrc7_snd.h create mode 100644 contrib/nosefart/vrcvisnd.c create mode 100644 contrib/nosefart/vrcvisnd.h delete mode 100644 src/libxineadec/nosefart/Makefile.am delete mode 100644 src/libxineadec/nosefart/diff_to_nosefart_cvs.patch delete mode 100644 src/libxineadec/nosefart/dis6502.c delete mode 100644 src/libxineadec/nosefart/dis6502.h delete mode 100644 src/libxineadec/nosefart/fds_snd.c delete mode 100644 src/libxineadec/nosefart/fds_snd.h delete mode 100644 src/libxineadec/nosefart/fmopl.c delete mode 100644 src/libxineadec/nosefart/fmopl.h delete mode 100644 src/libxineadec/nosefart/log.c delete mode 100644 src/libxineadec/nosefart/log.h delete mode 100644 src/libxineadec/nosefart/memguard.c delete mode 100644 src/libxineadec/nosefart/memguard.h delete mode 100644 src/libxineadec/nosefart/mmc5_snd.c delete mode 100644 src/libxineadec/nosefart/mmc5_snd.h delete mode 100644 src/libxineadec/nosefart/nes6502.c delete mode 100644 src/libxineadec/nosefart/nes6502.h delete mode 100644 src/libxineadec/nosefart/nes_apu.c delete mode 100644 src/libxineadec/nosefart/nes_apu.h delete mode 100644 src/libxineadec/nosefart/nsf.c delete mode 100644 src/libxineadec/nosefart/nsf.h delete mode 100644 src/libxineadec/nosefart/osd.h delete mode 100644 src/libxineadec/nosefart/types.h delete mode 100644 src/libxineadec/nosefart/version.h delete mode 100644 src/libxineadec/nosefart/vrc7_snd.c delete mode 100644 src/libxineadec/nosefart/vrc7_snd.h delete mode 100644 src/libxineadec/nosefart/vrcvisnd.c delete mode 100644 src/libxineadec/nosefart/vrcvisnd.h diff --git a/configure.ac b/configure.ac index 4b012a868..7da2f8a21 100644 --- a/configure.ac +++ b/configure.ac @@ -1117,6 +1117,7 @@ contrib/Makefile contrib/libdca/Makefile contrib/libmpcdec/Makefile contrib/libxdg-basedir/Makefile +contrib/nosefart/Makefile include/Makefile include/xine.h lib/Makefile @@ -1168,7 +1169,6 @@ src/libw32dll/qtx/qtxsdk/Makefile src/libxinevdec/Makefile src/libxineadec/Makefile src/libxineadec/gsm610/Makefile -src/libxineadec/nosefart/Makefile src/libreal/Makefile src/post/Makefile src/post/planar/Makefile diff --git a/contrib/Makefile.am b/contrib/Makefile.am index 6e019ba62..bb86eb480 100644 --- a/contrib/Makefile.am +++ b/contrib/Makefile.am @@ -1,4 +1,4 @@ -SUBDIRS = libmpcdec libxdg-basedir libdca +SUBDIRS = libmpcdec libxdg-basedir libdca nosefart srcdir = $(shell cd @srcdir@; pwd) diff --git a/contrib/nosefart/Makefile.am b/contrib/nosefart/Makefile.am new file mode 100644 index 000000000..83c04a28d --- /dev/null +++ b/contrib/nosefart/Makefile.am @@ -0,0 +1,37 @@ +include $(top_srcdir)/misc/Makefile.common + +AM_CFLAGS = $(DEFAULT_OCFLAGS) $(VISIBILITY_FLAG) + +noinst_LTLIBRARIES = libnosefart.la + +libnosefart_la_SOURCES = \ + fds_snd.c \ + log.c \ + mmc5_snd.c \ + nes_apu.c \ + vrc7_snd.c \ + dis6502.c \ + fmopl.c \ + memguard.c \ + nes6502.c \ + nsf.c \ + vrcvisnd.c + +libnosefart_la_CFLAGS = $(AM_CFLAGS) -fno-strict-aliasing +libnosefart_la_CPPFLAGS = -DNSF_PLAYER + +noinst_HEADERS = \ + dis6502.h \ + fmopl.h \ + memguard.h \ + nes6502.h \ + nsf.h \ + types.h \ + vrc7_snd.h \ + fds_snd.h \ + log.h \ + mmc5_snd.h \ + nes_apu.h \ + osd.h \ + version.h \ + vrcvisnd.h diff --git a/contrib/nosefart/diff_to_nosefart_cvs.patch b/contrib/nosefart/diff_to_nosefart_cvs.patch new file mode 100644 index 000000000..2b6202fb8 --- /dev/null +++ b/contrib/nosefart/diff_to_nosefart_cvs.patch @@ -0,0 +1,117 @@ +diff -u -p -r1.1.1.1 types.h +--- types.h 26 Jul 2004 15:27:59 -0000 1.1.1.1 ++++ types.h 26 Aug 2004 16:00:07 -0000 +@@ -23,8 +23,8 @@ + ** $Id: diff_to_nosefart_cvs.patch,v 1.2 2005/05/07 09:11:39 valtri Exp $ + */ + +-#ifndef _TYPES_H_ +-#define _TYPES_H_ ++#ifndef _NOSEFART_TYPES_H_ ++#define _NOSEFART_TYPES_H_ + + #ifdef HAVE_CONFIG_H + #include "config.h" +@@ -88,7 +88,7 @@ typedef uint8 boolean; + #define ASSERT_MSG(msg) + #endif + +-#endif /* _TYPES_H_ */ ++#endif /* _NOSEFART_TYPES_H_ */ + + /* + ** $Log: diff_to_nosefart_cvs.patch,v $ + ** Revision 1.2 2005/05/07 09:11:39 valtri + ** *BUGFIX* + ** gcc4 patches from Dams Nadé (livna.org) and Keenan Pepper. + ** + ** Revision 1.1 2004/08/27 19:33:37 valtri + ** MINGW32 port. Engine library and most of plugins compiles now. + ** + ** List of some changes: + ** - replaced some _MSC_VER by more common WIN32 + ** - define INTLDIR, remove -static flag for included intl + ** - shared more common CFLAGS with DEBUG_CFLAGS + ** - use WIN32_CFLAGS for all building + ** - separate some flags into THREAD_CFLAGS_CONFIG, + ** THREAD_CFLAGS_CONFIG and ZLIB_LIB_CONFIG for public xine-config, + ** automatically use internal libs if necessary + ** - don't warn about missing X for mingw and cygwin + ** - libw32dll disabled for WIN32 (making native loader would be + ** interesting, or porting wine code to Windows? :->) + ** - DVB and RTP disabled for WIN32, not ported yet + ** - fix build and fix a warning in cdda + ** - fix build for nosefart and libfaad + ** - implement configure option --disable-freetype + ** - sync libxine.pc and xine-config.in + ** - add -liberty to goom under WIN32 + ** - move original build files from included phread and zlib into archives + ** and replace them by autotools + ** +Index: nes_apu.c +=================================================================== +RCS file: /home/valtri/CVS/xine-lib/src/libxineadec/nosefart/nes_apu.c,v +retrieving revision 1.1.1.1 +diff -u -p -r1.1.1.1 nes_apu.c +--- nes_apu.c 12 Dec 2004 13:57:16 -0000 1.1.1.1 ++++ nes_apu.c 7 May 2005 08:23:36 -0000 +@@ -1011,10 +1011,13 @@ void apu_process(void *buffer, int num_s + accum = -0x8000; + + /* signed 16-bit output, unsigned 8-bit */ +- if (16 == apu->sample_bits) +- *((int16 *) buffer)++ = (int16) accum; +- else +- *((uint8 *) buffer)++ = (accum >> 8) ^ 0x80; ++ if (16 == apu->sample_bits) { ++ *((int16 *) buffer) = (int16) accum; ++ buffer = (int16 *) buffer + 1; ++ } else { ++ *((uint8 *) buffer) = (accum >> 8) ^ 0x80; ++ buffer = (int8 *) buffer + 1; ++ } + } + + /* resync cycle counter */ +--- a/src/libxineadec/nosefart/nsf.h Tue Apr 10 13:42:00 2007 +0200 ++++ b/src/libxineadec/nosefart/nsf.h Tue Apr 10 13:48:50 2007 +0200 +@@ -29,6 +29,8 @@ + #include "osd.h" + #include "nes6502.h" + #include "nes_apu.h" ++ ++#include "config.h" + + #define NSF_MAGIC "NESM\x1A" + +@@ -96,7 +98,7 @@ typedef struct nsf_s + + /* our main processing routine, calls all external mixing routines */ + void (*process)(void *buffer, int num_samples); +-} __PACKED__ nsf_t; ++} XINE_PACKED nsf_t; + + /* Function prototypes */ + extern void nsf_init(void); +--- a/src/libxineadec/nosefart/osd.h Tue Apr 10 13:42:00 2007 +0200 ++++ b/src/libxineadec/nosefart/osd.h Tue Apr 10 13:19:34 2007 +0200 +@@ -26,19 +26,15 @@ + #ifndef _OSD_H_ + #define _OSD_H_ + +- + #if defined(__GNUC__) || defined(__ICC) +-#define __PACKED__ __attribute__ ((packed)) + #define PATH_SEP '/' + #ifdef __DJGPP__ + #include + #include "dos_ints.h" + #endif + #elif defined(WIN32) +-#define __PACKED__ + #define PATH_SEP '\\' + #else /* crapintosh? */ +-#define __PACKED__ + #define PATH_SEP ':' + #endif + diff --git a/contrib/nosefart/dis6502.c b/contrib/nosefart/dis6502.c new file mode 100644 index 000000000..ff552d219 --- /dev/null +++ b/contrib/nosefart/dis6502.c @@ -0,0 +1,474 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** dis6502.c +** +** 6502 disassembler based on code from John Saeger +** $Id: dis6502.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#include "types.h" +#include "log.h" +#include "nes6502.h" +#include "dis6502.h" + +#ifdef NES6502_DEBUG + +/* addressing modes */ +enum { _imp, _acc, _rel, _imm, _abs, _abs_x, _abs_y, _zero, _zero_x, _zero_y, _ind, _ind_x, _ind_y }; + +/* keep a filthy local copy of PC to +** reduce the amount of parameter passing +*/ +static uint32 pc_reg; + + +static uint8 dis_op8(void) +{ + return (nes6502_getbyte(pc_reg + 1)); +} + +static uint16 dis_op16(void) +{ + return (nes6502_getbyte(pc_reg + 1) + (nes6502_getbyte(pc_reg + 2) << 8)); +} + +static void dis_show_ind(void) +{ + log_printf("(%04X) ", dis_op16()); +} + +static void dis_show_ind_x(void) +{ + log_printf("(%02X,x) ", dis_op8()); +} + +static void dis_show_ind_y(void) +{ + log_printf("(%02X),y ", dis_op8()); +} + +static void dis_show_zero_x(void) +{ + log_printf(" %02X,x ", dis_op8()); +} + +static void dis_show_zero_y(void) +{ + log_printf(" %02X,y ", dis_op8()); +} + +static void dis_show_abs_y(void) +{ + log_printf(" %04X,y ", dis_op16()); +} + +static void dis_show_abs_x(void) +{ + log_printf(" %04X,x ", dis_op16()); +} + +static void dis_show_zero(void) +{ + log_printf(" %02X ", dis_op8()); +} + +static void dis_show_abs(void) +{ + log_printf(" %04X ", dis_op16()); +} + +static void dis_show_immediate(void) +{ + log_printf("#%02X ", dis_op8()); +} + +static void dis_show_acc(void) +{ + log_printf(" a "); +} + +static void dis_show_relative(void) +{ + int target; + + target = (int8) dis_op8(); + target += (pc_reg + 2); + log_printf(" %04X ", target); +} + +static void dis_show_code(int optype) +{ + log_printf("%02X ", nes6502_getbyte(pc_reg)); + + switch (optype) + { + case _imp: + case _acc: + log_printf(" "); + break; + + case _rel: + case _imm: + case _zero: + case _zero_x: + log_printf("%02X ", nes6502_getbyte(pc_reg + 1)); + break; + + case _abs: + case _abs_x: + case _abs_y: + case _ind: + case _ind_x: + case _ind_y: + log_printf("%02X %02X ", nes6502_getbyte(pc_reg + 1), nes6502_getbyte(pc_reg + 2)); + break; + } +} + +static void dis_show_op(char *opstr, int optype) +{ + dis_show_code(optype); + log_printf("%s ", opstr); + + switch(optype) + { + case _imp: log_printf(" "); break; + case _acc: dis_show_acc(); break; + case _rel: dis_show_relative(); break; + case _imm: dis_show_immediate(); break; + case _abs: dis_show_abs(); break; + case _abs_x: dis_show_abs_x(); break; + case _abs_y: dis_show_abs_y(); break; + case _zero: dis_show_zero(); break; + case _zero_x: dis_show_zero_x(); break; + case _ind: dis_show_ind(); break; + case _ind_x: dis_show_ind_x(); break; + case _ind_y: dis_show_ind_y(); break; + } +} + +void nes6502_disasm(uint32 PC, uint8 P, uint8 A, uint8 X, uint8 Y, uint8 S) +{ + pc_reg = PC; + + log_printf("%04X: ", pc_reg); + + switch(nes6502_getbyte(pc_reg)) + { + case 0x00: dis_show_op("brk",_imp); break; + case 0x01: dis_show_op("ora",_ind_x); break; + case 0x02: dis_show_op("jam",_imp); break; + case 0x03: dis_show_op("slo",_ind_x); break; + case 0x04: dis_show_op("nop",_zero); break; + case 0x05: dis_show_op("ora",_zero); break; + case 0x06: dis_show_op("asl",_zero); break; + case 0x07: dis_show_op("slo",_zero); break; + case 0x08: dis_show_op("php",_imp); break; + case 0x09: dis_show_op("ora",_imm); break; + case 0x0a: dis_show_op("asl",_acc); break; + case 0x0b: dis_show_op("anc",_imm); break; + case 0x0c: dis_show_op("nop",_abs); break; + case 0x0d: dis_show_op("ora",_abs); break; + case 0x0e: dis_show_op("asl",_abs); break; + case 0x0f: dis_show_op("slo",_abs); break; + + case 0x10: dis_show_op("bpl",_rel); break; + case 0x11: dis_show_op("ora",_ind_y); break; + case 0x12: dis_show_op("jam",_imp); break; + case 0x13: dis_show_op("slo",_ind_y); break; + case 0x14: dis_show_op("nop",_zero_x); break; + case 0x15: dis_show_op("ora",_zero_x); break; + case 0x16: dis_show_op("asl",_zero_x); break; + case 0x17: dis_show_op("slo",_zero_x); break; + case 0x18: dis_show_op("clc",_imp); break; + case 0x19: dis_show_op("ora",_abs_y); break; + case 0x1a: dis_show_op("nop",_imp); break; + case 0x1b: dis_show_op("slo",_abs_y); break; + case 0x1c: dis_show_op("nop",_abs_x); break; + case 0x1d: dis_show_op("ora",_abs_x); break; + case 0x1e: dis_show_op("asl",_abs_x); break; + case 0x1f: dis_show_op("slo",_abs_x); break; + + case 0x20: dis_show_op("jsr",_abs); break; + case 0x21: dis_show_op("and",_ind_x); break; + case 0x22: dis_show_op("jam",_imp); break; + case 0x23: dis_show_op("rla",_ind_x); break; + case 0x24: dis_show_op("bit",_zero); break; + case 0x25: dis_show_op("and",_zero); break; + case 0x26: dis_show_op("rol",_zero); break; + case 0x27: dis_show_op("rla",_zero); break; + case 0x28: dis_show_op("plp",_imp); break; + case 0x29: dis_show_op("and",_imm); break; + case 0x2a: dis_show_op("rol",_acc); break; + case 0x2b: dis_show_op("anc",_imm); break; + case 0x2c: dis_show_op("bit",_abs); break; + case 0x2d: dis_show_op("and",_abs); break; + case 0x2e: dis_show_op("rol",_abs); break; + case 0x2f: dis_show_op("rla",_abs); break; + + case 0x30: dis_show_op("bmi",_rel); break; + case 0x31: dis_show_op("and",_ind_y); break; + case 0x32: dis_show_op("jam",_imp); break; + case 0x33: dis_show_op("rla",_ind_y); break; +/* case 0x34: dis_show_op("nop",_zero); break;*/ + case 0x34: dis_show_op("nop",_imp); break; + case 0x35: dis_show_op("and",_zero_x); break; + case 0x36: dis_show_op("rol",_zero_x); break; + case 0x37: dis_show_op("rla",_zero_x); break; + case 0x38: dis_show_op("sec",_imp); break; + case 0x39: dis_show_op("and",_abs_y); break; + case 0x3a: dis_show_op("nop",_imp); break; + case 0x3b: dis_show_op("rla",_abs_y); break; +/* case 0x3c: dis_show_op("nop",_imp); break;*/ + case 0x3c: dis_show_op("nop",_abs_x); break; + case 0x3d: dis_show_op("and",_abs_x); break; + case 0x3e: dis_show_op("rol",_abs_x); break; + case 0x3f: dis_show_op("rla",_abs_x); break; + + case 0x40: dis_show_op("rti",_imp); break; + case 0x41: dis_show_op("eor",_ind_x); break; + case 0x42: dis_show_op("jam",_imp); break; + case 0x43: dis_show_op("sre",_ind_x); break; + case 0x44: dis_show_op("nop",_zero); break; + case 0x45: dis_show_op("eor",_zero); break; + case 0x46: dis_show_op("lsr",_zero); break; + case 0x47: dis_show_op("sre",_zero); break; + case 0x48: dis_show_op("pha",_imp); break; + case 0x49: dis_show_op("eor",_imm); break; + case 0x4a: dis_show_op("lsr",_acc); break; + case 0x4b: dis_show_op("asr",_imm); break; + case 0x4c: dis_show_op("jmp",_abs); break; + case 0x4d: dis_show_op("eor",_abs); break; + case 0x4e: dis_show_op("lsr",_abs); break; + case 0x4f: dis_show_op("sre",_abs); break; + + case 0x50: dis_show_op("bvc",_rel); break; + case 0x51: dis_show_op("eor",_ind_y); break; + case 0x52: dis_show_op("jam",_imp); break; + case 0x53: dis_show_op("sre",_ind_y); break; + case 0x54: dis_show_op("nop",_zero_x); break; + case 0x55: dis_show_op("eor",_zero_x); break; + case 0x56: dis_show_op("lsr",_zero_x); break; + case 0x57: dis_show_op("sre",_zero_x); break; + case 0x58: dis_show_op("cli",_imp); break; + case 0x59: dis_show_op("eor",_abs_y); break; + case 0x5a: dis_show_op("nop",_imp); break; + case 0x5b: dis_show_op("sre",_abs_y); break; + case 0x5c: dis_show_op("nop",_abs_x); break; + case 0x5d: dis_show_op("eor",_abs_x); break; + case 0x5e: dis_show_op("lsr",_abs_x); break; + case 0x5f: dis_show_op("sre",_abs_x); break; + + case 0x60: dis_show_op("rts",_imp); break; + case 0x61: dis_show_op("adc",_ind_x); break; + case 0x62: dis_show_op("jam",_imp); break; + case 0x63: dis_show_op("rra",_ind_x); break; + case 0x64: dis_show_op("nop",_zero); break; + case 0x65: dis_show_op("adc",_zero); break; + case 0x66: dis_show_op("ror",_zero); break; + case 0x67: dis_show_op("rra",_zero); break; + case 0x68: dis_show_op("pla",_imp); break; + case 0x69: dis_show_op("adc",_imm); break; + case 0x6a: dis_show_op("ror",_acc); break; + case 0x6b: dis_show_op("arr",_imm); break; + case 0x6c: dis_show_op("jmp",_ind); break; + case 0x6d: dis_show_op("adc",_abs); break; + case 0x6e: dis_show_op("ror",_abs); break; + case 0x6f: dis_show_op("rra",_abs); break; + + case 0x70: dis_show_op("bvs",_rel); break; + case 0x71: dis_show_op("adc",_ind_y); break; + case 0x72: dis_show_op("jam",_imp); break; + case 0x73: dis_show_op("rra",_ind_y); break; + case 0x74: dis_show_op("nop",_zero_x); break; + case 0x75: dis_show_op("adc",_zero_x); break; + case 0x76: dis_show_op("ror",_zero_x); break; + case 0x77: dis_show_op("rra",_zero_x); break; + case 0x78: dis_show_op("sei",_imp); break; + case 0x79: dis_show_op("adc",_abs_y); break; + case 0x7a: dis_show_op("nop",_imp); break; + case 0x7b: dis_show_op("rra",_abs_y); break; + case 0x7c: dis_show_op("nop",_abs_x); break; + case 0x7d: dis_show_op("adc",_abs_x); break; + case 0x7e: dis_show_op("ror",_abs_x); break; + case 0x7f: dis_show_op("rra",_abs_x); break; + + case 0x80: dis_show_op("nop",_imm); break; + case 0x81: dis_show_op("sta",_ind_x); break; + case 0x82: dis_show_op("nop",_imm); break; + case 0x83: dis_show_op("sax",_ind_x); break; + case 0x84: dis_show_op("sty",_zero); break; + case 0x85: dis_show_op("sta",_zero); break; + case 0x86: dis_show_op("stx",_zero); break; + case 0x87: dis_show_op("sax",_zero); break; + case 0x88: dis_show_op("dey",_imp); break; + case 0x89: dis_show_op("nop",_imm); break; + case 0x8a: dis_show_op("txa",_imp); break; + case 0x8b: dis_show_op("ane",_imm); break; + case 0x8c: dis_show_op("sty",_abs); break; + case 0x8d: dis_show_op("sta",_abs); break; + case 0x8e: dis_show_op("stx",_abs); break; + case 0x8f: dis_show_op("sax",_abs); break; + + case 0x90: dis_show_op("bcc",_rel); break; + case 0x91: dis_show_op("sta",_ind_y); break; + case 0x92: dis_show_op("jam",_imp); break; + case 0x93: dis_show_op("sha",_ind_y); break; + case 0x94: dis_show_op("sty",_zero_x); break; + case 0x95: dis_show_op("sta",_zero_x); break; + case 0x96: dis_show_op("stx",_zero_y); break; + case 0x97: dis_show_op("sax",_zero_y); break; + case 0x98: dis_show_op("tya",_imp); break; + case 0x99: dis_show_op("sta",_abs_y); break; + case 0x9a: dis_show_op("txs",_imp); break; + case 0x9b: dis_show_op("shs",_abs_y); break; + case 0x9c: dis_show_op("shy",_abs_x); break; + case 0x9d: dis_show_op("sta",_abs_x); break; + case 0x9e: dis_show_op("shx",_abs_y); break; + case 0x9f: dis_show_op("sha",_abs_y); break; + + case 0xa0: dis_show_op("ldy",_imm); break; + case 0xa1: dis_show_op("lda",_ind_x); break; + case 0xa2: dis_show_op("ldx",_imm); break; + case 0xa3: dis_show_op("lax",_ind_x); break; + case 0xa4: dis_show_op("ldy",_zero); break; + case 0xa5: dis_show_op("lda",_zero); break; + case 0xa6: dis_show_op("ldx",_zero); break; + case 0xa7: dis_show_op("lax",_zero); break; + case 0xa8: dis_show_op("tay",_imp); break; + case 0xa9: dis_show_op("lda",_imm); break; + case 0xaa: dis_show_op("tax",_imp); break; + case 0xab: dis_show_op("lxa",_imm); break; + case 0xac: dis_show_op("ldy",_abs); break; + case 0xad: dis_show_op("lda",_abs); break; + case 0xae: dis_show_op("ldx",_abs); break; + case 0xaf: dis_show_op("lax",_abs); break; + + case 0xb0: dis_show_op("bcs",_rel); break; + case 0xb1: dis_show_op("lda",_ind_y); break; + case 0xb2: dis_show_op("jam",_imp); break; + case 0xb3: dis_show_op("lax",_ind_y); break; + case 0xb4: dis_show_op("ldy",_zero_x); break; + case 0xb5: dis_show_op("lda",_zero_x); break; + case 0xb6: dis_show_op("ldx",_zero_y); break; + case 0xb7: dis_show_op("lax",_zero_y); break; + case 0xb8: dis_show_op("clv",_imp); break; + case 0xb9: dis_show_op("lda",_abs_y); break; + case 0xba: dis_show_op("tsx",_imp); break; + case 0xbb: dis_show_op("las",_abs_y); break; + case 0xbc: dis_show_op("ldy",_abs_x); break; + case 0xbd: dis_show_op("lda",_abs_x); break; + case 0xbe: dis_show_op("ldx",_abs_y); break; + case 0xbf: dis_show_op("lax",_abs_y); break; + + case 0xc0: dis_show_op("cpy",_imm); break; + case 0xc1: dis_show_op("cmp",_ind_x); break; + case 0xc2: dis_show_op("nop",_imm); break; + case 0xc3: dis_show_op("dcp",_ind_x); break; + case 0xc4: dis_show_op("cpy",_zero); break; + case 0xc5: dis_show_op("cmp",_zero); break; + case 0xc6: dis_show_op("dec",_zero); break; + case 0xc7: dis_show_op("dcp",_zero); break; + case 0xc8: dis_show_op("iny",_imp); break; + case 0xc9: dis_show_op("cmp",_imm); break; + case 0xca: dis_show_op("dex",_imp); break; + case 0xcb: dis_show_op("sbx",_imm); break; + case 0xcc: dis_show_op("cpy",_abs); break; + case 0xcd: dis_show_op("cmp",_abs); break; + case 0xce: dis_show_op("dec",_abs); break; + case 0xcf: dis_show_op("dcp",_abs); break; + + case 0xd0: dis_show_op("bne",_rel); break; + case 0xd1: dis_show_op("cmp",_ind_y); break; + case 0xd2: dis_show_op("jam",_imp); break; + case 0xd3: dis_show_op("dcp",_ind_y); break; + case 0xd4: dis_show_op("nop",_zero_x); break; + case 0xd5: dis_show_op("cmp",_zero_x); break; + case 0xd6: dis_show_op("dec",_zero_x); break; + case 0xd7: dis_show_op("dcp",_zero_x); break; + case 0xd8: dis_show_op("cld",_imp); break; + case 0xd9: dis_show_op("cmp",_abs_y); break; + case 0xda: dis_show_op("nop",_imp); break; + case 0xdb: dis_show_op("dcp",_abs_y); break; + case 0xdc: dis_show_op("nop",_abs_x); break; + case 0xdd: dis_show_op("cmp",_abs_x); break; + case 0xde: dis_show_op("dec",_abs_x); break; + case 0xdf: dis_show_op("dcp",_abs_x); break; + + case 0xe0: dis_show_op("cpx",_imm); break; + case 0xe1: dis_show_op("sbc",_ind_x); break; + case 0xe2: dis_show_op("nop",_imm); break; + case 0xe3: dis_show_op("isb",_ind_x); break; + case 0xe4: dis_show_op("cpx",_zero); break; + case 0xe5: dis_show_op("sbc",_zero); break; + case 0xe6: dis_show_op("inc",_zero); break; + case 0xe7: dis_show_op("isb",_zero); break; + case 0xe8: dis_show_op("inx",_imp); break; + case 0xe9: dis_show_op("sbc",_imm); break; + case 0xea: dis_show_op("nop",_imp); break; + case 0xeb: dis_show_op("sbc",_imm); break; + case 0xec: dis_show_op("cpx",_abs); break; + case 0xed: dis_show_op("sbc",_abs); break; + case 0xee: dis_show_op("inc",_abs); break; + case 0xef: dis_show_op("isb",_abs); break; + + case 0xf0: dis_show_op("beq",_rel); break; + case 0xf1: dis_show_op("sbc",_ind_y); break; + case 0xf2: dis_show_op("jam",_imp); break; + case 0xf3: dis_show_op("isb",_ind_y); break; + case 0xf4: dis_show_op("nop",_zero_x); break; + case 0xf5: dis_show_op("sbc",_zero_x); break; + case 0xf6: dis_show_op("inc",_zero_x); break; + case 0xf7: dis_show_op("isb",_zero_x); break; + case 0xf8: dis_show_op("sed",_imp); break; + case 0xf9: dis_show_op("sbc",_abs_y); break; + case 0xfa: dis_show_op("nop",_imp); break; + case 0xfb: dis_show_op("isb",_abs_y); break; + case 0xfc: dis_show_op("nop",_abs_x); break; + case 0xfd: dis_show_op("sbc",_abs_x); break; + case 0xfe: dis_show_op("inc",_abs_x); break; + case 0xff: dis_show_op("isb",_abs_x); break; + } + + log_printf("%c%c1%c%c%c%c%c %02X %02X %02X %02X\n", + (P & N_FLAG) ? 'N' : 'n', + (P & V_FLAG) ? 'V' : 'v', + (P & V_FLAG) ? 'B' : 'b', + (P & V_FLAG) ? 'D' : 'd', + (P & V_FLAG) ? 'I' : 'i', + (P & V_FLAG) ? 'Z' : 'z', + (P & V_FLAG) ? 'C' : 'c', + A, X, Y, S); +} + +#endif /* NES6502_DEBUG */ + +/* +** $Log: dis6502.c,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.4 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/dis6502.h b/contrib/nosefart/dis6502.h new file mode 100644 index 000000000..a02fd73ae --- /dev/null +++ b/contrib/nosefart/dis6502.h @@ -0,0 +1,52 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** dis6502.h +** +** 6502 disassembler header +** $Id: dis6502.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#ifndef _DIS6502_H_ +#define _DIS6502_H_ + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +extern void nes6502_disasm(uint32 PC, uint8 P, uint8 A, uint8 X, uint8 Y, uint8 S); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* !_DIS6502_H_ */ + +/* +** $Log: dis6502.h,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.4 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/fds_snd.c b/contrib/nosefart/fds_snd.c new file mode 100644 index 000000000..fe2e4d624 --- /dev/null +++ b/contrib/nosefart/fds_snd.c @@ -0,0 +1,94 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** fds_snd.c +** +** Famicom Disk System sound emulation +** $Id: fds_snd.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#include "types.h" +#include "nes_apu.h" +#include "fds_snd.h" + +static int32 fds_incsize = 0; + +/* mix sound channels together */ +static int32 fds_process(void) +{ + int32 output; + output = 0; + + return output; +} + +/* write to registers */ +static void fds_write(uint32 address, uint8 value) +{ +} + +/* reset state of vrcvi sound channels */ +static void fds_reset(void) +{ + fds_incsize = apu_getcyclerate(); +} + +static void fds_init(void) +{ +} + +/* TODO: bleh */ +static void fds_shutdown(void) +{ +} + +static apu_memwrite fds_memwrite[] = +{ + { 0x4040, 0x4092, fds_write }, + { -1, -1, NULL } +}; + +apuext_t fds_ext = +{ + fds_init, + fds_shutdown, + fds_reset, + fds_process, + NULL, /* no reads */ + fds_memwrite +}; + +/* +** $Log: fds_snd.c,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.3 2000/07/03 02:18:53 matt +** much better external module exporting +** +** Revision 1.2 2000/06/20 04:06:16 matt +** migrated external sound definition to apu module +** +** Revision 1.1 2000/06/20 00:06:47 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/fds_snd.h b/contrib/nosefart/fds_snd.h new file mode 100644 index 000000000..9d20b5b2a --- /dev/null +++ b/contrib/nosefart/fds_snd.h @@ -0,0 +1,50 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** fds_snd.h +** +** Famicom Disk System sound emulation +** $Id: fds_snd.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#ifndef _FDS_SND_H_ +#define _FDS_SND_H_ + +#include "nes_apu.h" + +extern apuext_t fds_ext; + + +#endif /* _VRCVISND_H_ */ + +/* +** $Log: fds_snd.h,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.2 2000/06/20 04:06:16 matt +** migrated external sound definition to apu module +** +** Revision 1.1 2000/06/20 00:06:47 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/fmopl.c b/contrib/nosefart/fmopl.c new file mode 100644 index 000000000..29c884096 --- /dev/null +++ b/contrib/nosefart/fmopl.c @@ -0,0 +1,1323 @@ +/* +** +** File: fmopl.c -- software implementation of FM sound generator +** +** Copyright (C) 1999 Tatsuyuki Satoh , MultiArcadeMachineEmurator development +** +** Version 0.36f +** +*/ + +/* + preliminary : + Problem : + note: +*/ + +#include +#include +#include +#include +#include +//#include "driver.h" /* use M.A.M.E. */ +#include "fmopl.h" + +/* MPC - hacks */ +#include "types.h" +#include "log.h" + +#ifndef PI +#define PI 3.14159265358979323846 +#endif + +/* -------------------- preliminary define section --------------------- */ +/* attack/decay rate time rate */ +#define OPL_ARRATE 141280 /* RATE 4 = 2826.24ms @ 3.6MHz */ +#define OPL_DRRATE 1956000 /* RATE 4 = 39280.64ms @ 3.6MHz */ + +#define DELTAT_MIXING_LEVEL (1) /* DELTA-T ADPCM MIXING LEVEL */ + +#define FREQ_BITS 24 /* frequency turn */ + +/* counter bits = 20 , octerve 7 */ +#define FREQ_RATE (1<<(FREQ_BITS-20)) +#define TL_BITS (FREQ_BITS+2) + +/* final output shift , limit minimum and maximum */ +#define OPL_OUTSB (TL_BITS+3-16) /* OPL output final shift 16bit */ +#define OPL_MAXOUT (0x7fff<=LOG_LEVEL ) logerror x +#define LOG(n,x) if( (n)>=LOG_LEVEL ) log_printf x + +/* --------------------- subroutines --------------------- */ + +INLINE int Limit( int val, int max, int min ) { + if ( val > max ) + val = max; + else if ( val < min ) + val = min; + + return val; +} + +/* status set and IRQ handling */ +INLINE void OPL_STATUS_SET(FM_OPL *OPL,int flag) +{ + /* set status flag */ + OPL->status |= flag; + if(!(OPL->status & 0x80)) + { + if(OPL->status & OPL->statusmask) + { /* IRQ on */ + OPL->status |= 0x80; + /* callback user interrupt handler (IRQ is OFF to ON) */ + if(OPL->IRQHandler) (OPL->IRQHandler)(OPL->IRQParam,1); + } + } +} + +/* status reset and IRQ handling */ +INLINE void OPL_STATUS_RESET(FM_OPL *OPL,int flag) +{ + /* reset status flag */ + OPL->status &=~flag; + if((OPL->status & 0x80)) + { + if (!(OPL->status & OPL->statusmask) ) + { + OPL->status &= 0x7f; + /* callback user interrupt handler (IRQ is ON to OFF) */ + if(OPL->IRQHandler) (OPL->IRQHandler)(OPL->IRQParam,0); + } + } +} + +/* IRQ mask set */ +INLINE void OPL_STATUSMASK_SET(FM_OPL *OPL,int flag) +{ + OPL->statusmask = flag; + /* IRQ handling check */ + OPL_STATUS_SET(OPL,0); + OPL_STATUS_RESET(OPL,0); +} + +/* ----- key on ----- */ +INLINE void OPL_KEYON(OPL_SLOT *SLOT) +{ + /* sin wave restart */ + SLOT->Cnt = 0; + /* set attack */ + SLOT->evm = ENV_MOD_AR; + SLOT->evs = SLOT->evsa; + SLOT->evc = EG_AST; + SLOT->eve = EG_AED; +} +/* ----- key off ----- */ +INLINE void OPL_KEYOFF(OPL_SLOT *SLOT) +{ + if( SLOT->evm > ENV_MOD_RR) + { + /* set envelope counter from envleope output */ + SLOT->evm = ENV_MOD_RR; + if( !(SLOT->evc&EG_DST) ) + //SLOT->evc = (ENV_CURVE[SLOT->evc>>ENV_BITS]<evc = EG_DST; + SLOT->eve = EG_DED; + SLOT->evs = SLOT->evsr; + } +} + +/* ---------- calcrate Envelope Generator & Phase Generator ---------- */ +/* return : envelope output */ +INLINE UINT32 OPL_CALC_SLOT( OPL_SLOT *SLOT ) +{ + /* calcrate envelope generator */ + if( (SLOT->evc+=SLOT->evs) >= SLOT->eve ) + { + switch( SLOT->evm ){ + case ENV_MOD_AR: /* ATTACK -> DECAY1 */ + /* next DR */ + SLOT->evm = ENV_MOD_DR; + SLOT->evc = EG_DST; + SLOT->eve = SLOT->SL; + SLOT->evs = SLOT->evsd; + break; + case ENV_MOD_DR: /* DECAY -> SL or RR */ + SLOT->evc = SLOT->SL; + SLOT->eve = EG_DED; + if(SLOT->eg_typ) + { + SLOT->evs = 0; + } + else + { + SLOT->evm = ENV_MOD_RR; + SLOT->evs = SLOT->evsr; + } + break; + case ENV_MOD_RR: /* RR -> OFF */ + SLOT->evc = EG_OFF; + SLOT->eve = EG_OFF+1; + SLOT->evs = 0; + break; + } + } + /* calcrate envelope */ + return SLOT->TLL+ENV_CURVE[SLOT->evc>>ENV_BITS]+(SLOT->ams ? ams : 0); +} + +/* set algorythm connection */ +static void set_algorythm( OPL_CH *CH) +{ + INT32 *carrier = &outd[0]; + CH->connect1 = CH->CON ? carrier : &feedback2; + CH->connect2 = carrier; +} + +/* ---------- frequency counter for operater update ---------- */ +INLINE void CALC_FCSLOT(OPL_CH *CH,OPL_SLOT *SLOT) +{ + int ksr; + + /* frequency step counter */ + SLOT->Incr = CH->fc * SLOT->mul; + ksr = CH->kcode >> SLOT->KSR; + + if( SLOT->ksr != ksr ) + { + SLOT->ksr = ksr; + /* attack , decay rate recalcration */ + SLOT->evsa = SLOT->AR[ksr]; + SLOT->evsd = SLOT->DR[ksr]; + SLOT->evsr = SLOT->RR[ksr]; + } + SLOT->TLL = SLOT->TL + (CH->ksl_base>>SLOT->ksl); +} + +/* set multi,am,vib,EG-TYP,KSR,mul */ +INLINE void set_mul(FM_OPL *OPL,int slot,int v) +{ + OPL_CH *CH = &OPL->P_CH[slot/2]; + OPL_SLOT *SLOT = &CH->SLOT[slot&1]; + + SLOT->mul = MUL_TABLE[v&0x0f]; + SLOT->KSR = (v&0x10) ? 0 : 2; + SLOT->eg_typ = (v&0x20)>>5; + SLOT->vib = (v&0x40); + SLOT->ams = (v&0x80); + CALC_FCSLOT(CH,SLOT); +} + +/* set ksl & tl */ +INLINE void set_ksl_tl(FM_OPL *OPL,int slot,int v) +{ + OPL_CH *CH = &OPL->P_CH[slot/2]; + OPL_SLOT *SLOT = &CH->SLOT[slot&1]; + int ksl = v>>6; /* 0 / 1.5 / 3 / 6 db/OCT */ + + SLOT->ksl = ksl ? 3-ksl : 31; + SLOT->TL = (INT32) (((v&0x3f)*(0.75/EG_STEP))); /* 0.75db step */ + + if( !(OPL->mode&0x80) ) + { /* not CSM latch total level */ + SLOT->TLL = SLOT->TL + (CH->ksl_base>>SLOT->ksl); + } +} + +/* set attack rate & decay rate */ +INLINE void set_ar_dr(FM_OPL *OPL,int slot,int v) +{ + OPL_CH *CH = &OPL->P_CH[slot/2]; + OPL_SLOT *SLOT = &CH->SLOT[slot&1]; + int ar = v>>4; + int dr = v&0x0f; + + SLOT->AR = ar ? &OPL->AR_TABLE[ar<<2] : RATE_0; + SLOT->evsa = SLOT->AR[SLOT->ksr]; + if( SLOT->evm == ENV_MOD_AR ) SLOT->evs = SLOT->evsa; + + SLOT->DR = dr ? &OPL->DR_TABLE[dr<<2] : RATE_0; + SLOT->evsd = SLOT->DR[SLOT->ksr]; + if( SLOT->evm == ENV_MOD_DR ) SLOT->evs = SLOT->evsd; +} + +/* set sustain level & release rate */ +INLINE void set_sl_rr(FM_OPL *OPL,int slot,int v) +{ + OPL_CH *CH = &OPL->P_CH[slot/2]; + OPL_SLOT *SLOT = &CH->SLOT[slot&1]; + int sl = v>>4; + int rr = v & 0x0f; + + SLOT->SL = SL_TABLE[sl]; + if( SLOT->evm == ENV_MOD_DR ) SLOT->eve = SLOT->SL; + SLOT->RR = &OPL->DR_TABLE[rr<<2]; + SLOT->evsr = SLOT->RR[SLOT->ksr]; + if( SLOT->evm == ENV_MOD_RR ) SLOT->evs = SLOT->evsr; +} + +/* operator output calcrator */ +#define OP_OUT(slot,env,con) slot->wavetable[((slot->Cnt+con)/(0x1000000/SIN_ENT))&(SIN_ENT-1)][env] +/* ---------- calcrate one of channel ---------- */ +INLINE void OPL_CALC_CH( OPL_CH *CH ) +{ + UINT32 env_out; + OPL_SLOT *SLOT; + + feedback2 = 0; + /* SLOT 1 */ + SLOT = &CH->SLOT[SLOT1]; + env_out=OPL_CALC_SLOT(SLOT); + if( env_out < EG_ENT-1 ) + { + /* PG */ + if(SLOT->vib) SLOT->Cnt += (SLOT->Incr*vib/VIB_RATE); + else SLOT->Cnt += SLOT->Incr; + /* connectoion */ + if(CH->FB) + { + int feedback1 = (CH->op1_out[0]+CH->op1_out[1])>>CH->FB; + CH->op1_out[1] = CH->op1_out[0]; + *CH->connect1 += CH->op1_out[0] = OP_OUT(SLOT,env_out,feedback1); + } + else + { + *CH->connect1 += OP_OUT(SLOT,env_out,0); + } + }else + { + CH->op1_out[1] = CH->op1_out[0]; + CH->op1_out[0] = 0; + } + /* SLOT 2 */ + SLOT = &CH->SLOT[SLOT2]; + env_out=OPL_CALC_SLOT(SLOT); + if( env_out < EG_ENT-1 ) + { + /* PG */ + if(SLOT->vib) SLOT->Cnt += (SLOT->Incr*vib/VIB_RATE); + else SLOT->Cnt += SLOT->Incr; + /* connectoion */ + outd[0] += OP_OUT(SLOT,env_out, feedback2); + } +} + +/* ---------- calcrate rythm block ---------- */ +#define WHITE_NOISE_db 6.0 +INLINE void OPL_CALC_RH( OPL_CH *CH ) +{ + UINT32 env_tam,env_sd,env_top,env_hh; + int whitenoise = (rand()&1)*((int)(WHITE_NOISE_db/EG_STEP)); + INT32 tone8; + + OPL_SLOT *SLOT; + int env_out; + + /* BD : same as FM serial mode and output level is large */ + feedback2 = 0; + /* SLOT 1 */ + SLOT = &CH[6].SLOT[SLOT1]; + env_out=OPL_CALC_SLOT(SLOT); + if( env_out < EG_ENT-1 ) + { + /* PG */ + if(SLOT->vib) SLOT->Cnt += (SLOT->Incr*vib/VIB_RATE); + else SLOT->Cnt += SLOT->Incr; + /* connectoion */ + if(CH[6].FB) + { + int feedback1 = (CH[6].op1_out[0]+CH[6].op1_out[1])>>CH[6].FB; + CH[6].op1_out[1] = CH[6].op1_out[0]; + feedback2 = CH[6].op1_out[0] = OP_OUT(SLOT,env_out,feedback1); + } + else + { + feedback2 = OP_OUT(SLOT,env_out,0); + } + }else + { + feedback2 = 0; + CH[6].op1_out[1] = CH[6].op1_out[0]; + CH[6].op1_out[0] = 0; + } + /* SLOT 2 */ + SLOT = &CH[6].SLOT[SLOT2]; + env_out=OPL_CALC_SLOT(SLOT); + if( env_out < EG_ENT-1 ) + { + /* PG */ + if(SLOT->vib) SLOT->Cnt += (SLOT->Incr*vib/VIB_RATE); + else SLOT->Cnt += SLOT->Incr; + /* connectoion */ + outd[0] += OP_OUT(SLOT,env_out, feedback2)*2; + } + + // SD (17) = mul14[fnum7] + white noise + // TAM (15) = mul15[fnum8] + // TOP (18) = fnum6(mul18[fnum8]+whitenoise) + // HH (14) = fnum7(mul18[fnum8]+whitenoise) + white noise + env_sd =OPL_CALC_SLOT(SLOT7_2) + whitenoise; + env_tam=OPL_CALC_SLOT(SLOT8_1); + env_top=OPL_CALC_SLOT(SLOT8_2); + env_hh =OPL_CALC_SLOT(SLOT7_1) + whitenoise; + + /* PG */ + if(SLOT7_1->vib) SLOT7_1->Cnt += (2*SLOT7_1->Incr*vib/VIB_RATE); + else SLOT7_1->Cnt += 2*SLOT7_1->Incr; + if(SLOT7_2->vib) SLOT7_2->Cnt += ((CH[7].fc*8)*vib/VIB_RATE); + else SLOT7_2->Cnt += (CH[7].fc*8); + if(SLOT8_1->vib) SLOT8_1->Cnt += (SLOT8_1->Incr*vib/VIB_RATE); + else SLOT8_1->Cnt += SLOT8_1->Incr; + if(SLOT8_2->vib) SLOT8_2->Cnt += ((CH[8].fc*48)*vib/VIB_RATE); + else SLOT8_2->Cnt += (CH[8].fc*48); + + tone8 = OP_OUT(SLOT8_2,whitenoise,0 ); + + /* SD */ + if( env_sd < EG_ENT-1 ) + outd[0] += OP_OUT(SLOT7_1,env_sd, 0)*8; + /* TAM */ + if( env_tam < EG_ENT-1 ) + outd[0] += OP_OUT(SLOT8_1,env_tam, 0)*2; + /* TOP-CY */ + if( env_top < EG_ENT-1 ) + outd[0] += OP_OUT(SLOT7_2,env_top,tone8)*2; + /* HH */ + if( env_hh < EG_ENT-1 ) + outd[0] += OP_OUT(SLOT7_2,env_hh,tone8)*2; +} + +/* ----------- initialize time tabls ----------- */ +static void init_timetables( FM_OPL *OPL , int ARRATE , int DRRATE ) +{ + int i; + double rate; + + /* make attack rate & decay rate tables */ + for (i = 0;i < 4;i++) OPL->AR_TABLE[i] = OPL->DR_TABLE[i] = 0; + for (i = 4;i <= 60;i++){ + rate = OPL->freqbase; /* frequency rate */ + if( i < 60 ) rate *= 1.0+(i&3)*0.25; /* b0-1 : x1 , x1.25 , x1.5 , x1.75 */ + rate *= 1<<((i>>2)-1); /* b2-5 : shift bit */ + rate *= (double)(EG_ENT<AR_TABLE[i] = (INT32) (rate / ARRATE); + OPL->DR_TABLE[i] = (INT32) (rate / DRRATE); + } + for (i = 60;i < 76;i++) + { + OPL->AR_TABLE[i] = EG_AED-1; + OPL->DR_TABLE[i] = OPL->DR_TABLE[60]; + } +#if 0 + for (i = 0;i < 64 ;i++){ /* make for overflow area */ + LOG(LOG_WAR,("rate %2d , ar %f ms , dr %f ms \n",i, + ((double)(EG_ENT<AR_TABLE[i]) * (1000.0 / OPL->rate), + ((double)(EG_ENT<DR_TABLE[i]) * (1000.0 / OPL->rate) )); + } +#endif +} + +/* ---------- generic table initialize ---------- */ +static int OPLOpenTable( void ) +{ + int s,t; + double rate; + int i,j; + double pom; + + /* allocate dynamic tables */ + if( (TL_TABLE = malloc(TL_MAX*2*sizeof(INT32))) == NULL) + return 0; + if( (SIN_TABLE = malloc(SIN_ENT*4 *sizeof(INT32 *))) == NULL) + { + free(TL_TABLE); + return 0; + } + if( (AMS_TABLE = malloc(AMS_ENT*2 *sizeof(INT32))) == NULL) + { + free(TL_TABLE); + free(SIN_TABLE); + return 0; + } + if( (VIB_TABLE = malloc(VIB_ENT*2 *sizeof(INT32))) == NULL) + { + free(TL_TABLE); + free(SIN_TABLE); + free(AMS_TABLE); + return 0; + } + /* make total level table */ + for (t = 0;t < EG_ENT-1 ;t++){ + rate = ((1< voltage */ + TL_TABLE[ t] = (int)rate; + TL_TABLE[TL_MAX+t] = -TL_TABLE[t]; +/* LOG(LOG_INF,("TotalLevel(%3d) = %x\n",t,TL_TABLE[t]));*/ + } + /* fill volume off area */ + for ( t = EG_ENT-1; t < TL_MAX ;t++){ + TL_TABLE[t] = TL_TABLE[TL_MAX+t] = 0; + } + + /* make sinwave table (total level offet) */ + /* degree 0 = degree 180 = off */ + SIN_TABLE[0] = SIN_TABLE[SIN_ENT/2] = &TL_TABLE[EG_ENT-1]; + for (s = 1;s <= SIN_ENT/4;s++){ + pom = sin(2*PI*s/SIN_ENT); /* sin */ + pom = 20*log10(1/pom); /* decibel */ + j = (int) (pom / EG_STEP); /* TL_TABLE steps */ + + /* degree 0 - 90 , degree 180 - 90 : plus section */ + SIN_TABLE[ s] = SIN_TABLE[SIN_ENT/2-s] = &TL_TABLE[j]; + /* degree 180 - 270 , degree 360 - 270 : minus section */ + SIN_TABLE[SIN_ENT/2+s] = SIN_TABLE[SIN_ENT -s] = &TL_TABLE[TL_MAX+j]; +/* LOG(LOG_INF,("sin(%3d) = %f:%f db\n",s,pom,(double)j * EG_STEP));*/ + } + for (s = 0;s < SIN_ENT;s++) + { + SIN_TABLE[SIN_ENT*1+s] = s<(SIN_ENT/2) ? SIN_TABLE[s] : &TL_TABLE[EG_ENT]; + SIN_TABLE[SIN_ENT*2+s] = SIN_TABLE[s % (SIN_ENT/2)]; + SIN_TABLE[SIN_ENT*3+s] = (s/(SIN_ENT/4))&1 ? &TL_TABLE[EG_ENT] : SIN_TABLE[SIN_ENT*2+s]; + } + + /* envelope counter -> envelope output table */ + for (i=0; i= EG_ENT ) pom = EG_ENT-1; */ + ENV_CURVE[i] = (int)pom; + /* DECAY ,RELEASE curve */ + ENV_CURVE[(EG_DST>>ENV_BITS)+i]= i; + } + /* off */ + ENV_CURVE[EG_OFF>>ENV_BITS]= EG_ENT-1; + /* make LFO ams table */ + for (i=0; iSLOT[SLOT1]; + OPL_SLOT *slot2 = &CH->SLOT[SLOT2]; + /* all key off */ + OPL_KEYOFF(slot1); + OPL_KEYOFF(slot2); + /* total level latch */ + slot1->TLL = slot1->TL + (CH->ksl_base>>slot1->ksl); + slot1->TLL = slot1->TL + (CH->ksl_base>>slot1->ksl); + /* key on */ + CH->op1_out[0] = CH->op1_out[1] = 0; + OPL_KEYON(slot1); + OPL_KEYON(slot2); +} + +/* ---------- opl initialize ---------- */ +static void OPL_initalize(FM_OPL *OPL) +{ + int fn; + + /* frequency base */ + OPL->freqbase = (OPL->rate) ? ((double)OPL->clock / OPL->rate) / 72 : 0; + /* Timer base time */ + OPL->TimerBase = 1.0/((double)OPL->clock / 72.0 ); + /* make time tables */ + init_timetables( OPL , OPL_ARRATE , OPL_DRRATE ); + /* make fnumber -> increment counter table */ + for( fn=0 ; fn < 1024 ; fn++ ) + { + OPL->FN_TABLE[fn] = (UINT32) (OPL->freqbase * fn * FREQ_RATE * (1<<7) / 2); + } + /* LFO freq.table */ + OPL->amsIncr = (INT32) (OPL->rate ? (double)AMS_ENT*(1<rate * 3.7 * ((double)OPL->clock/3600000) : 0); + OPL->vibIncr = (INT32) (OPL->rate ? (double)VIB_ENT*(1<rate * 6.4 * ((double)OPL->clock/3600000) : 0); +} + +/* ---------- write a OPL registers ---------- */ +static void OPLWriteReg(FM_OPL *OPL, int r, int v) +{ + OPL_CH *CH; + int slot; + unsigned int block_fnum; + + switch(r&0xe0) + { + case 0x00: /* 00-1f:controll */ + switch(r&0x1f) + { + case 0x01: + /* wave selector enable */ + if(OPL->type&OPL_TYPE_WAVESEL) + { + OPL->wavesel = v&0x20; + if(!OPL->wavesel) + { + /* preset compatible mode */ + int c; + for(c=0;cmax_ch;c++) + { + OPL->P_CH[c].SLOT[SLOT1].wavetable = &SIN_TABLE[0]; + OPL->P_CH[c].SLOT[SLOT2].wavetable = &SIN_TABLE[0]; + } + } + } + return; + case 0x02: /* Timer 1 */ + OPL->T[0] = (256-v)*4; + break; + case 0x03: /* Timer 2 */ + OPL->T[1] = (256-v)*16; + return; + case 0x04: /* IRQ clear / mask and Timer enable */ + if(v&0x80) + { /* IRQ flag clear */ + OPL_STATUS_RESET(OPL,0x7f); + } + else + { /* set IRQ mask ,timer enable*/ + UINT8 st1 = v&1; + UINT8 st2 = (v>>1)&1; + /* IRQRST,T1MSK,t2MSK,EOSMSK,BRMSK,x,ST2,ST1 */ + OPL_STATUS_RESET(OPL,v&0x78); + OPL_STATUSMASK_SET(OPL,((~v)&0x78)|0x01); + /* timer 2 */ + if(OPL->st[1] != st2) + { + double interval = st2 ? (double)OPL->T[1]*OPL->TimerBase : 0.0; + OPL->st[1] = st2; + if (OPL->TimerHandler) (OPL->TimerHandler)(OPL->TimerParam+1,interval); + } + /* timer 1 */ + if(OPL->st[0] != st1) + { + double interval = st1 ? (double)OPL->T[0]*OPL->TimerBase : 0.0; + OPL->st[0] = st1; + if (OPL->TimerHandler) (OPL->TimerHandler)(OPL->TimerParam+0,interval); + } + } + return; +#if BUILD_Y8950 + case 0x06: /* Key Board OUT */ + if(OPL->type&OPL_TYPE_KEYBOARD) + { + if(OPL->keyboardhandler_w) + OPL->keyboardhandler_w(OPL->keyboard_param,v); + else + LOG(LOG_WAR,("OPL:write unmapped KEYBOARD port\n")); + } + return; + case 0x07: /* DELTA-T controll : START,REC,MEMDATA,REPT,SPOFF,x,x,RST */ + if(OPL->type&OPL_TYPE_ADPCM) + YM_DELTAT_ADPCM_Write(OPL->deltat,r-0x07,v); + return; + case 0x08: /* MODE,DELTA-T : CSM,NOTESEL,x,x,smpl,da/ad,64k,rom */ + OPL->mode = v; + v&=0x1f; /* for DELTA-T unit */ + case 0x09: /* START ADD */ + case 0x0a: + case 0x0b: /* STOP ADD */ + case 0x0c: + case 0x0d: /* PRESCALE */ + case 0x0e: + case 0x0f: /* ADPCM data */ + case 0x10: /* DELTA-N */ + case 0x11: /* DELTA-N */ + case 0x12: /* EG-CTRL */ + if(OPL->type&OPL_TYPE_ADPCM) + YM_DELTAT_ADPCM_Write(OPL->deltat,r-0x07,v); + return; +#if 0 + case 0x15: /* DAC data */ + case 0x16: + case 0x17: /* SHIFT */ + return; + case 0x18: /* I/O CTRL (Direction) */ + if(OPL->type&OPL_TYPE_IO) + OPL->portDirection = v&0x0f; + return; + case 0x19: /* I/O DATA */ + if(OPL->type&OPL_TYPE_IO) + { + OPL->portLatch = v; + if(OPL->porthandler_w) + OPL->porthandler_w(OPL->port_param,v&OPL->portDirection); + } + return; + case 0x1a: /* PCM data */ + return; +#endif +#endif + } + break; + case 0x20: /* am,vib,ksr,eg type,mul */ + slot = slot_array[r&0x1f]; + if(slot == -1) return; + set_mul(OPL,slot,v); + return; + case 0x40: + slot = slot_array[r&0x1f]; + if(slot == -1) return; + set_ksl_tl(OPL,slot,v); + return; + case 0x60: + slot = slot_array[r&0x1f]; + if(slot == -1) return; + set_ar_dr(OPL,slot,v); + return; + case 0x80: + slot = slot_array[r&0x1f]; + if(slot == -1) return; + set_sl_rr(OPL,slot,v); + return; + case 0xa0: + switch(r) + { + case 0xbd: + /* amsep,vibdep,r,bd,sd,tom,tc,hh */ + { + UINT8 rkey = OPL->rythm^v; + OPL->ams_table = &AMS_TABLE[v&0x80 ? AMS_ENT : 0]; + OPL->vib_table = &VIB_TABLE[v&0x40 ? VIB_ENT : 0]; + OPL->rythm = v&0x3f; + if(OPL->rythm&0x20) + { +#if 0 + usrintf_showmessage("OPL Rythm mode select"); +#endif + /* BD key on/off */ + if(rkey&0x10) + { + if(v&0x10) + { + OPL->P_CH[6].op1_out[0] = OPL->P_CH[6].op1_out[1] = 0; + OPL_KEYON(&OPL->P_CH[6].SLOT[SLOT1]); + OPL_KEYON(&OPL->P_CH[6].SLOT[SLOT2]); + } + else + { + OPL_KEYOFF(&OPL->P_CH[6].SLOT[SLOT1]); + OPL_KEYOFF(&OPL->P_CH[6].SLOT[SLOT2]); + } + } + /* SD key on/off */ + if(rkey&0x08) + { + if(v&0x08) OPL_KEYON(&OPL->P_CH[7].SLOT[SLOT2]); + else OPL_KEYOFF(&OPL->P_CH[7].SLOT[SLOT2]); + }/* TAM key on/off */ + if(rkey&0x04) + { + if(v&0x04) OPL_KEYON(&OPL->P_CH[8].SLOT[SLOT1]); + else OPL_KEYOFF(&OPL->P_CH[8].SLOT[SLOT1]); + } + /* TOP-CY key on/off */ + if(rkey&0x02) + { + if(v&0x02) OPL_KEYON(&OPL->P_CH[8].SLOT[SLOT2]); + else OPL_KEYOFF(&OPL->P_CH[8].SLOT[SLOT2]); + } + /* HH key on/off */ + if(rkey&0x01) + { + if(v&0x01) OPL_KEYON(&OPL->P_CH[7].SLOT[SLOT1]); + else OPL_KEYOFF(&OPL->P_CH[7].SLOT[SLOT1]); + } + } + } + return; + } + /* keyon,block,fnum */ + if( (r&0x0f) > 8) return; + CH = &OPL->P_CH[r&0x0f]; + if(!(r&0x10)) + { /* a0-a8 */ + block_fnum = (CH->block_fnum&0x1f00) | v; + } + else + { /* b0-b8 */ + int keyon = (v>>5)&1; + block_fnum = ((v&0x1f)<<8) | (CH->block_fnum&0xff); + if(CH->keyon != keyon) + { + if( (CH->keyon=keyon) ) + { + CH->op1_out[0] = CH->op1_out[1] = 0; + OPL_KEYON(&CH->SLOT[SLOT1]); + OPL_KEYON(&CH->SLOT[SLOT2]); + } + else + { + OPL_KEYOFF(&CH->SLOT[SLOT1]); + OPL_KEYOFF(&CH->SLOT[SLOT2]); + } + } + } + /* update */ + if(CH->block_fnum != block_fnum) + { + int blockRv = 7-(block_fnum>>10); + int fnum = block_fnum&0x3ff; + CH->block_fnum = block_fnum; + + CH->ksl_base = KSL_TABLE[block_fnum>>6]; + CH->fc = OPL->FN_TABLE[fnum]>>blockRv; + CH->kcode = CH->block_fnum>>9; + if( (OPL->mode&0x40) && CH->block_fnum&0x100) CH->kcode |=1; + CALC_FCSLOT(CH,&CH->SLOT[SLOT1]); + CALC_FCSLOT(CH,&CH->SLOT[SLOT2]); + } + return; + case 0xc0: + /* FB,C */ + if( (r&0x0f) > 8) return; + CH = &OPL->P_CH[r&0x0f]; + { + int feedback = (v>>1)&7; + CH->FB = feedback ? (8+1) - feedback : 0; + CH->CON = v&1; + set_algorythm(CH); + } + return; + case 0xe0: /* wave type */ + slot = slot_array[r&0x1f]; + if(slot == -1) return; + CH = &OPL->P_CH[slot/2]; + if(OPL->wavesel) + { + /* LOG(LOG_INF,("OPL SLOT %d wave select %d\n",slot,v&3)); */ + CH->SLOT[slot&1].wavetable = &SIN_TABLE[(v&0x03)*SIN_ENT]; + } + return; + } +} + +/* lock/unlock for common table */ +static int OPL_LockTable(void) +{ + num_lock++; + if(num_lock>1) return 0; + /* first time */ + cur_chip = NULL; + /* allocate total level table (128kb space) */ + if( !OPLOpenTable() ) + { + num_lock--; + return -1; + } + return 0; +} + +static void OPL_UnLockTable(void) +{ + if(num_lock) num_lock--; + if(num_lock) return; + /* last time */ + cur_chip = NULL; + OPLCloseTable(); +} + +#if (BUILD_YM3812 || BUILD_YM3526) +/*******************************************************************************/ +/* YM3812 local section */ +/*******************************************************************************/ + +/* ---------- update one of chip ----------- */ +void YM3812UpdateOne(FM_OPL *OPL, INT16 *buffer, int length) +{ + int i; + int data; + FMSAMPLE *buf = buffer; + UINT32 amsCnt = OPL->amsCnt; + UINT32 vibCnt = OPL->vibCnt; + UINT8 rythm = OPL->rythm&0x20; + OPL_CH *CH,*R_CH; + + if( (void *)OPL != cur_chip ){ + cur_chip = (void *)OPL; + /* channel pointers */ + S_CH = OPL->P_CH; + E_CH = &S_CH[9]; + /* rythm slot */ + SLOT7_1 = &S_CH[7].SLOT[SLOT1]; + SLOT7_2 = &S_CH[7].SLOT[SLOT2]; + SLOT8_1 = &S_CH[8].SLOT[SLOT1]; + SLOT8_2 = &S_CH[8].SLOT[SLOT2]; + /* LFO state */ + amsIncr = OPL->amsIncr; + vibIncr = OPL->vibIncr; + ams_table = OPL->ams_table; + vib_table = OPL->vib_table; + } + R_CH = rythm ? &S_CH[6] : E_CH; + for( i=0; i < length ; i++ ) + { + /* channel A channel B channel C */ + /* LFO */ + ams = ams_table[(amsCnt+=amsIncr)>>AMS_SHIFT]; + vib = vib_table[(vibCnt+=vibIncr)>>VIB_SHIFT]; + outd[0] = 0; + /* FM part */ + for(CH=S_CH ; CH < R_CH ; CH++) + OPL_CALC_CH(CH); + /* Rythn part */ + if(rythm) + OPL_CALC_RH(S_CH); + /* limit check */ + data = Limit( outd[0] , OPL_MAXOUT, OPL_MINOUT ); + /* store to sound buffer */ + buf[i] = data >> OPL_OUTSB; + } + + OPL->amsCnt = amsCnt; + OPL->vibCnt = vibCnt; +} +#endif /* (BUILD_YM3812 || BUILD_YM3526) */ + +#if BUILD_Y8950 + +void Y8950UpdateOne(FM_OPL *OPL, INT16 *buffer, int length) +{ + int i; + int data; + FMSAMPLE *buf = buffer; + UINT32 amsCnt = OPL->amsCnt; + UINT32 vibCnt = OPL->vibCnt; + UINT8 rythm = OPL->rythm&0x20; + OPL_CH *CH,*R_CH; + YM_DELTAT *DELTAT = OPL->deltat; + + /* setup DELTA-T unit */ + YM_DELTAT_DECODE_PRESET(DELTAT); + + if( (void *)OPL != cur_chip ){ + cur_chip = (void *)OPL; + /* channel pointers */ + S_CH = OPL->P_CH; + E_CH = &S_CH[9]; + /* rythm slot */ + SLOT7_1 = &S_CH[7].SLOT[SLOT1]; + SLOT7_2 = &S_CH[7].SLOT[SLOT2]; + SLOT8_1 = &S_CH[8].SLOT[SLOT1]; + SLOT8_2 = &S_CH[8].SLOT[SLOT2]; + /* LFO state */ + amsIncr = OPL->amsIncr; + vibIncr = OPL->vibIncr; + ams_table = OPL->ams_table; + vib_table = OPL->vib_table; + } + R_CH = rythm ? &S_CH[6] : E_CH; + for( i=0; i < length ; i++ ) + { + /* channel A channel B channel C */ + /* LFO */ + ams = ams_table[(amsCnt+=amsIncr)>>AMS_SHIFT]; + vib = vib_table[(vibCnt+=vibIncr)>>VIB_SHIFT]; + outd[0] = 0; + /* deltaT ADPCM */ + if( DELTAT->flag ) + YM_DELTAT_ADPCM_CALC(DELTAT); + /* FM part */ + for(CH=S_CH ; CH < R_CH ; CH++) + OPL_CALC_CH(CH); + /* Rythn part */ + if(rythm) + OPL_CALC_RH(S_CH); + /* limit check */ + data = Limit( outd[0] , OPL_MAXOUT, OPL_MINOUT ); + /* store to sound buffer */ + buf[i] = data >> OPL_OUTSB; + } + OPL->amsCnt = amsCnt; + OPL->vibCnt = vibCnt; + /* deltaT START flag */ + if( !DELTAT->flag ) + OPL->status &= 0xfe; +} +#endif + +/* ---------- reset one of chip ---------- */ +void OPLResetChip(FM_OPL *OPL) +{ + int c,s; + int i; + + /* reset chip */ + OPL->mode = 0; /* normal mode */ + OPL_STATUS_RESET(OPL,0x7f); + /* reset with register write */ + OPLWriteReg(OPL,0x01,0); /* wabesel disable */ + OPLWriteReg(OPL,0x02,0); /* Timer1 */ + OPLWriteReg(OPL,0x03,0); /* Timer2 */ + OPLWriteReg(OPL,0x04,0); /* IRQ mask clear */ + for(i = 0xff ; i >= 0x20 ; i-- ) OPLWriteReg(OPL,i,0); + /* reset OPerator paramater */ + for( c = 0 ; c < OPL->max_ch ; c++ ) + { + OPL_CH *CH = &OPL->P_CH[c]; + /* OPL->P_CH[c].PAN = OPN_CENTER; */ + for(s = 0 ; s < 2 ; s++ ) + { + /* wave table */ + CH->SLOT[s].wavetable = &SIN_TABLE[0]; + /* CH->SLOT[s].evm = ENV_MOD_RR; */ + CH->SLOT[s].evc = EG_OFF; + CH->SLOT[s].eve = EG_OFF+1; + CH->SLOT[s].evs = 0; + } + } +#if BUILD_Y8950 + if(OPL->type&OPL_TYPE_ADPCM) + { + YM_DELTAT *DELTAT = OPL->deltat; + + DELTAT->freqbase = OPL->freqbase; + DELTAT->output_pointer = outd; + DELTAT->portshift = 5; + DELTAT->output_range = DELTAT_MIXING_LEVEL<P_CH = (OPL_CH *)ptr; ptr+=sizeof(OPL_CH)*max_ch; +#if BUILD_Y8950 + if(type&OPL_TYPE_ADPCM) OPL->deltat = (YM_DELTAT *)ptr; ptr+=sizeof(YM_DELTAT); +#endif + /* set channel state pointer */ + OPL->type = type; + OPL->clock = clock; + OPL->rate = rate; + OPL->max_ch = max_ch; + /* init grobal tables */ + OPL_initalize(OPL); + /* reset chip */ + OPLResetChip(OPL); + return OPL; +} + +/* ---------- Destroy one of vietual YM3812 ---------- */ +void OPLDestroy(FM_OPL *OPL) +{ + OPL_UnLockTable(); + free(OPL); +} + +/* ---------- Option handlers ---------- */ + +void OPLSetTimerHandler(FM_OPL *OPL,OPL_TIMERHANDLER TimerHandler,int channelOffset) +{ + OPL->TimerHandler = TimerHandler; + OPL->TimerParam = channelOffset; +} +void OPLSetIRQHandler(FM_OPL *OPL,OPL_IRQHANDLER IRQHandler,int param) +{ + OPL->IRQHandler = IRQHandler; + OPL->IRQParam = param; +} +void OPLSetUpdateHandler(FM_OPL *OPL,OPL_UPDATEHANDLER UpdateHandler,int param) +{ + OPL->UpdateHandler = UpdateHandler; + OPL->UpdateParam = param; +} +#if BUILD_Y8950 +void OPLSetPortHandler(FM_OPL *OPL,OPL_PORTHANDLER_W PortHandler_w,OPL_PORTHANDLER_R PortHandler_r,int param) +{ + OPL->porthandler_w = PortHandler_w; + OPL->porthandler_r = PortHandler_r; + OPL->port_param = param; +} + +void OPLSetKeyboardHandler(FM_OPL *OPL,OPL_PORTHANDLER_W KeyboardHandler_w,OPL_PORTHANDLER_R KeyboardHandler_r,int param) +{ + OPL->keyboardhandler_w = KeyboardHandler_w; + OPL->keyboardhandler_r = KeyboardHandler_r; + OPL->keyboard_param = param; +} +#endif +/* ---------- YM3812 I/O interface ---------- */ +int OPLWrite(FM_OPL *OPL,int a,int v) +{ + if( !(a&1) ) + { /* address port */ + OPL->address = v & 0xff; + } + else + { /* data port */ + if(OPL->UpdateHandler) OPL->UpdateHandler(OPL->UpdateParam,0); + OPLWriteReg(OPL,OPL->address,v); + } + return OPL->status>>7; +} + +unsigned char OPLRead(FM_OPL *OPL,int a) +{ + if( !(a&1) ) + { /* status port */ + return OPL->status & (OPL->statusmask|0x80); + } + /* data port */ + switch(OPL->address) + { + case 0x05: /* KeyBoard IN */ + if(OPL->type&OPL_TYPE_KEYBOARD) + { + if(OPL->keyboardhandler_r) + return OPL->keyboardhandler_r(OPL->keyboard_param); + else + LOG(LOG_WAR,("OPL:read unmapped KEYBOARD port\n")); + } + return 0; +#if 0 + case 0x0f: /* ADPCM-DATA */ + return 0; +#endif + case 0x19: /* I/O DATA */ + if(OPL->type&OPL_TYPE_IO) + { + if(OPL->porthandler_r) + return OPL->porthandler_r(OPL->port_param); + else + LOG(LOG_WAR,("OPL:read unmapped I/O port\n")); + } + return 0; + case 0x1a: /* PCM-DATA */ + return 0; + } + return 0; +} + +int OPLTimerOver(FM_OPL *OPL,int c) +{ + if( c ) + { /* Timer B */ + OPL_STATUS_SET(OPL,0x20); + } + else + { /* Timer A */ + OPL_STATUS_SET(OPL,0x40); + /* CSM mode key,TL controll */ + if( OPL->mode & 0x80 ) + { /* CSM mode total level latch and auto key on */ + int ch; + if(OPL->UpdateHandler) OPL->UpdateHandler(OPL->UpdateParam,0); + for(ch=0;ch<9;ch++) + CSMKeyControll( &OPL->P_CH[ch] ); + } + } + /* reload timer */ + if (OPL->TimerHandler) (OPL->TimerHandler)(OPL->TimerParam+c,(double)OPL->T[c]*OPL->TimerBase); + return OPL->status>>7; +} diff --git a/contrib/nosefart/fmopl.h b/contrib/nosefart/fmopl.h new file mode 100644 index 000000000..92a2859d7 --- /dev/null +++ b/contrib/nosefart/fmopl.h @@ -0,0 +1,164 @@ +#ifndef __FMOPL_H_ +#define __FMOPL_H_ + +#define HAS_YM3812 1 +typedef signed short int FMSAMPLE; + + +#define BUILD_YM3812 (HAS_YM3812) +#define BUILD_YM3526 (HAS_YM3526) +#define BUILD_Y8950 (HAS_Y8950) + +/* compiler dependence */ +#ifndef OSD_CPU_H +#define OSD_CPU_H +typedef unsigned char UINT8; /* unsigned 8bit */ +typedef unsigned short UINT16; /* unsigned 16bit */ +typedef unsigned int UINT32; /* unsigned 32bit */ +typedef signed char INT8; /* signed 8bit */ +typedef signed short INT16; /* signed 16bit */ +typedef signed int INT32; /* signed 32bit */ +#endif + +#if BUILD_Y8950 +#include "ymdeltat.h" +#endif + +typedef void (*OPL_TIMERHANDLER)(int channel,double interval_Sec); +typedef void (*OPL_IRQHANDLER)(int param,int irq); +typedef void (*OPL_UPDATEHANDLER)(int param,int min_interval_us); +typedef void (*OPL_PORTHANDLER_W)(int param,unsigned char data); +typedef unsigned char (*OPL_PORTHANDLER_R)(int param); + +/* !!!!! here is private section , do not access there member direct !!!!! */ + +#define OPL_TYPE_WAVESEL 0x01 /* waveform select */ +#define OPL_TYPE_ADPCM 0x02 /* DELTA-T ADPCM unit */ +#define OPL_TYPE_KEYBOARD 0x04 /* keyboard interface */ +#define OPL_TYPE_IO 0x08 /* I/O port */ + +/* ---------- OPL one of slot ---------- */ +typedef struct fm_opl_slot { + INT32 TL; /* total level :TL << 8 */ + INT32 TLL; /* adjusted now TL */ + UINT8 KSR; /* key scale rate :(shift down bit) */ + INT32 *AR; /* attack rate :&AR_TABLE[AR<<2] */ + INT32 *DR; /* decay rate :&DR_TALBE[DR<<2] */ + INT32 SL; /* sustin level :SL_TALBE[SL] */ + INT32 *RR; /* release rate :&DR_TABLE[RR<<2] */ + UINT8 ksl; /* keyscale level :(shift down bits) */ + UINT8 ksr; /* key scale rate :kcode>>KSR */ + UINT32 mul; /* multiple :ML_TABLE[ML] */ + UINT32 Cnt; /* frequency count : */ + UINT32 Incr; /* frequency step : */ + /* envelope generator state */ + UINT8 eg_typ; /* envelope type flag */ + UINT8 evm; /* envelope phase */ + INT32 evc; /* envelope counter */ + INT32 eve; /* envelope counter end point */ + INT32 evs; /* envelope counter step */ + INT32 evsa; /* envelope step for AR :AR[ksr] */ + INT32 evsd; /* envelope step for DR :DR[ksr] */ + INT32 evsr; /* envelope step for RR :RR[ksr] */ + /* LFO */ + UINT8 ams; /* ams flag */ + UINT8 vib; /* vibrate flag */ + /* wave selector */ + INT32 **wavetable; +}OPL_SLOT; + +/* ---------- OPL one of channel ---------- */ +typedef struct fm_opl_channel { + OPL_SLOT SLOT[2]; + UINT8 CON; /* connection type */ + UINT8 FB; /* feed back :(shift down bit) */ + INT32 *connect1; /* slot1 output pointer */ + INT32 *connect2; /* slot2 output pointer */ + INT32 op1_out[2]; /* slot1 output for selfeedback */ + /* phase generator state */ + UINT32 block_fnum; /* block+fnum : */ + UINT8 kcode; /* key code : KeyScaleCode */ + UINT32 fc; /* Freq. Increment base */ + UINT32 ksl_base; /* KeyScaleLevel Base step */ + UINT8 keyon; /* key on/off flag */ +} OPL_CH; + +/* OPL state */ +typedef struct fm_opl_f { + UINT8 type; /* chip type */ + int clock; /* master clock (Hz) */ + int rate; /* sampling rate (Hz) */ + double freqbase; /* frequency base */ + double TimerBase; /* Timer base time (==sampling time) */ + UINT8 address; /* address register */ + UINT8 status; /* status flag */ + UINT8 statusmask; /* status mask */ + UINT32 mode; /* Reg.08 : CSM , notesel,etc. */ + /* Timer */ + int T[2]; /* timer counter */ + UINT8 st[2]; /* timer enable */ + /* FM channel slots */ + OPL_CH *P_CH; /* pointer of CH */ + int max_ch; /* maximum channel */ + /* Rythm sention */ + UINT8 rythm; /* Rythm mode , key flag */ +#if BUILD_Y8950 + /* Delta-T ADPCM unit (Y8950) */ + YM_DELTAT *deltat; /* DELTA-T ADPCM */ +#endif + /* Keyboard / I/O interface unit (Y8950) */ + UINT8 portDirection; + UINT8 portLatch; + OPL_PORTHANDLER_R porthandler_r; + OPL_PORTHANDLER_W porthandler_w; + int port_param; + OPL_PORTHANDLER_R keyboardhandler_r; + OPL_PORTHANDLER_W keyboardhandler_w; + int keyboard_param; + /* time tables */ + INT32 AR_TABLE[75]; /* atttack rate tables */ + INT32 DR_TABLE[75]; /* decay rate tables */ + UINT32 FN_TABLE[1024]; /* fnumber -> increment counter */ + /* LFO */ + INT32 *ams_table; + INT32 *vib_table; + INT32 amsCnt; + INT32 amsIncr; + INT32 vibCnt; + INT32 vibIncr; + /* wave selector enable flag */ + UINT8 wavesel; + /* external event callback handler */ + OPL_TIMERHANDLER TimerHandler; /* TIMER handler */ + int TimerParam; /* TIMER parameter */ + OPL_IRQHANDLER IRQHandler; /* IRQ handler */ + int IRQParam; /* IRQ parameter */ + OPL_UPDATEHANDLER UpdateHandler; /* stream update handler */ + int UpdateParam; /* stream update parameter */ +} FM_OPL; + +/* ---------- Generic interface section ---------- */ +#define OPL_TYPE_YM3526 (0) +#define OPL_TYPE_YM3812 (OPL_TYPE_WAVESEL) +#define OPL_TYPE_Y8950 (OPL_TYPE_ADPCM|OPL_TYPE_KEYBOARD|OPL_TYPE_IO) + +FM_OPL *OPLCreate(int type, int clock, int rate); +void OPLDestroy(FM_OPL *OPL); +void OPLSetTimerHandler(FM_OPL *OPL,OPL_TIMERHANDLER TimerHandler,int channelOffset); +void OPLSetIRQHandler(FM_OPL *OPL,OPL_IRQHANDLER IRQHandler,int param); +void OPLSetUpdateHandler(FM_OPL *OPL,OPL_UPDATEHANDLER UpdateHandler,int param); +/* Y8950 port handlers */ +void OPLSetPortHandler(FM_OPL *OPL,OPL_PORTHANDLER_W PortHandler_w,OPL_PORTHANDLER_R PortHandler_r,int param); +void OPLSetKeyboardHandler(FM_OPL *OPL,OPL_PORTHANDLER_W KeyboardHandler_w,OPL_PORTHANDLER_R KeyboardHandler_r,int param); + +void OPLResetChip(FM_OPL *OPL); +int OPLWrite(FM_OPL *OPL,int a,int v); +unsigned char OPLRead(FM_OPL *OPL,int a); +int OPLTimerOver(FM_OPL *OPL,int c); + +/* YM3626/YM3812 local section */ +void YM3812UpdateOne(FM_OPL *OPL, INT16 *buffer, int length); + +void Y8950UpdateOne(FM_OPL *OPL, INT16 *buffer, int length); + +#endif diff --git a/contrib/nosefart/log.c b/contrib/nosefart/log.c new file mode 100644 index 000000000..8935a596e --- /dev/null +++ b/contrib/nosefart/log.c @@ -0,0 +1,118 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** log.c +** +** Error logging functions +** $Id: log.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#include +#include +#include "types.h" +#include "log.h" + + +#ifdef OSD_LOG +#include "osd.h" +#endif + +#if defined(OSD_LOG) && !defined(NOFRENDO_DEBUG) +#error NOFRENDO_DEBUG must be defined as well as OSD_LOG +#endif + +/* Note that all of these functions will be empty if +** debugging is not enabled. +*/ +#ifdef NOFRENDO_DEBUG +static FILE *errorlog; +#endif + +int log_init(void) +{ +#ifdef NOFRENDO_DEBUG +#ifdef OSD_LOG + /* Initialize an OSD logging system */ + osd_loginit(); +#endif /* OSD_LOG */ + errorlog = fopen("errorlog.txt", "wt"); + if (NULL == errorlog) + return (-1); +#endif /* NOFRENDO_DEBUG */ + return 0; +} + +void log_shutdown(void) +{ +#ifdef NOFRENDO_DEBUG + /* Snoop around for unallocated blocks */ + mem_checkblocks(); + mem_checkleaks(); +#ifdef OSD_LOG + osd_logshutdown(); +#endif /* OSD_LOG */ + fclose(errorlog); +#endif /* NOFRENDO_DEBUG */ +} + +void log_print(const char *string) +{ +#ifdef NOFRENDO_DEBUG +#ifdef OSD_LOG + osd_logprint(string); +#endif /* OSD_LOG */ + /* Log it to disk, as well */ + fputs(string, errorlog); +#endif /* NOFRENDO_DEBUG */ +} + +void log_printf(const char *format, ... ) +{ +#ifdef NOFRENDO_DEBUG +#ifdef OSD_LOG + char buffer[1024 + 1]; +#endif /* OSD_LOG */ + va_list arg; + + va_start(arg, format); + +#ifdef OSD_LOG + vsprintf(buffer, format, arg); + osd_logprint(buffer); +#endif /* OSD_LOG */ + vfprintf(errorlog, format, arg); + va_end(arg); +#endif /* NOFRENDO_DEBUG */ +} + +/* +** $Log: log.c,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.5 2000/06/26 04:55:33 matt +** minor change +** +** Revision 1.4 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/log.h b/contrib/nosefart/log.h new file mode 100644 index 000000000..a12deff0a --- /dev/null +++ b/contrib/nosefart/log.h @@ -0,0 +1,53 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** log.h +** +** Error logging header file +** $Id: log.h,v 1.3 2006/04/21 23:15:45 dsalt Exp $ +*/ + +#ifndef _LOG_H_ +#define _LOG_H_ + +#include +#include "attributes.h" + +extern int log_init(void); +extern void log_shutdown(void); +extern void log_print(const char *string); +extern void log_printf(const char *format, ...) XINE_FORMAT_PRINTF(1, 2); + +#endif /* _LOG_H_ */ + +/* +** $Log: log.h,v $ +** Revision 1.3 2006/04/21 23:15:45 dsalt +** Add printf format attributes. +** +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.4 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/memguard.c b/contrib/nosefart/memguard.c new file mode 100644 index 000000000..35b3ef6ba --- /dev/null +++ b/contrib/nosefart/memguard.c @@ -0,0 +1,417 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** memguard.c +** +** memory allocation wrapper routines +** +** NOTE: based on code (c) 1998 the Retrocade group +** $Id: memguard.c,v 1.4 2004/02/20 19:53:39 komadori Exp $ +*/ + +#include "types.h" + +/* undefine macro definitions, so we get real calls */ +#undef malloc +#undef free + +#include +#include + +#if HAVE_INTTYPES_H +# include +#else +# if HAVE_STDINT_H +# include +# endif +#endif + +#include "memguard.h" +#include "log.h" + + +/* Maximum number of allocated blocks at any one time */ +#define MAX_BLOCKS 16384 + +/* Memory block structure */ +typedef struct memblock_s +{ + void *block_addr; + int block_size; + char *file_name; + int line_num; +} memblock_t; + +boolean mem_debug = TRUE; /* debugging flag */ + + +#ifdef NOFRENDO_DEBUG + +static int mem_blockcount = 0; /* allocated block count */ +static memblock_t *mem_record = NULL; + +#define GUARD_STRING "GgUuAaRrDdSsTtRrIiNnGgBbLlOoCcKk" +#define GUARD_LENGTH 64 /* before and after allocated block */ + + +/* +** Check the memory guard to make sure out of bounds writes have not +** occurred. +*/ +static boolean mem_checkguardblock(void *data, int guard_size) +{ + uint8 *orig, *chk, *blk; + int i, alloc_size; + + /* get the original pointer */ + orig = (((uint8 *) data) - guard_size); + + /* get the size */ + alloc_size = *((uint32 *) orig); + + /* now skip past the size */ + blk = orig + sizeof(uint32); + + /* check leading guard string */ + chk = GUARD_STRING; + for (i = sizeof(uint32); i < guard_size; i++) + { + if (0 == *chk) + chk = GUARD_STRING; + if (*blk != *chk) + return FALSE; + chk++; + blk++; + } + + /* check end of block */ + chk = GUARD_STRING; + blk = ((uint8 *) data) + alloc_size; + for (i = 0; i < guard_size; i++) + { + if (0 == *chk) + chk = GUARD_STRING; + if (*blk != *chk) + return FALSE; + chk++; + blk++; + } + + /* we're okay! */ + return TRUE; +} + +/* free a guard block */ +static void mem_freeguardblock(void *data, int guard_size) +{ + uint8 *orig = (((uint8 *) data) - guard_size); + + free(orig); +} + +/* fill in the memory guard, advance the pointer to the 'real' memory */ +static void *mem_guardblock(int alloc_size, int guard_size) +{ + void *orig; + uint8 *blk, *chk; + int i; + + /* allocate memory */ + orig = calloc(alloc_size + (guard_size * 2), 1); + if (NULL == orig) + return NULL; + + blk = ((uint8 *) orig); + + /* store the size of the newly allocated block*/ + *((uint32 *) blk) = alloc_size; + + /* skip past the size */ + blk += sizeof(uint32); + + /* put guard string at beginning of block */ + chk = GUARD_STRING; + for (i = sizeof(uint32); i < guard_size; i++) + { + if (0 == *chk) + chk = GUARD_STRING; + *blk++ = *chk++; + } + + /* check end of block */ + chk = GUARD_STRING; + blk = guard_size + (uint8 *) orig + alloc_size; + for (i = 0; i < guard_size; i++) + { + if (0 == *chk) + chk = GUARD_STRING; + *blk++ = *chk++; + } + + return (void *) (guard_size + (uint8 *) orig); +} + + +/* Allocate a bunch of memory to keep track of all memory blocks */ +static void mem_init(void) +{ + if (mem_record) + { + free(mem_record); + mem_record = NULL; + } + + mem_record = calloc(MAX_BLOCKS * sizeof(memblock_t), 1); + ASSERT(mem_record); +} + +/* add a block of memory to the master record */ +static void mem_addblock(void *data, int block_size, char *file, int line) +{ + int i; + + for (i = 0; i < MAX_BLOCKS; i++) + { + if (NULL == mem_record[i].block_addr) + { + mem_record[i].block_addr = data; + mem_record[i].block_size = block_size; + mem_record[i].file_name = file; + mem_record[i].line_num = line; + return; + } + } + + ASSERT_MSG("out of memory blocks."); +} + +/* find an entry in the block record and delete it */ +static void mem_deleteblock(void *data, char *file, int line) +{ + int i; + char fail[256]; + + for (i = 0; i < MAX_BLOCKS; i++) + { + if (data == mem_record[i].block_addr) + { + if (FALSE == mem_checkguardblock(mem_record[i].block_addr, GUARD_LENGTH)) + { + sprintf(fail, "mem_deleteblock 0x%08X at line %d of %s -- block corrupt", + (uint32) data, line, file); + ASSERT_MSG(fail); + } + + memset(&mem_record[i], 0, sizeof(memblock_t)); + return; + } + } + + sprintf(fail, "mem_deleteblock 0x%08X at line %d of %s -- block not found", + (uint32) data, line, file); + ASSERT_MSG(fail); +} +#endif /* NOFRENDO_DEBUG */ + +/* allocates memory and clears it */ +#ifdef NOFRENDO_DEBUG +void *_my_malloc(int size, char *file, int line) +#else +void *_my_malloc(int size) +#endif +{ + void *temp; + char fail[256]; + +#ifdef NOFRENDO_DEBUG + if (NULL == mem_record && FALSE != mem_debug) + mem_init(); + + if (FALSE != mem_debug) + temp = mem_guardblock(size, GUARD_LENGTH); + else +#endif /* NOFRENDO_DEBUG */ + temp = calloc(sizeof(uint8), size); + + if (NULL == temp) + { +#ifdef NOFRENDO_DEBUG + sprintf(fail, "malloc: out of memory at line %d of %s. block size: %d\n", + line, file, size); +#else + sprintf(fail, "malloc: out of memory. block size: %d\n", size); +#endif + ASSERT_MSG(fail); + } + +#ifdef NOFRENDO_DEBUG + if (FALSE != mem_debug) + mem_addblock(temp, size, file, line); + + mem_blockcount++; +#endif + + return temp; +} + +/* free a pointer allocated with my_malloc */ +#ifdef NOFRENDO_DEBUG +void _my_free(void **data, char *file, int line) +#else +void _my_free(void **data) +#endif +{ + char fail[256]; + + if (NULL == data || NULL == *data + || ((uintptr_t)-1) == (uintptr_t) *data || ((uintptr_t)-1) == (uintptr_t) data) + { +#ifdef NOFRENDO_DEBUG + sprintf(fail, "free: attempted to free NULL pointer at line %d of %s\n", + line, file); +#else + sprintf(fail, "free: attempted to free NULL pointer.\n"); +#endif + ASSERT_MSG(fail); + } + +#ifdef NOFRENDO_DEBUG + /* if this is true, we are in REAL trouble */ + if (0 == mem_blockcount) + { + ASSERT_MSG("free: attempted to free memory when no blocks available"); + } + + if (FALSE != mem_debug) + mem_deleteblock(*data, file, line); + + mem_blockcount--; /* dec our block count */ + + if (FALSE != mem_debug) + mem_freeguardblock(*data, GUARD_LENGTH); + else +#endif /* NOFRENDO_DEBUG */ + free(*data); + + *data = NULL; /* NULL our source */ +} + +/* check for orphaned memory handles */ +void mem_checkleaks(void) +{ +#ifdef NOFRENDO_DEBUG + int i; + + if (FALSE == mem_debug) + return; + + if (mem_blockcount) + { + log_printf("memory leak - %d unfreed block%s\n\n", mem_blockcount, + mem_blockcount == 1 ? "" : "s"); + + for (i = 0; i < MAX_BLOCKS; i++) + { + if (mem_record[i].block_addr) + { + log_printf("addr: 0x%08X, size: %d, line %d of %s%s\n", + (uint32) mem_record[i].block_addr, + mem_record[i].block_size, + mem_record[i].line_num, + mem_record[i].file_name, + (FALSE == mem_checkguardblock(mem_record[i].block_addr, GUARD_LENGTH)) + ? " -- block corrupt" : ""); + } + } + } + else + log_printf("no memory leaks\n"); +#endif +} + +void mem_checkblocks(void) +{ +#ifdef NOFRENDO_DEBUG + int i; + + if (FALSE == mem_debug) + return; + + for (i = 0; i < MAX_BLOCKS; i++) + { + if (mem_record[i].block_addr) + { + if (FALSE == mem_checkguardblock(mem_record[i].block_addr, GUARD_LENGTH)) + { + log_printf("addr: 0x%08X, size: %d, line %d of %s -- block corrupt\n", + (uint32) mem_record[i].block_addr, + mem_record[i].block_size, + mem_record[i].line_num, + mem_record[i].file_name); + } + } + } +#endif /* NOFRENDO_DEBUG */ +} + +/* +** $Log: memguard.c,v $ +** Revision 1.4 2004/02/20 19:53:39 komadori +** Fixed detection of linux framebuffer support. Included xineutils.h in dsputil_mlib.c and added to diff_to_ffmpeg_cvs.txt. Fixed function prototype in dsputil_mlib.c (should be sent back to ffmpeg-dev at some point). Fixed includes in nosefart. Fixed nested comments and includes in goom. +** +** Revision 1.3 2004/02/19 02:50:25 rockyb +** Mandrake patches from +** http://cvs.mandrakesoft.com/cgi-bin/cvsweb.cgi/SPECS/xine-lib/ +** via Goetz Waschk who reports: +** +** The amd64 patch (xine-lib-1-rc0a-amd64.patch) sets some conservative +** CFLAGS for amd64, +** +** the lib64 patch (xine-lib-1-rc0a-lib64.patch) replaces hardcoded +** /lib to support the lib64 library dir on amd64, +** +** the directfb patch (xine-lib-1-rc2-no-directfb.patch) adds a +** configure option to disable directfb, +** +** the linuxfb patch (xine-lib-1-rc3a-no-linuxfb.patch) does the same +** for linux framebuffer and +** +** the 64bit fixes patch (xine-lib-1-rc3-64bit-fixes.patch) doesn't +** apply at the moment against the CVS -- demux_ogg.c was not applied. +** it includes some 64 bit pointer and other fixes for 64bit architectures. +** from Gwenole Beauchesne +** +** I haven't tested other than apply and compile. +** +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.8 2000/06/26 04:54:48 matt +** simplified and made more robust +** +** Revision 1.7 2000/06/12 01:11:41 matt +** cleaned up some error output for win32 +** +** Revision 1.6 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/memguard.h b/contrib/nosefart/memguard.h new file mode 100644 index 000000000..d80d6fb7c --- /dev/null +++ b/contrib/nosefart/memguard.h @@ -0,0 +1,70 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** memguard.h +** +** memory allocation wrapper routines +** $Id: memguard.h,v 1.2 2003/03/01 02:23:01 storri Exp $ +*/ + +#ifndef _MEMGUARD_H_ +#define _MEMGUARD_H_ + +#ifdef NOFRENDO_DEBUG + +#define malloc(s) _my_malloc((s), __FILE__, __LINE__) +#define free(d) _my_free((void **) &(d), __FILE__, __LINE__) + +extern void *_my_malloc(int size, char *file, int line); +extern void _my_free(void **data, char *file, int line); + +#else /* Non-debugging versions of calls */ + +#define malloc(s) _my_malloc((s)) +#define free(d) _my_free((void **) &(d)) + +extern void *_my_malloc(int size); +extern void _my_free(void **data); + +#endif /* NOFRENDO_DEBUG */ + + +extern void mem_checkblocks(void); +extern void mem_checkleaks(void); + +extern boolean mem_debug; + +#endif /* _MEMGUARD_H_ */ + +/* +** $Log: memguard.h,v $ +** Revision 1.2 2003/03/01 02:23:01 storri +** Added new line at end of file to remove compiler warning. +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.5 2000/06/26 04:54:48 matt +** simplified and made more robust +** +** Revision 1.4 2000/06/09 15:12:25 matt +** initial revision +** +*/ + diff --git a/contrib/nosefart/mmc5_snd.c b/contrib/nosefart/mmc5_snd.c new file mode 100644 index 000000000..7269fa967 --- /dev/null +++ b/contrib/nosefart/mmc5_snd.c @@ -0,0 +1,360 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** mmc5_snd.c +** +** Nintendo MMC5 sound emulation +** $Id: mmc5_snd.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#include +#include "types.h" +#include "mmc5_snd.h" +#include "nes_apu.h" + +/* TODO: encapsulate apu/mmc5 rectangle */ + +#define APU_OVERSAMPLE +#define APU_VOLUME_DECAY(x) ((x) -= ((x) >> 7)) + + +typedef struct mmc5dac_s +{ + int32 output; + boolean enabled; +} mmc5dac_t; + + +/* look up table madness */ +static int32 decay_lut[16]; +static int vbl_lut[32]; + +/* various sound constants for sound emulation */ +/* vblank length table used for rectangles, triangle, noise */ +static const uint8 vbl_length[32] = +{ + 5, 127, 10, 1, 19, 2, 40, 3, 80, 4, 30, 5, 7, 6, 13, 7, + 6, 8, 12, 9, 24, 10, 48, 11, 96, 12, 36, 13, 8, 14, 16, 15 +}; + +/* ratios of pos/neg pulse for rectangle waves +** 2/16 = 12.5%, 4/16 = 25%, 8/16 = 50%, 12/16 = 75% +** (4-bit adder in rectangles, hence the 16) +*/ +static const int duty_lut[4] = +{ + 2, 4, 8, 12 +}; + + +static int32 mmc5_incsize; +static uint8 mul[2]; +static mmc5rectangle_t mmc5rect[2]; +static mmc5dac_t mmc5dac; + +#define MMC5_RECTANGLE_OUTPUT chan->output_vol +static int32 mmc5_rectangle(mmc5rectangle_t *chan) +{ + int32 output; + +#ifdef APU_OVERSAMPLE + int num_times; + int32 total; +#endif /* APU_OVERSAMPLE */ + + /* reg0: 0-3=volume, 4=envelope, 5=hold, 6-7=duty cycle + ** reg1: 0-2=sweep shifts, 3=sweep inc/dec, 4-6=sweep length, 7=sweep on + ** reg2: 8 bits of freq + ** reg3: 0-2=high freq, 7-4=vbl length counter + */ + + APU_VOLUME_DECAY(chan->output_vol); + + if (FALSE == chan->enabled || 0 == chan->vbl_length) + return MMC5_RECTANGLE_OUTPUT; + + /* vbl length counter */ + if (FALSE == chan->holdnote) + chan->vbl_length--; + + /* envelope decay at a rate of (env_delay + 1) / 240 secs */ + chan->env_phase -= 4; /* 240/60 */ + while (chan->env_phase < 0) + { + chan->env_phase += chan->env_delay; + + if (chan->holdnote) + chan->env_vol = (chan->env_vol + 1) & 0x0F; + else if (chan->env_vol < 0x0F) + chan->env_vol++; + } + + if (chan->freq < APU_TO_FIXED(4)) + return MMC5_RECTANGLE_OUTPUT; + + chan->phaseacc -= mmc5_incsize; /* # of cycles per sample */ + if (chan->phaseacc >= 0) + return MMC5_RECTANGLE_OUTPUT; + +#ifdef APU_OVERSAMPLE + num_times = total = 0; + + if (chan->fixed_envelope) + output = chan->volume << 8; /* fixed volume */ + else + output = (chan->env_vol ^ 0x0F) << 8; +#endif + + while (chan->phaseacc < 0) + { + chan->phaseacc += chan->freq; + chan->adder = (chan->adder + 1) & 0x0F; + +#ifdef APU_OVERSAMPLE + if (chan->adder < chan->duty_flip) + total += output; + else + total -= output; + + num_times++; +#endif + } + +#ifdef APU_OVERSAMPLE + chan->output_vol = total / num_times; +#else + if (chan->fixed_envelope) + output = chan->volume << 8; /* fixed volume */ + else + output = (chan->env_vol ^ 0x0F) << 8; + + if (0 == chan->adder) + chan->output_vol = output; + else if (chan->adder == chan->duty_flip) + chan->output_vol = -output; +#endif + + return MMC5_RECTANGLE_OUTPUT; +} + +static uint8 mmc5_read(uint32 address) +{ + uint32 retval; + + retval = (uint32) (mul[0] * mul[1]); + + switch (address) + { + case 0x5205: + return (uint8) retval; + + case 0x5206: + return (uint8) (retval >> 8); + + default: + return 0xFF; + } +} + +/* mix vrcvi sound channels together */ +static int32 mmc5_process(void) +{ + int32 accum; + + accum = mmc5_rectangle(&mmc5rect[0]); + accum += mmc5_rectangle(&mmc5rect[1]); + if (mmc5dac.enabled) + accum += mmc5dac.output; + + return accum; +} + +/* write to registers */ +static void mmc5_write(uint32 address, uint8 value) +{ + int chan; + + switch (address) + { + /* rectangles */ + case MMC5_WRA0: + case MMC5_WRB0: + chan = (address & 4) ? 1 : 0; + mmc5rect[chan].regs[0] = value; + + mmc5rect[chan].volume = value & 0x0F; + mmc5rect[chan].env_delay = decay_lut[value & 0x0F]; + mmc5rect[chan].holdnote = (value & 0x20) ? TRUE : FALSE; + mmc5rect[chan].fixed_envelope = (value & 0x10) ? TRUE : FALSE; + mmc5rect[chan].duty_flip = duty_lut[value >> 6]; + break; + + case MMC5_WRA1: + case MMC5_WRB1: + break; + + case MMC5_WRA2: + case MMC5_WRB2: + chan = (address & 4) ? 1 : 0; + mmc5rect[chan].regs[2] = value; + if (mmc5rect[chan].enabled) + mmc5rect[chan].freq = APU_TO_FIXED((((mmc5rect[chan].regs[3] & 7) << 8) + value) + 1); + break; + + case MMC5_WRA3: + case MMC5_WRB3: + chan = (address & 4) ? 1 : 0; + mmc5rect[chan].regs[3] = value; + + if (mmc5rect[chan].enabled) + { + mmc5rect[chan].vbl_length = vbl_lut[value >> 3]; + mmc5rect[chan].env_vol = 0; + mmc5rect[chan].freq = APU_TO_FIXED((((value & 7) << 8) + mmc5rect[chan].regs[2]) + 1); + mmc5rect[chan].adder = 0; + } + break; + + case MMC5_SMASK: + if (value & 0x01) + mmc5rect[0].enabled = TRUE; + else + { + mmc5rect[0].enabled = FALSE; + mmc5rect[0].vbl_length = 0; + } + + if (value & 0x02) + mmc5rect[1].enabled = TRUE; + else + { + mmc5rect[1].enabled = FALSE; + mmc5rect[1].vbl_length = 0; + } + + break; + + case 0x5010: + if (value & 0x01) + mmc5dac.enabled = TRUE; + else + mmc5dac.enabled = FALSE; + break; + + case 0x5011: + mmc5dac.output = (value ^ 0x80) << 8; + break; + + case 0x5205: + mul[0] = value; + break; + + case 0x5206: + mul[1] = value; + break; + + default: + break; + } +} + +/* reset state of vrcvi sound channels */ +static void mmc5_reset(void) +{ + int i; + + /* get the phase period from the apu */ + mmc5_incsize = apu_getcyclerate(); + + for (i = 0x5000; i < 0x5008; i++) + mmc5_write(i, 0); + + mmc5_write(0x5010, 0); + mmc5_write(0x5011, 0); +} + +static void mmc5_init(void) +{ + int i; + int num_samples = apu_getcontext()->num_samples; + + /* lut used for enveloping and frequency sweeps */ + for (i = 0; i < 16; i++) + decay_lut[i] = num_samples * (i + 1); + + /* used for note length, based on vblanks and size of audio buffer */ + for (i = 0; i < 32; i++) + vbl_lut[i] = vbl_length[i] * num_samples; +} + +/* TODO: bleh */ +static void mmc5_shutdown(void) +{ +} + +static apu_memread mmc5_memread[] = +{ + { 0x5205, 0x5206, mmc5_read }, + { -1, -1, NULL } +}; + +static apu_memwrite mmc5_memwrite[] = +{ + { 0x5000, 0x5015, mmc5_write }, + { 0x5205, 0x5206, mmc5_write }, + { -1, -1, NULL } +}; + +apuext_t mmc5_ext = +{ + mmc5_init, + mmc5_shutdown, + mmc5_reset, + mmc5_process, + mmc5_memread, + mmc5_memwrite +}; + +/* +** $Log: mmc5_snd.c,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.6 2000/07/04 04:51:41 matt +** cleanups +** +** Revision 1.5 2000/07/03 02:18:53 matt +** much better external module exporting +** +** Revision 1.4 2000/06/28 22:03:51 matt +** fixed stupid oversight +** +** Revision 1.3 2000/06/20 20:46:58 matt +** minor cleanups +** +** Revision 1.2 2000/06/20 04:06:16 matt +** migrated external sound definition to apu module +** +** Revision 1.1 2000/06/20 00:06:47 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/mmc5_snd.h b/contrib/nosefart/mmc5_snd.h new file mode 100644 index 000000000..256cc2285 --- /dev/null +++ b/contrib/nosefart/mmc5_snd.h @@ -0,0 +1,82 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** mmc5_snd.h +** +** Nintendo MMC5 sound emulation header +** $Id: mmc5_snd.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#ifndef _MMC5_SND_H_ +#define _MMC5_SND_H_ + +#define MMC5_WRA0 0x5000 +#define MMC5_WRA1 0x5001 +#define MMC5_WRA2 0x5002 +#define MMC5_WRA3 0x5003 +#define MMC5_WRB0 0x5004 +#define MMC5_WRB1 0x5005 +#define MMC5_WRB2 0x5006 +#define MMC5_WRB3 0x5007 +#define MMC5_SMASK 0x5015 + +typedef struct mmc5rectangle_s +{ + uint8 regs[4]; + + boolean enabled; + + int32 phaseacc; + int32 freq; + int32 output_vol; + boolean fixed_envelope; + boolean holdnote; + uint8 volume; + + int32 env_phase; + int32 env_delay; + uint8 env_vol; + + int vbl_length; + uint8 adder; + int duty_flip; +} mmc5rectangle_t; + + +#include "nes_apu.h" + +extern apuext_t mmc5_ext; + +#endif /* !_MMC5_SND_H_ */ + +/* +** $Log: mmc5_snd.h,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.2 2000/06/20 04:06:16 matt +** migrated external sound definition to apu module +** +** Revision 1.1 2000/06/20 00:06:47 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/nes6502.c b/contrib/nosefart/nes6502.c new file mode 100644 index 000000000..f1ca80af4 --- /dev/null +++ b/contrib/nosefart/nes6502.c @@ -0,0 +1,2386 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** nes6502.c +** +** NES custom 6502 (2A03) CPU implementation +** $Id: nes6502.c,v 1.2 2003/01/09 19:50:03 jkeil Exp $ +*/ + + +#include "types.h" +#include "nes6502.h" +#include "dis6502.h" +#include + + +#define ADD_CYCLES(x) instruction_cycles += (x) +#define INC_CYCLES() instruction_cycles++ +//#define ADD_CYCLES(x) remaining_cycles -= (x) +//#define INC_CYCLES() remaining_cycles-- + +/* +** Check to see if an index reg addition overflowed to next page +*/ +#define CHECK_INDEX_OVERFLOW(addr, reg) \ +{ \ + if ((uint8) (addr) < (reg)) \ + INC_CYCLES(); \ +} + +/* +** Addressing mode macros +*/ + +#define NO_READ(value) /* empty */ + +#define IMMEDIATE_BYTE(value) \ +{ \ + value = bank_readbyte(PC++); \ +} + + +#define ABSOLUTE_ADDR(address) \ +{ \ + address = bank_readaddress(PC); \ + PC += 2; \ +} + +#define ABSOLUTE(address, value) \ +{ \ + ABSOLUTE_ADDR(address); \ + value = mem_read(address); \ +} + +#define ABSOLUTE_BYTE(value) \ +{ \ + ABSOLUTE(temp, value); \ +} + +#define ABS_IND_X_ADDR(address) \ +{ \ + address = (bank_readaddress(PC) + X) & 0xFFFF; \ + PC += 2; \ + CHECK_INDEX_OVERFLOW(address, X); \ +} + +#define ABS_IND_X(address, value) \ +{ \ + ABS_IND_X_ADDR(address); \ + value = mem_read(address); \ +} + +#define ABS_IND_X_BYTE(value) \ +{ \ + ABS_IND_X(temp, value); \ +} + +#define ABS_IND_Y_ADDR(address) \ +{ \ + address = (bank_readaddress(PC) + Y) & 0xFFFF; \ + PC += 2; \ + CHECK_INDEX_OVERFLOW(address, Y); \ +} + +#define ABS_IND_Y(address, value) \ +{ \ + ABS_IND_Y_ADDR(address); \ + value = mem_read(address); \ +} + +#define ABS_IND_Y_BYTE(value) \ +{ \ + ABS_IND_Y(temp, value); \ +} + +#define ZERO_PAGE_ADDR(address) \ +{ \ + IMMEDIATE_BYTE(address); \ +} + +#define ZERO_PAGE(address, value) \ +{ \ + ZERO_PAGE_ADDR(address); \ + value = ZP_READ(address); \ +} + +#define ZERO_PAGE_BYTE(value) \ +{ \ + ZERO_PAGE(btemp, value); \ +} + +/* Zero-page indexed Y doesn't really exist, just for LDX / STX */ +#define ZP_IND_X_ADDR(address) \ +{ \ + address = bank_readbyte(PC++) + X; \ +} + +#define ZP_IND_X(bAddr, value) \ +{ \ + ZP_IND_X_ADDR(bAddr); \ + value = ZP_READ(bAddr); \ +} + +#define ZP_IND_X_BYTE(value) \ +{ \ + ZP_IND_X(btemp, value); \ +} + +#define ZP_IND_Y_ADDR(address) \ +{ \ + address = bank_readbyte(PC++) + Y; \ +} + +#define ZP_IND_Y(address, value) \ +{ \ + ZP_IND_Y_ADDR(address); \ + value = ZP_READ(address); \ +} + +#define ZP_IND_Y_BYTE(value) \ +{ \ + ZP_IND_Y(btemp, value); \ +} + +/* +** For conditional jump relative instructions +** (BCC, BCS, BEQ, BMI, BNE, BPL, BVC, BVS) +*/ +#define RELATIVE_JUMP(cond) \ +{ \ + if (cond) \ + { \ + IMMEDIATE_BYTE(btemp); \ + if (((int8) btemp + (uint8) PC) & 0xFF00) \ + ADD_CYCLES(4); \ + else \ + ADD_CYCLES(3); \ + PC += ((int8) btemp); \ + } \ + else \ + { \ + PC++; \ + ADD_CYCLES(2); \ + } \ +} + +/* +** This is actually indexed indirect, but I call it +** indirect X to avoid confusion +*/ +#define INDIR_X_ADDR(address) \ +{ \ + btemp = bank_readbyte(PC++) + X; \ + address = zp_address(btemp); \ +} + +#define INDIR_X(address, value) \ +{ \ + INDIR_X_ADDR(address); \ + value = mem_read(address); \ +} + +#define INDIR_X_BYTE(value) \ +{ \ + INDIR_X(temp, value); \ +} + +/* +** This is actually indirect indexed, but I call it +** indirect y to avoid confusion +*/ +#define INDIR_Y_ADDR(address) \ +{ \ + IMMEDIATE_BYTE(btemp); \ + address = (zp_address(btemp) + Y) & 0xFFFF; \ + /* ???? */ \ + CHECK_INDEX_OVERFLOW(address, Y); \ +} + +#define INDIR_Y(address, value) \ +{ \ + INDIR_Y_ADDR(address); \ + value = mem_read(address); \ +} + +#define INDIR_Y_BYTE(value) \ +{ \ + /*IMMEDIATE_BYTE(btemp); \ + temp = zp_address(btemp) + Y; \ + CHECK_INDEX_OVERFLOW(temp, Y); \ + value = mem_read(temp);*/ \ + INDIR_Y(temp, value); \ +} + + +#define JUMP(address) PC = bank_readaddress((address)) + +/* +** Interrupt macros +*/ +#define NMI() \ +{ \ + PUSH(PC >> 8); \ + PUSH(PC & 0xFF); \ + CLEAR_FLAG(B_FLAG); \ + PUSH(P); \ + SET_FLAG(I_FLAG); \ + JUMP(NMI_VECTOR); \ + int_pending &= ~NMI_MASK; \ + ADD_CYCLES(INT_CYCLES); \ +} + +#define IRQ() \ +{ \ + PUSH(PC >> 8); \ + PUSH(PC & 0xFF); \ + CLEAR_FLAG(B_FLAG); \ + PUSH(P); \ + SET_FLAG(I_FLAG); \ + JUMP(IRQ_VECTOR); \ + int_pending &= ~IRQ_MASK; \ + ADD_CYCLES(INT_CYCLES); \ +} + +/* +** Instruction macros +*/ + +/* Warning! NES CPU has no decimal mode, so by default this does no BCD! */ +#ifdef NES6502_DECIMAL +#define ADC(cycles, read_func) \ +{ \ + read_func(data); \ + if (P & D_FLAG) \ + { \ + temp = (A & 0x0F) + (data & 0x0F) + (P & C_FLAG); \ + if (temp >= 10) \ + temp = (temp - 10) | 0x10; \ + temp += (A & 0xF0) + (data & 0xF0); \ + TEST_AND_FLAG(0 == ((A + data + (P & C_FLAG)) & 0xFF), Z_FLAG); \ + TEST_AND_FLAG(temp & 0x80, N_FLAG); \ + TEST_AND_FLAG(((~(A ^ data)) & (A ^ temp) & 0x80), V_FLAG); \ + if (temp > 0x9F) \ + temp += 0x60; \ + TEST_AND_FLAG(temp > 0xFF, C_FLAG); \ + A = (uint8) temp; \ + } \ + else \ + { \ + temp = A + data + (P & C_FLAG); \ + /* Set C on carry */ \ + TEST_AND_FLAG(temp > 0xFF, C_FLAG); \ + /* Set V on overflow */ \ + TEST_AND_FLAG(((~(A ^ data)) & (A ^ temp) & 0x80), V_FLAG); \ + A = (uint8) temp; \ + SET_NZ_FLAGS(A); \ + }\ + ADD_CYCLES(cycles); \ +} +#else +#define ADC(cycles, read_func) \ +{ \ + read_func(data); \ + temp = A + data + (P & C_FLAG); \ + /* Set C on carry */ \ + TEST_AND_FLAG(temp > 0xFF, C_FLAG); \ + /* Set V on overflow */ \ + TEST_AND_FLAG(((~(A ^ data)) & (A ^ temp) & 0x80), V_FLAG); \ + A = (uint8) temp; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} +#endif /* NES6502_DECIMAL */ + +/* undocumented */ +#define ANC(cycles, read_func) \ +{ \ + read_func(data); \ + A &= data; \ + SET_NZ_FLAGS(A); \ + TEST_AND_FLAG(P & N_FLAG, C_FLAG); \ + ADD_CYCLES(cycles); \ +} + +#define AND(cycles, read_func) \ +{ \ + read_func(data); \ + A &= data; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +/* undocumented */ +#define ANE(cycles, read_func) \ +{ \ + read_func(data); \ + A = (A | 0xEE) & X & data; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +/* undocumented */ +#ifdef NES6502_DECIMAL +#define ARR(cycles, read_func) \ +{ \ + read_func(data); \ + data &= A; \ + if (P & D_FLAG) \ + { \ + temp = (data >> 1) | ((P & C_FLAG) << 7); \ + SET_NZ_FLAGS(temp); \ + TEST_AND_FLAG((temp ^ data) & 0x40, V_FLAG); \ + if (((data & 0x0F) + (data & 0x01)) > 5) \ + temp = (temp & 0xF0) | ((temp + 0x6) & 0x0F); \ + if (((data & 0xF0) + (data & 0x10)) > 0x50) \ + { \ + temp = (temp & 0x0F) | ((temp + 0x60) & 0xF0); \ + SET_FLAG(C_FLAG); \ + } \ + else \ + CLEAR_FLAG(C_FLAG); \ + A = (uint8) temp; \ + } \ + else \ + { \ + A = (data >> 1) | ((P & C_FLAG) << 7); \ + SET_NZ_FLAGS(A); \ + TEST_AND_FLAG(A & 0x40, C_FLAG); \ + TEST_AND_FLAG(((A >> 6) ^ (A >> 5)) & 1, V_FLAG); \ + }\ + ADD_CYCLES(cycles); \ +} +#else +#define ARR(cycles, read_func) \ +{ \ + read_func(data); \ + data &= A; \ + A = (data >> 1) | ((P & C_FLAG) << 7); \ + SET_NZ_FLAGS(A); \ + TEST_AND_FLAG(A & 0x40, C_FLAG); \ + TEST_AND_FLAG((A >> 6) ^ (A >> 5), V_FLAG); \ + ADD_CYCLES(cycles); \ +} +#endif /* NES6502_DECIMAL */ + +#define ASL(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + TEST_AND_FLAG(data & 0x80, C_FLAG); \ + data <<= 1; \ + write_func(addr, data); \ + SET_NZ_FLAGS(data); \ + ADD_CYCLES(cycles); \ +} + +#define ASL_A() \ +{ \ + TEST_AND_FLAG(A & 0x80, C_FLAG); \ + A <<= 1; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(2); \ +} + +/* undocumented */ +#define ASR(cycles, read_func) \ +{ \ + read_func(data); \ + data &= A; \ + TEST_AND_FLAG(data & 0x01, C_FLAG); \ + A = data >> 1; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +#define BCC() \ +{ \ + RELATIVE_JUMP((IS_FLAG_CLEAR(C_FLAG))); \ +} + +#define BCS() \ +{ \ + RELATIVE_JUMP((IS_FLAG_SET(C_FLAG))); \ +} + +#define BEQ() \ +{ \ + RELATIVE_JUMP((IS_FLAG_SET(Z_FLAG))); \ +} + +#define BIT(cycles, read_func) \ +{ \ + read_func(data); \ + TEST_AND_FLAG(0 == (data & A), Z_FLAG);\ + CLEAR_FLAG(N_FLAG | V_FLAG); \ + /* move bit 7/6 of data into N/V flags */ \ + SET_FLAG(data & (N_FLAG | V_FLAG)); \ + ADD_CYCLES(cycles); \ +} + +#define BMI() \ +{ \ + RELATIVE_JUMP((IS_FLAG_SET(N_FLAG))); \ +} + +#define BNE() \ +{ \ + RELATIVE_JUMP((IS_FLAG_CLEAR(Z_FLAG))); \ +} + +#define BPL() \ +{ \ + RELATIVE_JUMP((IS_FLAG_CLEAR(N_FLAG))); \ +} + +/* Software interrupt type thang */ +#define BRK() \ +{ \ + PC++; \ + PUSH(PC >> 8); \ + PUSH(PC & 0xFF); \ + SET_FLAG(B_FLAG); \ + PUSH(P); \ + SET_FLAG(I_FLAG); \ + JUMP(IRQ_VECTOR); \ + ADD_CYCLES(7); \ +} + +#define BVC() \ +{ \ + RELATIVE_JUMP((IS_FLAG_CLEAR(V_FLAG))); \ +} + +#define BVS() \ +{ \ + RELATIVE_JUMP((IS_FLAG_SET(V_FLAG))); \ +} + +#define CLC() \ +{ \ + CLEAR_FLAG(C_FLAG); \ + ADD_CYCLES(2); \ +} + +#define CLD() \ +{ \ + CLEAR_FLAG(D_FLAG); \ + ADD_CYCLES(2); \ +} + +#define CLI() \ +{ \ + CLEAR_FLAG(I_FLAG); \ + ADD_CYCLES(2); \ +} + +#define CLV() \ +{ \ + CLEAR_FLAG(V_FLAG); \ + ADD_CYCLES(2); \ +} + +/* TODO: ick! */ +#define _COMPARE(reg, value) \ +{ \ + temp = (reg) - (value); \ + /* C is clear when data > A */ \ + TEST_AND_FLAG(0 == (temp & 0x8000), C_FLAG); \ + SET_NZ_FLAGS((uint8) temp); /* handles Z flag */ \ +} + +#define CMP(cycles, read_func) \ +{ \ + read_func(data); \ + _COMPARE(A, data); \ + ADD_CYCLES(cycles); \ +} + +#define CPX(cycles, read_func) \ +{ \ + read_func(data); \ + _COMPARE(X, data); \ + ADD_CYCLES(cycles); \ +} + +#define CPY(cycles, read_func) \ +{ \ + read_func(data); \ + _COMPARE(Y, data); \ + ADD_CYCLES(cycles); \ +} + +/* undocumented */ +#define DCP(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + data--; \ + write_func(addr, data); \ + CMP(cycles, NO_READ); \ +} + +#define DEC(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + data--; \ + write_func(addr, data); \ + SET_NZ_FLAGS(data); \ + ADD_CYCLES(cycles); \ +} + +#define DEX() \ +{ \ + X--; \ + SET_NZ_FLAGS(X); \ + ADD_CYCLES(2); \ +} + +#define DEY() \ +{ \ + Y--; \ + SET_NZ_FLAGS(Y); \ + ADD_CYCLES(2); \ +} + +/* undocumented (double-NOP) */ +#define DOP(cycles) \ +{ \ + PC++; \ + ADD_CYCLES(cycles); \ +} + +#define EOR(cycles, read_func) \ +{ \ + read_func(data); \ + A ^= data; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +#define INC(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + data++; \ + write_func(addr, data); \ + SET_NZ_FLAGS(data); \ + ADD_CYCLES(cycles); \ +} + +#define INX() \ +{ \ + X++; \ + SET_NZ_FLAGS(X); \ + ADD_CYCLES(2); \ +} + +#define INY() \ +{ \ + Y++; \ + SET_NZ_FLAGS(Y); \ + ADD_CYCLES(2); \ +} + +/* undocumented */ +#define ISB(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + data++; \ + write_func(addr, data); \ + SBC(cycles, NO_READ); \ +} + +#ifdef NES6502_TESTOPS +#define JAM() \ +{ \ + cpu_Jam(); \ +} +#elif defined(NSF_PLAYER) +#define JAM() \ +{ \ +} +#else +#define JAM() \ +{ \ + char jambuf[20]; \ + sprintf(jambuf, "JAM: PC=$%04X", PC); \ + ASSERT_MSG(jambuf); \ + ADD_CYCLES(2); \ +} +#endif /* NES6502_TESTOPS */ + +#define JMP_INDIRECT() \ +{ \ + temp = bank_readaddress(PC); \ + /* bug in crossing page boundaries */ \ + if (0xFF == (uint8) temp) \ + PC = (bank_readbyte(temp & ~0xFF) << 8) | bank_readbyte(temp); \ + else \ + JUMP(temp); \ + ADD_CYCLES(5); \ +} + +#define JMP_ABSOLUTE() \ +{ \ + JUMP(PC); \ + ADD_CYCLES(3); \ +} + +#define JSR() \ +{ \ + PC++; \ + PUSH(PC >> 8); \ + PUSH(PC & 0xFF); \ + JUMP(PC - 1); \ + ADD_CYCLES(6); \ +} + +/* undocumented */ +#define LAS(cycles, read_func) \ +{ \ + read_func(data); \ + A = X = S = (S & data); \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +/* undocumented */ +#define LAX(cycles, read_func) \ +{ \ + read_func(A); \ + X = A; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +#define LDA(cycles, read_func) \ +{ \ + read_func(A); \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +#define LDX(cycles, read_func) \ +{ \ + read_func(X); \ + SET_NZ_FLAGS(X);\ + ADD_CYCLES(cycles); \ +} + +#define LDY(cycles, read_func) \ +{ \ + read_func(Y); \ + SET_NZ_FLAGS(Y);\ + ADD_CYCLES(cycles); \ +} + +#define LSR(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + TEST_AND_FLAG(data & 0x01, C_FLAG); \ + data >>= 1; \ + write_func(addr, data); \ + SET_NZ_FLAGS(data); \ + ADD_CYCLES(cycles); \ +} + +#define LSR_A() \ +{ \ + TEST_AND_FLAG(A & 0x01, C_FLAG); \ + A >>= 1; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(2); \ +} + +/* undocumented */ +#define LXA(cycles, read_func) \ +{ \ + read_func(data); \ + A = X = ((A | 0xEE) & data); \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +#define NOP() \ +{ \ + ADD_CYCLES(2); \ +} + +#define ORA(cycles, read_func) \ +{ \ + read_func(data); \ + A |= data; \ + SET_NZ_FLAGS(A);\ + ADD_CYCLES(cycles); \ +} + +#define PHA() \ +{ \ + PUSH(A); \ + ADD_CYCLES(3); \ +} + +#define PHP() \ +{ \ + /* B flag is pushed on stack as well */ \ + PUSH((P | B_FLAG)); \ + ADD_CYCLES(3); \ +} + +#define PLA() \ +{ \ + A = PULL(); \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(4); \ +} + +#define PLP() \ +{ \ + P = PULL(); \ + SET_FLAG(R_FLAG); /* ensure reserved flag is set */ \ + ADD_CYCLES(4); \ +} + +/* undocumented */ +#define RLA(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + if (P & C_FLAG) \ + { \ + TEST_AND_FLAG(data & 0x80, C_FLAG); \ + data = (data << 1) | 1; \ + } \ + else \ + { \ + TEST_AND_FLAG(data & 0x80, C_FLAG); \ + data <<= 1; \ + } \ + write_func(addr, data); \ + A &= data; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +/* 9-bit rotation (carry flag used for rollover) */ +#define ROL(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + if (P & C_FLAG) \ + { \ + TEST_AND_FLAG(data & 0x80, C_FLAG); \ + data = (data << 1) | 1; \ + } \ + else \ + { \ + TEST_AND_FLAG(data & 0x80, C_FLAG); \ + data <<= 1; \ + } \ + write_func(addr, data); \ + SET_NZ_FLAGS(data); \ + ADD_CYCLES(cycles); \ +} + +#define ROL_A() \ +{ \ + if (P & C_FLAG) \ + { \ + TEST_AND_FLAG(A & 0x80, C_FLAG); \ + A = (A << 1) | 1; \ + } \ + else \ + { \ + TEST_AND_FLAG(A & 0x80, C_FLAG); \ + A <<= 1; \ + } \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(2); \ +} + +#define ROR(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + if (P & C_FLAG) \ + { \ + TEST_AND_FLAG(data & 1, C_FLAG); \ + data = (data >> 1) | 0x80; \ + } \ + else \ + { \ + TEST_AND_FLAG(data & 1, C_FLAG); \ + data >>= 1; \ + } \ + write_func(addr, data); \ + SET_NZ_FLAGS(data); \ + ADD_CYCLES(cycles); \ +} + +#define ROR_A() \ +{ \ + if (P & C_FLAG) \ + { \ + TEST_AND_FLAG(A & 1, C_FLAG); \ + A = (A >> 1) | 0x80; \ + } \ + else \ + { \ + TEST_AND_FLAG(A & 1, C_FLAG); \ + A >>= 1; \ + } \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(2); \ +} + +/* undocumented */ +#define RRA(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + if (P & C_FLAG) \ + { \ + TEST_AND_FLAG(data & 1, C_FLAG); \ + data = (data >> 1) | 0x80; \ + } \ + else \ + { \ + TEST_AND_FLAG(data & 1, C_FLAG); \ + data >>= 1; \ + } \ + write_func(addr, data); \ + ADC(cycles, NO_READ); \ +} + +#define RTI() \ +{ \ + P = PULL(); \ + SET_FLAG(R_FLAG); /* ensure reserved flag is set */ \ + PC = PULL(); \ + PC |= PULL() << 8; \ + ADD_CYCLES(6); \ +} + +#define RTS() \ +{ \ + PC = PULL(); \ + PC = (PC | (PULL() << 8)) + 1; \ + ADD_CYCLES(6); \ +} + +/* undocumented */ +#define SAX(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr); \ + data = A & X; \ + write_func(addr, data); \ + ADD_CYCLES(cycles); \ +} + +/* Warning! NES CPU has no decimal mode, so by default this does no BCD! */ +#ifdef NES6502_DECIMAL +#define SBC(cycles, read_func) \ +{ \ + read_func(data); \ + /* NOT(C) is considered borrow */ \ + temp = A - data - ((P & C_FLAG) ^ C_FLAG); \ + if (P & D_FLAG) \ + { \ + uint8 al, ah; \ + al = (A & 0x0F) - (data & 0x0F) - ((P & C_FLAG) ^ C_FLAG); \ + ah = (A >> 4) - (data >> 4); \ + if (al & 0x10) \ + { \ + al -= 6; \ + ah--; \ + } \ + if (ah & 0x10) \ + ah -= 6; \ + TEST_AND_FLAG(temp < 0x100, C_FLAG); \ + TEST_AND_FLAG(((A ^ temp) & 0x80) && ((A ^ data) & 0x80), V_FLAG); \ + SET_NZ_FLAGS(temp & 0xFF); \ + A = (ah << 4) | (al & 0x0F); \ + } \ + else \ + { \ + TEST_AND_FLAG(((A ^ temp) & 0x80) && ((A ^ data) & 0x80), V_FLAG); \ + TEST_AND_FLAG(temp < 0x100, C_FLAG); \ + A = (uint8) temp; \ + SET_NZ_FLAGS(A & 0xFF); \ + } \ + ADD_CYCLES(cycles); \ +} +#else +#define SBC(cycles, read_func) \ +{ \ + read_func(data); \ + temp = A - data - ((P & C_FLAG) ^ C_FLAG); \ + TEST_AND_FLAG(((A ^ data) & (A ^ temp) & 0x80), V_FLAG); \ + TEST_AND_FLAG(temp < 0x100, C_FLAG); \ + A = (uint8) temp; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} +#endif /* NES6502_DECIMAL */ + +/* undocumented */ +#define SBX(cycles, read_func) \ +{ \ + read_func(data); \ + temp = (A & X) - data; \ + TEST_AND_FLAG(temp < 0x100, C_FLAG); \ + X = temp & 0xFF; \ + SET_NZ_FLAGS(X); \ + ADD_CYCLES(cycles); \ +} + +#define SEC() \ +{ \ + SET_FLAG(C_FLAG); \ + ADD_CYCLES(2); \ +} + +#define SED() \ +{ \ + SET_FLAG(D_FLAG); \ + ADD_CYCLES(2); \ +} + +#define SEI() \ +{ \ + SET_FLAG(I_FLAG); \ + ADD_CYCLES(2); \ +} + +/* undocumented */ +#define SHA(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr); \ + data = A & X & ((uint8) ((addr >> 8) + 1)); \ + write_func(addr, data); \ + ADD_CYCLES(cycles); \ +} + +/* undocumented */ +#define SHS(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr); \ + S = A & X; \ + data = S & ((uint8) ((addr >> 8) + 1)); \ + write_func(addr, data); \ + ADD_CYCLES(cycles); \ +} + +/* undocumented */ +#define SHX(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr); \ + data = X & ((uint8) ((addr >> 8) + 1)); \ + write_func(addr, data); \ + ADD_CYCLES(cycles); \ +} + +/* undocumented */ +#define SHY(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr); \ + data = Y & ((uint8) ((addr >> 8 ) + 1)); \ + write_func(addr, data); \ + ADD_CYCLES(cycles); \ +} + +/* undocumented */ +#define SLO(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + TEST_AND_FLAG(data & 0x80, C_FLAG); \ + data <<= 1; \ + write_func(addr, data); \ + A |= data; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +/* unoffical */ +#define SRE(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr, data); \ + TEST_AND_FLAG(data & 1, C_FLAG); \ + data >>= 1; \ + write_func(addr, data); \ + A ^= data; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(cycles); \ +} + +#define STA(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr); \ + write_func(addr, A); \ + ADD_CYCLES(cycles); \ +} + +#define STX(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr); \ + write_func(addr, X); \ + ADD_CYCLES(cycles); \ +} + +#define STY(cycles, read_func, write_func, addr) \ +{ \ + read_func(addr); \ + write_func(addr, Y); \ + ADD_CYCLES(cycles); \ +} + +#define TAX() \ +{ \ + X = A; \ + SET_NZ_FLAGS(X);\ + ADD_CYCLES(2); \ +} + +#define TAY() \ +{ \ + Y = A; \ + SET_NZ_FLAGS(Y);\ + ADD_CYCLES(2); \ +} + +/* undocumented (triple-NOP) */ +#define TOP() \ +{ \ + PC += 2; \ + ADD_CYCLES(4); \ +} + +#define TSX() \ +{ \ + X = S; \ + SET_NZ_FLAGS(X);\ + ADD_CYCLES(2); \ +} + +#define TXA() \ +{ \ + A = X; \ + SET_NZ_FLAGS(A);\ + ADD_CYCLES(2); \ +} + +#define TXS() \ +{ \ + S = X; \ + ADD_CYCLES(2); \ +} + +#define TYA() \ +{ \ + A = Y; \ + SET_NZ_FLAGS(A); \ + ADD_CYCLES(2); \ +} + + +/* +** Stack and data fetching macros +*/ + +/* Set/clear/test bits in the flags register */ +#define SET_FLAG(mask) P |= (mask) +#define CLEAR_FLAG(mask) P &= ~(mask) +#define IS_FLAG_SET(mask) (P & (mask)) +#define IS_FLAG_CLEAR(mask) (0 == IS_FLAG_SET((mask))) + +#define TEST_AND_FLAG(test, mask) \ +{ \ + if ((test)) \ + SET_FLAG((mask)); \ + else \ + CLEAR_FLAG((mask)); \ +} + + +/* +** flag register helper macros +*/ + +/* register push/pull */ +#define PUSH(value) stack_page[S--] = (uint8) (value) +#define PULL() stack_page[++S] + +/* Sets the Z and N flags based on given data, taken from precomputed table */ +#define SET_NZ_FLAGS(value) P &= ~(N_FLAG | Z_FLAG); \ + P |= flag_table[(value)] + +#define GET_GLOBAL_REGS() \ +{ \ + PC = reg_PC; \ + A = reg_A; \ + X = reg_X; \ + Y = reg_Y; \ + P = reg_P; \ + S = reg_S; \ +} + +#define SET_LOCAL_REGS() \ +{ \ + reg_PC = PC; \ + reg_A = A; \ + reg_X = X; \ + reg_Y = Y; \ + reg_P = P; \ + reg_S = S; \ +} + + +/* static data */ +static nes6502_memread *pmem_read, *pmr; +static nes6502_memwrite *pmem_write, *pmw; + +/* lookup table for N/Z flags */ +static uint8 flag_table[256]; + +/* internal critical CPU vars */ +static uint32 reg_PC; +static uint8 reg_A, reg_P, reg_X, reg_Y, reg_S; +static uint8 int_pending; +static int dma_cycles; + +/* execution cycle count (can be reset by user) */ +static uint32 total_cycles = 0; + +/* memory region pointers */ +static uint8 *nes6502_banks[NES6502_NUMBANKS]; +static uint8 *ram = NULL; +static uint8 *stack_page = NULL; + + +/* +** Zero-page helper macros +*/ + +#define ZP_READ(addr) ram[(addr)] +#define ZP_WRITE(addr, value) ram[(addr)] = (uint8) (value) + + +INLINE uint8 bank_readbyte(register uint32 address) +{ + ASSERT(nes6502_banks[address >> NES6502_BANKSHIFT]); + return nes6502_banks[address >> NES6502_BANKSHIFT][address & NES6502_BANKMASK]; +} + +INLINE void bank_writebyte(register uint32 address, register uint8 value) +{ + ASSERT(nes6502_banks[address >> NES6502_BANKSHIFT]); + nes6502_banks[address >> NES6502_BANKSHIFT][address & NES6502_BANKMASK] = value; +} + +INLINE uint32 zp_address(register uint8 address) +{ + uint8 *x = ram + address; + return (x[1] << 8) | x[0]; +} + +INLINE uint32 bank_readaddress(register uint32 address) +{ + uint8 *x = nes6502_banks[address >> NES6502_BANKSHIFT] + (address & NES6502_BANKMASK); + return (x[1] << 8) | x[0]; +} + +/* read a byte of 6502 memory */ +static uint8 mem_read(uint32 address) +{ + /* TODO: following cases are N2A03-specific */ + /* RAM */ + if (address < 0x800) + return ram[address]; + /* always paged memory */ +// else if (address >= 0x6000) + else if (address >= 0x8000) + return bank_readbyte(address); + /* check memory range handlers */ + else + { + for (pmr = pmem_read; pmr->min_range != 0xFFFFFFFF; pmr++) + { + if ((address >= pmr->min_range) && (address <= pmr->max_range)) + return pmr->read_func(address); + } + } + + /* return paged memory */ + return bank_readbyte(address); +} + +/* write a byte of data to 6502 memory */ +static void mem_write(uint32 address, uint8 value) +{ + /* RAM */ + if (address < 0x800) + { + ram[address] = value; + return; + } + /* check memory range handlers */ + else + { + for (pmw = pmem_write; pmw->min_range != 0xFFFFFFFF; pmw++) + { + if ((address >= pmw->min_range) && (address <= pmw->max_range)) + { + pmw->write_func(address, value); + return; + } + } + } + + /* write to paged memory */ + bank_writebyte(address, value); +} + +/* set the current context */ +void nes6502_setcontext(nes6502_context *cpu) +{ + int loop; + + ASSERT(cpu); + + /* Set the page pointers */ + for (loop = 0; loop < NES6502_NUMBANKS; loop++) + nes6502_banks[loop] = cpu->mem_page[loop]; + + ram = nes6502_banks[0]; /* quicker zero-page/RAM references */ + stack_page = ram + STACK_OFFSET; + + pmem_read = cpu->read_handler; + pmem_write = cpu->write_handler; + + reg_PC = cpu->pc_reg; + reg_A = cpu->a_reg; + reg_P = cpu->p_reg; + reg_X = cpu->x_reg; + reg_Y = cpu->y_reg; + reg_S = cpu->s_reg; + int_pending = cpu->int_pending; + dma_cycles = cpu->dma_cycles; +} + +/* get the current context */ +void nes6502_getcontext(nes6502_context *cpu) +{ + int loop; + + /* Set the page pointers */ + for (loop = 0; loop < NES6502_NUMBANKS; loop++) + cpu->mem_page[loop] = nes6502_banks[loop]; + + cpu->read_handler = pmem_read; + cpu->write_handler = pmem_write; + + cpu->pc_reg = reg_PC; + cpu->a_reg = reg_A; + cpu->p_reg = reg_P; + cpu->x_reg = reg_X; + cpu->y_reg = reg_Y; + cpu->s_reg = reg_S; + cpu->int_pending = int_pending; + cpu->dma_cycles = dma_cycles; +} + +/* DMA a byte of data from ROM */ +uint8 nes6502_getbyte(uint32 address) +{ + return bank_readbyte(address); +} + +/* get number of elapsed cycles */ +uint32 nes6502_getcycles(boolean reset_flag) +{ + uint32 cycles = total_cycles; + + if (reset_flag) + total_cycles = 0; + + return cycles; +} + + +/* Execute instructions until count expires +** +** Returns the number of cycles *actually* executed +** (note that this can be from 0-6 cycles more than you wanted) +*/ +int nes6502_execute(int remaining_cycles) +{ + int instruction_cycles, old_cycles = total_cycles; + uint32 temp, addr; /* for macros */ + uint32 PC; + uint8 A, X, Y, P, S; + uint8 opcode, data; + uint8 btemp, baddr; /* for macros */ + + GET_GLOBAL_REGS(); + + /* Continue until we run out of cycles */ + while (remaining_cycles > 0) + { + instruction_cycles = 0; + + /* check for DMA cycle burning */ + if (dma_cycles) + { + if (remaining_cycles <= dma_cycles) + { + dma_cycles -= remaining_cycles; + total_cycles += remaining_cycles; + goto _execute_done; + } + else + { + remaining_cycles -= dma_cycles; + total_cycles += dma_cycles; + dma_cycles = 0; + } + } + + if (int_pending) + { + /* NMI has highest priority */ + if (int_pending & NMI_MASK) + { + NMI(); + } + /* IRQ has lowest priority */ + else /* if (int_pending & IRQ_MASK) */ + { + if (IS_FLAG_CLEAR(I_FLAG)) + IRQ(); + } + } + + /* Fetch instruction */ + //nes6502_disasm(PC, P, A, X, Y, S); + + opcode = bank_readbyte(PC++); + + /* Execute instruction */ + switch (opcode) + { + case 0x00: /* BRK */ + BRK(); + break; + + case 0x01: /* ORA ($nn,X) */ + ORA(6, INDIR_X_BYTE); + break; + + /* JAM */ + case 0x02: /* JAM */ + case 0x12: /* JAM */ + case 0x22: /* JAM */ + case 0x32: /* JAM */ + case 0x42: /* JAM */ + case 0x52: /* JAM */ + case 0x62: /* JAM */ + case 0x72: /* JAM */ + case 0x92: /* JAM */ + case 0xB2: /* JAM */ + case 0xD2: /* JAM */ + case 0xF2: /* JAM */ + JAM(); + /* kill switch for CPU emulation */ + goto _execute_done; + + case 0x03: /* SLO ($nn,X) */ + SLO(8, INDIR_X, mem_write, addr); + break; + + case 0x04: /* NOP $nn */ + case 0x44: /* NOP $nn */ + case 0x64: /* NOP $nn */ + DOP(3); + break; + + case 0x05: /* ORA $nn */ + ORA(3, ZERO_PAGE_BYTE); + break; + + case 0x06: /* ASL $nn */ + ASL(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0x07: /* SLO $nn */ + SLO(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0x08: /* PHP */ + PHP(); + break; + + case 0x09: /* ORA #$nn */ + ORA(2, IMMEDIATE_BYTE); + break; + + case 0x0A: /* ASL A */ + ASL_A(); + break; + + case 0x0B: /* ANC #$nn */ + ANC(2, IMMEDIATE_BYTE); + break; + + case 0x0C: /* NOP $nnnn */ + TOP(); + break; + + case 0x0D: /* ORA $nnnn */ + ORA(4, ABSOLUTE_BYTE); + break; + + case 0x0E: /* ASL $nnnn */ + ASL(6, ABSOLUTE, mem_write, addr); + break; + + case 0x0F: /* SLO $nnnn */ + SLO(6, ABSOLUTE, mem_write, addr); + break; + + case 0x10: /* BPL $nnnn */ + BPL(); + break; + + case 0x11: /* ORA ($nn),Y */ + ORA(5, INDIR_Y_BYTE); + break; + + case 0x13: /* SLO ($nn),Y */ + SLO(8, INDIR_Y, mem_write, addr); + break; + + case 0x14: /* NOP $nn,X */ + case 0x34: /* NOP */ + case 0x54: /* NOP $nn,X */ + case 0x74: /* NOP $nn,X */ + case 0xD4: /* NOP $nn,X */ + case 0xF4: /* NOP ($nn,X) */ + DOP(4); + break; + + case 0x15: /* ORA $nn,X */ + ORA(4, ZP_IND_X_BYTE); + break; + + case 0x16: /* ASL $nn,X */ + ASL(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0x17: /* SLO $nn,X */ + SLO(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0x18: /* CLC */ + CLC(); + break; + + case 0x19: /* ORA $nnnn,Y */ + ORA(4, ABS_IND_Y_BYTE); + break; + + case 0x1A: /* NOP */ + case 0x3A: /* NOP */ + case 0x5A: /* NOP */ + case 0x7A: /* NOP */ + case 0xDA: /* NOP */ + case 0xFA: /* NOP */ + NOP(); + break; + + case 0x1B: /* SLO $nnnn,Y */ + SLO(7, ABS_IND_Y, mem_write, addr); + break; + + case 0x1C: /* NOP $nnnn,X */ + case 0x3C: /* NOP $nnnn,X */ + case 0x5C: /* NOP $nnnn,X */ + case 0x7C: /* NOP $nnnn,X */ + case 0xDC: /* NOP $nnnn,X */ + case 0xFC: /* NOP $nnnn,X */ + TOP(); + break; + + case 0x1D: /* ORA $nnnn,X */ + ORA(4, ABS_IND_X_BYTE); + break; + + case 0x1E: /* ASL $nnnn,X */ + ASL(7, ABS_IND_X, mem_write, addr); + break; + + case 0x1F: /* SLO $nnnn,X */ + SLO(7, ABS_IND_X, mem_write, addr); + break; + + case 0x20: /* JSR $nnnn */ + JSR(); + break; + + case 0x21: /* AND ($nn,X) */ + AND(6, INDIR_X_BYTE); + break; + + case 0x23: /* RLA ($nn,X) */ + RLA(8, INDIR_X, mem_write, addr); + break; + + case 0x24: /* BIT $nn */ + BIT(3, ZERO_PAGE_BYTE); + break; + + case 0x25: /* AND $nn */ + AND(3, ZERO_PAGE_BYTE); + break; + + case 0x26: /* ROL $nn */ + ROL(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0x27: /* RLA $nn */ + RLA(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0x28: /* PLP */ + PLP(); + break; + + case 0x29: /* AND #$nn */ + AND(2, IMMEDIATE_BYTE); + break; + + case 0x2A: /* ROL A */ + ROL_A(); + break; + + case 0x2B: /* ANC #$nn */ + ANC(2, IMMEDIATE_BYTE); + break; + + case 0x2C: /* BIT $nnnn */ + BIT(4, ABSOLUTE_BYTE); + break; + + case 0x2D: /* AND $nnnn */ + AND(4, ABSOLUTE_BYTE); + break; + + case 0x2E: /* ROL $nnnn */ + ROL(6, ABSOLUTE, mem_write, addr); + break; + + case 0x2F: /* RLA $nnnn */ + RLA(6, ABSOLUTE, mem_write, addr); + break; + + case 0x30: /* BMI $nnnn */ + BMI(); + break; + + case 0x31: /* AND ($nn),Y */ + AND(5, INDIR_Y_BYTE); + break; + + case 0x33: /* RLA ($nn),Y */ + RLA(8, INDIR_Y, mem_write, addr); + break; + + case 0x35: /* AND $nn,X */ + AND(4, ZP_IND_X_BYTE); + break; + + case 0x36: /* ROL $nn,X */ + ROL(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0x37: /* RLA $nn,X */ + RLA(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0x38: /* SEC */ + SEC(); + break; + + case 0x39: /* AND $nnnn,Y */ + AND(4, ABS_IND_Y_BYTE); + break; + + case 0x3B: /* RLA $nnnn,Y */ + RLA(7, ABS_IND_Y, mem_write, addr); + break; + + case 0x3D: /* AND $nnnn,X */ + AND(4, ABS_IND_X_BYTE); + break; + + case 0x3E: /* ROL $nnnn,X */ + ROL(7, ABS_IND_X, mem_write, addr); + break; + + case 0x3F: /* RLA $nnnn,X */ + RLA(7, ABS_IND_X, mem_write, addr); + break; + + case 0x40: /* RTI */ + RTI(); + break; + + case 0x41: /* EOR ($nn,X) */ + EOR(6, INDIR_X_BYTE); + break; + + case 0x43: /* SRE ($nn,X) */ + SRE(8, INDIR_X, mem_write, addr); + break; + + case 0x45: /* EOR $nn */ + EOR(3, ZERO_PAGE_BYTE); + break; + + case 0x46: /* LSR $nn */ + LSR(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0x47: /* SRE $nn */ + SRE(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0x48: /* PHA */ + PHA(); + break; + + case 0x49: /* EOR #$nn */ + EOR(2, IMMEDIATE_BYTE); + break; + + case 0x4A: /* LSR A */ + LSR_A(); + break; + + case 0x4B: /* ASR #$nn */ + ASR(2, IMMEDIATE_BYTE); + break; + + case 0x4C: /* JMP $nnnn */ + JMP_ABSOLUTE(); + break; + + case 0x4D: /* EOR $nnnn */ + EOR(4, ABSOLUTE_BYTE); + break; + + case 0x4E: /* LSR $nnnn */ + LSR(6, ABSOLUTE, mem_write, addr); + break; + + case 0x4F: /* SRE $nnnn */ + SRE(6, ABSOLUTE, mem_write, addr); + break; + + case 0x50: /* BVC $nnnn */ + BVC(); + break; + + case 0x51: /* EOR ($nn),Y */ + EOR(5, INDIR_Y_BYTE); + break; + + case 0x53: /* SRE ($nn),Y */ + SRE(8, INDIR_Y, mem_write, addr); + break; + + case 0x55: /* EOR $nn,X */ + EOR(4, ZP_IND_X_BYTE); + break; + + case 0x56: /* LSR $nn,X */ + LSR(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0x57: /* SRE $nn,X */ + SRE(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0x58: /* CLI */ + CLI(); + break; + + case 0x59: /* EOR $nnnn,Y */ + EOR(4, ABS_IND_Y_BYTE); + break; + + case 0x5B: /* SRE $nnnn,Y */ + SRE(7, ABS_IND_Y, mem_write, addr); + break; + + case 0x5D: /* EOR $nnnn,X */ + EOR(4, ABS_IND_X_BYTE); + break; + + case 0x5E: /* LSR $nnnn,X */ + LSR(7, ABS_IND_X, mem_write, addr); + break; + + case 0x5F: /* SRE $nnnn,X */ + SRE(7, ABS_IND_X, mem_write, addr); + break; + + case 0x60: /* RTS */ + RTS(); + break; + + case 0x61: /* ADC ($nn,X) */ + ADC(6, INDIR_X_BYTE); + break; + + case 0x63: /* RRA ($nn,X) */ + RRA(8, INDIR_X, mem_write, addr); + break; + + case 0x65: /* ADC $nn */ + ADC(3, ZERO_PAGE_BYTE); + break; + + case 0x66: /* ROR $nn */ + ROR(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0x67: /* RRA $nn */ + RRA(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0x68: /* PLA */ + PLA(); + break; + + case 0x69: /* ADC #$nn */ + ADC(2, IMMEDIATE_BYTE); + break; + + case 0x6A: /* ROR A */ + ROR_A(); + break; + + case 0x6B: /* ARR #$nn */ + ARR(2, IMMEDIATE_BYTE); + break; + + case 0x6C: /* JMP ($nnnn) */ + JMP_INDIRECT(); + break; + + case 0x6D: /* ADC $nnnn */ + ADC(4, ABSOLUTE_BYTE); + break; + + case 0x6E: /* ROR $nnnn */ + ROR(6, ABSOLUTE, mem_write, addr); + break; + + case 0x6F: /* RRA $nnnn */ + RRA(6, ABSOLUTE, mem_write, addr); + break; + + case 0x70: /* BVS $nnnn */ + BVS(); + break; + + case 0x71: /* ADC ($nn),Y */ + ADC(5, INDIR_Y_BYTE); + break; + + case 0x73: /* RRA ($nn),Y */ + RRA(8, INDIR_Y, mem_write, addr); + break; + + case 0x75: /* ADC $nn,X */ + ADC(4, ZP_IND_X_BYTE); + break; + + case 0x76: /* ROR $nn,X */ + ROR(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0x77: /* RRA $nn,X */ + RRA(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0x78: /* SEI */ + SEI(); + break; + + case 0x79: /* ADC $nnnn,Y */ + ADC(4, ABS_IND_Y_BYTE); + break; + + case 0x7B: /* RRA $nnnn,Y */ + RRA(7, ABS_IND_Y, mem_write, addr); + break; + + case 0x7D: /* ADC $nnnn,X */ + ADC(4, ABS_IND_X_BYTE); + break; + + case 0x7E: /* ROR $nnnn,X */ + ROR(7, ABS_IND_X, mem_write, addr); + break; + + case 0x7F: /* RRA $nnnn,X */ + RRA(7, ABS_IND_X, mem_write, addr); + break; + + case 0x80: /* NOP #$nn */ + case 0x82: /* NOP #$nn */ + case 0x89: /* NOP #$nn */ + case 0xC2: /* NOP #$nn */ + case 0xE2: /* NOP #$nn */ + DOP(2); + break; + + case 0x81: /* STA ($nn,X) */ + STA(6, INDIR_X_ADDR, mem_write, addr); + break; + + case 0x83: /* SAX ($nn,X) */ + SAX(6, INDIR_X_ADDR, mem_write, addr); + break; + + case 0x84: /* STY $nn */ + STY(3, ZERO_PAGE_ADDR, ZP_WRITE, baddr); + break; + + case 0x85: /* STA $nn */ + STA(3, ZERO_PAGE_ADDR, ZP_WRITE, baddr); + break; + + case 0x86: /* STX $nn */ + STX(3, ZERO_PAGE_ADDR, ZP_WRITE, baddr); + break; + + case 0x87: /* SAX $nn */ + SAX(3, ZERO_PAGE_ADDR, ZP_WRITE, baddr); + break; + + case 0x88: /* DEY */ + DEY(); + break; + + case 0x8A: /* TXA */ + TXA(); + break; + + case 0x8B: /* ANE #$nn */ + ANE(2, IMMEDIATE_BYTE); + break; + + case 0x8C: /* STY $nnnn */ + STY(4, ABSOLUTE_ADDR, mem_write, addr); + break; + + case 0x8D: /* STA $nnnn */ + STA(4, ABSOLUTE_ADDR, mem_write, addr); + break; + + case 0x8E: /* STX $nnnn */ + STX(4, ABSOLUTE_ADDR, mem_write, addr); + break; + + case 0x8F: /* SAX $nnnn */ + SAX(4, ABSOLUTE_ADDR, mem_write, addr); + break; + + case 0x90: /* BCC $nnnn */ + BCC(); + break; + + case 0x91: /* STA ($nn),Y */ + STA(6, INDIR_Y_ADDR, mem_write, addr); + break; + + case 0x93: /* SHA ($nn),Y */ + SHA(6, INDIR_Y_ADDR, mem_write, addr); + break; + + case 0x94: /* STY $nn,X */ + STY(4, ZP_IND_X_ADDR, ZP_WRITE, baddr); + break; + + case 0x95: /* STA $nn,X */ + STA(4, ZP_IND_X_ADDR, ZP_WRITE, baddr); + break; + + case 0x96: /* STX $nn,Y */ + STX(4, ZP_IND_Y_ADDR, ZP_WRITE, baddr); + break; + + case 0x97: /* SAX $nn,Y */ + SAX(4, ZP_IND_Y_ADDR, ZP_WRITE, baddr); + break; + + case 0x98: /* TYA */ + TYA(); + break; + + case 0x99: /* STA $nnnn,Y */ + STA(5, ABS_IND_Y_ADDR, mem_write, addr); + break; + + case 0x9A: /* TXS */ + TXS(); + break; + + case 0x9B: /* SHS $nnnn,Y */ + SHS(5, ABS_IND_Y_ADDR, mem_write, addr); + break; + + case 0x9C: /* SHY $nnnn,X */ + SHY(5, ABS_IND_X_ADDR, mem_write, addr); + break; + + case 0x9D: /* STA $nnnn,X */ + STA(5, ABS_IND_X_ADDR, mem_write, addr); + break; + + case 0x9E: /* SHX $nnnn,Y */ + SHX(5, ABS_IND_Y_ADDR, mem_write, addr); + break; + + case 0x9F: /* SHA $nnnn,Y */ + SHA(5, ABS_IND_Y_ADDR, mem_write, addr); + break; + + case 0xA0: /* LDY #$nn */ + LDY(2, IMMEDIATE_BYTE); + break; + + case 0xA1: /* LDA ($nn,X) */ + LDA(6, INDIR_X_BYTE); + break; + + case 0xA2: /* LDX #$nn */ + LDX(2, IMMEDIATE_BYTE); + break; + + case 0xA3: /* LAX ($nn,X) */ + LAX(6, INDIR_X_BYTE); + break; + + case 0xA4: /* LDY $nn */ + LDY(3, ZERO_PAGE_BYTE); + break; + + case 0xA5: /* LDA $nn */ + LDA(3, ZERO_PAGE_BYTE); + break; + + case 0xA6: /* LDX $nn */ + LDX(3, ZERO_PAGE_BYTE); + break; + + case 0xA7: /* LAX $nn */ + LAX(3, ZERO_PAGE_BYTE); + break; + + case 0xA8: /* TAY */ + TAY(); + break; + + case 0xA9: /* LDA #$nn */ + LDA(2, IMMEDIATE_BYTE); + break; + + case 0xAA: /* TAX */ + TAX(); + break; + + case 0xAB: /* LXA #$nn */ + LXA(2, IMMEDIATE_BYTE); + break; + + case 0xAC: /* LDY $nnnn */ + LDY(4, ABSOLUTE_BYTE); + break; + + case 0xAD: /* LDA $nnnn */ + LDA(4, ABSOLUTE_BYTE); + break; + + case 0xAE: /* LDX $nnnn */ + LDX(4, ABSOLUTE_BYTE); + break; + + case 0xAF: /* LAX $nnnn */ + LAX(4, ABSOLUTE_BYTE); + break; + + case 0xB0: /* BCS $nnnn */ + BCS(); + break; + + case 0xB1: /* LDA ($nn),Y */ + LDA(5, INDIR_Y_BYTE); + break; + + case 0xB3: /* LAX ($nn),Y */ + LAX(5, INDIR_Y_BYTE); + break; + + case 0xB4: /* LDY $nn,X */ + LDY(4, ZP_IND_X_BYTE); + break; + + case 0xB5: /* LDA $nn,X */ + LDA(4, ZP_IND_X_BYTE); + break; + + case 0xB6: /* LDX $nn,Y */ + LDX(4, ZP_IND_Y_BYTE); + break; + + case 0xB7: /* LAX $nn,Y */ + LAX(4, ZP_IND_Y_BYTE); + break; + + case 0xB8: /* CLV */ + CLV(); + break; + + case 0xB9: /* LDA $nnnn,Y */ + LDA(4, ABS_IND_Y_BYTE); + break; + + case 0xBA: /* TSX */ + TSX(); + break; + + case 0xBB: /* LAS $nnnn,Y */ + LAS(4, ABS_IND_Y_BYTE); + break; + + case 0xBC: /* LDY $nnnn,X */ + LDY(4, ABS_IND_X_BYTE); + break; + + case 0xBD: /* LDA $nnnn,X */ + LDA(4, ABS_IND_X_BYTE); + break; + + case 0xBE: /* LDX $nnnn,Y */ + LDX(4, ABS_IND_Y_BYTE); + break; + + case 0xBF: /* LAX $nnnn,Y */ + LAX(4, ABS_IND_Y_BYTE); + break; + + case 0xC0: /* CPY #$nn */ + CPY(2, IMMEDIATE_BYTE); + break; + + case 0xC1: /* CMP ($nn,X) */ + CMP(6, INDIR_X_BYTE); + break; + + case 0xC3: /* DCP ($nn,X) */ + DCP(8, INDIR_X, mem_write, addr); + break; + + case 0xC4: /* CPY $nn */ + CPY(3, ZERO_PAGE_BYTE); + break; + + case 0xC5: /* CMP $nn */ + CMP(3, ZERO_PAGE_BYTE); + break; + + case 0xC6: /* DEC $nn */ + DEC(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0xC7: /* DCP $nn */ + DCP(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0xC8: /* INY */ + INY(); + break; + + case 0xC9: /* CMP #$nn */ + CMP(2, IMMEDIATE_BYTE); + break; + + case 0xCA: /* DEX */ + DEX(); + break; + + case 0xCB: /* SBX #$nn */ + SBX(2, IMMEDIATE_BYTE); + break; + + case 0xCC: /* CPY $nnnn */ + CPY(4, ABSOLUTE_BYTE); + break; + + case 0xCD: /* CMP $nnnn */ + CMP(4, ABSOLUTE_BYTE); + break; + + case 0xCE: /* DEC $nnnn */ + DEC(6, ABSOLUTE, mem_write, addr); + break; + + case 0xCF: /* DCP $nnnn */ + DCP(6, ABSOLUTE, mem_write, addr); + break; + + case 0xD0: /* BNE $nnnn */ + BNE(); + break; + + case 0xD1: /* CMP ($nn),Y */ + CMP(5, INDIR_Y_BYTE); + break; + + case 0xD3: /* DCP ($nn),Y */ + DCP(8, INDIR_Y, mem_write, addr); + break; + + case 0xD5: /* CMP $nn,X */ + CMP(4, ZP_IND_X_BYTE); + break; + + case 0xD6: /* DEC $nn,X */ + DEC(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0xD7: /* DCP $nn,X */ + DCP(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0xD8: /* CLD */ + CLD(); + break; + + case 0xD9: /* CMP $nnnn,Y */ + CMP(4, ABS_IND_Y_BYTE); + break; + + case 0xDB: /* DCP $nnnn,Y */ + DCP(7, ABS_IND_Y, mem_write, addr); + break; + + case 0xDD: /* CMP $nnnn,X */ + CMP(4, ABS_IND_X_BYTE); + break; + + case 0xDE: /* DEC $nnnn,X */ + DEC(7, ABS_IND_X, mem_write, addr); + break; + + case 0xDF: /* DCP $nnnn,X */ + DCP(7, ABS_IND_X, mem_write, addr); + break; + + case 0xE0: /* CPX #$nn */ + CPX(2, IMMEDIATE_BYTE); + break; + + case 0xE1: /* SBC ($nn,X) */ + SBC(6, INDIR_X_BYTE); + break; + + case 0xE3: /* ISB ($nn,X) */ + ISB(8, INDIR_X, mem_write, addr); + break; + + case 0xE4: /* CPX $nn */ + CPX(3, ZERO_PAGE_BYTE); + break; + + case 0xE5: /* SBC $nn */ + SBC(3, ZERO_PAGE_BYTE); + break; + + case 0xE6: /* INC $nn */ + INC(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0xE7: /* ISB $nn */ + ISB(5, ZERO_PAGE, ZP_WRITE, baddr); + break; + + case 0xE8: /* INX */ + INX(); + break; + + case 0xE9: /* SBC #$nn */ + case 0xEB: /* USBC #$nn */ + SBC(2, IMMEDIATE_BYTE); + break; + + case 0xEA: /* NOP */ + NOP(); + break; + + case 0xEC: /* CPX $nnnn */ + CPX(4, ABSOLUTE_BYTE); + break; + + case 0xED: /* SBC $nnnn */ + SBC(4, ABSOLUTE_BYTE); + break; + + case 0xEE: /* INC $nnnn */ + INC(6, ABSOLUTE, mem_write, addr); + break; + + case 0xEF: /* ISB $nnnn */ + ISB(6, ABSOLUTE, mem_write, addr); + break; + + case 0xF0: /* BEQ $nnnn */ + BEQ(); + break; + + case 0xF1: /* SBC ($nn),Y */ + SBC(5, INDIR_Y_BYTE); + break; + + case 0xF3: /* ISB ($nn),Y */ + ISB(8, INDIR_Y, mem_write, addr); + break; + + case 0xF5: /* SBC $nn,X */ + SBC(4, ZP_IND_X_BYTE); + break; + + case 0xF6: /* INC $nn,X */ + INC(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0xF7: /* ISB $nn,X */ + ISB(6, ZP_IND_X, ZP_WRITE, baddr); + break; + + case 0xF8: /* SED */ + SED(); + break; + + case 0xF9: /* SBC $nnnn,Y */ + SBC(4, ABS_IND_Y_BYTE); + break; + + case 0xFB: /* ISB $nnnn,Y */ + ISB(7, ABS_IND_Y, mem_write, addr); + break; + + case 0xFD: /* SBC $nnnn,X */ + SBC(4, ABS_IND_X_BYTE); + break; + + case 0xFE: /* INC $nnnn,X */ + INC(7, ABS_IND_X, mem_write, addr); + break; + + case 0xFF: /* ISB $nnnn,X */ + ISB(7, ABS_IND_X, mem_write, addr); + break; + } + + /* Calculate remaining/elapsed clock cycles */ + remaining_cycles -= instruction_cycles; + total_cycles += instruction_cycles; + } + +_execute_done: + + /* restore local copy of regs */ + SET_LOCAL_REGS(); + + /* Return our actual amount of executed cycles */ + return (total_cycles - old_cycles); +} + +/* Initialize tables, etc. */ +void nes6502_init(void) +{ + int index; + + /* Build the N / Z flag lookup table */ + flag_table[0] = Z_FLAG; + + for (index = 1; index < 256; index++) + flag_table[index] = (index & 0x80) ? N_FLAG : 0; + + reg_A = reg_X = reg_Y = 0; + reg_S = 0xFF; /* Stack grows down */ +} + + +/* Issue a CPU Reset */ +void nes6502_reset(void) +{ + reg_P = Z_FLAG | R_FLAG | I_FLAG; /* Reserved bit always 1 */ + int_pending = dma_cycles = 0; /* No pending interrupts */ + reg_PC = bank_readaddress(RESET_VECTOR); /* Fetch reset vector */ + /* TODO: 6 cycles for RESET? */ +} + +/* Non-maskable interrupt */ +void nes6502_nmi(void) +{ + int_pending |= NMI_MASK; +} + +/* Interrupt request */ +void nes6502_irq(void) +{ + int_pending |= IRQ_MASK; +} + +/* Set dma period (in cycles) */ +void nes6502_setdma(int cycles) +{ + dma_cycles += cycles; +} + +/* +** $Log: nes6502.c,v $ +** Revision 1.2 2003/01/09 19:50:03 jkeil +** NSF audio files were crashing on SPARC. +** +** - Define the correct HOST_ENDIAN for SPARC +** - remove unaligned memory accesses +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.6 2000/07/04 04:50:07 matt +** minor change to includes +** +** Revision 1.5 2000/07/03 02:18:16 matt +** added a few notes about potential failure cases +** +** Revision 1.4 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/nes6502.h b/contrib/nosefart/nes6502.h new file mode 100644 index 000000000..9b9be5811 --- /dev/null +++ b/contrib/nosefart/nes6502.h @@ -0,0 +1,134 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** nes6502.h +** +** NES custom 6502 CPU definitions / prototypes +** $Id: nes6502.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +/* NOTE: 16-bit addresses avoided like the plague: use 32-bit values +** wherever humanly possible +*/ +#ifndef _NES6502_H_ +#define _NES6502_H_ + +/* Define this to enable decimal mode in ADC / SBC (not needed in NES) */ +/*#define NES6502_DECIMAL*/ + +/* number of bank pointers the CPU emulation core handles */ +#ifdef NSF_PLAYER +#define NES6502_4KBANKS +#endif + +#ifdef NES6502_4KBANKS +#define NES6502_NUMBANKS 16 +#define NES6502_BANKSHIFT 12 +#else +#define NES6502_NUMBANKS 8 +#define NES6502_BANKSHIFT 13 +#endif + +#define NES6502_BANKMASK ((0x10000 / NES6502_NUMBANKS) - 1) + + +/* P (flag) register bitmasks */ +#define N_FLAG 0x80 +#define V_FLAG 0x40 +#define R_FLAG 0x20 /* Reserved, always 1 */ +#define B_FLAG 0x10 +#define D_FLAG 0x08 +#define I_FLAG 0x04 +#define Z_FLAG 0x02 +#define C_FLAG 0x01 + +/* Vector addresses */ +#define NMI_VECTOR 0xFFFA +#define RESET_VECTOR 0xFFFC +#define IRQ_VECTOR 0xFFFE + +/* cycle counts for interrupts */ +#define INT_CYCLES 7 +#define RESET_CYCLES 6 + +#define NMI_MASK 0x01 +#define IRQ_MASK 0x02 + +/* Stack is located on 6502 page 1 */ +#define STACK_OFFSET 0x0100 + +typedef struct +{ + uint32 min_range, max_range; + uint8 (*read_func)(uint32 address); +} nes6502_memread; + +typedef struct +{ + uint32 min_range, max_range; + void (*write_func)(uint32 address, uint8 value); +} nes6502_memwrite; + +typedef struct +{ + uint8 *mem_page[NES6502_NUMBANKS]; /* memory page pointers */ + nes6502_memread *read_handler; + nes6502_memwrite *write_handler; + int dma_cycles; + uint32 pc_reg; + uint8 a_reg, p_reg, x_reg, y_reg, s_reg; + uint8 int_pending; +} nes6502_context; + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* Functions which govern the 6502's execution */ +extern void nes6502_init(void); +extern void nes6502_reset(void); +extern int nes6502_execute(int total_cycles); +extern void nes6502_nmi(void); +extern void nes6502_irq(void); +extern uint8 nes6502_getbyte(uint32 address); +extern uint32 nes6502_getcycles(boolean reset_flag); +extern void nes6502_setdma(int cycles); + +/* Context get/set */ +extern void nes6502_setcontext(nes6502_context *cpu); +extern void nes6502_getcontext(nes6502_context *cpu); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _NES6502_H_ */ + +/* +** $Log: nes6502.h,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.4 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/nes_apu.c b/contrib/nosefart/nes_apu.c new file mode 100644 index 000000000..4a2ed8f4d --- /dev/null +++ b/contrib/nosefart/nes_apu.c @@ -0,0 +1,1212 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** nes_apu.c +** +** NES APU emulation +** $Id: nes_apu.c,v 1.4 2005/05/07 09:11:39 valtri Exp $ +*/ + +#include +#include "types.h" +#include "log.h" +#include "nes_apu.h" +#include "nes6502.h" + +#ifdef NSF_PLAYER +#include "nsf.h" +#else +#include "nes.h" +#include "nes_ppu.h" +#include "nes_mmc.h" +#include "nesinput.h" +#endif /* !NSF_PLAYER */ + + +#define APU_OVERSAMPLE +#define APU_VOLUME_DECAY(x) ((x) -= ((x) >> 7)) + + +/* pointer to active APU */ +static apu_t *apu; + +/* look up table madness */ +static int32 decay_lut[16]; +static int vbl_lut[32]; +static int trilength_lut[128]; + +/* noise lookups for both modes */ +#ifndef REALTIME_NOISE +static int8 noise_long_lut[APU_NOISE_32K]; +static int8 noise_short_lut[APU_NOISE_93]; +#endif /* !REALTIME_NOISE */ + + +/* vblank length table used for rectangles, triangle, noise */ +static const uint8 vbl_length[32] = +{ + 5, 127, + 10, 1, + 19, 2, + 40, 3, + 80, 4, + 30, 5, + 7, 6, + 13, 7, + 6, 8, + 12, 9, + 24, 10, + 48, 11, + 96, 12, + 36, 13, + 8, 14, + 16, 15 +}; + +/* frequency limit of rectangle channels */ +static const int freq_limit[8] = +{ + 0x3FF, 0x555, 0x666, 0x71C, 0x787, 0x7C1, 0x7E0, 0x7F0 +}; + +/* noise frequency lookup table */ +static const int noise_freq[16] = +{ + 4, 8, 16, 32, 64, 96, 128, 160, + 202, 254, 380, 508, 762, 1016, 2034, 4068 +}; + +/* DMC transfer freqs */ +const int dmc_clocks[16] = +{ + 428, 380, 340, 320, 286, 254, 226, 214, + 190, 160, 142, 128, 106, 85, 72, 54 +}; + +/* ratios of pos/neg pulse for rectangle waves */ +static const int duty_lut[4] = { 2, 4, 8, 12 }; + +#if 0 /* unused */ +static void apu_setcontext(apu_t *src_apu) +{ + apu = src_apu; +} +#endif + +/* +** Simple queue routines +*/ +#define APU_QEMPTY() (apu->q_head == apu->q_tail) + +static void apu_enqueue(apudata_t *d) +{ + ASSERT(apu); + apu->queue[apu->q_head] = *d; + + apu->q_head = (apu->q_head + 1) & APUQUEUE_MASK; + + if (APU_QEMPTY()) + log_printf("apu: queue overflow\n"); +} + +static apudata_t *apu_dequeue(void) +{ + int loc; + + ASSERT(apu); + + if (APU_QEMPTY()) + log_printf("apu: queue empty\n"); + + loc = apu->q_tail; + apu->q_tail = (apu->q_tail + 1) & APUQUEUE_MASK; + + return &apu->queue[loc]; +} + +void apu_setchan(int chan, boolean enabled) +{ + ASSERT(apu); + apu->mix_enable[chan] = enabled; +} + +/* emulation of the 15-bit shift register the +** NES uses to generate pseudo-random series +** for the white noise channel +*/ +#ifdef REALTIME_NOISE +INLINE int8 shift_register15(uint8 xor_tap) +{ + static int sreg = 0x4000; + int bit0, tap, bit14; + + bit0 = sreg & 1; + tap = (sreg & xor_tap) ? 1 : 0; + bit14 = (bit0 ^ tap); + sreg >>= 1; + sreg |= (bit14 << 14); + return (bit0 ^ 1); +} +#else +static void shift_register15(int8 *buf, int count) +{ + static int sreg = 0x4000; + int bit0, bit1, bit6, bit14; + + if (count == APU_NOISE_93) + { + while (count--) + { + bit0 = sreg & 1; + bit6 = (sreg & 0x40) >> 6; + bit14 = (bit0 ^ bit6); + sreg >>= 1; + sreg |= (bit14 << 14); + *buf++ = bit0 ^ 1; + } + } + else /* 32K noise */ + { + while (count--) + { + bit0 = sreg & 1; + bit1 = (sreg & 2) >> 1; + bit14 = (bit0 ^ bit1); + sreg >>= 1; + sreg |= (bit14 << 14); + *buf++ = bit0 ^ 1; + } + } +} +#endif + +/* RECTANGLE WAVE +** ============== +** reg0: 0-3=volume, 4=envelope, 5=hold, 6-7=duty cycle +** reg1: 0-2=sweep shifts, 3=sweep inc/dec, 4-6=sweep length, 7=sweep on +** reg2: 8 bits of freq +** reg3: 0-2=high freq, 7-4=vbl length counter +*/ +#define APU_RECTANGLE_OUTPUT chan->output_vol +static int32 apu_rectangle(rectangle_t *chan) +{ + int32 output; + +#ifdef APU_OVERSAMPLE + int num_times; + int32 total; +#endif + + APU_VOLUME_DECAY(chan->output_vol); + + if (FALSE == chan->enabled || 0 == chan->vbl_length) + return APU_RECTANGLE_OUTPUT; + + /* vbl length counter */ + if (FALSE == chan->holdnote) + chan->vbl_length--; + + /* envelope decay at a rate of (env_delay + 1) / 240 secs */ + chan->env_phase -= 4; /* 240/60 */ + while (chan->env_phase < 0) + { + chan->env_phase += chan->env_delay; + + if (chan->holdnote) + chan->env_vol = (chan->env_vol + 1) & 0x0F; + else if (chan->env_vol < 0x0F) + chan->env_vol++; + } + + if ((FALSE == chan->sweep_inc && chan->freq > chan->freq_limit) + || chan->freq < APU_TO_FIXED(4)) + return APU_RECTANGLE_OUTPUT; + + /* frequency sweeping at a rate of (sweep_delay + 1) / 120 secs */ + if (chan->sweep_on && chan->sweep_shifts) + { + chan->sweep_phase -= 2; /* 120/60 */ + while (chan->sweep_phase < 0) + { + chan->sweep_phase += chan->sweep_delay; + if (chan->sweep_inc) /* ramp up */ + chan->freq -= chan->freq >> (chan->sweep_shifts); + else /* ramp down */ + chan->freq += chan->freq >> (chan->sweep_shifts); + } + } + + chan->phaseacc -= apu->cycle_rate; /* # of cycles per sample */ + if (chan->phaseacc >= 0) + return APU_RECTANGLE_OUTPUT; + +#ifdef APU_OVERSAMPLE + num_times = total = 0; + + if (chan->fixed_envelope) + output = chan->volume << 8; /* fixed volume */ + else + output = (chan->env_vol ^ 0x0F) << 8; +#endif + + while (chan->phaseacc < 0) + { + chan->phaseacc += chan->freq; + chan->adder = (chan->adder + 1) & 0x0F; + +#ifdef APU_OVERSAMPLE + if (chan->adder < chan->duty_flip) + total += output; + else + total -= output; + + num_times++; +#endif + } + +#ifdef APU_OVERSAMPLE + chan->output_vol = total / num_times; +#else + if (chan->fixed_envelope) + output = chan->volume << 8; /* fixed volume */ + else + output = (chan->env_vol ^ 0x0F) << 8; + + if (0 == chan->adder) + chan->output_vol = output; + else if (chan->adder == chan->duty_flip) + chan->output_vol = -output; +#endif + + return APU_RECTANGLE_OUTPUT; +} + +/* TRIANGLE WAVE +** ============= +** reg0: 7=holdnote, 6-0=linear length counter +** reg2: low 8 bits of frequency +** reg3: 7-3=length counter, 2-0=high 3 bits of frequency +*/ +#define APU_TRIANGLE_OUTPUT (chan->output_vol + (chan->output_vol >> 2)) +static int32 apu_triangle(triangle_t *chan) +{ + APU_VOLUME_DECAY(chan->output_vol); + + if (FALSE == chan->enabled || 0 == chan->vbl_length) + return APU_TRIANGLE_OUTPUT; + + if (chan->counter_started) + { + if (chan->linear_length > 0) + chan->linear_length--; + if (chan->vbl_length && FALSE == chan->holdnote) + chan->vbl_length--; + } + else if (FALSE == chan->holdnote && chan->write_latency) + { + if (--chan->write_latency == 0) + chan->counter_started = TRUE; + } +/* + if (chan->countmode == COUNTMODE_COUNT) + { + if (chan->linear_length > 0) + chan->linear_length--; + if (chan->vbl_length) + chan->vbl_length--; + } +*/ + if (0 == chan->linear_length || chan->freq < APU_TO_FIXED(4)) /* inaudible */ + return APU_TRIANGLE_OUTPUT; + + chan->phaseacc -= apu->cycle_rate; /* # of cycles per sample */ + while (chan->phaseacc < 0) + { + chan->phaseacc += chan->freq; + chan->adder = (chan->adder + 1) & 0x1F; + + if (chan->adder & 0x10) + chan->output_vol -= (2 << 8); + else + chan->output_vol += (2 << 8); + } + + return APU_TRIANGLE_OUTPUT; +} + + +/* WHITE NOISE CHANNEL +** =================== +** reg0: 0-3=volume, 4=envelope, 5=hold +** reg2: 7=small(93 byte) sample,3-0=freq lookup +** reg3: 7-4=vbl length counter +*/ +#define APU_NOISE_OUTPUT ((chan->output_vol + chan->output_vol + chan->output_vol) >> 2) + +static int32 apu_noise(noise_t *chan) +{ + int32 outvol; + +#if defined(APU_OVERSAMPLE) && defined(REALTIME_NOISE) +#else + int32 noise_bit; +#endif +#ifdef APU_OVERSAMPLE + int num_times; + int32 total; +#endif + + APU_VOLUME_DECAY(chan->output_vol); + + if (FALSE == chan->enabled || 0 == chan->vbl_length) + return APU_NOISE_OUTPUT; + + /* vbl length counter */ + if (FALSE == chan->holdnote) + chan->vbl_length--; + + /* envelope decay at a rate of (env_delay + 1) / 240 secs */ + chan->env_phase -= 4; /* 240/60 */ + while (chan->env_phase < 0) + { + chan->env_phase += chan->env_delay; + + if (chan->holdnote) + chan->env_vol = (chan->env_vol + 1) & 0x0F; + else if (chan->env_vol < 0x0F) + chan->env_vol++; + } + + chan->phaseacc -= apu->cycle_rate; /* # of cycles per sample */ + if (chan->phaseacc >= 0) + return APU_NOISE_OUTPUT; + +#ifdef APU_OVERSAMPLE + num_times = total = 0; + + if (chan->fixed_envelope) + outvol = chan->volume << 8; /* fixed volume */ + else + outvol = (chan->env_vol ^ 0x0F) << 8; +#endif + + while (chan->phaseacc < 0) + { + chan->phaseacc += chan->freq; + +#ifdef REALTIME_NOISE + +#ifdef APU_OVERSAMPLE + if (shift_register15(chan->xor_tap)) + total += outvol; + else + total -= outvol; + + num_times++; +#else + noise_bit = shift_register15(chan->xor_tap); +#endif + +#else + chan->cur_pos++; + + if (chan->short_sample) + { + if (APU_NOISE_93 == chan->cur_pos) + chan->cur_pos = 0; + } + else + { + if (APU_NOISE_32K == chan->cur_pos) + chan->cur_pos = 0; + } + +#ifdef APU_OVERSAMPLE + if (chan->short_sample) + noise_bit = noise_short_lut[chan->cur_pos]; + else + noise_bit = noise_long_lut[chan->cur_pos]; + + if (noise_bit) + total += outvol; + else + total -= outvol; + + num_times++; +#endif +#endif /* REALTIME_NOISE */ + } + +#ifdef APU_OVERSAMPLE + chan->output_vol = total / num_times; +#else + if (chan->fixed_envelope) + outvol = chan->volume << 8; /* fixed volume */ + else + outvol = (chan->env_vol ^ 0x0F) << 8; + +#ifndef REALTIME_NOISE + if (chan->short_sample) + noise_bit = noise_short_lut[chan->cur_pos]; + else + noise_bit = noise_long_lut[chan->cur_pos]; +#endif /* !REALTIME_NOISE */ + + if (noise_bit) + chan->output_vol = outvol; + else + chan->output_vol = -outvol; +#endif + + return APU_NOISE_OUTPUT; +} + + +INLINE void apu_dmcreload(dmc_t *chan) +{ + chan->address = chan->cached_addr; + chan->dma_length = chan->cached_dmalength; + chan->irq_occurred = FALSE; +} + +/* DELTA MODULATION CHANNEL +** ========================= +** reg0: 7=irq gen, 6=looping, 3-0=pointer to clock table +** reg1: output dc level, 6 bits unsigned +** reg2: 8 bits of 64-byte aligned address offset : $C000 + (value * 64) +** reg3: length, (value * 16) + 1 +*/ +#define APU_DMC_OUTPUT ((chan->output_vol + chan->output_vol + chan->output_vol) >> 2) +static int32 apu_dmc(dmc_t *chan) +{ + int delta_bit; + + APU_VOLUME_DECAY(chan->output_vol); + + /* only process when channel is alive */ + if (chan->dma_length) + { + chan->phaseacc -= apu->cycle_rate; /* # of cycles per sample */ + + while (chan->phaseacc < 0) + { + chan->phaseacc += chan->freq; + + delta_bit = (chan->dma_length & 7) ^ 7; + + if (7 == delta_bit) + { + chan->cur_byte = nes6502_getbyte(chan->address); + + /* steal a cycle from CPU*/ + nes6502_setdma(1); + + if (0xFFFF == chan->address) + chan->address = 0x8000; + else + chan->address++; + } + + if (--chan->dma_length == 0) + { + /* if loop bit set, we're cool to retrigger sample */ + if (chan->looping) + apu_dmcreload(chan); + else + { + /* check to see if we should generate an irq */ + if (chan->irq_gen) + { + chan->irq_occurred = TRUE; + nes6502_irq(); + } + + /* bodge for timestamp queue */ + chan->enabled = FALSE; + break; + } + } + + /* positive delta */ + if (chan->cur_byte & (1 << delta_bit)) + { + if (chan->regs[1] < 0x7D) + { + chan->regs[1] += 2; + chan->output_vol += (2 << 8); + } +/* + if (chan->regs[1] < 0x3F) + chan->regs[1]++; + + chan->output_vol &= ~(0x7E << 8); + chan->output_vol |= ((chan->regs[1] << 1) << 8); +*/ + } + /* negative delta */ + else + { + if (chan->regs[1] > 1) + { + chan->regs[1] -= 2; + chan->output_vol -= (2 << 8); + } + +/* + if (chan->regs[1] > 0) + chan->regs[1]--; + + chan->output_vol &= ~(0x7E << 8); + chan->output_vol |= ((chan->regs[1] << 1) << 8); +*/ + } + } + } + + return APU_DMC_OUTPUT; +} + + +static void apu_regwrite(uint32 address, uint8 value) +{ + int chan; + + ASSERT(apu); + switch (address) + { + /* rectangles */ + case APU_WRA0: + case APU_WRB0: + chan = (address & 4) ? 1 : 0; + apu->rectangle[chan].regs[0] = value; + + apu->rectangle[chan].volume = value & 0x0F; + apu->rectangle[chan].env_delay = decay_lut[value & 0x0F]; + apu->rectangle[chan].holdnote = (value & 0x20) ? TRUE : FALSE; + apu->rectangle[chan].fixed_envelope = (value & 0x10) ? TRUE : FALSE; + apu->rectangle[chan].duty_flip = duty_lut[value >> 6]; + break; + + case APU_WRA1: + case APU_WRB1: + chan = (address & 4) ? 1 : 0; + apu->rectangle[chan].regs[1] = value; + apu->rectangle[chan].sweep_on = (value & 0x80) ? TRUE : FALSE; + apu->rectangle[chan].sweep_shifts = value & 7; + apu->rectangle[chan].sweep_delay = decay_lut[(value >> 4) & 7]; + + apu->rectangle[chan].sweep_inc = (value & 0x08) ? TRUE : FALSE; + apu->rectangle[chan].freq_limit = APU_TO_FIXED(freq_limit[value & 7]); + break; + + case APU_WRA2: + case APU_WRB2: + chan = (address & 4) ? 1 : 0; + apu->rectangle[chan].regs[2] = value; +// if (apu->rectangle[chan].enabled) + apu->rectangle[chan].freq = APU_TO_FIXED((((apu->rectangle[chan].regs[3] & 7) << 8) + value) + 1); + break; + + case APU_WRA3: + case APU_WRB3: + chan = (address & 4) ? 1 : 0; + apu->rectangle[chan].regs[3] = value; + +// if (apu->rectangle[chan].enabled) + { + apu->rectangle[chan].vbl_length = vbl_lut[value >> 3]; + apu->rectangle[chan].env_vol = 0; + apu->rectangle[chan].freq = APU_TO_FIXED((((value & 7) << 8) + apu->rectangle[chan].regs[2]) + 1); + apu->rectangle[chan].adder = 0; + } + break; + + /* triangle */ + case APU_WRC0: +/* + if (0 == (apu->triangle.regs[0] & 0x80)) + apu->triangle.countmode = COUNTMODE_COUNT; + else + { + if (apu->triangle.countmode == COUNTMODE_LOAD && apu->triangle.vbl_length) + apu->triangle.linear_length = trilength_lut[value & 0x7F]; + + if (0 == (value & 0x80)) + apu->triangle.countmode = COUNTMODE_COUNT; + } +*/ + apu->triangle.regs[0] = value; + + apu->triangle.holdnote = (value & 0x80) ? TRUE : FALSE; + + +// if (apu->triangle.enabled) + { + if (FALSE == apu->triangle.counter_started && apu->triangle.vbl_length) + apu->triangle.linear_length = trilength_lut[value & 0x7F]; + } + + break; + + case APU_WRC2: + + apu->triangle.regs[1] = value; + +// if (apu->triangle.enabled) + apu->triangle.freq = APU_TO_FIXED((((apu->triangle.regs[2] & 7) << 8) + value) + 1); + break; + + case APU_WRC3: + + apu->triangle.regs[2] = value; + + /* this is somewhat of a hack. there appears to be some latency on + ** the Real Thing between when trireg0 is written to and when the + ** linear length counter actually begins its countdown. we want to + ** prevent the case where the program writes to the freq regs first, + ** then to reg 0, and the counter accidentally starts running because + ** of the sound queue's timestamp processing. + ** + ** set latency to a couple scanlines -- should be plenty of time for + ** the 6502 code to do a couple of table dereferences and load up the + ** other triregs + */ + + /* 06/13/00 MPC -- seems to work OK */ + apu->triangle.write_latency = (int) (2 * NES_SCANLINE_CYCLES / APU_FROM_FIXED(apu->cycle_rate)); +/* + apu->triangle.linear_length = trilength_lut[apu->triangle.regs[0] & 0x7F]; + if (0 == (apu->triangle.regs[0] & 0x80)) + apu->triangle.countmode = COUNTMODE_COUNT; + else + apu->triangle.countmode = COUNTMODE_LOAD; +*/ +// if (apu->triangle.enabled) + { + apu->triangle.freq = APU_TO_FIXED((((value & 7) << 8) + apu->triangle.regs[1]) + 1); + apu->triangle.vbl_length = vbl_lut[value >> 3]; + apu->triangle.counter_started = FALSE; + apu->triangle.linear_length = trilength_lut[apu->triangle.regs[0] & 0x7F]; + } + + break; + + /* noise */ + case APU_WRD0: + apu->noise.regs[0] = value; + apu->noise.env_delay = decay_lut[value & 0x0F]; + apu->noise.holdnote = (value & 0x20) ? TRUE : FALSE; + apu->noise.fixed_envelope = (value & 0x10) ? TRUE : FALSE; + apu->noise.volume = value & 0x0F; + break; + + case APU_WRD2: + apu->noise.regs[1] = value; + apu->noise.freq = APU_TO_FIXED(noise_freq[value & 0x0F]); + +#ifdef REALTIME_NOISE + apu->noise.xor_tap = (value & 0x80) ? 0x40: 0x02; +#else + /* detect transition from long->short sample */ + if ((value & 0x80) && FALSE == apu->noise.short_sample) + { + /* recalculate short noise buffer */ + shift_register15(noise_short_lut, APU_NOISE_93); + apu->noise.cur_pos = 0; + } + apu->noise.short_sample = (value & 0x80) ? TRUE : FALSE; +#endif + break; + + case APU_WRD3: + apu->noise.regs[2] = value; + +// if (apu->noise.enabled) + { + apu->noise.vbl_length = vbl_lut[value >> 3]; + apu->noise.env_vol = 0; /* reset envelope */ + } + break; + + /* DMC */ + case APU_WRE0: + apu->dmc.regs[0] = value; + + apu->dmc.freq = APU_TO_FIXED(dmc_clocks[value & 0x0F]); + apu->dmc.looping = (value & 0x40) ? TRUE : FALSE; + + if (value & 0x80) + apu->dmc.irq_gen = TRUE; + else + { + apu->dmc.irq_gen = FALSE; + apu->dmc.irq_occurred = FALSE; + } + break; + + case APU_WRE1: /* 7-bit DAC */ + /* add the _delta_ between written value and + ** current output level of the volume reg + */ + value &= 0x7F; /* bit 7 ignored */ + apu->dmc.output_vol += ((value - apu->dmc.regs[1]) << 8); + apu->dmc.regs[1] = value; +/* + apu->dmc.output_vol = (value & 0x7F) << 8; + apu->dmc.regs[1] = (value & 0x7E) >> 1; +*/ + break; + + case APU_WRE2: + apu->dmc.regs[2] = value; + apu->dmc.cached_addr = 0xC000 + (uint16) (value << 6); + break; + + case APU_WRE3: + apu->dmc.regs[3] = value; + apu->dmc.cached_dmalength = ((value << 4) + 1) << 3; + break; + + case APU_SMASK: + /* bodge for timestamp queue */ + apu->dmc.enabled = (value & 0x10) ? TRUE : FALSE; + + apu->enable_reg = value; + + for (chan = 0; chan < 2; chan++) + { + if (value & (1 << chan)) + apu->rectangle[chan].enabled = TRUE; + else + { + apu->rectangle[chan].enabled = FALSE; + apu->rectangle[chan].vbl_length = 0; + } + } + + if (value & 0x04) + apu->triangle.enabled = TRUE; + else + { + apu->triangle.enabled = FALSE; + apu->triangle.vbl_length = 0; + apu->triangle.linear_length = 0; + apu->triangle.counter_started = FALSE; + apu->triangle.write_latency = 0; + } + + if (value & 0x08) + apu->noise.enabled = TRUE; + else + { + apu->noise.enabled = FALSE; + apu->noise.vbl_length = 0; + } + + if (value & 0x10) + { + if (0 == apu->dmc.dma_length) + apu_dmcreload(&apu->dmc); + } + else + apu->dmc.dma_length = 0; + + apu->dmc.irq_occurred = FALSE; + break; + + /* unused, but they get hit in some mem-clear loops */ + case 0x4009: + case 0x400D: + break; + + default: + break; + } +} + +/* Read from $4000-$4017 */ +uint8 apu_read(uint32 address) +{ + uint8 value; + + ASSERT(apu); + + switch (address) + { + case APU_SMASK: + /* seems that bit 6 denotes vblank -- return 1 for now */ + value = 0x40; + + /* Return 1 in 0-5 bit pos if a channel is playing */ + if (apu->rectangle[0].enabled && apu->rectangle[0].vbl_length) + value |= 0x01; + if (apu->rectangle[1].enabled && apu->rectangle[1].vbl_length) + value |= 0x02; + if (apu->triangle.enabled && apu->triangle.vbl_length) + value |= 0x04; + if (apu->noise.enabled && apu->noise.vbl_length) + value |= 0x08; + + //if (apu->dmc.dma_length) + /* bodge for timestamp queue */ + if (apu->dmc.enabled) + value |= 0x10; + + if (apu->dmc.irq_occurred) + value |= 0x80; + + break; + +#ifndef NSF_PLAYER + case APU_JOY0: + value = input_get(INP_JOYPAD0); + break; + + case APU_JOY1: + value = input_get(INP_ZAPPER | INP_JOYPAD1 /*| INP_ARKANOID*/ /*| INP_POWERPAD*/); + break; +#endif /* !NSF_PLAYER */ + + default: + value = (address >> 8); /* heavy capacitance on data bus */ + break; + } + + return value; +} + + +void apu_write(uint32 address, uint8 value) +{ +#ifndef NSF_PLAYER + static uint8 last_write; +#endif /* !NSF_PLAYER */ + apudata_t d; + + switch (address) + { + case 0x4015: + /* bodge for timestamp queue */ + apu->dmc.enabled = (value & 0x10) ? TRUE : FALSE; + + case 0x4000: case 0x4001: case 0x4002: case 0x4003: + case 0x4004: case 0x4005: case 0x4006: case 0x4007: + case 0x4008: case 0x4009: case 0x400A: case 0x400B: + case 0x400C: case 0x400D: case 0x400E: case 0x400F: + case 0x4010: case 0x4011: case 0x4012: case 0x4013: + d.timestamp = nes6502_getcycles(FALSE); + d.address = address; + d.value = value; + apu_enqueue(&d); + break; + +#ifndef NSF_PLAYER + case APU_OAMDMA: + ppu_oamdma(address, value); + break; + + case APU_JOY0: + /* VS system VROM switching */ + mmc_vsvrom(value & 4); + + /* see if we need to strobe them joypads */ + value &= 1; + if ((0 == value) && last_write) + input_strobe(); + last_write = value; + break; + + case APU_JOY1: /* Some kind of IRQ control business */ + break; + +#endif /* !NSF_PLAYER */ + + default: + break; + } +} + +void apu_getpcmdata(void **data, int *num_samples, int *sample_bits) +{ + ASSERT(apu); + *data = apu->buffer; + *num_samples = apu->num_samples; + *sample_bits = apu->sample_bits; +} + + +void apu_process(void *buffer, int num_samples) +{ + apudata_t *d; + uint32 elapsed_cycles; + static int32 prev_sample = 0; + int32 next_sample, accum; + + ASSERT(apu); + + /* grab it, keep it local for speed */ + elapsed_cycles = (uint32) apu->elapsed_cycles; + + /* BLEH */ + apu->buffer = buffer; + + while (num_samples--) + { + while ((FALSE == APU_QEMPTY()) && (apu->queue[apu->q_tail].timestamp <= elapsed_cycles)) + { + d = apu_dequeue(); + apu_regwrite(d->address, d->value); + } + + elapsed_cycles += APU_FROM_FIXED(apu->cycle_rate); + + accum = 0; + if (apu->mix_enable[0]) accum += apu_rectangle(&apu->rectangle[0]); + if (apu->mix_enable[1]) accum += apu_rectangle(&apu->rectangle[1]); + if (apu->mix_enable[2]) accum += apu_triangle(&apu->triangle); + if (apu->mix_enable[3]) accum += apu_noise(&apu->noise); + if (apu->mix_enable[4]) accum += apu_dmc(&apu->dmc); + + if (apu->ext && apu->mix_enable[5]) accum += apu->ext->process(); + + /* do any filtering */ + if (APU_FILTER_NONE != apu->filter_type) + { + next_sample = accum; + + if (APU_FILTER_LOWPASS == apu->filter_type) + { + accum += prev_sample; + accum >>= 1; + } + else + accum = (accum + accum + accum + prev_sample) >> 2; + + prev_sample = next_sample; + } + + /* little extra kick for the kids */ + accum <<= 1; + + /* prevent clipping */ + if (accum > 0x7FFF) + accum = 0x7FFF; + else if (accum < -0x8000) + accum = -0x8000; + + /* signed 16-bit output, unsigned 8-bit */ + if (16 == apu->sample_bits) { + *((int16 *) buffer) = (int16) accum; + buffer = (int16 *) buffer + 1; + } else { + *((uint8 *) buffer) = (accum >> 8) ^ 0x80; + buffer = (int8 *) buffer + 1; + } + } + + /* resync cycle counter */ + apu->elapsed_cycles = nes6502_getcycles(FALSE); +} + +/* set the filter type */ +void apu_setfilter(int filter_type) +{ + ASSERT(apu); + apu->filter_type = filter_type; +} + +void apu_reset(void) +{ + uint32 address; + + ASSERT(apu); + + apu->elapsed_cycles = 0; + memset(&apu->queue, 0, APUQUEUE_SIZE * sizeof(apudata_t)); + apu->q_head = 0; + apu->q_tail = 0; + + /* use to avoid bugs =) */ + for (address = 0x4000; address <= 0x4013; address++) + apu_regwrite(address, 0); + +#ifdef NSF_PLAYER + apu_regwrite(0x400C, 0x10); /* silence noise channel on NSF start */ + apu_regwrite(0x4015, 0x0F); +#else + apu_regwrite(0x4015, 0); +#endif /* NSF_PLAYER */ + + if (apu->ext) + apu->ext->reset(); +} + +static void apu_build_luts(int num_samples) +{ + int i; + + /* lut used for enveloping and frequency sweeps */ + for (i = 0; i < 16; i++) + decay_lut[i] = num_samples * (i + 1); + + /* used for note length, based on vblanks and size of audio buffer */ + for (i = 0; i < 32; i++) + vbl_lut[i] = vbl_length[i] * num_samples; + + /* triangle wave channel's linear length table */ + for (i = 0; i < 128; i++) + trilength_lut[i] = (i * num_samples) / 4; + +#ifndef REALTIME_NOISE + /* generate noise samples */ + shift_register15(noise_long_lut, APU_NOISE_32K); + shift_register15(noise_short_lut, APU_NOISE_93); +#endif /* !REALTIME_NOISE */ +} + +static void apu_setactive(apu_t *active) +{ + ASSERT(active); + apu = active; +} + +/* Initializes emulated sound hardware, creates waveforms/voices */ +apu_t *apu_create(int sample_rate, int refresh_rate, int sample_bits, boolean stereo) +{ + apu_t *temp_apu; + int channel; + + temp_apu = malloc(sizeof(apu_t)); + if (NULL == temp_apu) + return NULL; + + temp_apu->sample_rate = sample_rate; + temp_apu->refresh_rate = refresh_rate; + temp_apu->sample_bits = sample_bits; + + temp_apu->num_samples = sample_rate / refresh_rate; + /* turn into fixed point! */ + temp_apu->cycle_rate = (int32) (APU_BASEFREQ * 65536.0 / (float) sample_rate); + + /* build various lookup tables for apu */ + apu_build_luts(temp_apu->num_samples); + + /* set the update routine */ + temp_apu->process = apu_process; + temp_apu->ext = NULL; + + apu_setactive(temp_apu); + apu_reset(); + + for (channel = 0; channel < 6; channel++) + apu_setchan(channel, TRUE); + + apu_setfilter(APU_FILTER_LOWPASS); + + return temp_apu; +} + +apu_t *apu_getcontext(void) +{ + return apu; +} + +void apu_destroy(apu_t *src_apu) +{ + if (src_apu) + { + if (src_apu->ext) + src_apu->ext->shutdown(); + free(src_apu); + } +} + +void apu_setext(apu_t *src_apu, apuext_t *ext) +{ + ASSERT(src_apu); + + src_apu->ext = ext; + + /* initialize it */ + if (src_apu->ext) + src_apu->ext->init(); +} + +/* this exists for external mixing routines */ +int32 apu_getcyclerate(void) +{ + ASSERT(apu); + return apu->cycle_rate; +} + +/* +** $Log: nes_apu.c,v $ +** Revision 1.4 2005/05/07 09:11:39 valtri +** *BUGFIX* +** gcc4 patches from Dams Nadé (livna.org) and Keenan Pepper. +** +** Revision 1.3 2004/12/12 06:55:59 athp +** Code cleanups and elimination of some compiler warnings; patch courtesy of AL13N +** +** Revision 1.2 2003/08/25 21:51:43 f1rmb +** Reduce GCC verbosity (various prototype declaration fixes). ffmpeg, wine and fft*post are untouched (fft: for now). +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.19 2000/07/04 04:53:26 matt +** minor changes, sound amplification +** +** Revision 1.18 2000/07/03 02:18:53 matt +** much better external module exporting +** +** Revision 1.17 2000/06/26 11:01:55 matt +** made triangle a tad quieter +** +** Revision 1.16 2000/06/26 05:10:33 matt +** fixed cycle rate generation accuracy +** +** Revision 1.15 2000/06/26 05:00:37 matt +** cleanups +** +** Revision 1.14 2000/06/23 11:06:24 matt +** more faithful mixing of channels +** +** Revision 1.13 2000/06/23 03:29:27 matt +** cleaned up external sound inteface +** +** Revision 1.12 2000/06/20 00:08:39 matt +** bugfix to rectangle wave +** +** Revision 1.11 2000/06/13 13:48:58 matt +** fixed triangle write latency for fixed point apu cycle rate +** +** Revision 1.10 2000/06/12 01:14:36 matt +** minor change to clipping extents +** +** Revision 1.9 2000/06/09 20:00:56 matt +** fixed noise hiccup in NSF player mode +** +** Revision 1.8 2000/06/09 16:49:02 matt +** removed all floating point from sound generation +** +** Revision 1.7 2000/06/09 15:12:28 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/nes_apu.h b/contrib/nosefart/nes_apu.h new file mode 100644 index 000000000..09b5842d9 --- /dev/null +++ b/contrib/nosefart/nes_apu.h @@ -0,0 +1,331 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** nes_apu.h +** +** NES APU emulation header file +** $Id: nes_apu.h,v 1.2 2003/01/09 19:50:03 jkeil Exp $ +*/ + +#ifndef _NES_APU_H_ +#define _NES_APU_H_ + +#ifdef __GNUC__ +#define INLINE static inline +#elif defined(WIN32) +#define INLINE static __inline +#else +#define INLINE static +#endif + +/* define this for realtime generated noise */ +#define REALTIME_NOISE + +#define APU_WRA0 0x4000 +#define APU_WRA1 0x4001 +#define APU_WRA2 0x4002 +#define APU_WRA3 0x4003 +#define APU_WRB0 0x4004 +#define APU_WRB1 0x4005 +#define APU_WRB2 0x4006 +#define APU_WRB3 0x4007 +#define APU_WRC0 0x4008 +#define APU_WRC2 0x400A +#define APU_WRC3 0x400B +#define APU_WRD0 0x400C +#define APU_WRD2 0x400E +#define APU_WRD3 0x400F +#define APU_WRE0 0x4010 +#define APU_WRE1 0x4011 +#define APU_WRE2 0x4012 +#define APU_WRE3 0x4013 + +#define APU_OAMDMA 0x4014 +#define APU_SMASK 0x4015 +#define APU_JOY0 0x4016 +#define APU_JOY1 0x4017 + +/* length of generated noise */ +#define APU_NOISE_32K 0x7FFF +#define APU_NOISE_93 93 + +#define APU_BASEFREQ (NES_MASTER_CLOCK / 12) + +/* to/from 16.16 fixed point */ +#define APU_TO_FIXED(x) ((x) << 16) +#define APU_FROM_FIXED(x) ((x) >> 16) + + +/* channel structures */ +/* As much data as possible is precalculated, +** to keep the sample processing as lean as possible +*/ + +typedef struct rectangle_s +{ + uint8 regs[4]; + + boolean enabled; + + int32 phaseacc; + int32 freq; + int32 output_vol; + boolean fixed_envelope; + boolean holdnote; + uint8 volume; + + int32 sweep_phase; + int32 sweep_delay; + boolean sweep_on; + uint8 sweep_shifts; + uint8 sweep_length; + boolean sweep_inc; + int32 freq_limit; + + int32 env_phase; + int32 env_delay; + uint8 env_vol; + + int vbl_length; + uint8 adder; + int duty_flip; +} rectangle_t; + +/* +enum +{ + COUNTMODE_LOAD, + COUNTMODE_COUNT +}; +*/ + +typedef struct triangle_s +{ + uint8 regs[3]; + + boolean enabled; + + int32 freq; + int32 phaseacc; + int32 output_vol; + + uint8 adder; + + boolean holdnote; + boolean counter_started; + /* quasi-hack */ + int write_latency; + +// boolean countmode; + + int vbl_length; + int linear_length; + +} triangle_t; + + +typedef struct noise_s +{ + uint8 regs[3]; + + boolean enabled; + + int32 freq; + int32 phaseacc; + int32 output_vol; + + int32 env_phase; + int32 env_delay; + uint8 env_vol; + boolean fixed_envelope; + boolean holdnote; + + uint8 volume; + + int vbl_length; + +#ifdef REALTIME_NOISE + uint8 xor_tap; +#else + boolean short_sample; + int cur_pos; +#endif /* REALTIME_NOISE */ +} noise_t; + +typedef struct dmc_s +{ + uint8 regs[4]; + + /* bodge for timestamp queue */ + boolean enabled; + + int32 freq; + int32 phaseacc; + int32 output_vol; + + uint32 address; + uint32 cached_addr; + int dma_length; + int cached_dmalength; + uint8 cur_byte; + + boolean looping; + boolean irq_gen; + boolean irq_occurred; + +} dmc_t; + +enum +{ + APU_FILTER_NONE, + APU_FILTER_LOWPASS, + APU_FILTER_WEIGHTED +}; + +typedef struct +{ + uint32 min_range, max_range; + uint8 (*read_func)(uint32 address); +} apu_memread; + +typedef struct +{ + uint32 min_range, max_range; + void (*write_func)(uint32 address, uint8 value); +} apu_memwrite; + +/* external sound chip stuff */ +typedef struct apuext_s +{ + void (*init)(void); + void (*shutdown)(void); + void (*reset)(void); + int32 (*process)(void); + apu_memread *mem_read; + apu_memwrite *mem_write; +} apuext_t; + + +/* APU queue structure */ +#define APUQUEUE_SIZE 4096 +#define APUQUEUE_MASK (APUQUEUE_SIZE - 1) + +/* apu ring buffer member */ +typedef struct apudata_s +{ + uint32 timestamp, address; + uint8 value; +} apudata_t; + + +typedef struct apu_s +{ + rectangle_t rectangle[2]; + triangle_t triangle; + noise_t noise; + dmc_t dmc; + uint8 enable_reg; + + apudata_t queue[APUQUEUE_SIZE]; + int q_head, q_tail; + uint32 elapsed_cycles; + + void *buffer; /* pointer to output buffer */ + int num_samples; + + boolean mix_enable[6]; + int filter_type; + + int32 cycle_rate; + + int sample_rate; + int sample_bits; + int refresh_rate; + + void (*process)(void *buffer, int num_samples); + + /* external sound chip */ + apuext_t *ext; +} apu_t; + + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* Function prototypes */ +extern apu_t *apu_create(int sample_rate, int refresh_rate, int sample_bits, boolean stereo); +extern void apu_destroy(apu_t *apu); +extern void apu_setext(apu_t *apu, apuext_t *ext); +extern void apu_setfilter(int filter_type); +extern void apu_process(void *buffer, int num_samples); +extern void apu_reset(void); +extern void apu_setchan(int chan, boolean enabled); +extern int32 apu_getcyclerate(void); +extern apu_t *apu_getcontext(void); + +extern uint8 apu_read(uint32 address); +extern void apu_write(uint32 address, uint8 value); + +/* for visualization */ +extern void apu_getpcmdata(void **data, int *num_samples, int *sample_bits); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _NES_APU_H_ */ + +/* +** $Log: nes_apu.h,v $ +** Revision 1.2 2003/01/09 19:50:03 jkeil +** NSF audio files were crashing on SPARC. +** +** - Define the correct HOST_ENDIAN for SPARC +** - remove unaligned memory accesses +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.12 2000/07/04 04:54:48 matt +** minor changes that helped with MAME +** +** Revision 1.11 2000/07/03 02:18:53 matt +** much better external module exporting +** +** Revision 1.10 2000/06/26 05:00:37 matt +** cleanups +** +** Revision 1.9 2000/06/23 03:29:28 matt +** cleaned up external sound inteface +** +** Revision 1.8 2000/06/20 04:06:16 matt +** migrated external sound definition to apu module +** +** Revision 1.7 2000/06/20 00:07:35 matt +** added convenience members to apu_t struct +** +** Revision 1.6 2000/06/09 16:49:02 matt +** removed all floating point from sound generation +** +** Revision 1.5 2000/06/09 15:12:28 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/nsf.c b/contrib/nosefart/nsf.c new file mode 100644 index 000000000..6bbc96423 --- /dev/null +++ b/contrib/nosefart/nsf.c @@ -0,0 +1,632 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** nsf.c +** +** NSF loading/saving related functions +** $Id: nsf.c,v 1.4 2006/09/26 00:52:17 dgp85 Exp $ +*/ + +#include +#include +#include "types.h" +#include "nsf.h" +#include "log.h" +#include "nes6502.h" +#include "nes_apu.h" +#include "vrcvisnd.h" +#include "vrc7_snd.h" +#include "mmc5_snd.h" +#include "fds_snd.h" + +/* TODO: bleh! should encapsulate in NSF */ +#define MAX_ADDRESS_HANDLERS 32 +static nes6502_memread nsf_readhandler[MAX_ADDRESS_HANDLERS]; +static nes6502_memwrite nsf_writehandler[MAX_ADDRESS_HANDLERS]; + +static nsf_t *cur_nsf = NULL; + +static void nsf_setcontext(nsf_t *nsf) +{ + ASSERT(nsf); + cur_nsf = nsf; +} + +static uint8 read_mirrored_ram(uint32 address) +{ + return cur_nsf->cpu->mem_page[0][address & 0x7FF]; +} + +static void write_mirrored_ram(uint32 address, uint8 value) +{ + cur_nsf->cpu->mem_page[0][address & 0x7FF] = value; +} + +/* can be used for both banked and non-bankswitched NSFs */ +static void nsf_bankswitch(uint32 address, uint8 value) +{ + int cpu_page; + uint8 *offset; + + cpu_page = address & 0x0F; + offset = (cur_nsf->data - (cur_nsf->load_addr & 0x0FFF)) + (value << 12); + + nes6502_getcontext(cur_nsf->cpu); + cur_nsf->cpu->mem_page[cpu_page] = offset; + nes6502_setcontext(cur_nsf->cpu); +} + +static nes6502_memread default_readhandler[] = +{ + { 0x0800, 0x1FFF, read_mirrored_ram }, + { 0x4000, 0x4017, apu_read }, + { -1, -1, NULL } +}; + +static nes6502_memwrite default_writehandler[] = +{ + { 0x0800, 0x1FFF, write_mirrored_ram }, + { 0x4000, 0x4017, apu_write }, + { 0x5FF6, 0x5FFF, nsf_bankswitch }, + { -1, -1, NULL} +}; + +static uint8 invalid_read(uint32 address) +{ +#ifdef NOFRENDO_DEBUG + log_printf("filthy NSF read from $%04X\n", address); +#endif /* NOFRENDO_DEBUG */ + + return 0xFF; +} + +static void invalid_write(uint32 address, uint8 value) +{ +#ifdef NOFRENDO_DEBUG + log_printf("filthy NSF tried to write $%02X to $%04X\n", value, address); +#endif /* NOFRENDO_DEBUG */ +} + +/* set up the address handlers that the CPU uses */ +static void build_address_handlers(nsf_t *nsf) +{ + int count, num_handlers; + + memset(nsf_readhandler, 0, sizeof(nsf_readhandler)); + memset(nsf_writehandler, 0, sizeof(nsf_writehandler)); + + num_handlers = 0; + for (count = 0; num_handlers < MAX_ADDRESS_HANDLERS; count++, num_handlers++) + { + if (NULL == default_readhandler[count].read_func) + break; + + memcpy(&nsf_readhandler[num_handlers], &default_readhandler[count], + sizeof(nes6502_memread)); + } + + if (nsf->apu->ext) + { + if (NULL != nsf->apu->ext->mem_read) + { + for (count = 0; num_handlers < MAX_ADDRESS_HANDLERS; count++, num_handlers++) + { + if (NULL == nsf->apu->ext->mem_read[count].read_func) + break; + + memcpy(&nsf_readhandler[num_handlers], &nsf->apu->ext->mem_read[count], + sizeof(nes6502_memread)); + } + } + } + + /* catch-all for bad reads */ + nsf_readhandler[num_handlers].min_range = 0x2000; /* min address */ + nsf_readhandler[num_handlers].max_range = 0x5BFF; /* max address */ + nsf_readhandler[num_handlers].read_func = invalid_read; /* handler */ + num_handlers++; + nsf_readhandler[num_handlers].min_range = -1; + nsf_readhandler[num_handlers].max_range = -1; + nsf_readhandler[num_handlers].read_func = NULL; + num_handlers++; + ASSERT(num_handlers <= MAX_ADDRESS_HANDLERS); + + num_handlers = 0; + for (count = 0; num_handlers < MAX_ADDRESS_HANDLERS; count++, num_handlers++) + { + if (NULL == default_writehandler[count].write_func) + break; + + memcpy(&nsf_writehandler[num_handlers], &default_writehandler[count], + sizeof(nes6502_memwrite)); + } + + if (nsf->apu->ext) + { + if (NULL != nsf->apu->ext->mem_write) + { + for (count = 0; num_handlers < MAX_ADDRESS_HANDLERS; count++, num_handlers++) + { + if (NULL == nsf->apu->ext->mem_write[count].write_func) + break; + + memcpy(&nsf_writehandler[num_handlers], &nsf->apu->ext->mem_write[count], + sizeof(nes6502_memwrite)); + } + } + } + + /* catch-all for bad writes */ + nsf_writehandler[num_handlers].min_range = 0x2000; /* min address */ + nsf_writehandler[num_handlers].max_range = 0x5BFF; /* max address */ + nsf_writehandler[num_handlers].write_func = invalid_write; /* handler */ + num_handlers++; + /* protect region at $8000-$FFFF */ + nsf_writehandler[num_handlers].min_range = 0x8000; /* min address */ + nsf_writehandler[num_handlers].max_range = 0xFFFF; /* max address */ + nsf_writehandler[num_handlers].write_func = invalid_write; /* handler */ + num_handlers++; + nsf_writehandler[num_handlers].min_range = -1; + nsf_writehandler[num_handlers].max_range = -1; + nsf_writehandler[num_handlers].write_func = NULL; + num_handlers++; + ASSERT(num_handlers <= MAX_ADDRESS_HANDLERS); +} + +#define NSF_ROUTINE_LOC 0x5000 + +/* sets up a simple loop that calls the desired routine and spins */ +static void nsf_setup_routine(uint32 address, uint8 a_reg, uint8 x_reg) +{ + uint8 *mem; + + nes6502_getcontext(cur_nsf->cpu); + mem = cur_nsf->cpu->mem_page[NSF_ROUTINE_LOC >> 12] + (NSF_ROUTINE_LOC & 0x0FFF); + + /* our lovely 4-byte 6502 NSF player */ + mem[0] = 0x20; /* JSR address */ + mem[1] = address & 0xFF; + mem[2] = address >> 8; + mem[3] = 0xF2; /* JAM (cpu kill op) */ + + cur_nsf->cpu->pc_reg = NSF_ROUTINE_LOC; + cur_nsf->cpu->a_reg = a_reg; + cur_nsf->cpu->x_reg = x_reg; + cur_nsf->cpu->y_reg = 0; + cur_nsf->cpu->s_reg = 0xFF; + + nes6502_setcontext(cur_nsf->cpu); +} + +/* retrieve any external soundchip driver */ +static apuext_t *nsf_getext(nsf_t *nsf) +{ + switch (nsf->ext_sound_type) + { + case EXT_SOUND_VRCVI: + return &vrcvi_ext; + + case EXT_SOUND_VRCVII: + return &vrc7_ext; + + case EXT_SOUND_FDS: + return &fds_ext; + + case EXT_SOUND_MMC5: + return &mmc5_ext; + + case EXT_SOUND_NAMCO106: + case EXT_SOUND_SUNSOFT_FME07: + case EXT_SOUND_NONE: + default: + return NULL; + } +} + +static void nsf_inittune(nsf_t *nsf) +{ + uint8 bank, x_reg; + uint8 start_bank, num_banks; + + memset(nsf->cpu->mem_page[0], 0, 0x800); + memset(nsf->cpu->mem_page[6], 0, 0x1000); + memset(nsf->cpu->mem_page[7], 0, 0x1000); + + if (nsf->bankswitched) + { + /* the first hack of the NSF spec! */ + if (EXT_SOUND_FDS == nsf->ext_sound_type) + { + nsf_bankswitch(0x5FF6, nsf->bankswitch_info[6]); + nsf_bankswitch(0x5FF7, nsf->bankswitch_info[7]); + } + + for (bank = 0; bank < 8; bank++) + nsf_bankswitch(0x5FF8 + bank, nsf->bankswitch_info[bank]); + } + else + { + /* not bankswitched, just page in our standard stuff */ + ASSERT(nsf->load_addr + nsf->length <= 0x10000); + + /* avoid ripper filth */ + for (bank = 0; bank < 8; bank++) + nsf_bankswitch(0x5FF8 + bank, bank); + + start_bank = nsf->load_addr >> 12; + num_banks = ((nsf->load_addr + nsf->length - 1) >> 12) - start_bank + 1; + + for (bank = 0; bank < num_banks; bank++) + nsf_bankswitch(0x5FF0 + start_bank + bank, bank); + } + + /* determine PAL/NTSC compatibility shite */ + if (nsf->pal_ntsc_bits & NSF_DEDICATED_PAL) + x_reg = 1; + else + x_reg = 0; + + /* execute 1 frame or so; let init routine run free */ + nsf_setup_routine(nsf->init_addr, (uint8) (nsf->current_song - 1), x_reg); + nes6502_execute((int) NES_FRAME_CYCLES); +} + +void nsf_frame(nsf_t *nsf) +{ + //nsf_setcontext(nsf); /* future expansion =) */ + + /* one frame of NES processing */ + nsf_setup_routine(nsf->play_addr, 0, 0); + nes6502_execute((int) NES_FRAME_CYCLES); +} + +/* Deallocate memory */ +static void nes_shutdown(nsf_t *nsf) +{ + int i; + + ASSERT(nsf); + + if (nsf->cpu) + { + if (nsf->cpu->mem_page[0]) + free(nsf->cpu->mem_page[0]); + for (i = 5; i <= 7; i++) + { + if (nsf->cpu->mem_page[i]) + free(nsf->cpu->mem_page[i]); + } + free(nsf->cpu); + } +} + +void nsf_init(void) +{ + nes6502_init(); +} + +/* Initialize NES CPU, hardware, etc. */ +static int nsf_cpuinit(nsf_t *nsf) +{ + int i; + + nsf->cpu = malloc(sizeof(nes6502_context)); + if (NULL == nsf->cpu) + return -1; + + memset(nsf->cpu, 0, sizeof(nes6502_context)); + + nsf->cpu->mem_page[0] = malloc(0x800); + if (NULL == nsf->cpu->mem_page[0]) + return -1; + + /* allocate some space for the NSF "player" MMC5 EXRAM, and WRAM */ + for (i = 5; i <= 7; i++) + { + nsf->cpu->mem_page[i] = malloc(0x1000); + if (NULL == nsf->cpu->mem_page[i]) + return -1; + } + + nsf->cpu->read_handler = nsf_readhandler; + nsf->cpu->write_handler = nsf_writehandler; + + return 0; +} + +static void nsf_setup(nsf_t *nsf) +{ + int i; + + nsf->current_song = nsf->start_song; + + if (nsf->pal_ntsc_bits & NSF_DEDICATED_PAL) + { + if (nsf->pal_speed) + nsf->playback_rate = 1000000 / nsf->pal_speed; + else + nsf->playback_rate = 50; /* 50 Hz */ + } + else + { + if (nsf->ntsc_speed) + nsf->playback_rate = 1000000 / nsf->ntsc_speed; + else + nsf->playback_rate = 60; /* 60 Hz */ + } + + nsf->bankswitched = FALSE; + + for (i = 0; i < 8; i++) + { + if (nsf->bankswitch_info[i]) + { + nsf->bankswitched = TRUE; + break; + } + } +} + +#ifdef HOST_LITTLE_ENDIAN +#define SWAP_16(x) (x) +#else /* !HOST_LITTLE_ENDIAN */ +#define SWAP_16(x) (((uint16) x >> 8) | (((uint16) x & 0xFF) << 8)) +#endif /* !HOST_LITTLE_ENDIAN */ + +/* Load a ROM image into memory */ +nsf_t *nsf_load(char *filename, void *source, int length) +{ + FILE *fp = NULL; + char *new_fn = NULL; + nsf_t *temp_nsf; + + if (NULL == filename && NULL == source) + return NULL; + + if (NULL == source) + { + fp = fopen(filename, "rb"); + + /* Didn't find the file? Maybe the .NSF extension was omitted */ + if (NULL == fp) + { + new_fn = malloc(strlen(filename) + 5); + if (NULL == new_fn) + return NULL; + strcpy(new_fn, filename); + + if (NULL == strrchr(new_fn, '.')) + strcat(new_fn, ".nsf"); + + fp = fopen(new_fn, "rb"); + + if (NULL == fp) + { + log_printf("could not find file '%s'\n", new_fn); + free(new_fn); + return NULL; + } + } + } + + temp_nsf = malloc(sizeof(nsf_t)); + if (NULL == temp_nsf) { + fclose(fp); + free(new_fn); + return NULL; + } + + /* Read in the header */ + if (NULL == source) + fread(temp_nsf, 1, NSF_HEADER_SIZE, fp); + else + memcpy(temp_nsf, source, NSF_HEADER_SIZE); + + if (memcmp(temp_nsf->id, NSF_MAGIC, 5)) + { + if (NULL == source) + { + log_printf("%s is not an NSF format file\n", new_fn); + fclose(fp); + free(new_fn); + } + nsf_free(&temp_nsf); + return NULL; + } + + /* fixup endianness */ + temp_nsf->load_addr = SWAP_16(temp_nsf->load_addr); + temp_nsf->init_addr = SWAP_16(temp_nsf->init_addr); + temp_nsf->play_addr = SWAP_16(temp_nsf->play_addr); + temp_nsf->ntsc_speed = SWAP_16(temp_nsf->ntsc_speed); + temp_nsf->pal_speed = SWAP_16(temp_nsf->pal_speed); + + /* we're now at position 80h */ + if (NULL == source) + { + fseek(fp, 0, SEEK_END); + temp_nsf->length = ftell(fp) - NSF_HEADER_SIZE; + } + else + { + temp_nsf->length = length - NSF_HEADER_SIZE; + } + + /* Allocate NSF space, and load it up! */ + temp_nsf->data = malloc(temp_nsf->length); + if (NULL == temp_nsf->data) + { + log_printf("error allocating memory for NSF data\n"); + nsf_free(&temp_nsf); + return NULL; + } + + /* seek to end of header, read in data */ + if (NULL == source) + { + fseek(fp, NSF_HEADER_SIZE, SEEK_SET); + fread(temp_nsf->data, temp_nsf->length, 1, fp); + + fclose(fp); + + if (new_fn) + free(new_fn); + } + else + memcpy(temp_nsf->data, (uint8 *) source + NSF_HEADER_SIZE, length - NSF_HEADER_SIZE); + + /* Set up some variables */ + nsf_setup(temp_nsf); + + temp_nsf->apu = NULL; /* just make sure */ + + if (nsf_cpuinit(temp_nsf)) + { + nsf_free(&temp_nsf); + return NULL; + } + + return temp_nsf; +} + +/* Free an NSF */ +void nsf_free(nsf_t **nsf) +{ + if (*nsf) + { + if ((*nsf)->apu) + apu_destroy((*nsf)->apu); + + nes_shutdown(*nsf); + + if ((*nsf)->data) + free((*nsf)->data); + + free(*nsf); + } +} + +void nsf_setchan(nsf_t *nsf, int chan, boolean enabled) +{ + if (nsf) + { + nsf_setcontext(nsf); + apu_setchan(chan, enabled); + } +} + +void nsf_playtrack(nsf_t *nsf, int track, int sample_rate, int sample_bits, boolean stereo) +{ + ASSERT(nsf); + + /* make this NSF the current context */ + nsf_setcontext(nsf); + + /* create the APU */ + if (nsf->apu) + apu_destroy(nsf->apu); + + nsf->apu = apu_create(sample_rate, nsf->playback_rate, sample_bits, stereo); + if (NULL == nsf->apu) + { + nsf_free(&nsf); + return; + } + + apu_setext(nsf->apu, nsf_getext(nsf)); + + /* go ahead and init all the read/write handlers */ + build_address_handlers(nsf); + + /* convenience? */ + nsf->process = nsf->apu->process; + + nes6502_setcontext(nsf->cpu); + + if (track > nsf->num_songs) + track = nsf->num_songs; + else if (track < 1) + track = 1; + + nsf->current_song = track; + + apu_reset(); + + nsf_inittune(nsf); +} + +void nsf_setfilter(nsf_t *nsf, int filter_type) +{ + if (nsf) + { + nsf_setcontext(nsf); + apu_setfilter(filter_type); + } +} + +/* +** $Log: nsf.c,v $ +** Revision 1.4 2006/09/26 00:52:17 dgp85 +** Free the filename string and close the file pointer when returning. +** +** Found by Coverity Scan. +** +** Revision 1.3 2003/08/25 21:51:43 f1rmb +** Reduce GCC verbosity (various prototype declaration fixes). ffmpeg, wine and fft*post are untouched (fft: for now). +** +** Revision 1.2 2003/01/09 18:36:40 jkeil +** memcpy copies too much, corrupts malloc heap +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.14 2000/07/05 14:54:45 matt +** fix for naughty Crystalis rip +** +** Revision 1.13 2000/07/04 04:59:38 matt +** removed DOS-specific stuff, fixed bug in address handlers +** +** Revision 1.12 2000/07/03 02:19:36 matt +** dynamic address range handlers, cleaner and faster +** +** Revision 1.11 2000/06/23 03:27:58 matt +** cleaned up external sound inteface +** +** Revision 1.10 2000/06/20 20:42:47 matt +** accuracy changes +** +** Revision 1.9 2000/06/20 00:05:58 matt +** changed to driver-based external sound generation +** +** Revision 1.8 2000/06/13 03:51:54 matt +** update API to take freq/sample data on nsf_playtrack +** +** Revision 1.7 2000/06/12 03:57:14 matt +** more robust checking for winamp plugin +** +** Revision 1.6 2000/06/12 01:13:00 matt +** added CPU/APU as members of the nsf struct +** +** Revision 1.5 2000/06/11 16:09:21 matt +** nsf_free is more robust +** +** Revision 1.4 2000/06/09 15:12:26 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/nsf.h b/contrib/nosefart/nsf.h new file mode 100644 index 000000000..79ec1dbb6 --- /dev/null +++ b/contrib/nosefart/nsf.h @@ -0,0 +1,152 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** nsf.h +** +** NSF loading/saving related defines / prototypes +** $Id: nsf.h,v 1.3 2007/01/18 21:34:10 dgp85 Exp $ +*/ + +#ifndef _NSF_H_ +#define _NSF_H_ + +#include "osd.h" +#include "nes6502.h" +#include "nes_apu.h" + +#include "config.h" + +#define NSF_MAGIC "NESM\x1A" + +#define NSF_DEDICATED_PAL 0x01 +#define NSF_DUAL_PAL_NTSC 0x02 + +#define EXT_SOUND_NONE 0x00 +#define EXT_SOUND_VRCVI 0x01 +#define EXT_SOUND_VRCVII 0x02 +#define EXT_SOUND_FDS 0x04 +#define EXT_SOUND_MMC5 0x08 +#define EXT_SOUND_NAMCO106 0x10 +#define EXT_SOUND_SUNSOFT_FME07 0x20 +/* bits 6,7: future expansion */ + +#define NSF_HEADER_SIZE 0x80 + +/* 60 Hertz refresh (NTSC) */ +#define NES_MASTER_CLOCK 21477272.7272 +#define NTSC_REFRESH 60 +#define NTSC_SUBCARRIER_DIV 12 +#define NTSC_SCANLINES 262 + +#define NES_FRAME_CYCLES ((NES_MASTER_CLOCK / NTSC_SUBCARRIER_DIV) / NTSC_REFRESH) +#define NES_SCANLINE_CYCLES (NES_FRAME_CYCLES / NTSC_SCANLINES) + +/* filter levels */ +enum +{ + NSF_FILTER_NONE, + NSF_FILTER_LOWPASS, + NSF_FILTER_WEIGHTED +}; + +typedef struct nsf_s +{ + /* NESM header */ + uint8 id[5]; /* NESM\x1A */ + uint8 version; /* spec version */ + uint8 num_songs; /* total num songs */ + uint8 start_song; /* first song */ + uint16 load_addr; /* loc to load code */ + uint16 init_addr; /* init call address */ + uint16 play_addr; /* play call address */ + uint8 song_name[32]; /* name of song */ + uint8 artist_name[32]; /* artist name */ + uint8 copyright[32]; /* copyright info */ + uint16 ntsc_speed; /* playback speed (if NTSC) */ + uint8 bankswitch_info[8]; /* initial code banking */ + uint16 pal_speed; /* playback speed (if PAL) */ + uint8 pal_ntsc_bits; /* NTSC/PAL determination bits */ + uint8 ext_sound_type; /* type of external sound gen. */ + uint8 reserved[4]; /* reserved */ + + /* things that the NSF player needs */ + uint8 *data; /* actual NSF data */ + uint32 length; /* length of data */ + uint32 playback_rate; /* current playback rate */ + uint8 current_song; /* current song */ + boolean bankswitched; /* is bankswitched? */ + + /* CPU and APU contexts */ + nes6502_context *cpu; + apu_t *apu; + + /* our main processing routine, calls all external mixing routines */ + void (*process)(void *buffer, int num_samples); +} XINE_PACKED nsf_t; + +/* Function prototypes */ +extern void nsf_init(void); + +extern nsf_t *nsf_load(char *filename, void *source, int length); +extern void nsf_free(nsf_t **nsf_info); + +extern void nsf_playtrack(nsf_t *nsf, int track, int sample_rate, int sample_bits, + boolean stereo); +extern void nsf_frame(nsf_t *nsf); +extern void nsf_setchan(nsf_t *nsf, int chan, boolean enabled); +extern void nsf_setfilter(nsf_t *nsf, int filter_type); + +#endif /* _NSF_H_ */ + +/* +** $Log: nsf.h,v $ +** Revision 1.3 2007/01/18 21:34:10 dgp85 +** __attribute__(packed) is used on the struct, not on its members. +** +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.11 2000/07/04 04:59:24 matt +** removed DOS-specific stuff +** +** Revision 1.10 2000/07/03 02:19:36 matt +** dynamic address range handlers, cleaner and faster +** +** Revision 1.9 2000/06/23 03:27:58 matt +** cleaned up external sound inteface +** +** Revision 1.8 2000/06/20 04:04:37 matt +** moved external soundchip struct to apu module +** +** Revision 1.7 2000/06/20 00:05:45 matt +** changed to driver-based external sound generation +** +** Revision 1.6 2000/06/13 03:51:54 matt +** update API to take freq/sample data on nsf_playtrack +** +** Revision 1.5 2000/06/12 01:13:00 matt +** added CPU/APU as members of the nsf struct +** +** Revision 1.4 2000/06/09 15:12:26 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/osd.h b/contrib/nosefart/osd.h new file mode 100644 index 000000000..38b9480c7 --- /dev/null +++ b/contrib/nosefart/osd.h @@ -0,0 +1,94 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** osd.h +** +** O/S dependent routine defintions (must be customized) +** $Id: osd.h,v 1.2 2003/07/12 12:31:14 mroi Exp $ +*/ + +#ifndef _OSD_H_ +#define _OSD_H_ + +#if defined(__GNUC__) || defined(__ICC) +#define PATH_SEP '/' +#ifdef __DJGPP__ +#include +#include "dos_ints.h" +#endif +#elif defined(WIN32) +#define PATH_SEP '\\' +#else /* crapintosh? */ +#define PATH_SEP ':' +#endif + +extern void osd_loginit(void); +extern void osd_logshutdown(void); +extern void osd_logprint(const char *string); + +extern int osd_startsound(void (*playfunc)(void *buffer, int size)); +extern int osd_getsoundbps(void); +extern int osd_getsamplerate(void); + + +#ifndef NSF_PLAYER +#include "rgb.h" +#include "bitmap.h" + +extern bitmap_t *osd_getvidbuf(void); +typedef void (*blitproc_t)(bitmap_t *bmp, int x_pos, int y_pos, int width, int height); +extern blitproc_t osd_blit; +extern void osd_copytoscreen(void); + +extern void osd_showusage(char *filename); +extern void osd_fullname(char *fullname, const char *shortname); +extern char *osd_newextension(char *string, char *ext); + +extern void osd_setpalette(rgb_t *pal); +extern void osd_restorepalette(void); + +extern void osd_getinput(void); +extern int osd_gethostinput(void); +extern void osd_getmouse(int *x, int *y, int *button); + +extern int osd_init(void); +extern void osd_shutdown(void); +#endif /* !NSF_PLAYER */ + +#endif /* _OSD_H_ */ + +/* +** $Log: osd.h,v $ +** Revision 1.2 2003/07/12 12:31:14 mroi +** - adding support for the Intel compiler icc +** - general multipass compilation make targets +** +** Revision 1.1 2003/01/08 07:04:35 tmmm +** initial import of Nosefart sources +** +** Revision 1.7 2000/07/04 04:45:33 matt +** moved INLINE define into types.h +** +** Revision 1.6 2000/06/29 16:06:18 neil +** Wrapped DOS-specific headers in an ifdef +** +** Revision 1.5 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/types.h b/contrib/nosefart/types.h new file mode 100644 index 000000000..01f196035 --- /dev/null +++ b/contrib/nosefart/types.h @@ -0,0 +1,136 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** types.h +** +** Data type definitions +** $Id: types.h,v 1.4 2004/08/27 19:33:37 valtri Exp $ +*/ + +#ifndef _NOSEFART_TYPES_H_ +#define _NOSEFART_TYPES_H_ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* Define this if running on little-endian (x86) systems */ +#ifdef WORDS_BIGENDIAN +#undef HOST_LITTLE_ENDIAN +#else +#define HOST_LITTLE_ENDIAN +#endif + +#ifdef __GNUC__ +#define INLINE static inline +#elif defined(WIN32) +#define INLINE static __inline +#else /* crapintosh? */ +#define INLINE static +#endif + +/* These should be changed depending on the platform */ +typedef char int8; +typedef short int16; +typedef int int32; + +typedef unsigned char uint8; +typedef unsigned short uint16; +typedef unsigned int uint32; + +typedef uint8 boolean; + +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif + +#ifndef NULL +#define NULL ((void *) 0) +#endif + +#ifdef NOFRENDO_DEBUG +#include +#include "memguard.h" +#include "log.h" +#define ASSERT(expr) if (FALSE == (expr))\ + {\ + log_printf("ASSERT: line %d of %s\n", __LINE__, __FILE__);\ + log_shutdown();\ + exit(1);\ + } +#define ASSERT_MSG(msg) {\ + log_printf("ASSERT: %s\n", msg);\ + log_shutdown();\ + exit(1);\ + } +#else /* Not debugging */ +#include "memguard.h" +#define ASSERT(expr) +#define ASSERT_MSG(msg) +#endif + +#endif /* _NOSEFART_TYPES_H_ */ + +/* +** $Log: types.h,v $ +** Revision 1.4 2004/08/27 19:33:37 valtri +** MINGW32 port. Engine library and most of plugins compiles now. +** +** List of some changes: +** - replaced some _MSC_VER by more common WIN32 +** - define INTLDIR, remove -static flag for included intl +** - shared more common CFLAGS with DEBUG_CFLAGS +** - use WIN32_CFLAGS for all building +** - separate some flags into THREAD_CFLAGS_CONFIG, +** THREAD_CFLAGS_CONFIG and ZLIB_LIB_CONFIG for public xine-config, +** automatically use internal libs if necessary +** - don't warn about missing X for mingw and cygwin +** - libw32dll disabled for WIN32 (making native loader would be +** interesting, or porting wine code to Windows? :->) +** - DVB and RTP disabled for WIN32, not ported yet +** - fix build and fix a warning in cdda +** - fix build for nosefart and libfaad +** - implement configure option --disable-freetype +** - sync libxine.pc and xine-config.in +** - add -liberty to goom under WIN32 +** - move original build files from included phread and zlib into archives +** and replace them by autotools +** +** Revision 1.3 2003/01/11 15:53:53 tmmm +** make the Nosefart engine aware of the config's WORDS_BIGENDIAN #define +** +** Revision 1.2 2003/01/09 19:50:04 jkeil +** NSF audio files were crashing on SPARC. +** +** - Define the correct HOST_ENDIAN for SPARC +** - remove unaligned memory accesses +** +** Revision 1.1 2003/01/08 07:04:36 tmmm +** initial import of Nosefart sources +** +** Revision 1.7 2000/07/04 04:46:44 matt +** moved INLINE define from osd.h +** +** Revision 1.6 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/version.h b/contrib/nosefart/version.h new file mode 100644 index 000000000..d7dcb2e5d --- /dev/null +++ b/contrib/nosefart/version.h @@ -0,0 +1,59 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** version.h +** +** Program name / version definitions +** $Id: version.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#ifndef _VERSION_H_ +#define _VERSION_H_ + +#ifdef NSF_PLAYER +#define APP_STRING "Nosefart" +#else +#define APP_STRING "Nofrendo" +#endif /* NSF_PLAYER */ + +#define APP_VERSION "1.92" + +#endif /* _VERSION_H_ */ + +/* +** $Log: version.h,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:36 tmmm +** initial import of Nosefart sources +** +** Revision 1.7 2000/07/04 04:46:55 matt +** updated version number +** +** Revision 1.6 2000/06/20 00:03:39 matt +** updated for 1.91 +** +** Revision 1.5 2000/06/09 17:01:56 matt +** changed version to 1.90 +** +** Revision 1.4 2000/06/09 15:12:25 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/vrc7_snd.c b/contrib/nosefart/vrc7_snd.c new file mode 100644 index 000000000..42cff0103 --- /dev/null +++ b/contrib/nosefart/vrc7_snd.c @@ -0,0 +1,347 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** vrc7_snd.c +** +** VRCVII sound hardware emulation +** Thanks to Charles MacDonald (cgfm2@hooked.net) for donating code. +** $Id: vrc7_snd.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#include +#include "types.h" +#include "vrc7_snd.h" +#include "fmopl.h" + + +static int buflen; +static int16 *buffer; + +#define OPL_WRITE(opl, r, d) \ +{ \ + OPLWrite((opl)->ym3812, 0, (r)); \ + OPLWrite((opl)->ym3812, 1, (d)); \ +} + +static vrc7_t vrc7; + +/* Fixed instrument settings, from MAME's YM2413 emulation */ +/* This might need some tweaking... */ +unsigned char table[16][11] = +{ + /* 20 23 40 43 60 63 80 83 E0 E3 C0 */ + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, + + /* MAME */ + { 0x01, 0x22, 0x23, 0x07, 0xF0, 0xF0, 0x07, 0x18, 0x00, 0x00, 0x00 }, /* Violin */ + { 0x23, 0x01, 0x68, 0x05, 0xF2, 0x74, 0x6C, 0x89, 0x00, 0x00, 0x00 }, /* Acoustic Guitar(steel) */ + { 0x13, 0x11, 0x25, 0x00, 0xD2, 0xB2, 0xF4, 0xF4, 0x00, 0x00, 0x00 }, /* Acoustic Grand */ + { 0x22, 0x21, 0x1B, 0x05, 0xC0, 0xA1, 0x18, 0x08, 0x00, 0x00, 0x00 }, /* Flute */ + { 0x22, 0x21, 0x2C, 0x03, 0xD2, 0xA1, 0x18, 0x57, 0x00, 0x00, 0x00 }, /* Clarinet */ + { 0x01, 0x22, 0xBA, 0x01, 0xF1, 0xF1, 0x1E, 0x04, 0x00, 0x00, 0x00 }, /* Oboe */ + { 0x21, 0x21, 0x28, 0x06, 0xF1, 0xF1, 0x6B, 0x3E, 0x00, 0x00, 0x00 }, /* Trumpet */ + { 0x27, 0x21, 0x60, 0x00, 0xF0, 0xF0, 0x0D, 0x0F, 0x00, 0x00, 0x00 }, /* Church Organ */ + { 0x20, 0x21, 0x2B, 0x06, 0x85, 0xF1, 0x6D, 0x89, 0x00, 0x00, 0x00 }, /* French Horn */ + { 0x01, 0x21, 0xBF, 0x02, 0x53, 0x62, 0x5F, 0xAE, 0x01, 0x00, 0x00 }, /* Synth Voice */ + { 0x23, 0x21, 0x70, 0x07, 0xD4, 0xA3, 0x4E, 0x64, 0x01, 0x00, 0x00 }, /* Harpsichord */ + { 0x2B, 0x21, 0xA4, 0x07, 0xF6, 0x93, 0x5C, 0x4D, 0x00, 0x00, 0x00 }, /* Vibraphone */ + { 0x21, 0x23, 0xAD, 0x07, 0x77, 0xF1, 0x18, 0x37, 0x00, 0x00, 0x00 }, /* Synth Bass 1 */ + { 0x21, 0x21, 0x2A, 0x03, 0xF3, 0xE2, 0x29, 0x46, 0x00, 0x00, 0x00 }, /* Acoustic Bass */ + { 0x21, 0x23, 0x37, 0x03, 0xF3, 0xE2, 0x29, 0x46, 0x00, 0x00, 0x00 }, /* Electric Guitar(clean) */ + + +#if 0 + /* Horton, try 1 */ + { 0x05, 0x03, 0x10, 0x06, 0x74, 0xA1, 0x13, 0xF4, 0x00, 0x00, 0x00 }, + { 0x05, 0x01, 0x16, 0x00, 0xF9, 0xA2, 0x15, 0xF5, 0x00, 0x00, 0x00 }, + { 0x01, 0x41, 0x11, 0x00, 0xA0, 0xA0, 0x83, 0x95, 0x00, 0x00, 0x00 }, + { 0x01, 0x41, 0x17, 0x00, 0x60, 0xF0, 0x83, 0x95, 0x00, 0x00, 0x00 }, + { 0x24, 0x41, 0x1F, 0x00, 0x50, 0xB0, 0x94, 0x94, 0x00, 0x00, 0x00 }, + { 0x05, 0x01, 0x0B, 0x04, 0x65, 0xA0, 0x54, 0x95, 0x00, 0x00, 0x00 }, + { 0x11, 0x41, 0x0E, 0x04, 0x70, 0xC7, 0x13, 0x10, 0x00, 0x00, 0x00 }, + { 0x02, 0x44, 0x16, 0x06, 0xE0, 0xE0, 0x31, 0x35, 0x00, 0x00, 0x00 }, + { 0x48, 0x22, 0x22, 0x07, 0x50, 0xA1, 0xA5, 0xF4, 0x00, 0x00, 0x00 }, + { 0x05, 0xA1, 0x18, 0x00, 0xA2, 0xA2, 0xF5, 0xF5, 0x00, 0x00, 0x00 }, + { 0x07, 0x81, 0x2B, 0x05, 0xA5, 0xA5, 0x03, 0x03, 0x00, 0x00, 0x00 }, + { 0x01, 0x41, 0x08, 0x08, 0xA0, 0xA0, 0x83, 0x95, 0x00, 0x00, 0x00 }, + { 0x21, 0x61, 0x12, 0x00, 0x93, 0x92, 0x74, 0x75, 0x00, 0x00, 0x00 }, + { 0x21, 0x62, 0x21, 0x00, 0x84, 0x85, 0x34, 0x15, 0x00, 0x00, 0x00 }, + { 0x21, 0x62, 0x0E, 0x00, 0xA1, 0xA0, 0x34, 0x15, 0x00, 0x00, 0x00 }, +#endif + +#if 0 + /* Horton try 2 */ + { 0x31, 0x22, 0x23, 0x07, 0xF0, 0xF0, 0xE8, 0xF7, 0x00, 0x00, 0x00 }, + { 0x03, 0x31, 0x68, 0x05, 0xF2, 0x74, 0x79, 0x9C, 0x00, 0x00, 0x00 }, + { 0x01, 0x51, 0x72, 0x04, 0xF1, 0xD3, 0x9D, 0x8B, 0x00, 0x00, 0x00 }, + { 0x22, 0x61, 0x1B, 0x05, 0xC0, 0xA1, 0xF8, 0xE8, 0x00, 0x00, 0x00 }, + { 0x22, 0x61, 0x2C, 0x03, 0xD2, 0xA1, 0xA7, 0xE8, 0x00, 0x00, 0x00 }, + { 0x31, 0x22, 0xFA, 0x01, 0xF1, 0xF1, 0xF4, 0xEE, 0x00, 0x00, 0x00 }, + { 0x21, 0x61, 0x28, 0x06, 0xF1, 0xF1, 0xCE, 0x9B, 0x00, 0x00, 0x00 }, + { 0x27, 0x61, 0x60, 0x00, 0xF0, 0xF0, 0xFF, 0xFD, 0x00, 0x00, 0x00 }, + { 0x60, 0x21, 0x2B, 0x06, 0x85, 0xF1, 0x79, 0x9D, 0x00, 0x00, 0x00 }, + { 0x31, 0xA1, 0xFF, 0x0A, 0x53, 0x62, 0x5E, 0xAF, 0x00, 0x00, 0x00 }, + { 0x03, 0xA1, 0x70, 0x0F, 0xD4, 0xA3, 0x94, 0xBE, 0x00, 0x00, 0x00 }, + { 0x2B, 0x61, 0xE4, 0x07, 0xF6, 0x93, 0xBD, 0xAC, 0x00, 0x00, 0x00 }, + { 0x21, 0x63, 0xED, 0x07, 0x77, 0xF1, 0xC7, 0xE8, 0x00, 0x00, 0x00 }, + { 0x21, 0x61, 0x2A, 0x03, 0xF3, 0xE2, 0xB6, 0xD9, 0x00, 0x00, 0x00 }, + { 0x21, 0x63, 0x37, 0x03, 0xF3, 0xE2, 0xB6, 0xD9, 0x00, 0x00, 0x00 }, +#endif +}; + +static void vrc7_reset(void) +{ + int n; + + /* Point to current VRC7 context */ + vrc7_t *opll = &vrc7; + + /* Clear all YM3812 registers */ + for (n = 0; n < 0x100; n++) + OPL_WRITE(opll, n, 0x00); + + /* Turn off rhythm mode and key-on bits */ + OPL_WRITE(opll, 0xBD, 0xC0); + + /* Enable waveform select */ + OPL_WRITE(opll, 0x01, 0x20); +} + +static void vrc7_init(void) +{ + vrc7.ym3812 = OPLCreate(OPL_TYPE_YM3812, 3579545, apu_getcontext()->sample_rate); + ASSERT(vrc7.ym3812); + buflen = apu_getcontext()->num_samples; + buffer = malloc(buflen * 2); + ASSERT(buffer); + vrc7_reset(); +} + +static void vrc7_shutdown(void) +{ + vrc7_reset(); + OPLDestroy(vrc7.ym3812); + free(buffer); +} + +/* channel (0-9), instrument (0-F), volume (0-3F, YM3812 format) */ +static void load_instrument(uint8 ch, uint8 inst, uint8 vol) +{ + /* Point to current VRC7 context */ + vrc7_t *opll = &vrc7; + + /* Point to fixed instrument or user table */ + uint8 *param = (inst == 0) ? &opll->user[0] : &table[inst][0]; + + /* Maps channels to operator registers */ + uint8 ch2op[] = {0, 1, 2, 8, 9, 10, 16, 17, 18}; + + /* Make operator offset from requested channel */ + uint8 op = ch2op[ch]; + + /* Store volume level */ + opll->channel[ch].volume = (vol & 0x3F); + + /* Store instrument number */ + opll->channel[ch].instrument = (inst & 0x0F); + + /* Update instrument settings, except frequency registers */ + OPL_WRITE(opll, 0x20 + op, param[0]); + OPL_WRITE(opll, 0x23 + op, param[1]); + OPL_WRITE(opll, 0x40 + op, param[2]); + OPL_WRITE(opll, 0x43 + op, (param[3] & 0xC0) | opll->channel[ch].volume); + OPL_WRITE(opll, 0x60 + op, param[4]); + OPL_WRITE(opll, 0x63 + op, param[5]); + OPL_WRITE(opll, 0x80 + op, param[6]); + OPL_WRITE(opll, 0x83 + op, param[7]); + OPL_WRITE(opll, 0xE0 + op, param[8]); + OPL_WRITE(opll, 0xE3 + op, param[9]); + OPL_WRITE(opll, 0xC0 + ch, param[10]); +} + +static void vrc7_write(uint32 address, uint8 data) +{ + /* Point to current VRC7 context */ + vrc7_t *opll = &vrc7; + + if (address & 0x0020) /* data port */ + { + /* Store register data */ + opll->reg[opll->latch] = data; + + switch (opll->latch & 0x30) + { + case 0x00: /* User instrument registers */ + switch (opll->latch & 0x0F) + { + case 0x00: /* Misc. ctrl. (modulator) */ + case 0x01: /* Misc. ctrl. (carrier) */ + case 0x02: /* Key scale level and total level (modulator) */ + case 0x04: /* Attack / Decay (modulator) */ + case 0x05: /* Attack / Decay (carrier) */ + case 0x06: /* Sustain / Release (modulator) */ + case 0x07: /* Sustain / Release (carrier) */ + opll->user[(opll->latch & 0x07)] = data; + break; + + case 0x03: /* Key scale level, carrier/modulator waveform, feedback */ + + /* Key scale level (carrier) */ + /* Don't touch the total level (channel volume) */ + opll->user[3] = (opll->user[3] & 0x3F) | (data & 0xC0); + + /* Waveform select for the modulator */ + opll->user[8] = (data >> 3) & 1; + + /* Waveform select for the carrier */ + opll->user[9] = (data >> 4) & 1; + + /* Store feedback level in YM3812 format */ + opll->user[10] = ((data & 0x07) << 1) & 0x0E; + break; + } + + /* If the user instrument registers were accessed, then + go through each channel and update the ones that were + currently using the user instrument. We can skip the + last three channels in rhythm mode since they can + only use percussion sounds anyways. */ + if (opll->latch <= 0x05) + { + uint8 x; + + for (x = 0; x < 6; x++) + if (opll->channel[x].instrument == 0x00) + load_instrument(x, 0x00, opll->channel[x].volume); + } + break; + + case 0x10: /* Channel Frequency (LSB) */ + case 0x20: /* Channel Frequency (MSB) + key-on and sustain control */ + { + uint8 block; + uint16 frequency; + uint8 ch = (opll->latch & 0x0F); + + /* Ensure proper channel range */ + if (ch > 0x05) + break; + + /* Get VRC7 channel frequency */ + frequency = ((opll->reg[0x10 + ch] & 0xFF) | ((opll->reg[0x20 + ch] & 0x01) << 8)); + + /* Scale 9 bit frequency to 10 bits */ + frequency = (frequency << 1) & 0x1FFF; + + /* Get VRC7 block */ + block = (opll->reg[0x20 + ch] >> 1) & 7; + + /* Add in block */ + frequency |= (block << 10); + + /* Add key-on flag */ + if (opll->reg[0x20 + ch] & 0x10) + frequency |= 0x2000; + + /* Save current frequency/block/key-on setting */ + opll->channel[ch].frequency = (frequency & 0x3FFF); + + /* Write changes to YM3812 */ + OPL_WRITE(opll, 0xA0 + ch, (opll->channel[ch].frequency >> 0) & 0xFF); + OPL_WRITE(opll, 0xB0 + ch, (opll->channel[ch].frequency >> 8) & 0xFF); + } + break; + + case 0x30: /* Channel Volume Level and Instrument Select */ + + /* Ensure proper channel range */ + if (opll->latch > 0x35) + break; + + { + uint8 ch = (opll->latch & 0x0F); + uint8 inst = (data >> 4) & 0x0F; + uint8 vol = (data & 0x0F) << 2; + load_instrument(ch, inst, vol); + } + + break; + } + } + else /* Register latch */ + { + opll->latch = (data & 0x3F); + } +} + +static int32 vrc7_process(void) +{ + static int sample = 0; + + /* update a large chunk at once */ + if (sample >= buflen) + { + sample -= buflen; + YM3812UpdateOne(vrc7.ym3812, buffer, buflen); + } + + return (int32) ((int16 *) buffer)[sample++]; +} + +static apu_memwrite vrc7_memwrite[] = +{ + { 0x9010, 0x9010, vrc7_write }, + { 0x9030, 0x9030, vrc7_write }, + { -1, -1, NULL } +}; + +apuext_t vrc7_ext = +{ + vrc7_init, + vrc7_shutdown, + vrc7_reset, + vrc7_process, + NULL, /* no reads */ + vrc7_memwrite +}; + +/* +** $Log: vrc7_snd.c,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:36 tmmm +** initial import of Nosefart sources +** +** Revision 1.5 2000/07/04 04:51:02 matt +** made data types stricter +** +** Revision 1.4 2000/07/03 02:18:53 matt +** much better external module exporting +** +** Revision 1.3 2000/06/20 20:45:09 matt +** minor cleanups +** +** Revision 1.2 2000/06/20 04:06:16 matt +** migrated external sound definition to apu module +** +** Revision 1.1 2000/06/20 00:06:47 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/vrc7_snd.h b/contrib/nosefart/vrc7_snd.h new file mode 100644 index 000000000..fd3880b63 --- /dev/null +++ b/contrib/nosefart/vrc7_snd.h @@ -0,0 +1,70 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** vrc7_snd.h +** +** VRCVII (Konami MMC) sound hardware emulation header +** Thanks to Charles MacDonald (cgfm2@hooked.net) for donating code. +** +** $Id: vrc7_snd.h,v 1.1 2003/01/08 07:04:36 tmmm Exp $ +*/ + +#ifndef _VRC7_SND_H_ +#define _VRC7_SND_H_ + +#include "fmopl.h" + +/* VRC7 context */ +typedef struct vrc7_s +{ + uint8 reg[0x40]; /* 64 registers */ + uint8 latch; /* Register latch */ + uint8 user[0x10]; /* User instrument settings */ + struct + { + uint16 frequency; /* Channel frequency */ + uint8 volume; /* Channel volume */ + uint8 instrument; /* Channel instrument */ + } channel[9]; + + FM_OPL *ym3812; +} vrc7_t; + + +#include "nes_apu.h" + +extern apuext_t vrc7_ext; + +#endif /* !_VRC7_SND_H_ */ + +/* +** $Log: vrc7_snd.h,v $ +** Revision 1.1 2003/01/08 07:04:36 tmmm +** initial import of Nosefart sources +** +** Revision 1.3 2000/07/04 04:51:02 matt +** made data types stricter +** +** Revision 1.2 2000/06/20 04:06:16 matt +** migrated external sound definition to apu module +** +** Revision 1.1 2000/06/20 00:06:47 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/vrcvisnd.c b/contrib/nosefart/vrcvisnd.c new file mode 100644 index 000000000..b1f26fe52 --- /dev/null +++ b/contrib/nosefart/vrcvisnd.c @@ -0,0 +1,210 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** vrcvisnd.c +** +** VRCVI sound hardware emulation +** $Id: vrcvisnd.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#include "types.h" +#include "vrcvisnd.h" +#include "nes_apu.h" + + +static vrcvisnd_t vrcvi; +static int32 vrcvi_incsize; + +/* VRCVI rectangle wave generation */ +static int32 vrcvi_rectangle(vrcvirectangle_t *chan) +{ + /* reg0: 0-3=volume, 4-6=duty cycle + ** reg1: 8 bits of freq + ** reg2: 0-3=high freq, 7=enable + */ + + chan->phaseacc -= vrcvi_incsize; /* # of clocks per wave cycle */ + while (chan->phaseacc < 0) + { + chan->phaseacc += chan->freq; + chan->adder = (chan->adder + 1) & 0x0F; + } + + /* return if not enabled */ + if (FALSE == chan->enabled) + return 0; + + if (chan->adder < chan->duty_flip) + return -(chan->volume); + else + return chan->volume; +} + +/* VRCVI sawtooth wave generation */ +static int32 vrcvi_sawtooth(vrcvisawtooth_t *chan) +{ + /* reg0: 0-5=phase accumulator bits + ** reg1: 8 bits of freq + ** reg2: 0-3=high freq, 7=enable + */ + + chan->phaseacc -= vrcvi_incsize; /* # of clocks per wav cycle */ + while (chan->phaseacc < 0) + { + chan->phaseacc += chan->freq; + chan->output_acc += chan->volume; + + if (7 == ++chan->adder) + { + chan->adder = 0; + chan->output_acc = 0; + } + } + + /* return if not enabled */ + if (FALSE == chan->enabled) + return 0; + else + return (chan->output_acc >> 3) << 9; +} + +/* mix vrcvi sound channels together */ +static int32 vrcvi_process(void) +{ + int32 output; + + output = vrcvi_rectangle(&vrcvi.rectangle[0]); + output += vrcvi_rectangle(&vrcvi.rectangle[1]); + output += vrcvi_sawtooth(&vrcvi.saw); + + return output; +} + +/* write to registers */ +static void vrcvi_write(uint32 address, uint8 value) +{ + int chan; + + switch (address & 0xB003) + { + case 0x9000: + case 0xA000: + chan = (address >> 12) - 9; + vrcvi.rectangle[chan].reg[0] = value; + vrcvi.rectangle[chan].volume = (value & 0x0F) << 8; + vrcvi.rectangle[chan].duty_flip = (value >> 4) + 1; + break; + case 0x9001: + case 0xA001: + chan = (address >> 12) - 9; + vrcvi.rectangle[chan].reg[1] = value; + vrcvi.rectangle[chan].freq = APU_TO_FIXED(((vrcvi.rectangle[chan].reg[2] & 0x0F) << 8) + value + 1); + break; + case 0x9002: + case 0xA002: + chan = (address >> 12) - 9; + vrcvi.rectangle[chan].reg[2] = value; + vrcvi.rectangle[chan].freq = APU_TO_FIXED(((value & 0x0F) << 8) + vrcvi.rectangle[chan].reg[1] + 1); + vrcvi.rectangle[chan].enabled = (value & 0x80) ? TRUE : FALSE; + break; + case 0xB000: + vrcvi.saw.reg[0] = value; + vrcvi.saw.volume = value & 0x3F; + break; + case 0xB001: + vrcvi.saw.reg[1] = value; + vrcvi.saw.freq = APU_TO_FIXED((((vrcvi.saw.reg[2] & 0x0F) << 8) + value + 1) << 1); + break; + case 0xB002: + vrcvi.saw.reg[2] = value; + vrcvi.saw.freq = APU_TO_FIXED((((value & 0x0F) << 8) + vrcvi.saw.reg[1] + 1) << 1); + vrcvi.saw.enabled = (value & 0x80) ? TRUE : FALSE; + break; + default: + break; + } +} + +/* reset state of vrcvi sound channels */ +static void vrcvi_reset(void) +{ + int i; + + /* preload regs */ + for (i = 0; i < 3; i++) + { + vrcvi_write(0x9000 + i, 0); + vrcvi_write(0xA000 + i, 0); + vrcvi_write(0xB000 + i, 0); + } + + /* get the phase period from the apu */ + vrcvi_incsize = apu_getcyclerate(); +} + +static void vrcvi_dummy(void) +{ +} + +static apu_memwrite vrcvi_memwrite[] = +{ +// { 0x4040, 0x4092, ext_write }, /* FDS sound regs */ + { 0x9000, 0x9002, vrcvi_write }, /* vrc6 */ + { 0xA000, 0xA002, vrcvi_write }, + { 0xB000, 0xB002, vrcvi_write }, + { -1, -1, NULL } +}; + +apuext_t vrcvi_ext = +{ + vrcvi_dummy, /* no init */ + vrcvi_dummy, /* no shutdown */ + vrcvi_reset, + vrcvi_process, + NULL, /* no reads */ + vrcvi_memwrite +}; + +/* +** $Log: vrcvisnd.c,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:36 tmmm +** initial import of Nosefart sources +** +** Revision 1.9 2000/07/04 04:51:41 matt +** cleanups +** +** Revision 1.8 2000/07/03 02:18:53 matt +** much better external module exporting +** +** Revision 1.7 2000/06/20 04:06:16 matt +** migrated external sound definition to apu module +** +** Revision 1.6 2000/06/20 00:08:58 matt +** changed to driver based API +** +** Revision 1.5 2000/06/09 16:49:02 matt +** removed all floating point from sound generation +** +** Revision 1.4 2000/06/09 15:12:28 matt +** initial revision +** +*/ diff --git a/contrib/nosefart/vrcvisnd.h b/contrib/nosefart/vrcvisnd.h new file mode 100644 index 000000000..7666fec0c --- /dev/null +++ b/contrib/nosefart/vrcvisnd.h @@ -0,0 +1,85 @@ +/* +** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) +** +** +** This program is free software; you can redistribute it and/or +** modify it under the terms of version 2 of the GNU Library General +** Public License as published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +** Library General Public License for more details. To obtain a +** copy of the GNU Library General Public License, write to the Free +** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +** +** Any permitted reproduction of these routines, in whole or in part, +** must bear this legend. +** +** +** vrcvisnd.h +** +** VRCVI (Konami MMC) sound hardware emulation header +** $Id: vrcvisnd.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ +*/ + +#ifndef _VRCVISND_H_ +#define _VRCVISND_H_ + +typedef struct vrcvirectangle_s +{ + uint8 reg[3]; + int32 phaseacc; + uint8 adder; + + int32 freq; + int32 volume; + uint8 duty_flip; + boolean enabled; +} vrcvirectangle_t; + +typedef struct vrcvisawtooth_s +{ + uint8 reg[3]; + int32 phaseacc; + uint8 adder; + uint8 output_acc; + + int32 freq; + uint8 volume; + boolean enabled; +} vrcvisawtooth_t; + +typedef struct vrcvisnd_s +{ + vrcvirectangle_t rectangle[2]; + vrcvisawtooth_t saw; +} vrcvisnd_t; + +#include "nes_apu.h" + +extern apuext_t vrcvi_ext; + +#endif /* _VRCVISND_H_ */ + +/* +** $Log: vrcvisnd.h,v $ +** Revision 1.2 2003/12/05 15:55:01 f1rmb +** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... +** +** Revision 1.1 2003/01/08 07:04:36 tmmm +** initial import of Nosefart sources +** +** Revision 1.7 2000/06/20 04:06:16 matt +** migrated external sound definition to apu module +** +** Revision 1.6 2000/06/20 00:08:58 matt +** changed to driver based API +** +** Revision 1.5 2000/06/09 16:49:02 matt +** removed all floating point from sound generation +** +** Revision 1.4 2000/06/09 15:12:28 matt +** initial revision +** +*/ diff --git a/src/libxineadec/Makefile.am b/src/libxineadec/Makefile.am index 474dda1a1..6ea2171ee 100644 --- a/src/libxineadec/Makefile.am +++ b/src/libxineadec/Makefile.am @@ -3,7 +3,7 @@ include $(top_srcdir)/misc/Makefile.common AM_CFLAGS = $(DEFAULT_OCFLAGS) $(VISIBILITY_FLAG) AM_LDFLAGS = $(xineplug_ldflags) -SUBDIRS = gsm610 nosefart +SUBDIRS = gsm610 EXTRA_DIST = fooaudio.c @@ -29,6 +29,9 @@ $(top_builddir)/contrib/libmpcdec/libmpcdec.la: $(top_builddir)/contrib/libdca/libdca.la: $(MAKE) -C $(top_builddir)/contrib/libdca +$(top_builddir)/contrib/nosefart/libnosefart.la: + $(MAKE) -C $(top_builddir)/contrib/nosefart + xineplug_LTLIBRARIES = \ xineplug_decode_gsm610.la \ xineplug_decode_nsf.la \ @@ -42,9 +45,9 @@ xineplug_decode_gsm610_la_SOURCES = gsm610.c xineplug_decode_gsm610_la_LIBADD = $(XINE_LIB) gsm610/libgsm610.la xineplug_decode_nsf_la_SOURCES = nsf.c -xineplug_decode_nsf_la_LIBADD = $(XINE_LIB) -lm nosefart/libnosefart.la +xineplug_decode_nsf_la_LIBADD = $(XINE_LIB) $(top_builddir)/contrib/nosefart/libnosefart.la -lm xineplug_decode_nsf_la_CFLAGS = $(AM_CFLAGS) -fno-strict-aliasing -xineplug_decode_nsf_la_CPPFLAGS = $(AM_CPPFLAGS) -DNSF_PLAYER +xineplug_decode_nsf_la_CPPFLAGS = $(AM_CPPFLAGS) -DNSF_PLAYER -I$(top_srcdir)/contrib/nosefart xineplug_decode_lpcm_la_SOURCES = xine_lpcm_decoder.c xineplug_decode_lpcm_la_LIBADD = $(XINE_LIB) diff --git a/src/libxineadec/nosefart/Makefile.am b/src/libxineadec/nosefart/Makefile.am deleted file mode 100644 index 83c04a28d..000000000 --- a/src/libxineadec/nosefart/Makefile.am +++ /dev/null @@ -1,37 +0,0 @@ -include $(top_srcdir)/misc/Makefile.common - -AM_CFLAGS = $(DEFAULT_OCFLAGS) $(VISIBILITY_FLAG) - -noinst_LTLIBRARIES = libnosefart.la - -libnosefart_la_SOURCES = \ - fds_snd.c \ - log.c \ - mmc5_snd.c \ - nes_apu.c \ - vrc7_snd.c \ - dis6502.c \ - fmopl.c \ - memguard.c \ - nes6502.c \ - nsf.c \ - vrcvisnd.c - -libnosefart_la_CFLAGS = $(AM_CFLAGS) -fno-strict-aliasing -libnosefart_la_CPPFLAGS = -DNSF_PLAYER - -noinst_HEADERS = \ - dis6502.h \ - fmopl.h \ - memguard.h \ - nes6502.h \ - nsf.h \ - types.h \ - vrc7_snd.h \ - fds_snd.h \ - log.h \ - mmc5_snd.h \ - nes_apu.h \ - osd.h \ - version.h \ - vrcvisnd.h diff --git a/src/libxineadec/nosefart/diff_to_nosefart_cvs.patch b/src/libxineadec/nosefart/diff_to_nosefart_cvs.patch deleted file mode 100644 index 2b6202fb8..000000000 --- a/src/libxineadec/nosefart/diff_to_nosefart_cvs.patch +++ /dev/null @@ -1,117 +0,0 @@ -diff -u -p -r1.1.1.1 types.h ---- types.h 26 Jul 2004 15:27:59 -0000 1.1.1.1 -+++ types.h 26 Aug 2004 16:00:07 -0000 -@@ -23,8 +23,8 @@ - ** $Id: diff_to_nosefart_cvs.patch,v 1.2 2005/05/07 09:11:39 valtri Exp $ - */ - --#ifndef _TYPES_H_ --#define _TYPES_H_ -+#ifndef _NOSEFART_TYPES_H_ -+#define _NOSEFART_TYPES_H_ - - #ifdef HAVE_CONFIG_H - #include "config.h" -@@ -88,7 +88,7 @@ typedef uint8 boolean; - #define ASSERT_MSG(msg) - #endif - --#endif /* _TYPES_H_ */ -+#endif /* _NOSEFART_TYPES_H_ */ - - /* - ** $Log: diff_to_nosefart_cvs.patch,v $ - ** Revision 1.2 2005/05/07 09:11:39 valtri - ** *BUGFIX* - ** gcc4 patches from Dams Nadé (livna.org) and Keenan Pepper. - ** - ** Revision 1.1 2004/08/27 19:33:37 valtri - ** MINGW32 port. Engine library and most of plugins compiles now. - ** - ** List of some changes: - ** - replaced some _MSC_VER by more common WIN32 - ** - define INTLDIR, remove -static flag for included intl - ** - shared more common CFLAGS with DEBUG_CFLAGS - ** - use WIN32_CFLAGS for all building - ** - separate some flags into THREAD_CFLAGS_CONFIG, - ** THREAD_CFLAGS_CONFIG and ZLIB_LIB_CONFIG for public xine-config, - ** automatically use internal libs if necessary - ** - don't warn about missing X for mingw and cygwin - ** - libw32dll disabled for WIN32 (making native loader would be - ** interesting, or porting wine code to Windows? :->) - ** - DVB and RTP disabled for WIN32, not ported yet - ** - fix build and fix a warning in cdda - ** - fix build for nosefart and libfaad - ** - implement configure option --disable-freetype - ** - sync libxine.pc and xine-config.in - ** - add -liberty to goom under WIN32 - ** - move original build files from included phread and zlib into archives - ** and replace them by autotools - ** -Index: nes_apu.c -=================================================================== -RCS file: /home/valtri/CVS/xine-lib/src/libxineadec/nosefart/nes_apu.c,v -retrieving revision 1.1.1.1 -diff -u -p -r1.1.1.1 nes_apu.c ---- nes_apu.c 12 Dec 2004 13:57:16 -0000 1.1.1.1 -+++ nes_apu.c 7 May 2005 08:23:36 -0000 -@@ -1011,10 +1011,13 @@ void apu_process(void *buffer, int num_s - accum = -0x8000; - - /* signed 16-bit output, unsigned 8-bit */ -- if (16 == apu->sample_bits) -- *((int16 *) buffer)++ = (int16) accum; -- else -- *((uint8 *) buffer)++ = (accum >> 8) ^ 0x80; -+ if (16 == apu->sample_bits) { -+ *((int16 *) buffer) = (int16) accum; -+ buffer = (int16 *) buffer + 1; -+ } else { -+ *((uint8 *) buffer) = (accum >> 8) ^ 0x80; -+ buffer = (int8 *) buffer + 1; -+ } - } - - /* resync cycle counter */ ---- a/src/libxineadec/nosefart/nsf.h Tue Apr 10 13:42:00 2007 +0200 -+++ b/src/libxineadec/nosefart/nsf.h Tue Apr 10 13:48:50 2007 +0200 -@@ -29,6 +29,8 @@ - #include "osd.h" - #include "nes6502.h" - #include "nes_apu.h" -+ -+#include "config.h" - - #define NSF_MAGIC "NESM\x1A" - -@@ -96,7 +98,7 @@ typedef struct nsf_s - - /* our main processing routine, calls all external mixing routines */ - void (*process)(void *buffer, int num_samples); --} __PACKED__ nsf_t; -+} XINE_PACKED nsf_t; - - /* Function prototypes */ - extern void nsf_init(void); ---- a/src/libxineadec/nosefart/osd.h Tue Apr 10 13:42:00 2007 +0200 -+++ b/src/libxineadec/nosefart/osd.h Tue Apr 10 13:19:34 2007 +0200 -@@ -26,19 +26,15 @@ - #ifndef _OSD_H_ - #define _OSD_H_ - -- - #if defined(__GNUC__) || defined(__ICC) --#define __PACKED__ __attribute__ ((packed)) - #define PATH_SEP '/' - #ifdef __DJGPP__ - #include - #include "dos_ints.h" - #endif - #elif defined(WIN32) --#define __PACKED__ - #define PATH_SEP '\\' - #else /* crapintosh? */ --#define __PACKED__ - #define PATH_SEP ':' - #endif - diff --git a/src/libxineadec/nosefart/dis6502.c b/src/libxineadec/nosefart/dis6502.c deleted file mode 100644 index ff552d219..000000000 --- a/src/libxineadec/nosefart/dis6502.c +++ /dev/null @@ -1,474 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** dis6502.c -** -** 6502 disassembler based on code from John Saeger -** $Id: dis6502.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#include "types.h" -#include "log.h" -#include "nes6502.h" -#include "dis6502.h" - -#ifdef NES6502_DEBUG - -/* addressing modes */ -enum { _imp, _acc, _rel, _imm, _abs, _abs_x, _abs_y, _zero, _zero_x, _zero_y, _ind, _ind_x, _ind_y }; - -/* keep a filthy local copy of PC to -** reduce the amount of parameter passing -*/ -static uint32 pc_reg; - - -static uint8 dis_op8(void) -{ - return (nes6502_getbyte(pc_reg + 1)); -} - -static uint16 dis_op16(void) -{ - return (nes6502_getbyte(pc_reg + 1) + (nes6502_getbyte(pc_reg + 2) << 8)); -} - -static void dis_show_ind(void) -{ - log_printf("(%04X) ", dis_op16()); -} - -static void dis_show_ind_x(void) -{ - log_printf("(%02X,x) ", dis_op8()); -} - -static void dis_show_ind_y(void) -{ - log_printf("(%02X),y ", dis_op8()); -} - -static void dis_show_zero_x(void) -{ - log_printf(" %02X,x ", dis_op8()); -} - -static void dis_show_zero_y(void) -{ - log_printf(" %02X,y ", dis_op8()); -} - -static void dis_show_abs_y(void) -{ - log_printf(" %04X,y ", dis_op16()); -} - -static void dis_show_abs_x(void) -{ - log_printf(" %04X,x ", dis_op16()); -} - -static void dis_show_zero(void) -{ - log_printf(" %02X ", dis_op8()); -} - -static void dis_show_abs(void) -{ - log_printf(" %04X ", dis_op16()); -} - -static void dis_show_immediate(void) -{ - log_printf("#%02X ", dis_op8()); -} - -static void dis_show_acc(void) -{ - log_printf(" a "); -} - -static void dis_show_relative(void) -{ - int target; - - target = (int8) dis_op8(); - target += (pc_reg + 2); - log_printf(" %04X ", target); -} - -static void dis_show_code(int optype) -{ - log_printf("%02X ", nes6502_getbyte(pc_reg)); - - switch (optype) - { - case _imp: - case _acc: - log_printf(" "); - break; - - case _rel: - case _imm: - case _zero: - case _zero_x: - log_printf("%02X ", nes6502_getbyte(pc_reg + 1)); - break; - - case _abs: - case _abs_x: - case _abs_y: - case _ind: - case _ind_x: - case _ind_y: - log_printf("%02X %02X ", nes6502_getbyte(pc_reg + 1), nes6502_getbyte(pc_reg + 2)); - break; - } -} - -static void dis_show_op(char *opstr, int optype) -{ - dis_show_code(optype); - log_printf("%s ", opstr); - - switch(optype) - { - case _imp: log_printf(" "); break; - case _acc: dis_show_acc(); break; - case _rel: dis_show_relative(); break; - case _imm: dis_show_immediate(); break; - case _abs: dis_show_abs(); break; - case _abs_x: dis_show_abs_x(); break; - case _abs_y: dis_show_abs_y(); break; - case _zero: dis_show_zero(); break; - case _zero_x: dis_show_zero_x(); break; - case _ind: dis_show_ind(); break; - case _ind_x: dis_show_ind_x(); break; - case _ind_y: dis_show_ind_y(); break; - } -} - -void nes6502_disasm(uint32 PC, uint8 P, uint8 A, uint8 X, uint8 Y, uint8 S) -{ - pc_reg = PC; - - log_printf("%04X: ", pc_reg); - - switch(nes6502_getbyte(pc_reg)) - { - case 0x00: dis_show_op("brk",_imp); break; - case 0x01: dis_show_op("ora",_ind_x); break; - case 0x02: dis_show_op("jam",_imp); break; - case 0x03: dis_show_op("slo",_ind_x); break; - case 0x04: dis_show_op("nop",_zero); break; - case 0x05: dis_show_op("ora",_zero); break; - case 0x06: dis_show_op("asl",_zero); break; - case 0x07: dis_show_op("slo",_zero); break; - case 0x08: dis_show_op("php",_imp); break; - case 0x09: dis_show_op("ora",_imm); break; - case 0x0a: dis_show_op("asl",_acc); break; - case 0x0b: dis_show_op("anc",_imm); break; - case 0x0c: dis_show_op("nop",_abs); break; - case 0x0d: dis_show_op("ora",_abs); break; - case 0x0e: dis_show_op("asl",_abs); break; - case 0x0f: dis_show_op("slo",_abs); break; - - case 0x10: dis_show_op("bpl",_rel); break; - case 0x11: dis_show_op("ora",_ind_y); break; - case 0x12: dis_show_op("jam",_imp); break; - case 0x13: dis_show_op("slo",_ind_y); break; - case 0x14: dis_show_op("nop",_zero_x); break; - case 0x15: dis_show_op("ora",_zero_x); break; - case 0x16: dis_show_op("asl",_zero_x); break; - case 0x17: dis_show_op("slo",_zero_x); break; - case 0x18: dis_show_op("clc",_imp); break; - case 0x19: dis_show_op("ora",_abs_y); break; - case 0x1a: dis_show_op("nop",_imp); break; - case 0x1b: dis_show_op("slo",_abs_y); break; - case 0x1c: dis_show_op("nop",_abs_x); break; - case 0x1d: dis_show_op("ora",_abs_x); break; - case 0x1e: dis_show_op("asl",_abs_x); break; - case 0x1f: dis_show_op("slo",_abs_x); break; - - case 0x20: dis_show_op("jsr",_abs); break; - case 0x21: dis_show_op("and",_ind_x); break; - case 0x22: dis_show_op("jam",_imp); break; - case 0x23: dis_show_op("rla",_ind_x); break; - case 0x24: dis_show_op("bit",_zero); break; - case 0x25: dis_show_op("and",_zero); break; - case 0x26: dis_show_op("rol",_zero); break; - case 0x27: dis_show_op("rla",_zero); break; - case 0x28: dis_show_op("plp",_imp); break; - case 0x29: dis_show_op("and",_imm); break; - case 0x2a: dis_show_op("rol",_acc); break; - case 0x2b: dis_show_op("anc",_imm); break; - case 0x2c: dis_show_op("bit",_abs); break; - case 0x2d: dis_show_op("and",_abs); break; - case 0x2e: dis_show_op("rol",_abs); break; - case 0x2f: dis_show_op("rla",_abs); break; - - case 0x30: dis_show_op("bmi",_rel); break; - case 0x31: dis_show_op("and",_ind_y); break; - case 0x32: dis_show_op("jam",_imp); break; - case 0x33: dis_show_op("rla",_ind_y); break; -/* case 0x34: dis_show_op("nop",_zero); break;*/ - case 0x34: dis_show_op("nop",_imp); break; - case 0x35: dis_show_op("and",_zero_x); break; - case 0x36: dis_show_op("rol",_zero_x); break; - case 0x37: dis_show_op("rla",_zero_x); break; - case 0x38: dis_show_op("sec",_imp); break; - case 0x39: dis_show_op("and",_abs_y); break; - case 0x3a: dis_show_op("nop",_imp); break; - case 0x3b: dis_show_op("rla",_abs_y); break; -/* case 0x3c: dis_show_op("nop",_imp); break;*/ - case 0x3c: dis_show_op("nop",_abs_x); break; - case 0x3d: dis_show_op("and",_abs_x); break; - case 0x3e: dis_show_op("rol",_abs_x); break; - case 0x3f: dis_show_op("rla",_abs_x); break; - - case 0x40: dis_show_op("rti",_imp); break; - case 0x41: dis_show_op("eor",_ind_x); break; - case 0x42: dis_show_op("jam",_imp); break; - case 0x43: dis_show_op("sre",_ind_x); break; - case 0x44: dis_show_op("nop",_zero); break; - case 0x45: dis_show_op("eor",_zero); break; - case 0x46: dis_show_op("lsr",_zero); break; - case 0x47: dis_show_op("sre",_zero); break; - case 0x48: dis_show_op("pha",_imp); break; - case 0x49: dis_show_op("eor",_imm); break; - case 0x4a: dis_show_op("lsr",_acc); break; - case 0x4b: dis_show_op("asr",_imm); break; - case 0x4c: dis_show_op("jmp",_abs); break; - case 0x4d: dis_show_op("eor",_abs); break; - case 0x4e: dis_show_op("lsr",_abs); break; - case 0x4f: dis_show_op("sre",_abs); break; - - case 0x50: dis_show_op("bvc",_rel); break; - case 0x51: dis_show_op("eor",_ind_y); break; - case 0x52: dis_show_op("jam",_imp); break; - case 0x53: dis_show_op("sre",_ind_y); break; - case 0x54: dis_show_op("nop",_zero_x); break; - case 0x55: dis_show_op("eor",_zero_x); break; - case 0x56: dis_show_op("lsr",_zero_x); break; - case 0x57: dis_show_op("sre",_zero_x); break; - case 0x58: dis_show_op("cli",_imp); break; - case 0x59: dis_show_op("eor",_abs_y); break; - case 0x5a: dis_show_op("nop",_imp); break; - case 0x5b: dis_show_op("sre",_abs_y); break; - case 0x5c: dis_show_op("nop",_abs_x); break; - case 0x5d: dis_show_op("eor",_abs_x); break; - case 0x5e: dis_show_op("lsr",_abs_x); break; - case 0x5f: dis_show_op("sre",_abs_x); break; - - case 0x60: dis_show_op("rts",_imp); break; - case 0x61: dis_show_op("adc",_ind_x); break; - case 0x62: dis_show_op("jam",_imp); break; - case 0x63: dis_show_op("rra",_ind_x); break; - case 0x64: dis_show_op("nop",_zero); break; - case 0x65: dis_show_op("adc",_zero); break; - case 0x66: dis_show_op("ror",_zero); break; - case 0x67: dis_show_op("rra",_zero); break; - case 0x68: dis_show_op("pla",_imp); break; - case 0x69: dis_show_op("adc",_imm); break; - case 0x6a: dis_show_op("ror",_acc); break; - case 0x6b: dis_show_op("arr",_imm); break; - case 0x6c: dis_show_op("jmp",_ind); break; - case 0x6d: dis_show_op("adc",_abs); break; - case 0x6e: dis_show_op("ror",_abs); break; - case 0x6f: dis_show_op("rra",_abs); break; - - case 0x70: dis_show_op("bvs",_rel); break; - case 0x71: dis_show_op("adc",_ind_y); break; - case 0x72: dis_show_op("jam",_imp); break; - case 0x73: dis_show_op("rra",_ind_y); break; - case 0x74: dis_show_op("nop",_zero_x); break; - case 0x75: dis_show_op("adc",_zero_x); break; - case 0x76: dis_show_op("ror",_zero_x); break; - case 0x77: dis_show_op("rra",_zero_x); break; - case 0x78: dis_show_op("sei",_imp); break; - case 0x79: dis_show_op("adc",_abs_y); break; - case 0x7a: dis_show_op("nop",_imp); break; - case 0x7b: dis_show_op("rra",_abs_y); break; - case 0x7c: dis_show_op("nop",_abs_x); break; - case 0x7d: dis_show_op("adc",_abs_x); break; - case 0x7e: dis_show_op("ror",_abs_x); break; - case 0x7f: dis_show_op("rra",_abs_x); break; - - case 0x80: dis_show_op("nop",_imm); break; - case 0x81: dis_show_op("sta",_ind_x); break; - case 0x82: dis_show_op("nop",_imm); break; - case 0x83: dis_show_op("sax",_ind_x); break; - case 0x84: dis_show_op("sty",_zero); break; - case 0x85: dis_show_op("sta",_zero); break; - case 0x86: dis_show_op("stx",_zero); break; - case 0x87: dis_show_op("sax",_zero); break; - case 0x88: dis_show_op("dey",_imp); break; - case 0x89: dis_show_op("nop",_imm); break; - case 0x8a: dis_show_op("txa",_imp); break; - case 0x8b: dis_show_op("ane",_imm); break; - case 0x8c: dis_show_op("sty",_abs); break; - case 0x8d: dis_show_op("sta",_abs); break; - case 0x8e: dis_show_op("stx",_abs); break; - case 0x8f: dis_show_op("sax",_abs); break; - - case 0x90: dis_show_op("bcc",_rel); break; - case 0x91: dis_show_op("sta",_ind_y); break; - case 0x92: dis_show_op("jam",_imp); break; - case 0x93: dis_show_op("sha",_ind_y); break; - case 0x94: dis_show_op("sty",_zero_x); break; - case 0x95: dis_show_op("sta",_zero_x); break; - case 0x96: dis_show_op("stx",_zero_y); break; - case 0x97: dis_show_op("sax",_zero_y); break; - case 0x98: dis_show_op("tya",_imp); break; - case 0x99: dis_show_op("sta",_abs_y); break; - case 0x9a: dis_show_op("txs",_imp); break; - case 0x9b: dis_show_op("shs",_abs_y); break; - case 0x9c: dis_show_op("shy",_abs_x); break; - case 0x9d: dis_show_op("sta",_abs_x); break; - case 0x9e: dis_show_op("shx",_abs_y); break; - case 0x9f: dis_show_op("sha",_abs_y); break; - - case 0xa0: dis_show_op("ldy",_imm); break; - case 0xa1: dis_show_op("lda",_ind_x); break; - case 0xa2: dis_show_op("ldx",_imm); break; - case 0xa3: dis_show_op("lax",_ind_x); break; - case 0xa4: dis_show_op("ldy",_zero); break; - case 0xa5: dis_show_op("lda",_zero); break; - case 0xa6: dis_show_op("ldx",_zero); break; - case 0xa7: dis_show_op("lax",_zero); break; - case 0xa8: dis_show_op("tay",_imp); break; - case 0xa9: dis_show_op("lda",_imm); break; - case 0xaa: dis_show_op("tax",_imp); break; - case 0xab: dis_show_op("lxa",_imm); break; - case 0xac: dis_show_op("ldy",_abs); break; - case 0xad: dis_show_op("lda",_abs); break; - case 0xae: dis_show_op("ldx",_abs); break; - case 0xaf: dis_show_op("lax",_abs); break; - - case 0xb0: dis_show_op("bcs",_rel); break; - case 0xb1: dis_show_op("lda",_ind_y); break; - case 0xb2: dis_show_op("jam",_imp); break; - case 0xb3: dis_show_op("lax",_ind_y); break; - case 0xb4: dis_show_op("ldy",_zero_x); break; - case 0xb5: dis_show_op("lda",_zero_x); break; - case 0xb6: dis_show_op("ldx",_zero_y); break; - case 0xb7: dis_show_op("lax",_zero_y); break; - case 0xb8: dis_show_op("clv",_imp); break; - case 0xb9: dis_show_op("lda",_abs_y); break; - case 0xba: dis_show_op("tsx",_imp); break; - case 0xbb: dis_show_op("las",_abs_y); break; - case 0xbc: dis_show_op("ldy",_abs_x); break; - case 0xbd: dis_show_op("lda",_abs_x); break; - case 0xbe: dis_show_op("ldx",_abs_y); break; - case 0xbf: dis_show_op("lax",_abs_y); break; - - case 0xc0: dis_show_op("cpy",_imm); break; - case 0xc1: dis_show_op("cmp",_ind_x); break; - case 0xc2: dis_show_op("nop",_imm); break; - case 0xc3: dis_show_op("dcp",_ind_x); break; - case 0xc4: dis_show_op("cpy",_zero); break; - case 0xc5: dis_show_op("cmp",_zero); break; - case 0xc6: dis_show_op("dec",_zero); break; - case 0xc7: dis_show_op("dcp",_zero); break; - case 0xc8: dis_show_op("iny",_imp); break; - case 0xc9: dis_show_op("cmp",_imm); break; - case 0xca: dis_show_op("dex",_imp); break; - case 0xcb: dis_show_op("sbx",_imm); break; - case 0xcc: dis_show_op("cpy",_abs); break; - case 0xcd: dis_show_op("cmp",_abs); break; - case 0xce: dis_show_op("dec",_abs); break; - case 0xcf: dis_show_op("dcp",_abs); break; - - case 0xd0: dis_show_op("bne",_rel); break; - case 0xd1: dis_show_op("cmp",_ind_y); break; - case 0xd2: dis_show_op("jam",_imp); break; - case 0xd3: dis_show_op("dcp",_ind_y); break; - case 0xd4: dis_show_op("nop",_zero_x); break; - case 0xd5: dis_show_op("cmp",_zero_x); break; - case 0xd6: dis_show_op("dec",_zero_x); break; - case 0xd7: dis_show_op("dcp",_zero_x); break; - case 0xd8: dis_show_op("cld",_imp); break; - case 0xd9: dis_show_op("cmp",_abs_y); break; - case 0xda: dis_show_op("nop",_imp); break; - case 0xdb: dis_show_op("dcp",_abs_y); break; - case 0xdc: dis_show_op("nop",_abs_x); break; - case 0xdd: dis_show_op("cmp",_abs_x); break; - case 0xde: dis_show_op("dec",_abs_x); break; - case 0xdf: dis_show_op("dcp",_abs_x); break; - - case 0xe0: dis_show_op("cpx",_imm); break; - case 0xe1: dis_show_op("sbc",_ind_x); break; - case 0xe2: dis_show_op("nop",_imm); break; - case 0xe3: dis_show_op("isb",_ind_x); break; - case 0xe4: dis_show_op("cpx",_zero); break; - case 0xe5: dis_show_op("sbc",_zero); break; - case 0xe6: dis_show_op("inc",_zero); break; - case 0xe7: dis_show_op("isb",_zero); break; - case 0xe8: dis_show_op("inx",_imp); break; - case 0xe9: dis_show_op("sbc",_imm); break; - case 0xea: dis_show_op("nop",_imp); break; - case 0xeb: dis_show_op("sbc",_imm); break; - case 0xec: dis_show_op("cpx",_abs); break; - case 0xed: dis_show_op("sbc",_abs); break; - case 0xee: dis_show_op("inc",_abs); break; - case 0xef: dis_show_op("isb",_abs); break; - - case 0xf0: dis_show_op("beq",_rel); break; - case 0xf1: dis_show_op("sbc",_ind_y); break; - case 0xf2: dis_show_op("jam",_imp); break; - case 0xf3: dis_show_op("isb",_ind_y); break; - case 0xf4: dis_show_op("nop",_zero_x); break; - case 0xf5: dis_show_op("sbc",_zero_x); break; - case 0xf6: dis_show_op("inc",_zero_x); break; - case 0xf7: dis_show_op("isb",_zero_x); break; - case 0xf8: dis_show_op("sed",_imp); break; - case 0xf9: dis_show_op("sbc",_abs_y); break; - case 0xfa: dis_show_op("nop",_imp); break; - case 0xfb: dis_show_op("isb",_abs_y); break; - case 0xfc: dis_show_op("nop",_abs_x); break; - case 0xfd: dis_show_op("sbc",_abs_x); break; - case 0xfe: dis_show_op("inc",_abs_x); break; - case 0xff: dis_show_op("isb",_abs_x); break; - } - - log_printf("%c%c1%c%c%c%c%c %02X %02X %02X %02X\n", - (P & N_FLAG) ? 'N' : 'n', - (P & V_FLAG) ? 'V' : 'v', - (P & V_FLAG) ? 'B' : 'b', - (P & V_FLAG) ? 'D' : 'd', - (P & V_FLAG) ? 'I' : 'i', - (P & V_FLAG) ? 'Z' : 'z', - (P & V_FLAG) ? 'C' : 'c', - A, X, Y, S); -} - -#endif /* NES6502_DEBUG */ - -/* -** $Log: dis6502.c,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.4 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/dis6502.h b/src/libxineadec/nosefart/dis6502.h deleted file mode 100644 index a02fd73ae..000000000 --- a/src/libxineadec/nosefart/dis6502.h +++ /dev/null @@ -1,52 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** dis6502.h -** -** 6502 disassembler header -** $Id: dis6502.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#ifndef _DIS6502_H_ -#define _DIS6502_H_ - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -extern void nes6502_disasm(uint32 PC, uint8 P, uint8 A, uint8 X, uint8 Y, uint8 S); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* !_DIS6502_H_ */ - -/* -** $Log: dis6502.h,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.4 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/fds_snd.c b/src/libxineadec/nosefart/fds_snd.c deleted file mode 100644 index fe2e4d624..000000000 --- a/src/libxineadec/nosefart/fds_snd.c +++ /dev/null @@ -1,94 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** fds_snd.c -** -** Famicom Disk System sound emulation -** $Id: fds_snd.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#include "types.h" -#include "nes_apu.h" -#include "fds_snd.h" - -static int32 fds_incsize = 0; - -/* mix sound channels together */ -static int32 fds_process(void) -{ - int32 output; - output = 0; - - return output; -} - -/* write to registers */ -static void fds_write(uint32 address, uint8 value) -{ -} - -/* reset state of vrcvi sound channels */ -static void fds_reset(void) -{ - fds_incsize = apu_getcyclerate(); -} - -static void fds_init(void) -{ -} - -/* TODO: bleh */ -static void fds_shutdown(void) -{ -} - -static apu_memwrite fds_memwrite[] = -{ - { 0x4040, 0x4092, fds_write }, - { -1, -1, NULL } -}; - -apuext_t fds_ext = -{ - fds_init, - fds_shutdown, - fds_reset, - fds_process, - NULL, /* no reads */ - fds_memwrite -}; - -/* -** $Log: fds_snd.c,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.3 2000/07/03 02:18:53 matt -** much better external module exporting -** -** Revision 1.2 2000/06/20 04:06:16 matt -** migrated external sound definition to apu module -** -** Revision 1.1 2000/06/20 00:06:47 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/fds_snd.h b/src/libxineadec/nosefart/fds_snd.h deleted file mode 100644 index 9d20b5b2a..000000000 --- a/src/libxineadec/nosefart/fds_snd.h +++ /dev/null @@ -1,50 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** fds_snd.h -** -** Famicom Disk System sound emulation -** $Id: fds_snd.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#ifndef _FDS_SND_H_ -#define _FDS_SND_H_ - -#include "nes_apu.h" - -extern apuext_t fds_ext; - - -#endif /* _VRCVISND_H_ */ - -/* -** $Log: fds_snd.h,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.2 2000/06/20 04:06:16 matt -** migrated external sound definition to apu module -** -** Revision 1.1 2000/06/20 00:06:47 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/fmopl.c b/src/libxineadec/nosefart/fmopl.c deleted file mode 100644 index 29c884096..000000000 --- a/src/libxineadec/nosefart/fmopl.c +++ /dev/null @@ -1,1323 +0,0 @@ -/* -** -** File: fmopl.c -- software implementation of FM sound generator -** -** Copyright (C) 1999 Tatsuyuki Satoh , MultiArcadeMachineEmurator development -** -** Version 0.36f -** -*/ - -/* - preliminary : - Problem : - note: -*/ - -#include -#include -#include -#include -#include -//#include "driver.h" /* use M.A.M.E. */ -#include "fmopl.h" - -/* MPC - hacks */ -#include "types.h" -#include "log.h" - -#ifndef PI -#define PI 3.14159265358979323846 -#endif - -/* -------------------- preliminary define section --------------------- */ -/* attack/decay rate time rate */ -#define OPL_ARRATE 141280 /* RATE 4 = 2826.24ms @ 3.6MHz */ -#define OPL_DRRATE 1956000 /* RATE 4 = 39280.64ms @ 3.6MHz */ - -#define DELTAT_MIXING_LEVEL (1) /* DELTA-T ADPCM MIXING LEVEL */ - -#define FREQ_BITS 24 /* frequency turn */ - -/* counter bits = 20 , octerve 7 */ -#define FREQ_RATE (1<<(FREQ_BITS-20)) -#define TL_BITS (FREQ_BITS+2) - -/* final output shift , limit minimum and maximum */ -#define OPL_OUTSB (TL_BITS+3-16) /* OPL output final shift 16bit */ -#define OPL_MAXOUT (0x7fff<=LOG_LEVEL ) logerror x -#define LOG(n,x) if( (n)>=LOG_LEVEL ) log_printf x - -/* --------------------- subroutines --------------------- */ - -INLINE int Limit( int val, int max, int min ) { - if ( val > max ) - val = max; - else if ( val < min ) - val = min; - - return val; -} - -/* status set and IRQ handling */ -INLINE void OPL_STATUS_SET(FM_OPL *OPL,int flag) -{ - /* set status flag */ - OPL->status |= flag; - if(!(OPL->status & 0x80)) - { - if(OPL->status & OPL->statusmask) - { /* IRQ on */ - OPL->status |= 0x80; - /* callback user interrupt handler (IRQ is OFF to ON) */ - if(OPL->IRQHandler) (OPL->IRQHandler)(OPL->IRQParam,1); - } - } -} - -/* status reset and IRQ handling */ -INLINE void OPL_STATUS_RESET(FM_OPL *OPL,int flag) -{ - /* reset status flag */ - OPL->status &=~flag; - if((OPL->status & 0x80)) - { - if (!(OPL->status & OPL->statusmask) ) - { - OPL->status &= 0x7f; - /* callback user interrupt handler (IRQ is ON to OFF) */ - if(OPL->IRQHandler) (OPL->IRQHandler)(OPL->IRQParam,0); - } - } -} - -/* IRQ mask set */ -INLINE void OPL_STATUSMASK_SET(FM_OPL *OPL,int flag) -{ - OPL->statusmask = flag; - /* IRQ handling check */ - OPL_STATUS_SET(OPL,0); - OPL_STATUS_RESET(OPL,0); -} - -/* ----- key on ----- */ -INLINE void OPL_KEYON(OPL_SLOT *SLOT) -{ - /* sin wave restart */ - SLOT->Cnt = 0; - /* set attack */ - SLOT->evm = ENV_MOD_AR; - SLOT->evs = SLOT->evsa; - SLOT->evc = EG_AST; - SLOT->eve = EG_AED; -} -/* ----- key off ----- */ -INLINE void OPL_KEYOFF(OPL_SLOT *SLOT) -{ - if( SLOT->evm > ENV_MOD_RR) - { - /* set envelope counter from envleope output */ - SLOT->evm = ENV_MOD_RR; - if( !(SLOT->evc&EG_DST) ) - //SLOT->evc = (ENV_CURVE[SLOT->evc>>ENV_BITS]<evc = EG_DST; - SLOT->eve = EG_DED; - SLOT->evs = SLOT->evsr; - } -} - -/* ---------- calcrate Envelope Generator & Phase Generator ---------- */ -/* return : envelope output */ -INLINE UINT32 OPL_CALC_SLOT( OPL_SLOT *SLOT ) -{ - /* calcrate envelope generator */ - if( (SLOT->evc+=SLOT->evs) >= SLOT->eve ) - { - switch( SLOT->evm ){ - case ENV_MOD_AR: /* ATTACK -> DECAY1 */ - /* next DR */ - SLOT->evm = ENV_MOD_DR; - SLOT->evc = EG_DST; - SLOT->eve = SLOT->SL; - SLOT->evs = SLOT->evsd; - break; - case ENV_MOD_DR: /* DECAY -> SL or RR */ - SLOT->evc = SLOT->SL; - SLOT->eve = EG_DED; - if(SLOT->eg_typ) - { - SLOT->evs = 0; - } - else - { - SLOT->evm = ENV_MOD_RR; - SLOT->evs = SLOT->evsr; - } - break; - case ENV_MOD_RR: /* RR -> OFF */ - SLOT->evc = EG_OFF; - SLOT->eve = EG_OFF+1; - SLOT->evs = 0; - break; - } - } - /* calcrate envelope */ - return SLOT->TLL+ENV_CURVE[SLOT->evc>>ENV_BITS]+(SLOT->ams ? ams : 0); -} - -/* set algorythm connection */ -static void set_algorythm( OPL_CH *CH) -{ - INT32 *carrier = &outd[0]; - CH->connect1 = CH->CON ? carrier : &feedback2; - CH->connect2 = carrier; -} - -/* ---------- frequency counter for operater update ---------- */ -INLINE void CALC_FCSLOT(OPL_CH *CH,OPL_SLOT *SLOT) -{ - int ksr; - - /* frequency step counter */ - SLOT->Incr = CH->fc * SLOT->mul; - ksr = CH->kcode >> SLOT->KSR; - - if( SLOT->ksr != ksr ) - { - SLOT->ksr = ksr; - /* attack , decay rate recalcration */ - SLOT->evsa = SLOT->AR[ksr]; - SLOT->evsd = SLOT->DR[ksr]; - SLOT->evsr = SLOT->RR[ksr]; - } - SLOT->TLL = SLOT->TL + (CH->ksl_base>>SLOT->ksl); -} - -/* set multi,am,vib,EG-TYP,KSR,mul */ -INLINE void set_mul(FM_OPL *OPL,int slot,int v) -{ - OPL_CH *CH = &OPL->P_CH[slot/2]; - OPL_SLOT *SLOT = &CH->SLOT[slot&1]; - - SLOT->mul = MUL_TABLE[v&0x0f]; - SLOT->KSR = (v&0x10) ? 0 : 2; - SLOT->eg_typ = (v&0x20)>>5; - SLOT->vib = (v&0x40); - SLOT->ams = (v&0x80); - CALC_FCSLOT(CH,SLOT); -} - -/* set ksl & tl */ -INLINE void set_ksl_tl(FM_OPL *OPL,int slot,int v) -{ - OPL_CH *CH = &OPL->P_CH[slot/2]; - OPL_SLOT *SLOT = &CH->SLOT[slot&1]; - int ksl = v>>6; /* 0 / 1.5 / 3 / 6 db/OCT */ - - SLOT->ksl = ksl ? 3-ksl : 31; - SLOT->TL = (INT32) (((v&0x3f)*(0.75/EG_STEP))); /* 0.75db step */ - - if( !(OPL->mode&0x80) ) - { /* not CSM latch total level */ - SLOT->TLL = SLOT->TL + (CH->ksl_base>>SLOT->ksl); - } -} - -/* set attack rate & decay rate */ -INLINE void set_ar_dr(FM_OPL *OPL,int slot,int v) -{ - OPL_CH *CH = &OPL->P_CH[slot/2]; - OPL_SLOT *SLOT = &CH->SLOT[slot&1]; - int ar = v>>4; - int dr = v&0x0f; - - SLOT->AR = ar ? &OPL->AR_TABLE[ar<<2] : RATE_0; - SLOT->evsa = SLOT->AR[SLOT->ksr]; - if( SLOT->evm == ENV_MOD_AR ) SLOT->evs = SLOT->evsa; - - SLOT->DR = dr ? &OPL->DR_TABLE[dr<<2] : RATE_0; - SLOT->evsd = SLOT->DR[SLOT->ksr]; - if( SLOT->evm == ENV_MOD_DR ) SLOT->evs = SLOT->evsd; -} - -/* set sustain level & release rate */ -INLINE void set_sl_rr(FM_OPL *OPL,int slot,int v) -{ - OPL_CH *CH = &OPL->P_CH[slot/2]; - OPL_SLOT *SLOT = &CH->SLOT[slot&1]; - int sl = v>>4; - int rr = v & 0x0f; - - SLOT->SL = SL_TABLE[sl]; - if( SLOT->evm == ENV_MOD_DR ) SLOT->eve = SLOT->SL; - SLOT->RR = &OPL->DR_TABLE[rr<<2]; - SLOT->evsr = SLOT->RR[SLOT->ksr]; - if( SLOT->evm == ENV_MOD_RR ) SLOT->evs = SLOT->evsr; -} - -/* operator output calcrator */ -#define OP_OUT(slot,env,con) slot->wavetable[((slot->Cnt+con)/(0x1000000/SIN_ENT))&(SIN_ENT-1)][env] -/* ---------- calcrate one of channel ---------- */ -INLINE void OPL_CALC_CH( OPL_CH *CH ) -{ - UINT32 env_out; - OPL_SLOT *SLOT; - - feedback2 = 0; - /* SLOT 1 */ - SLOT = &CH->SLOT[SLOT1]; - env_out=OPL_CALC_SLOT(SLOT); - if( env_out < EG_ENT-1 ) - { - /* PG */ - if(SLOT->vib) SLOT->Cnt += (SLOT->Incr*vib/VIB_RATE); - else SLOT->Cnt += SLOT->Incr; - /* connectoion */ - if(CH->FB) - { - int feedback1 = (CH->op1_out[0]+CH->op1_out[1])>>CH->FB; - CH->op1_out[1] = CH->op1_out[0]; - *CH->connect1 += CH->op1_out[0] = OP_OUT(SLOT,env_out,feedback1); - } - else - { - *CH->connect1 += OP_OUT(SLOT,env_out,0); - } - }else - { - CH->op1_out[1] = CH->op1_out[0]; - CH->op1_out[0] = 0; - } - /* SLOT 2 */ - SLOT = &CH->SLOT[SLOT2]; - env_out=OPL_CALC_SLOT(SLOT); - if( env_out < EG_ENT-1 ) - { - /* PG */ - if(SLOT->vib) SLOT->Cnt += (SLOT->Incr*vib/VIB_RATE); - else SLOT->Cnt += SLOT->Incr; - /* connectoion */ - outd[0] += OP_OUT(SLOT,env_out, feedback2); - } -} - -/* ---------- calcrate rythm block ---------- */ -#define WHITE_NOISE_db 6.0 -INLINE void OPL_CALC_RH( OPL_CH *CH ) -{ - UINT32 env_tam,env_sd,env_top,env_hh; - int whitenoise = (rand()&1)*((int)(WHITE_NOISE_db/EG_STEP)); - INT32 tone8; - - OPL_SLOT *SLOT; - int env_out; - - /* BD : same as FM serial mode and output level is large */ - feedback2 = 0; - /* SLOT 1 */ - SLOT = &CH[6].SLOT[SLOT1]; - env_out=OPL_CALC_SLOT(SLOT); - if( env_out < EG_ENT-1 ) - { - /* PG */ - if(SLOT->vib) SLOT->Cnt += (SLOT->Incr*vib/VIB_RATE); - else SLOT->Cnt += SLOT->Incr; - /* connectoion */ - if(CH[6].FB) - { - int feedback1 = (CH[6].op1_out[0]+CH[6].op1_out[1])>>CH[6].FB; - CH[6].op1_out[1] = CH[6].op1_out[0]; - feedback2 = CH[6].op1_out[0] = OP_OUT(SLOT,env_out,feedback1); - } - else - { - feedback2 = OP_OUT(SLOT,env_out,0); - } - }else - { - feedback2 = 0; - CH[6].op1_out[1] = CH[6].op1_out[0]; - CH[6].op1_out[0] = 0; - } - /* SLOT 2 */ - SLOT = &CH[6].SLOT[SLOT2]; - env_out=OPL_CALC_SLOT(SLOT); - if( env_out < EG_ENT-1 ) - { - /* PG */ - if(SLOT->vib) SLOT->Cnt += (SLOT->Incr*vib/VIB_RATE); - else SLOT->Cnt += SLOT->Incr; - /* connectoion */ - outd[0] += OP_OUT(SLOT,env_out, feedback2)*2; - } - - // SD (17) = mul14[fnum7] + white noise - // TAM (15) = mul15[fnum8] - // TOP (18) = fnum6(mul18[fnum8]+whitenoise) - // HH (14) = fnum7(mul18[fnum8]+whitenoise) + white noise - env_sd =OPL_CALC_SLOT(SLOT7_2) + whitenoise; - env_tam=OPL_CALC_SLOT(SLOT8_1); - env_top=OPL_CALC_SLOT(SLOT8_2); - env_hh =OPL_CALC_SLOT(SLOT7_1) + whitenoise; - - /* PG */ - if(SLOT7_1->vib) SLOT7_1->Cnt += (2*SLOT7_1->Incr*vib/VIB_RATE); - else SLOT7_1->Cnt += 2*SLOT7_1->Incr; - if(SLOT7_2->vib) SLOT7_2->Cnt += ((CH[7].fc*8)*vib/VIB_RATE); - else SLOT7_2->Cnt += (CH[7].fc*8); - if(SLOT8_1->vib) SLOT8_1->Cnt += (SLOT8_1->Incr*vib/VIB_RATE); - else SLOT8_1->Cnt += SLOT8_1->Incr; - if(SLOT8_2->vib) SLOT8_2->Cnt += ((CH[8].fc*48)*vib/VIB_RATE); - else SLOT8_2->Cnt += (CH[8].fc*48); - - tone8 = OP_OUT(SLOT8_2,whitenoise,0 ); - - /* SD */ - if( env_sd < EG_ENT-1 ) - outd[0] += OP_OUT(SLOT7_1,env_sd, 0)*8; - /* TAM */ - if( env_tam < EG_ENT-1 ) - outd[0] += OP_OUT(SLOT8_1,env_tam, 0)*2; - /* TOP-CY */ - if( env_top < EG_ENT-1 ) - outd[0] += OP_OUT(SLOT7_2,env_top,tone8)*2; - /* HH */ - if( env_hh < EG_ENT-1 ) - outd[0] += OP_OUT(SLOT7_2,env_hh,tone8)*2; -} - -/* ----------- initialize time tabls ----------- */ -static void init_timetables( FM_OPL *OPL , int ARRATE , int DRRATE ) -{ - int i; - double rate; - - /* make attack rate & decay rate tables */ - for (i = 0;i < 4;i++) OPL->AR_TABLE[i] = OPL->DR_TABLE[i] = 0; - for (i = 4;i <= 60;i++){ - rate = OPL->freqbase; /* frequency rate */ - if( i < 60 ) rate *= 1.0+(i&3)*0.25; /* b0-1 : x1 , x1.25 , x1.5 , x1.75 */ - rate *= 1<<((i>>2)-1); /* b2-5 : shift bit */ - rate *= (double)(EG_ENT<AR_TABLE[i] = (INT32) (rate / ARRATE); - OPL->DR_TABLE[i] = (INT32) (rate / DRRATE); - } - for (i = 60;i < 76;i++) - { - OPL->AR_TABLE[i] = EG_AED-1; - OPL->DR_TABLE[i] = OPL->DR_TABLE[60]; - } -#if 0 - for (i = 0;i < 64 ;i++){ /* make for overflow area */ - LOG(LOG_WAR,("rate %2d , ar %f ms , dr %f ms \n",i, - ((double)(EG_ENT<AR_TABLE[i]) * (1000.0 / OPL->rate), - ((double)(EG_ENT<DR_TABLE[i]) * (1000.0 / OPL->rate) )); - } -#endif -} - -/* ---------- generic table initialize ---------- */ -static int OPLOpenTable( void ) -{ - int s,t; - double rate; - int i,j; - double pom; - - /* allocate dynamic tables */ - if( (TL_TABLE = malloc(TL_MAX*2*sizeof(INT32))) == NULL) - return 0; - if( (SIN_TABLE = malloc(SIN_ENT*4 *sizeof(INT32 *))) == NULL) - { - free(TL_TABLE); - return 0; - } - if( (AMS_TABLE = malloc(AMS_ENT*2 *sizeof(INT32))) == NULL) - { - free(TL_TABLE); - free(SIN_TABLE); - return 0; - } - if( (VIB_TABLE = malloc(VIB_ENT*2 *sizeof(INT32))) == NULL) - { - free(TL_TABLE); - free(SIN_TABLE); - free(AMS_TABLE); - return 0; - } - /* make total level table */ - for (t = 0;t < EG_ENT-1 ;t++){ - rate = ((1< voltage */ - TL_TABLE[ t] = (int)rate; - TL_TABLE[TL_MAX+t] = -TL_TABLE[t]; -/* LOG(LOG_INF,("TotalLevel(%3d) = %x\n",t,TL_TABLE[t]));*/ - } - /* fill volume off area */ - for ( t = EG_ENT-1; t < TL_MAX ;t++){ - TL_TABLE[t] = TL_TABLE[TL_MAX+t] = 0; - } - - /* make sinwave table (total level offet) */ - /* degree 0 = degree 180 = off */ - SIN_TABLE[0] = SIN_TABLE[SIN_ENT/2] = &TL_TABLE[EG_ENT-1]; - for (s = 1;s <= SIN_ENT/4;s++){ - pom = sin(2*PI*s/SIN_ENT); /* sin */ - pom = 20*log10(1/pom); /* decibel */ - j = (int) (pom / EG_STEP); /* TL_TABLE steps */ - - /* degree 0 - 90 , degree 180 - 90 : plus section */ - SIN_TABLE[ s] = SIN_TABLE[SIN_ENT/2-s] = &TL_TABLE[j]; - /* degree 180 - 270 , degree 360 - 270 : minus section */ - SIN_TABLE[SIN_ENT/2+s] = SIN_TABLE[SIN_ENT -s] = &TL_TABLE[TL_MAX+j]; -/* LOG(LOG_INF,("sin(%3d) = %f:%f db\n",s,pom,(double)j * EG_STEP));*/ - } - for (s = 0;s < SIN_ENT;s++) - { - SIN_TABLE[SIN_ENT*1+s] = s<(SIN_ENT/2) ? SIN_TABLE[s] : &TL_TABLE[EG_ENT]; - SIN_TABLE[SIN_ENT*2+s] = SIN_TABLE[s % (SIN_ENT/2)]; - SIN_TABLE[SIN_ENT*3+s] = (s/(SIN_ENT/4))&1 ? &TL_TABLE[EG_ENT] : SIN_TABLE[SIN_ENT*2+s]; - } - - /* envelope counter -> envelope output table */ - for (i=0; i= EG_ENT ) pom = EG_ENT-1; */ - ENV_CURVE[i] = (int)pom; - /* DECAY ,RELEASE curve */ - ENV_CURVE[(EG_DST>>ENV_BITS)+i]= i; - } - /* off */ - ENV_CURVE[EG_OFF>>ENV_BITS]= EG_ENT-1; - /* make LFO ams table */ - for (i=0; iSLOT[SLOT1]; - OPL_SLOT *slot2 = &CH->SLOT[SLOT2]; - /* all key off */ - OPL_KEYOFF(slot1); - OPL_KEYOFF(slot2); - /* total level latch */ - slot1->TLL = slot1->TL + (CH->ksl_base>>slot1->ksl); - slot1->TLL = slot1->TL + (CH->ksl_base>>slot1->ksl); - /* key on */ - CH->op1_out[0] = CH->op1_out[1] = 0; - OPL_KEYON(slot1); - OPL_KEYON(slot2); -} - -/* ---------- opl initialize ---------- */ -static void OPL_initalize(FM_OPL *OPL) -{ - int fn; - - /* frequency base */ - OPL->freqbase = (OPL->rate) ? ((double)OPL->clock / OPL->rate) / 72 : 0; - /* Timer base time */ - OPL->TimerBase = 1.0/((double)OPL->clock / 72.0 ); - /* make time tables */ - init_timetables( OPL , OPL_ARRATE , OPL_DRRATE ); - /* make fnumber -> increment counter table */ - for( fn=0 ; fn < 1024 ; fn++ ) - { - OPL->FN_TABLE[fn] = (UINT32) (OPL->freqbase * fn * FREQ_RATE * (1<<7) / 2); - } - /* LFO freq.table */ - OPL->amsIncr = (INT32) (OPL->rate ? (double)AMS_ENT*(1<rate * 3.7 * ((double)OPL->clock/3600000) : 0); - OPL->vibIncr = (INT32) (OPL->rate ? (double)VIB_ENT*(1<rate * 6.4 * ((double)OPL->clock/3600000) : 0); -} - -/* ---------- write a OPL registers ---------- */ -static void OPLWriteReg(FM_OPL *OPL, int r, int v) -{ - OPL_CH *CH; - int slot; - unsigned int block_fnum; - - switch(r&0xe0) - { - case 0x00: /* 00-1f:controll */ - switch(r&0x1f) - { - case 0x01: - /* wave selector enable */ - if(OPL->type&OPL_TYPE_WAVESEL) - { - OPL->wavesel = v&0x20; - if(!OPL->wavesel) - { - /* preset compatible mode */ - int c; - for(c=0;cmax_ch;c++) - { - OPL->P_CH[c].SLOT[SLOT1].wavetable = &SIN_TABLE[0]; - OPL->P_CH[c].SLOT[SLOT2].wavetable = &SIN_TABLE[0]; - } - } - } - return; - case 0x02: /* Timer 1 */ - OPL->T[0] = (256-v)*4; - break; - case 0x03: /* Timer 2 */ - OPL->T[1] = (256-v)*16; - return; - case 0x04: /* IRQ clear / mask and Timer enable */ - if(v&0x80) - { /* IRQ flag clear */ - OPL_STATUS_RESET(OPL,0x7f); - } - else - { /* set IRQ mask ,timer enable*/ - UINT8 st1 = v&1; - UINT8 st2 = (v>>1)&1; - /* IRQRST,T1MSK,t2MSK,EOSMSK,BRMSK,x,ST2,ST1 */ - OPL_STATUS_RESET(OPL,v&0x78); - OPL_STATUSMASK_SET(OPL,((~v)&0x78)|0x01); - /* timer 2 */ - if(OPL->st[1] != st2) - { - double interval = st2 ? (double)OPL->T[1]*OPL->TimerBase : 0.0; - OPL->st[1] = st2; - if (OPL->TimerHandler) (OPL->TimerHandler)(OPL->TimerParam+1,interval); - } - /* timer 1 */ - if(OPL->st[0] != st1) - { - double interval = st1 ? (double)OPL->T[0]*OPL->TimerBase : 0.0; - OPL->st[0] = st1; - if (OPL->TimerHandler) (OPL->TimerHandler)(OPL->TimerParam+0,interval); - } - } - return; -#if BUILD_Y8950 - case 0x06: /* Key Board OUT */ - if(OPL->type&OPL_TYPE_KEYBOARD) - { - if(OPL->keyboardhandler_w) - OPL->keyboardhandler_w(OPL->keyboard_param,v); - else - LOG(LOG_WAR,("OPL:write unmapped KEYBOARD port\n")); - } - return; - case 0x07: /* DELTA-T controll : START,REC,MEMDATA,REPT,SPOFF,x,x,RST */ - if(OPL->type&OPL_TYPE_ADPCM) - YM_DELTAT_ADPCM_Write(OPL->deltat,r-0x07,v); - return; - case 0x08: /* MODE,DELTA-T : CSM,NOTESEL,x,x,smpl,da/ad,64k,rom */ - OPL->mode = v; - v&=0x1f; /* for DELTA-T unit */ - case 0x09: /* START ADD */ - case 0x0a: - case 0x0b: /* STOP ADD */ - case 0x0c: - case 0x0d: /* PRESCALE */ - case 0x0e: - case 0x0f: /* ADPCM data */ - case 0x10: /* DELTA-N */ - case 0x11: /* DELTA-N */ - case 0x12: /* EG-CTRL */ - if(OPL->type&OPL_TYPE_ADPCM) - YM_DELTAT_ADPCM_Write(OPL->deltat,r-0x07,v); - return; -#if 0 - case 0x15: /* DAC data */ - case 0x16: - case 0x17: /* SHIFT */ - return; - case 0x18: /* I/O CTRL (Direction) */ - if(OPL->type&OPL_TYPE_IO) - OPL->portDirection = v&0x0f; - return; - case 0x19: /* I/O DATA */ - if(OPL->type&OPL_TYPE_IO) - { - OPL->portLatch = v; - if(OPL->porthandler_w) - OPL->porthandler_w(OPL->port_param,v&OPL->portDirection); - } - return; - case 0x1a: /* PCM data */ - return; -#endif -#endif - } - break; - case 0x20: /* am,vib,ksr,eg type,mul */ - slot = slot_array[r&0x1f]; - if(slot == -1) return; - set_mul(OPL,slot,v); - return; - case 0x40: - slot = slot_array[r&0x1f]; - if(slot == -1) return; - set_ksl_tl(OPL,slot,v); - return; - case 0x60: - slot = slot_array[r&0x1f]; - if(slot == -1) return; - set_ar_dr(OPL,slot,v); - return; - case 0x80: - slot = slot_array[r&0x1f]; - if(slot == -1) return; - set_sl_rr(OPL,slot,v); - return; - case 0xa0: - switch(r) - { - case 0xbd: - /* amsep,vibdep,r,bd,sd,tom,tc,hh */ - { - UINT8 rkey = OPL->rythm^v; - OPL->ams_table = &AMS_TABLE[v&0x80 ? AMS_ENT : 0]; - OPL->vib_table = &VIB_TABLE[v&0x40 ? VIB_ENT : 0]; - OPL->rythm = v&0x3f; - if(OPL->rythm&0x20) - { -#if 0 - usrintf_showmessage("OPL Rythm mode select"); -#endif - /* BD key on/off */ - if(rkey&0x10) - { - if(v&0x10) - { - OPL->P_CH[6].op1_out[0] = OPL->P_CH[6].op1_out[1] = 0; - OPL_KEYON(&OPL->P_CH[6].SLOT[SLOT1]); - OPL_KEYON(&OPL->P_CH[6].SLOT[SLOT2]); - } - else - { - OPL_KEYOFF(&OPL->P_CH[6].SLOT[SLOT1]); - OPL_KEYOFF(&OPL->P_CH[6].SLOT[SLOT2]); - } - } - /* SD key on/off */ - if(rkey&0x08) - { - if(v&0x08) OPL_KEYON(&OPL->P_CH[7].SLOT[SLOT2]); - else OPL_KEYOFF(&OPL->P_CH[7].SLOT[SLOT2]); - }/* TAM key on/off */ - if(rkey&0x04) - { - if(v&0x04) OPL_KEYON(&OPL->P_CH[8].SLOT[SLOT1]); - else OPL_KEYOFF(&OPL->P_CH[8].SLOT[SLOT1]); - } - /* TOP-CY key on/off */ - if(rkey&0x02) - { - if(v&0x02) OPL_KEYON(&OPL->P_CH[8].SLOT[SLOT2]); - else OPL_KEYOFF(&OPL->P_CH[8].SLOT[SLOT2]); - } - /* HH key on/off */ - if(rkey&0x01) - { - if(v&0x01) OPL_KEYON(&OPL->P_CH[7].SLOT[SLOT1]); - else OPL_KEYOFF(&OPL->P_CH[7].SLOT[SLOT1]); - } - } - } - return; - } - /* keyon,block,fnum */ - if( (r&0x0f) > 8) return; - CH = &OPL->P_CH[r&0x0f]; - if(!(r&0x10)) - { /* a0-a8 */ - block_fnum = (CH->block_fnum&0x1f00) | v; - } - else - { /* b0-b8 */ - int keyon = (v>>5)&1; - block_fnum = ((v&0x1f)<<8) | (CH->block_fnum&0xff); - if(CH->keyon != keyon) - { - if( (CH->keyon=keyon) ) - { - CH->op1_out[0] = CH->op1_out[1] = 0; - OPL_KEYON(&CH->SLOT[SLOT1]); - OPL_KEYON(&CH->SLOT[SLOT2]); - } - else - { - OPL_KEYOFF(&CH->SLOT[SLOT1]); - OPL_KEYOFF(&CH->SLOT[SLOT2]); - } - } - } - /* update */ - if(CH->block_fnum != block_fnum) - { - int blockRv = 7-(block_fnum>>10); - int fnum = block_fnum&0x3ff; - CH->block_fnum = block_fnum; - - CH->ksl_base = KSL_TABLE[block_fnum>>6]; - CH->fc = OPL->FN_TABLE[fnum]>>blockRv; - CH->kcode = CH->block_fnum>>9; - if( (OPL->mode&0x40) && CH->block_fnum&0x100) CH->kcode |=1; - CALC_FCSLOT(CH,&CH->SLOT[SLOT1]); - CALC_FCSLOT(CH,&CH->SLOT[SLOT2]); - } - return; - case 0xc0: - /* FB,C */ - if( (r&0x0f) > 8) return; - CH = &OPL->P_CH[r&0x0f]; - { - int feedback = (v>>1)&7; - CH->FB = feedback ? (8+1) - feedback : 0; - CH->CON = v&1; - set_algorythm(CH); - } - return; - case 0xe0: /* wave type */ - slot = slot_array[r&0x1f]; - if(slot == -1) return; - CH = &OPL->P_CH[slot/2]; - if(OPL->wavesel) - { - /* LOG(LOG_INF,("OPL SLOT %d wave select %d\n",slot,v&3)); */ - CH->SLOT[slot&1].wavetable = &SIN_TABLE[(v&0x03)*SIN_ENT]; - } - return; - } -} - -/* lock/unlock for common table */ -static int OPL_LockTable(void) -{ - num_lock++; - if(num_lock>1) return 0; - /* first time */ - cur_chip = NULL; - /* allocate total level table (128kb space) */ - if( !OPLOpenTable() ) - { - num_lock--; - return -1; - } - return 0; -} - -static void OPL_UnLockTable(void) -{ - if(num_lock) num_lock--; - if(num_lock) return; - /* last time */ - cur_chip = NULL; - OPLCloseTable(); -} - -#if (BUILD_YM3812 || BUILD_YM3526) -/*******************************************************************************/ -/* YM3812 local section */ -/*******************************************************************************/ - -/* ---------- update one of chip ----------- */ -void YM3812UpdateOne(FM_OPL *OPL, INT16 *buffer, int length) -{ - int i; - int data; - FMSAMPLE *buf = buffer; - UINT32 amsCnt = OPL->amsCnt; - UINT32 vibCnt = OPL->vibCnt; - UINT8 rythm = OPL->rythm&0x20; - OPL_CH *CH,*R_CH; - - if( (void *)OPL != cur_chip ){ - cur_chip = (void *)OPL; - /* channel pointers */ - S_CH = OPL->P_CH; - E_CH = &S_CH[9]; - /* rythm slot */ - SLOT7_1 = &S_CH[7].SLOT[SLOT1]; - SLOT7_2 = &S_CH[7].SLOT[SLOT2]; - SLOT8_1 = &S_CH[8].SLOT[SLOT1]; - SLOT8_2 = &S_CH[8].SLOT[SLOT2]; - /* LFO state */ - amsIncr = OPL->amsIncr; - vibIncr = OPL->vibIncr; - ams_table = OPL->ams_table; - vib_table = OPL->vib_table; - } - R_CH = rythm ? &S_CH[6] : E_CH; - for( i=0; i < length ; i++ ) - { - /* channel A channel B channel C */ - /* LFO */ - ams = ams_table[(amsCnt+=amsIncr)>>AMS_SHIFT]; - vib = vib_table[(vibCnt+=vibIncr)>>VIB_SHIFT]; - outd[0] = 0; - /* FM part */ - for(CH=S_CH ; CH < R_CH ; CH++) - OPL_CALC_CH(CH); - /* Rythn part */ - if(rythm) - OPL_CALC_RH(S_CH); - /* limit check */ - data = Limit( outd[0] , OPL_MAXOUT, OPL_MINOUT ); - /* store to sound buffer */ - buf[i] = data >> OPL_OUTSB; - } - - OPL->amsCnt = amsCnt; - OPL->vibCnt = vibCnt; -} -#endif /* (BUILD_YM3812 || BUILD_YM3526) */ - -#if BUILD_Y8950 - -void Y8950UpdateOne(FM_OPL *OPL, INT16 *buffer, int length) -{ - int i; - int data; - FMSAMPLE *buf = buffer; - UINT32 amsCnt = OPL->amsCnt; - UINT32 vibCnt = OPL->vibCnt; - UINT8 rythm = OPL->rythm&0x20; - OPL_CH *CH,*R_CH; - YM_DELTAT *DELTAT = OPL->deltat; - - /* setup DELTA-T unit */ - YM_DELTAT_DECODE_PRESET(DELTAT); - - if( (void *)OPL != cur_chip ){ - cur_chip = (void *)OPL; - /* channel pointers */ - S_CH = OPL->P_CH; - E_CH = &S_CH[9]; - /* rythm slot */ - SLOT7_1 = &S_CH[7].SLOT[SLOT1]; - SLOT7_2 = &S_CH[7].SLOT[SLOT2]; - SLOT8_1 = &S_CH[8].SLOT[SLOT1]; - SLOT8_2 = &S_CH[8].SLOT[SLOT2]; - /* LFO state */ - amsIncr = OPL->amsIncr; - vibIncr = OPL->vibIncr; - ams_table = OPL->ams_table; - vib_table = OPL->vib_table; - } - R_CH = rythm ? &S_CH[6] : E_CH; - for( i=0; i < length ; i++ ) - { - /* channel A channel B channel C */ - /* LFO */ - ams = ams_table[(amsCnt+=amsIncr)>>AMS_SHIFT]; - vib = vib_table[(vibCnt+=vibIncr)>>VIB_SHIFT]; - outd[0] = 0; - /* deltaT ADPCM */ - if( DELTAT->flag ) - YM_DELTAT_ADPCM_CALC(DELTAT); - /* FM part */ - for(CH=S_CH ; CH < R_CH ; CH++) - OPL_CALC_CH(CH); - /* Rythn part */ - if(rythm) - OPL_CALC_RH(S_CH); - /* limit check */ - data = Limit( outd[0] , OPL_MAXOUT, OPL_MINOUT ); - /* store to sound buffer */ - buf[i] = data >> OPL_OUTSB; - } - OPL->amsCnt = amsCnt; - OPL->vibCnt = vibCnt; - /* deltaT START flag */ - if( !DELTAT->flag ) - OPL->status &= 0xfe; -} -#endif - -/* ---------- reset one of chip ---------- */ -void OPLResetChip(FM_OPL *OPL) -{ - int c,s; - int i; - - /* reset chip */ - OPL->mode = 0; /* normal mode */ - OPL_STATUS_RESET(OPL,0x7f); - /* reset with register write */ - OPLWriteReg(OPL,0x01,0); /* wabesel disable */ - OPLWriteReg(OPL,0x02,0); /* Timer1 */ - OPLWriteReg(OPL,0x03,0); /* Timer2 */ - OPLWriteReg(OPL,0x04,0); /* IRQ mask clear */ - for(i = 0xff ; i >= 0x20 ; i-- ) OPLWriteReg(OPL,i,0); - /* reset OPerator paramater */ - for( c = 0 ; c < OPL->max_ch ; c++ ) - { - OPL_CH *CH = &OPL->P_CH[c]; - /* OPL->P_CH[c].PAN = OPN_CENTER; */ - for(s = 0 ; s < 2 ; s++ ) - { - /* wave table */ - CH->SLOT[s].wavetable = &SIN_TABLE[0]; - /* CH->SLOT[s].evm = ENV_MOD_RR; */ - CH->SLOT[s].evc = EG_OFF; - CH->SLOT[s].eve = EG_OFF+1; - CH->SLOT[s].evs = 0; - } - } -#if BUILD_Y8950 - if(OPL->type&OPL_TYPE_ADPCM) - { - YM_DELTAT *DELTAT = OPL->deltat; - - DELTAT->freqbase = OPL->freqbase; - DELTAT->output_pointer = outd; - DELTAT->portshift = 5; - DELTAT->output_range = DELTAT_MIXING_LEVEL<P_CH = (OPL_CH *)ptr; ptr+=sizeof(OPL_CH)*max_ch; -#if BUILD_Y8950 - if(type&OPL_TYPE_ADPCM) OPL->deltat = (YM_DELTAT *)ptr; ptr+=sizeof(YM_DELTAT); -#endif - /* set channel state pointer */ - OPL->type = type; - OPL->clock = clock; - OPL->rate = rate; - OPL->max_ch = max_ch; - /* init grobal tables */ - OPL_initalize(OPL); - /* reset chip */ - OPLResetChip(OPL); - return OPL; -} - -/* ---------- Destroy one of vietual YM3812 ---------- */ -void OPLDestroy(FM_OPL *OPL) -{ - OPL_UnLockTable(); - free(OPL); -} - -/* ---------- Option handlers ---------- */ - -void OPLSetTimerHandler(FM_OPL *OPL,OPL_TIMERHANDLER TimerHandler,int channelOffset) -{ - OPL->TimerHandler = TimerHandler; - OPL->TimerParam = channelOffset; -} -void OPLSetIRQHandler(FM_OPL *OPL,OPL_IRQHANDLER IRQHandler,int param) -{ - OPL->IRQHandler = IRQHandler; - OPL->IRQParam = param; -} -void OPLSetUpdateHandler(FM_OPL *OPL,OPL_UPDATEHANDLER UpdateHandler,int param) -{ - OPL->UpdateHandler = UpdateHandler; - OPL->UpdateParam = param; -} -#if BUILD_Y8950 -void OPLSetPortHandler(FM_OPL *OPL,OPL_PORTHANDLER_W PortHandler_w,OPL_PORTHANDLER_R PortHandler_r,int param) -{ - OPL->porthandler_w = PortHandler_w; - OPL->porthandler_r = PortHandler_r; - OPL->port_param = param; -} - -void OPLSetKeyboardHandler(FM_OPL *OPL,OPL_PORTHANDLER_W KeyboardHandler_w,OPL_PORTHANDLER_R KeyboardHandler_r,int param) -{ - OPL->keyboardhandler_w = KeyboardHandler_w; - OPL->keyboardhandler_r = KeyboardHandler_r; - OPL->keyboard_param = param; -} -#endif -/* ---------- YM3812 I/O interface ---------- */ -int OPLWrite(FM_OPL *OPL,int a,int v) -{ - if( !(a&1) ) - { /* address port */ - OPL->address = v & 0xff; - } - else - { /* data port */ - if(OPL->UpdateHandler) OPL->UpdateHandler(OPL->UpdateParam,0); - OPLWriteReg(OPL,OPL->address,v); - } - return OPL->status>>7; -} - -unsigned char OPLRead(FM_OPL *OPL,int a) -{ - if( !(a&1) ) - { /* status port */ - return OPL->status & (OPL->statusmask|0x80); - } - /* data port */ - switch(OPL->address) - { - case 0x05: /* KeyBoard IN */ - if(OPL->type&OPL_TYPE_KEYBOARD) - { - if(OPL->keyboardhandler_r) - return OPL->keyboardhandler_r(OPL->keyboard_param); - else - LOG(LOG_WAR,("OPL:read unmapped KEYBOARD port\n")); - } - return 0; -#if 0 - case 0x0f: /* ADPCM-DATA */ - return 0; -#endif - case 0x19: /* I/O DATA */ - if(OPL->type&OPL_TYPE_IO) - { - if(OPL->porthandler_r) - return OPL->porthandler_r(OPL->port_param); - else - LOG(LOG_WAR,("OPL:read unmapped I/O port\n")); - } - return 0; - case 0x1a: /* PCM-DATA */ - return 0; - } - return 0; -} - -int OPLTimerOver(FM_OPL *OPL,int c) -{ - if( c ) - { /* Timer B */ - OPL_STATUS_SET(OPL,0x20); - } - else - { /* Timer A */ - OPL_STATUS_SET(OPL,0x40); - /* CSM mode key,TL controll */ - if( OPL->mode & 0x80 ) - { /* CSM mode total level latch and auto key on */ - int ch; - if(OPL->UpdateHandler) OPL->UpdateHandler(OPL->UpdateParam,0); - for(ch=0;ch<9;ch++) - CSMKeyControll( &OPL->P_CH[ch] ); - } - } - /* reload timer */ - if (OPL->TimerHandler) (OPL->TimerHandler)(OPL->TimerParam+c,(double)OPL->T[c]*OPL->TimerBase); - return OPL->status>>7; -} diff --git a/src/libxineadec/nosefart/fmopl.h b/src/libxineadec/nosefart/fmopl.h deleted file mode 100644 index 92a2859d7..000000000 --- a/src/libxineadec/nosefart/fmopl.h +++ /dev/null @@ -1,164 +0,0 @@ -#ifndef __FMOPL_H_ -#define __FMOPL_H_ - -#define HAS_YM3812 1 -typedef signed short int FMSAMPLE; - - -#define BUILD_YM3812 (HAS_YM3812) -#define BUILD_YM3526 (HAS_YM3526) -#define BUILD_Y8950 (HAS_Y8950) - -/* compiler dependence */ -#ifndef OSD_CPU_H -#define OSD_CPU_H -typedef unsigned char UINT8; /* unsigned 8bit */ -typedef unsigned short UINT16; /* unsigned 16bit */ -typedef unsigned int UINT32; /* unsigned 32bit */ -typedef signed char INT8; /* signed 8bit */ -typedef signed short INT16; /* signed 16bit */ -typedef signed int INT32; /* signed 32bit */ -#endif - -#if BUILD_Y8950 -#include "ymdeltat.h" -#endif - -typedef void (*OPL_TIMERHANDLER)(int channel,double interval_Sec); -typedef void (*OPL_IRQHANDLER)(int param,int irq); -typedef void (*OPL_UPDATEHANDLER)(int param,int min_interval_us); -typedef void (*OPL_PORTHANDLER_W)(int param,unsigned char data); -typedef unsigned char (*OPL_PORTHANDLER_R)(int param); - -/* !!!!! here is private section , do not access there member direct !!!!! */ - -#define OPL_TYPE_WAVESEL 0x01 /* waveform select */ -#define OPL_TYPE_ADPCM 0x02 /* DELTA-T ADPCM unit */ -#define OPL_TYPE_KEYBOARD 0x04 /* keyboard interface */ -#define OPL_TYPE_IO 0x08 /* I/O port */ - -/* ---------- OPL one of slot ---------- */ -typedef struct fm_opl_slot { - INT32 TL; /* total level :TL << 8 */ - INT32 TLL; /* adjusted now TL */ - UINT8 KSR; /* key scale rate :(shift down bit) */ - INT32 *AR; /* attack rate :&AR_TABLE[AR<<2] */ - INT32 *DR; /* decay rate :&DR_TALBE[DR<<2] */ - INT32 SL; /* sustin level :SL_TALBE[SL] */ - INT32 *RR; /* release rate :&DR_TABLE[RR<<2] */ - UINT8 ksl; /* keyscale level :(shift down bits) */ - UINT8 ksr; /* key scale rate :kcode>>KSR */ - UINT32 mul; /* multiple :ML_TABLE[ML] */ - UINT32 Cnt; /* frequency count : */ - UINT32 Incr; /* frequency step : */ - /* envelope generator state */ - UINT8 eg_typ; /* envelope type flag */ - UINT8 evm; /* envelope phase */ - INT32 evc; /* envelope counter */ - INT32 eve; /* envelope counter end point */ - INT32 evs; /* envelope counter step */ - INT32 evsa; /* envelope step for AR :AR[ksr] */ - INT32 evsd; /* envelope step for DR :DR[ksr] */ - INT32 evsr; /* envelope step for RR :RR[ksr] */ - /* LFO */ - UINT8 ams; /* ams flag */ - UINT8 vib; /* vibrate flag */ - /* wave selector */ - INT32 **wavetable; -}OPL_SLOT; - -/* ---------- OPL one of channel ---------- */ -typedef struct fm_opl_channel { - OPL_SLOT SLOT[2]; - UINT8 CON; /* connection type */ - UINT8 FB; /* feed back :(shift down bit) */ - INT32 *connect1; /* slot1 output pointer */ - INT32 *connect2; /* slot2 output pointer */ - INT32 op1_out[2]; /* slot1 output for selfeedback */ - /* phase generator state */ - UINT32 block_fnum; /* block+fnum : */ - UINT8 kcode; /* key code : KeyScaleCode */ - UINT32 fc; /* Freq. Increment base */ - UINT32 ksl_base; /* KeyScaleLevel Base step */ - UINT8 keyon; /* key on/off flag */ -} OPL_CH; - -/* OPL state */ -typedef struct fm_opl_f { - UINT8 type; /* chip type */ - int clock; /* master clock (Hz) */ - int rate; /* sampling rate (Hz) */ - double freqbase; /* frequency base */ - double TimerBase; /* Timer base time (==sampling time) */ - UINT8 address; /* address register */ - UINT8 status; /* status flag */ - UINT8 statusmask; /* status mask */ - UINT32 mode; /* Reg.08 : CSM , notesel,etc. */ - /* Timer */ - int T[2]; /* timer counter */ - UINT8 st[2]; /* timer enable */ - /* FM channel slots */ - OPL_CH *P_CH; /* pointer of CH */ - int max_ch; /* maximum channel */ - /* Rythm sention */ - UINT8 rythm; /* Rythm mode , key flag */ -#if BUILD_Y8950 - /* Delta-T ADPCM unit (Y8950) */ - YM_DELTAT *deltat; /* DELTA-T ADPCM */ -#endif - /* Keyboard / I/O interface unit (Y8950) */ - UINT8 portDirection; - UINT8 portLatch; - OPL_PORTHANDLER_R porthandler_r; - OPL_PORTHANDLER_W porthandler_w; - int port_param; - OPL_PORTHANDLER_R keyboardhandler_r; - OPL_PORTHANDLER_W keyboardhandler_w; - int keyboard_param; - /* time tables */ - INT32 AR_TABLE[75]; /* atttack rate tables */ - INT32 DR_TABLE[75]; /* decay rate tables */ - UINT32 FN_TABLE[1024]; /* fnumber -> increment counter */ - /* LFO */ - INT32 *ams_table; - INT32 *vib_table; - INT32 amsCnt; - INT32 amsIncr; - INT32 vibCnt; - INT32 vibIncr; - /* wave selector enable flag */ - UINT8 wavesel; - /* external event callback handler */ - OPL_TIMERHANDLER TimerHandler; /* TIMER handler */ - int TimerParam; /* TIMER parameter */ - OPL_IRQHANDLER IRQHandler; /* IRQ handler */ - int IRQParam; /* IRQ parameter */ - OPL_UPDATEHANDLER UpdateHandler; /* stream update handler */ - int UpdateParam; /* stream update parameter */ -} FM_OPL; - -/* ---------- Generic interface section ---------- */ -#define OPL_TYPE_YM3526 (0) -#define OPL_TYPE_YM3812 (OPL_TYPE_WAVESEL) -#define OPL_TYPE_Y8950 (OPL_TYPE_ADPCM|OPL_TYPE_KEYBOARD|OPL_TYPE_IO) - -FM_OPL *OPLCreate(int type, int clock, int rate); -void OPLDestroy(FM_OPL *OPL); -void OPLSetTimerHandler(FM_OPL *OPL,OPL_TIMERHANDLER TimerHandler,int channelOffset); -void OPLSetIRQHandler(FM_OPL *OPL,OPL_IRQHANDLER IRQHandler,int param); -void OPLSetUpdateHandler(FM_OPL *OPL,OPL_UPDATEHANDLER UpdateHandler,int param); -/* Y8950 port handlers */ -void OPLSetPortHandler(FM_OPL *OPL,OPL_PORTHANDLER_W PortHandler_w,OPL_PORTHANDLER_R PortHandler_r,int param); -void OPLSetKeyboardHandler(FM_OPL *OPL,OPL_PORTHANDLER_W KeyboardHandler_w,OPL_PORTHANDLER_R KeyboardHandler_r,int param); - -void OPLResetChip(FM_OPL *OPL); -int OPLWrite(FM_OPL *OPL,int a,int v); -unsigned char OPLRead(FM_OPL *OPL,int a); -int OPLTimerOver(FM_OPL *OPL,int c); - -/* YM3626/YM3812 local section */ -void YM3812UpdateOne(FM_OPL *OPL, INT16 *buffer, int length); - -void Y8950UpdateOne(FM_OPL *OPL, INT16 *buffer, int length); - -#endif diff --git a/src/libxineadec/nosefart/log.c b/src/libxineadec/nosefart/log.c deleted file mode 100644 index 8935a596e..000000000 --- a/src/libxineadec/nosefart/log.c +++ /dev/null @@ -1,118 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** log.c -** -** Error logging functions -** $Id: log.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#include -#include -#include "types.h" -#include "log.h" - - -#ifdef OSD_LOG -#include "osd.h" -#endif - -#if defined(OSD_LOG) && !defined(NOFRENDO_DEBUG) -#error NOFRENDO_DEBUG must be defined as well as OSD_LOG -#endif - -/* Note that all of these functions will be empty if -** debugging is not enabled. -*/ -#ifdef NOFRENDO_DEBUG -static FILE *errorlog; -#endif - -int log_init(void) -{ -#ifdef NOFRENDO_DEBUG -#ifdef OSD_LOG - /* Initialize an OSD logging system */ - osd_loginit(); -#endif /* OSD_LOG */ - errorlog = fopen("errorlog.txt", "wt"); - if (NULL == errorlog) - return (-1); -#endif /* NOFRENDO_DEBUG */ - return 0; -} - -void log_shutdown(void) -{ -#ifdef NOFRENDO_DEBUG - /* Snoop around for unallocated blocks */ - mem_checkblocks(); - mem_checkleaks(); -#ifdef OSD_LOG - osd_logshutdown(); -#endif /* OSD_LOG */ - fclose(errorlog); -#endif /* NOFRENDO_DEBUG */ -} - -void log_print(const char *string) -{ -#ifdef NOFRENDO_DEBUG -#ifdef OSD_LOG - osd_logprint(string); -#endif /* OSD_LOG */ - /* Log it to disk, as well */ - fputs(string, errorlog); -#endif /* NOFRENDO_DEBUG */ -} - -void log_printf(const char *format, ... ) -{ -#ifdef NOFRENDO_DEBUG -#ifdef OSD_LOG - char buffer[1024 + 1]; -#endif /* OSD_LOG */ - va_list arg; - - va_start(arg, format); - -#ifdef OSD_LOG - vsprintf(buffer, format, arg); - osd_logprint(buffer); -#endif /* OSD_LOG */ - vfprintf(errorlog, format, arg); - va_end(arg); -#endif /* NOFRENDO_DEBUG */ -} - -/* -** $Log: log.c,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.5 2000/06/26 04:55:33 matt -** minor change -** -** Revision 1.4 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/log.h b/src/libxineadec/nosefart/log.h deleted file mode 100644 index a12deff0a..000000000 --- a/src/libxineadec/nosefart/log.h +++ /dev/null @@ -1,53 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** log.h -** -** Error logging header file -** $Id: log.h,v 1.3 2006/04/21 23:15:45 dsalt Exp $ -*/ - -#ifndef _LOG_H_ -#define _LOG_H_ - -#include -#include "attributes.h" - -extern int log_init(void); -extern void log_shutdown(void); -extern void log_print(const char *string); -extern void log_printf(const char *format, ...) XINE_FORMAT_PRINTF(1, 2); - -#endif /* _LOG_H_ */ - -/* -** $Log: log.h,v $ -** Revision 1.3 2006/04/21 23:15:45 dsalt -** Add printf format attributes. -** -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.4 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/memguard.c b/src/libxineadec/nosefart/memguard.c deleted file mode 100644 index 35b3ef6ba..000000000 --- a/src/libxineadec/nosefart/memguard.c +++ /dev/null @@ -1,417 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** memguard.c -** -** memory allocation wrapper routines -** -** NOTE: based on code (c) 1998 the Retrocade group -** $Id: memguard.c,v 1.4 2004/02/20 19:53:39 komadori Exp $ -*/ - -#include "types.h" - -/* undefine macro definitions, so we get real calls */ -#undef malloc -#undef free - -#include -#include - -#if HAVE_INTTYPES_H -# include -#else -# if HAVE_STDINT_H -# include -# endif -#endif - -#include "memguard.h" -#include "log.h" - - -/* Maximum number of allocated blocks at any one time */ -#define MAX_BLOCKS 16384 - -/* Memory block structure */ -typedef struct memblock_s -{ - void *block_addr; - int block_size; - char *file_name; - int line_num; -} memblock_t; - -boolean mem_debug = TRUE; /* debugging flag */ - - -#ifdef NOFRENDO_DEBUG - -static int mem_blockcount = 0; /* allocated block count */ -static memblock_t *mem_record = NULL; - -#define GUARD_STRING "GgUuAaRrDdSsTtRrIiNnGgBbLlOoCcKk" -#define GUARD_LENGTH 64 /* before and after allocated block */ - - -/* -** Check the memory guard to make sure out of bounds writes have not -** occurred. -*/ -static boolean mem_checkguardblock(void *data, int guard_size) -{ - uint8 *orig, *chk, *blk; - int i, alloc_size; - - /* get the original pointer */ - orig = (((uint8 *) data) - guard_size); - - /* get the size */ - alloc_size = *((uint32 *) orig); - - /* now skip past the size */ - blk = orig + sizeof(uint32); - - /* check leading guard string */ - chk = GUARD_STRING; - for (i = sizeof(uint32); i < guard_size; i++) - { - if (0 == *chk) - chk = GUARD_STRING; - if (*blk != *chk) - return FALSE; - chk++; - blk++; - } - - /* check end of block */ - chk = GUARD_STRING; - blk = ((uint8 *) data) + alloc_size; - for (i = 0; i < guard_size; i++) - { - if (0 == *chk) - chk = GUARD_STRING; - if (*blk != *chk) - return FALSE; - chk++; - blk++; - } - - /* we're okay! */ - return TRUE; -} - -/* free a guard block */ -static void mem_freeguardblock(void *data, int guard_size) -{ - uint8 *orig = (((uint8 *) data) - guard_size); - - free(orig); -} - -/* fill in the memory guard, advance the pointer to the 'real' memory */ -static void *mem_guardblock(int alloc_size, int guard_size) -{ - void *orig; - uint8 *blk, *chk; - int i; - - /* allocate memory */ - orig = calloc(alloc_size + (guard_size * 2), 1); - if (NULL == orig) - return NULL; - - blk = ((uint8 *) orig); - - /* store the size of the newly allocated block*/ - *((uint32 *) blk) = alloc_size; - - /* skip past the size */ - blk += sizeof(uint32); - - /* put guard string at beginning of block */ - chk = GUARD_STRING; - for (i = sizeof(uint32); i < guard_size; i++) - { - if (0 == *chk) - chk = GUARD_STRING; - *blk++ = *chk++; - } - - /* check end of block */ - chk = GUARD_STRING; - blk = guard_size + (uint8 *) orig + alloc_size; - for (i = 0; i < guard_size; i++) - { - if (0 == *chk) - chk = GUARD_STRING; - *blk++ = *chk++; - } - - return (void *) (guard_size + (uint8 *) orig); -} - - -/* Allocate a bunch of memory to keep track of all memory blocks */ -static void mem_init(void) -{ - if (mem_record) - { - free(mem_record); - mem_record = NULL; - } - - mem_record = calloc(MAX_BLOCKS * sizeof(memblock_t), 1); - ASSERT(mem_record); -} - -/* add a block of memory to the master record */ -static void mem_addblock(void *data, int block_size, char *file, int line) -{ - int i; - - for (i = 0; i < MAX_BLOCKS; i++) - { - if (NULL == mem_record[i].block_addr) - { - mem_record[i].block_addr = data; - mem_record[i].block_size = block_size; - mem_record[i].file_name = file; - mem_record[i].line_num = line; - return; - } - } - - ASSERT_MSG("out of memory blocks."); -} - -/* find an entry in the block record and delete it */ -static void mem_deleteblock(void *data, char *file, int line) -{ - int i; - char fail[256]; - - for (i = 0; i < MAX_BLOCKS; i++) - { - if (data == mem_record[i].block_addr) - { - if (FALSE == mem_checkguardblock(mem_record[i].block_addr, GUARD_LENGTH)) - { - sprintf(fail, "mem_deleteblock 0x%08X at line %d of %s -- block corrupt", - (uint32) data, line, file); - ASSERT_MSG(fail); - } - - memset(&mem_record[i], 0, sizeof(memblock_t)); - return; - } - } - - sprintf(fail, "mem_deleteblock 0x%08X at line %d of %s -- block not found", - (uint32) data, line, file); - ASSERT_MSG(fail); -} -#endif /* NOFRENDO_DEBUG */ - -/* allocates memory and clears it */ -#ifdef NOFRENDO_DEBUG -void *_my_malloc(int size, char *file, int line) -#else -void *_my_malloc(int size) -#endif -{ - void *temp; - char fail[256]; - -#ifdef NOFRENDO_DEBUG - if (NULL == mem_record && FALSE != mem_debug) - mem_init(); - - if (FALSE != mem_debug) - temp = mem_guardblock(size, GUARD_LENGTH); - else -#endif /* NOFRENDO_DEBUG */ - temp = calloc(sizeof(uint8), size); - - if (NULL == temp) - { -#ifdef NOFRENDO_DEBUG - sprintf(fail, "malloc: out of memory at line %d of %s. block size: %d\n", - line, file, size); -#else - sprintf(fail, "malloc: out of memory. block size: %d\n", size); -#endif - ASSERT_MSG(fail); - } - -#ifdef NOFRENDO_DEBUG - if (FALSE != mem_debug) - mem_addblock(temp, size, file, line); - - mem_blockcount++; -#endif - - return temp; -} - -/* free a pointer allocated with my_malloc */ -#ifdef NOFRENDO_DEBUG -void _my_free(void **data, char *file, int line) -#else -void _my_free(void **data) -#endif -{ - char fail[256]; - - if (NULL == data || NULL == *data - || ((uintptr_t)-1) == (uintptr_t) *data || ((uintptr_t)-1) == (uintptr_t) data) - { -#ifdef NOFRENDO_DEBUG - sprintf(fail, "free: attempted to free NULL pointer at line %d of %s\n", - line, file); -#else - sprintf(fail, "free: attempted to free NULL pointer.\n"); -#endif - ASSERT_MSG(fail); - } - -#ifdef NOFRENDO_DEBUG - /* if this is true, we are in REAL trouble */ - if (0 == mem_blockcount) - { - ASSERT_MSG("free: attempted to free memory when no blocks available"); - } - - if (FALSE != mem_debug) - mem_deleteblock(*data, file, line); - - mem_blockcount--; /* dec our block count */ - - if (FALSE != mem_debug) - mem_freeguardblock(*data, GUARD_LENGTH); - else -#endif /* NOFRENDO_DEBUG */ - free(*data); - - *data = NULL; /* NULL our source */ -} - -/* check for orphaned memory handles */ -void mem_checkleaks(void) -{ -#ifdef NOFRENDO_DEBUG - int i; - - if (FALSE == mem_debug) - return; - - if (mem_blockcount) - { - log_printf("memory leak - %d unfreed block%s\n\n", mem_blockcount, - mem_blockcount == 1 ? "" : "s"); - - for (i = 0; i < MAX_BLOCKS; i++) - { - if (mem_record[i].block_addr) - { - log_printf("addr: 0x%08X, size: %d, line %d of %s%s\n", - (uint32) mem_record[i].block_addr, - mem_record[i].block_size, - mem_record[i].line_num, - mem_record[i].file_name, - (FALSE == mem_checkguardblock(mem_record[i].block_addr, GUARD_LENGTH)) - ? " -- block corrupt" : ""); - } - } - } - else - log_printf("no memory leaks\n"); -#endif -} - -void mem_checkblocks(void) -{ -#ifdef NOFRENDO_DEBUG - int i; - - if (FALSE == mem_debug) - return; - - for (i = 0; i < MAX_BLOCKS; i++) - { - if (mem_record[i].block_addr) - { - if (FALSE == mem_checkguardblock(mem_record[i].block_addr, GUARD_LENGTH)) - { - log_printf("addr: 0x%08X, size: %d, line %d of %s -- block corrupt\n", - (uint32) mem_record[i].block_addr, - mem_record[i].block_size, - mem_record[i].line_num, - mem_record[i].file_name); - } - } - } -#endif /* NOFRENDO_DEBUG */ -} - -/* -** $Log: memguard.c,v $ -** Revision 1.4 2004/02/20 19:53:39 komadori -** Fixed detection of linux framebuffer support. Included xineutils.h in dsputil_mlib.c and added to diff_to_ffmpeg_cvs.txt. Fixed function prototype in dsputil_mlib.c (should be sent back to ffmpeg-dev at some point). Fixed includes in nosefart. Fixed nested comments and includes in goom. -** -** Revision 1.3 2004/02/19 02:50:25 rockyb -** Mandrake patches from -** http://cvs.mandrakesoft.com/cgi-bin/cvsweb.cgi/SPECS/xine-lib/ -** via Goetz Waschk who reports: -** -** The amd64 patch (xine-lib-1-rc0a-amd64.patch) sets some conservative -** CFLAGS for amd64, -** -** the lib64 patch (xine-lib-1-rc0a-lib64.patch) replaces hardcoded -** /lib to support the lib64 library dir on amd64, -** -** the directfb patch (xine-lib-1-rc2-no-directfb.patch) adds a -** configure option to disable directfb, -** -** the linuxfb patch (xine-lib-1-rc3a-no-linuxfb.patch) does the same -** for linux framebuffer and -** -** the 64bit fixes patch (xine-lib-1-rc3-64bit-fixes.patch) doesn't -** apply at the moment against the CVS -- demux_ogg.c was not applied. -** it includes some 64 bit pointer and other fixes for 64bit architectures. -** from Gwenole Beauchesne -** -** I haven't tested other than apply and compile. -** -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.8 2000/06/26 04:54:48 matt -** simplified and made more robust -** -** Revision 1.7 2000/06/12 01:11:41 matt -** cleaned up some error output for win32 -** -** Revision 1.6 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/memguard.h b/src/libxineadec/nosefart/memguard.h deleted file mode 100644 index d80d6fb7c..000000000 --- a/src/libxineadec/nosefart/memguard.h +++ /dev/null @@ -1,70 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** memguard.h -** -** memory allocation wrapper routines -** $Id: memguard.h,v 1.2 2003/03/01 02:23:01 storri Exp $ -*/ - -#ifndef _MEMGUARD_H_ -#define _MEMGUARD_H_ - -#ifdef NOFRENDO_DEBUG - -#define malloc(s) _my_malloc((s), __FILE__, __LINE__) -#define free(d) _my_free((void **) &(d), __FILE__, __LINE__) - -extern void *_my_malloc(int size, char *file, int line); -extern void _my_free(void **data, char *file, int line); - -#else /* Non-debugging versions of calls */ - -#define malloc(s) _my_malloc((s)) -#define free(d) _my_free((void **) &(d)) - -extern void *_my_malloc(int size); -extern void _my_free(void **data); - -#endif /* NOFRENDO_DEBUG */ - - -extern void mem_checkblocks(void); -extern void mem_checkleaks(void); - -extern boolean mem_debug; - -#endif /* _MEMGUARD_H_ */ - -/* -** $Log: memguard.h,v $ -** Revision 1.2 2003/03/01 02:23:01 storri -** Added new line at end of file to remove compiler warning. -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.5 2000/06/26 04:54:48 matt -** simplified and made more robust -** -** Revision 1.4 2000/06/09 15:12:25 matt -** initial revision -** -*/ - diff --git a/src/libxineadec/nosefart/mmc5_snd.c b/src/libxineadec/nosefart/mmc5_snd.c deleted file mode 100644 index 7269fa967..000000000 --- a/src/libxineadec/nosefart/mmc5_snd.c +++ /dev/null @@ -1,360 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** mmc5_snd.c -** -** Nintendo MMC5 sound emulation -** $Id: mmc5_snd.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#include -#include "types.h" -#include "mmc5_snd.h" -#include "nes_apu.h" - -/* TODO: encapsulate apu/mmc5 rectangle */ - -#define APU_OVERSAMPLE -#define APU_VOLUME_DECAY(x) ((x) -= ((x) >> 7)) - - -typedef struct mmc5dac_s -{ - int32 output; - boolean enabled; -} mmc5dac_t; - - -/* look up table madness */ -static int32 decay_lut[16]; -static int vbl_lut[32]; - -/* various sound constants for sound emulation */ -/* vblank length table used for rectangles, triangle, noise */ -static const uint8 vbl_length[32] = -{ - 5, 127, 10, 1, 19, 2, 40, 3, 80, 4, 30, 5, 7, 6, 13, 7, - 6, 8, 12, 9, 24, 10, 48, 11, 96, 12, 36, 13, 8, 14, 16, 15 -}; - -/* ratios of pos/neg pulse for rectangle waves -** 2/16 = 12.5%, 4/16 = 25%, 8/16 = 50%, 12/16 = 75% -** (4-bit adder in rectangles, hence the 16) -*/ -static const int duty_lut[4] = -{ - 2, 4, 8, 12 -}; - - -static int32 mmc5_incsize; -static uint8 mul[2]; -static mmc5rectangle_t mmc5rect[2]; -static mmc5dac_t mmc5dac; - -#define MMC5_RECTANGLE_OUTPUT chan->output_vol -static int32 mmc5_rectangle(mmc5rectangle_t *chan) -{ - int32 output; - -#ifdef APU_OVERSAMPLE - int num_times; - int32 total; -#endif /* APU_OVERSAMPLE */ - - /* reg0: 0-3=volume, 4=envelope, 5=hold, 6-7=duty cycle - ** reg1: 0-2=sweep shifts, 3=sweep inc/dec, 4-6=sweep length, 7=sweep on - ** reg2: 8 bits of freq - ** reg3: 0-2=high freq, 7-4=vbl length counter - */ - - APU_VOLUME_DECAY(chan->output_vol); - - if (FALSE == chan->enabled || 0 == chan->vbl_length) - return MMC5_RECTANGLE_OUTPUT; - - /* vbl length counter */ - if (FALSE == chan->holdnote) - chan->vbl_length--; - - /* envelope decay at a rate of (env_delay + 1) / 240 secs */ - chan->env_phase -= 4; /* 240/60 */ - while (chan->env_phase < 0) - { - chan->env_phase += chan->env_delay; - - if (chan->holdnote) - chan->env_vol = (chan->env_vol + 1) & 0x0F; - else if (chan->env_vol < 0x0F) - chan->env_vol++; - } - - if (chan->freq < APU_TO_FIXED(4)) - return MMC5_RECTANGLE_OUTPUT; - - chan->phaseacc -= mmc5_incsize; /* # of cycles per sample */ - if (chan->phaseacc >= 0) - return MMC5_RECTANGLE_OUTPUT; - -#ifdef APU_OVERSAMPLE - num_times = total = 0; - - if (chan->fixed_envelope) - output = chan->volume << 8; /* fixed volume */ - else - output = (chan->env_vol ^ 0x0F) << 8; -#endif - - while (chan->phaseacc < 0) - { - chan->phaseacc += chan->freq; - chan->adder = (chan->adder + 1) & 0x0F; - -#ifdef APU_OVERSAMPLE - if (chan->adder < chan->duty_flip) - total += output; - else - total -= output; - - num_times++; -#endif - } - -#ifdef APU_OVERSAMPLE - chan->output_vol = total / num_times; -#else - if (chan->fixed_envelope) - output = chan->volume << 8; /* fixed volume */ - else - output = (chan->env_vol ^ 0x0F) << 8; - - if (0 == chan->adder) - chan->output_vol = output; - else if (chan->adder == chan->duty_flip) - chan->output_vol = -output; -#endif - - return MMC5_RECTANGLE_OUTPUT; -} - -static uint8 mmc5_read(uint32 address) -{ - uint32 retval; - - retval = (uint32) (mul[0] * mul[1]); - - switch (address) - { - case 0x5205: - return (uint8) retval; - - case 0x5206: - return (uint8) (retval >> 8); - - default: - return 0xFF; - } -} - -/* mix vrcvi sound channels together */ -static int32 mmc5_process(void) -{ - int32 accum; - - accum = mmc5_rectangle(&mmc5rect[0]); - accum += mmc5_rectangle(&mmc5rect[1]); - if (mmc5dac.enabled) - accum += mmc5dac.output; - - return accum; -} - -/* write to registers */ -static void mmc5_write(uint32 address, uint8 value) -{ - int chan; - - switch (address) - { - /* rectangles */ - case MMC5_WRA0: - case MMC5_WRB0: - chan = (address & 4) ? 1 : 0; - mmc5rect[chan].regs[0] = value; - - mmc5rect[chan].volume = value & 0x0F; - mmc5rect[chan].env_delay = decay_lut[value & 0x0F]; - mmc5rect[chan].holdnote = (value & 0x20) ? TRUE : FALSE; - mmc5rect[chan].fixed_envelope = (value & 0x10) ? TRUE : FALSE; - mmc5rect[chan].duty_flip = duty_lut[value >> 6]; - break; - - case MMC5_WRA1: - case MMC5_WRB1: - break; - - case MMC5_WRA2: - case MMC5_WRB2: - chan = (address & 4) ? 1 : 0; - mmc5rect[chan].regs[2] = value; - if (mmc5rect[chan].enabled) - mmc5rect[chan].freq = APU_TO_FIXED((((mmc5rect[chan].regs[3] & 7) << 8) + value) + 1); - break; - - case MMC5_WRA3: - case MMC5_WRB3: - chan = (address & 4) ? 1 : 0; - mmc5rect[chan].regs[3] = value; - - if (mmc5rect[chan].enabled) - { - mmc5rect[chan].vbl_length = vbl_lut[value >> 3]; - mmc5rect[chan].env_vol = 0; - mmc5rect[chan].freq = APU_TO_FIXED((((value & 7) << 8) + mmc5rect[chan].regs[2]) + 1); - mmc5rect[chan].adder = 0; - } - break; - - case MMC5_SMASK: - if (value & 0x01) - mmc5rect[0].enabled = TRUE; - else - { - mmc5rect[0].enabled = FALSE; - mmc5rect[0].vbl_length = 0; - } - - if (value & 0x02) - mmc5rect[1].enabled = TRUE; - else - { - mmc5rect[1].enabled = FALSE; - mmc5rect[1].vbl_length = 0; - } - - break; - - case 0x5010: - if (value & 0x01) - mmc5dac.enabled = TRUE; - else - mmc5dac.enabled = FALSE; - break; - - case 0x5011: - mmc5dac.output = (value ^ 0x80) << 8; - break; - - case 0x5205: - mul[0] = value; - break; - - case 0x5206: - mul[1] = value; - break; - - default: - break; - } -} - -/* reset state of vrcvi sound channels */ -static void mmc5_reset(void) -{ - int i; - - /* get the phase period from the apu */ - mmc5_incsize = apu_getcyclerate(); - - for (i = 0x5000; i < 0x5008; i++) - mmc5_write(i, 0); - - mmc5_write(0x5010, 0); - mmc5_write(0x5011, 0); -} - -static void mmc5_init(void) -{ - int i; - int num_samples = apu_getcontext()->num_samples; - - /* lut used for enveloping and frequency sweeps */ - for (i = 0; i < 16; i++) - decay_lut[i] = num_samples * (i + 1); - - /* used for note length, based on vblanks and size of audio buffer */ - for (i = 0; i < 32; i++) - vbl_lut[i] = vbl_length[i] * num_samples; -} - -/* TODO: bleh */ -static void mmc5_shutdown(void) -{ -} - -static apu_memread mmc5_memread[] = -{ - { 0x5205, 0x5206, mmc5_read }, - { -1, -1, NULL } -}; - -static apu_memwrite mmc5_memwrite[] = -{ - { 0x5000, 0x5015, mmc5_write }, - { 0x5205, 0x5206, mmc5_write }, - { -1, -1, NULL } -}; - -apuext_t mmc5_ext = -{ - mmc5_init, - mmc5_shutdown, - mmc5_reset, - mmc5_process, - mmc5_memread, - mmc5_memwrite -}; - -/* -** $Log: mmc5_snd.c,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.6 2000/07/04 04:51:41 matt -** cleanups -** -** Revision 1.5 2000/07/03 02:18:53 matt -** much better external module exporting -** -** Revision 1.4 2000/06/28 22:03:51 matt -** fixed stupid oversight -** -** Revision 1.3 2000/06/20 20:46:58 matt -** minor cleanups -** -** Revision 1.2 2000/06/20 04:06:16 matt -** migrated external sound definition to apu module -** -** Revision 1.1 2000/06/20 00:06:47 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/mmc5_snd.h b/src/libxineadec/nosefart/mmc5_snd.h deleted file mode 100644 index 256cc2285..000000000 --- a/src/libxineadec/nosefart/mmc5_snd.h +++ /dev/null @@ -1,82 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** mmc5_snd.h -** -** Nintendo MMC5 sound emulation header -** $Id: mmc5_snd.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#ifndef _MMC5_SND_H_ -#define _MMC5_SND_H_ - -#define MMC5_WRA0 0x5000 -#define MMC5_WRA1 0x5001 -#define MMC5_WRA2 0x5002 -#define MMC5_WRA3 0x5003 -#define MMC5_WRB0 0x5004 -#define MMC5_WRB1 0x5005 -#define MMC5_WRB2 0x5006 -#define MMC5_WRB3 0x5007 -#define MMC5_SMASK 0x5015 - -typedef struct mmc5rectangle_s -{ - uint8 regs[4]; - - boolean enabled; - - int32 phaseacc; - int32 freq; - int32 output_vol; - boolean fixed_envelope; - boolean holdnote; - uint8 volume; - - int32 env_phase; - int32 env_delay; - uint8 env_vol; - - int vbl_length; - uint8 adder; - int duty_flip; -} mmc5rectangle_t; - - -#include "nes_apu.h" - -extern apuext_t mmc5_ext; - -#endif /* !_MMC5_SND_H_ */ - -/* -** $Log: mmc5_snd.h,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.2 2000/06/20 04:06:16 matt -** migrated external sound definition to apu module -** -** Revision 1.1 2000/06/20 00:06:47 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/nes6502.c b/src/libxineadec/nosefart/nes6502.c deleted file mode 100644 index f1ca80af4..000000000 --- a/src/libxineadec/nosefart/nes6502.c +++ /dev/null @@ -1,2386 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** nes6502.c -** -** NES custom 6502 (2A03) CPU implementation -** $Id: nes6502.c,v 1.2 2003/01/09 19:50:03 jkeil Exp $ -*/ - - -#include "types.h" -#include "nes6502.h" -#include "dis6502.h" -#include - - -#define ADD_CYCLES(x) instruction_cycles += (x) -#define INC_CYCLES() instruction_cycles++ -//#define ADD_CYCLES(x) remaining_cycles -= (x) -//#define INC_CYCLES() remaining_cycles-- - -/* -** Check to see if an index reg addition overflowed to next page -*/ -#define CHECK_INDEX_OVERFLOW(addr, reg) \ -{ \ - if ((uint8) (addr) < (reg)) \ - INC_CYCLES(); \ -} - -/* -** Addressing mode macros -*/ - -#define NO_READ(value) /* empty */ - -#define IMMEDIATE_BYTE(value) \ -{ \ - value = bank_readbyte(PC++); \ -} - - -#define ABSOLUTE_ADDR(address) \ -{ \ - address = bank_readaddress(PC); \ - PC += 2; \ -} - -#define ABSOLUTE(address, value) \ -{ \ - ABSOLUTE_ADDR(address); \ - value = mem_read(address); \ -} - -#define ABSOLUTE_BYTE(value) \ -{ \ - ABSOLUTE(temp, value); \ -} - -#define ABS_IND_X_ADDR(address) \ -{ \ - address = (bank_readaddress(PC) + X) & 0xFFFF; \ - PC += 2; \ - CHECK_INDEX_OVERFLOW(address, X); \ -} - -#define ABS_IND_X(address, value) \ -{ \ - ABS_IND_X_ADDR(address); \ - value = mem_read(address); \ -} - -#define ABS_IND_X_BYTE(value) \ -{ \ - ABS_IND_X(temp, value); \ -} - -#define ABS_IND_Y_ADDR(address) \ -{ \ - address = (bank_readaddress(PC) + Y) & 0xFFFF; \ - PC += 2; \ - CHECK_INDEX_OVERFLOW(address, Y); \ -} - -#define ABS_IND_Y(address, value) \ -{ \ - ABS_IND_Y_ADDR(address); \ - value = mem_read(address); \ -} - -#define ABS_IND_Y_BYTE(value) \ -{ \ - ABS_IND_Y(temp, value); \ -} - -#define ZERO_PAGE_ADDR(address) \ -{ \ - IMMEDIATE_BYTE(address); \ -} - -#define ZERO_PAGE(address, value) \ -{ \ - ZERO_PAGE_ADDR(address); \ - value = ZP_READ(address); \ -} - -#define ZERO_PAGE_BYTE(value) \ -{ \ - ZERO_PAGE(btemp, value); \ -} - -/* Zero-page indexed Y doesn't really exist, just for LDX / STX */ -#define ZP_IND_X_ADDR(address) \ -{ \ - address = bank_readbyte(PC++) + X; \ -} - -#define ZP_IND_X(bAddr, value) \ -{ \ - ZP_IND_X_ADDR(bAddr); \ - value = ZP_READ(bAddr); \ -} - -#define ZP_IND_X_BYTE(value) \ -{ \ - ZP_IND_X(btemp, value); \ -} - -#define ZP_IND_Y_ADDR(address) \ -{ \ - address = bank_readbyte(PC++) + Y; \ -} - -#define ZP_IND_Y(address, value) \ -{ \ - ZP_IND_Y_ADDR(address); \ - value = ZP_READ(address); \ -} - -#define ZP_IND_Y_BYTE(value) \ -{ \ - ZP_IND_Y(btemp, value); \ -} - -/* -** For conditional jump relative instructions -** (BCC, BCS, BEQ, BMI, BNE, BPL, BVC, BVS) -*/ -#define RELATIVE_JUMP(cond) \ -{ \ - if (cond) \ - { \ - IMMEDIATE_BYTE(btemp); \ - if (((int8) btemp + (uint8) PC) & 0xFF00) \ - ADD_CYCLES(4); \ - else \ - ADD_CYCLES(3); \ - PC += ((int8) btemp); \ - } \ - else \ - { \ - PC++; \ - ADD_CYCLES(2); \ - } \ -} - -/* -** This is actually indexed indirect, but I call it -** indirect X to avoid confusion -*/ -#define INDIR_X_ADDR(address) \ -{ \ - btemp = bank_readbyte(PC++) + X; \ - address = zp_address(btemp); \ -} - -#define INDIR_X(address, value) \ -{ \ - INDIR_X_ADDR(address); \ - value = mem_read(address); \ -} - -#define INDIR_X_BYTE(value) \ -{ \ - INDIR_X(temp, value); \ -} - -/* -** This is actually indirect indexed, but I call it -** indirect y to avoid confusion -*/ -#define INDIR_Y_ADDR(address) \ -{ \ - IMMEDIATE_BYTE(btemp); \ - address = (zp_address(btemp) + Y) & 0xFFFF; \ - /* ???? */ \ - CHECK_INDEX_OVERFLOW(address, Y); \ -} - -#define INDIR_Y(address, value) \ -{ \ - INDIR_Y_ADDR(address); \ - value = mem_read(address); \ -} - -#define INDIR_Y_BYTE(value) \ -{ \ - /*IMMEDIATE_BYTE(btemp); \ - temp = zp_address(btemp) + Y; \ - CHECK_INDEX_OVERFLOW(temp, Y); \ - value = mem_read(temp);*/ \ - INDIR_Y(temp, value); \ -} - - -#define JUMP(address) PC = bank_readaddress((address)) - -/* -** Interrupt macros -*/ -#define NMI() \ -{ \ - PUSH(PC >> 8); \ - PUSH(PC & 0xFF); \ - CLEAR_FLAG(B_FLAG); \ - PUSH(P); \ - SET_FLAG(I_FLAG); \ - JUMP(NMI_VECTOR); \ - int_pending &= ~NMI_MASK; \ - ADD_CYCLES(INT_CYCLES); \ -} - -#define IRQ() \ -{ \ - PUSH(PC >> 8); \ - PUSH(PC & 0xFF); \ - CLEAR_FLAG(B_FLAG); \ - PUSH(P); \ - SET_FLAG(I_FLAG); \ - JUMP(IRQ_VECTOR); \ - int_pending &= ~IRQ_MASK; \ - ADD_CYCLES(INT_CYCLES); \ -} - -/* -** Instruction macros -*/ - -/* Warning! NES CPU has no decimal mode, so by default this does no BCD! */ -#ifdef NES6502_DECIMAL -#define ADC(cycles, read_func) \ -{ \ - read_func(data); \ - if (P & D_FLAG) \ - { \ - temp = (A & 0x0F) + (data & 0x0F) + (P & C_FLAG); \ - if (temp >= 10) \ - temp = (temp - 10) | 0x10; \ - temp += (A & 0xF0) + (data & 0xF0); \ - TEST_AND_FLAG(0 == ((A + data + (P & C_FLAG)) & 0xFF), Z_FLAG); \ - TEST_AND_FLAG(temp & 0x80, N_FLAG); \ - TEST_AND_FLAG(((~(A ^ data)) & (A ^ temp) & 0x80), V_FLAG); \ - if (temp > 0x9F) \ - temp += 0x60; \ - TEST_AND_FLAG(temp > 0xFF, C_FLAG); \ - A = (uint8) temp; \ - } \ - else \ - { \ - temp = A + data + (P & C_FLAG); \ - /* Set C on carry */ \ - TEST_AND_FLAG(temp > 0xFF, C_FLAG); \ - /* Set V on overflow */ \ - TEST_AND_FLAG(((~(A ^ data)) & (A ^ temp) & 0x80), V_FLAG); \ - A = (uint8) temp; \ - SET_NZ_FLAGS(A); \ - }\ - ADD_CYCLES(cycles); \ -} -#else -#define ADC(cycles, read_func) \ -{ \ - read_func(data); \ - temp = A + data + (P & C_FLAG); \ - /* Set C on carry */ \ - TEST_AND_FLAG(temp > 0xFF, C_FLAG); \ - /* Set V on overflow */ \ - TEST_AND_FLAG(((~(A ^ data)) & (A ^ temp) & 0x80), V_FLAG); \ - A = (uint8) temp; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} -#endif /* NES6502_DECIMAL */ - -/* undocumented */ -#define ANC(cycles, read_func) \ -{ \ - read_func(data); \ - A &= data; \ - SET_NZ_FLAGS(A); \ - TEST_AND_FLAG(P & N_FLAG, C_FLAG); \ - ADD_CYCLES(cycles); \ -} - -#define AND(cycles, read_func) \ -{ \ - read_func(data); \ - A &= data; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -/* undocumented */ -#define ANE(cycles, read_func) \ -{ \ - read_func(data); \ - A = (A | 0xEE) & X & data; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -/* undocumented */ -#ifdef NES6502_DECIMAL -#define ARR(cycles, read_func) \ -{ \ - read_func(data); \ - data &= A; \ - if (P & D_FLAG) \ - { \ - temp = (data >> 1) | ((P & C_FLAG) << 7); \ - SET_NZ_FLAGS(temp); \ - TEST_AND_FLAG((temp ^ data) & 0x40, V_FLAG); \ - if (((data & 0x0F) + (data & 0x01)) > 5) \ - temp = (temp & 0xF0) | ((temp + 0x6) & 0x0F); \ - if (((data & 0xF0) + (data & 0x10)) > 0x50) \ - { \ - temp = (temp & 0x0F) | ((temp + 0x60) & 0xF0); \ - SET_FLAG(C_FLAG); \ - } \ - else \ - CLEAR_FLAG(C_FLAG); \ - A = (uint8) temp; \ - } \ - else \ - { \ - A = (data >> 1) | ((P & C_FLAG) << 7); \ - SET_NZ_FLAGS(A); \ - TEST_AND_FLAG(A & 0x40, C_FLAG); \ - TEST_AND_FLAG(((A >> 6) ^ (A >> 5)) & 1, V_FLAG); \ - }\ - ADD_CYCLES(cycles); \ -} -#else -#define ARR(cycles, read_func) \ -{ \ - read_func(data); \ - data &= A; \ - A = (data >> 1) | ((P & C_FLAG) << 7); \ - SET_NZ_FLAGS(A); \ - TEST_AND_FLAG(A & 0x40, C_FLAG); \ - TEST_AND_FLAG((A >> 6) ^ (A >> 5), V_FLAG); \ - ADD_CYCLES(cycles); \ -} -#endif /* NES6502_DECIMAL */ - -#define ASL(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - TEST_AND_FLAG(data & 0x80, C_FLAG); \ - data <<= 1; \ - write_func(addr, data); \ - SET_NZ_FLAGS(data); \ - ADD_CYCLES(cycles); \ -} - -#define ASL_A() \ -{ \ - TEST_AND_FLAG(A & 0x80, C_FLAG); \ - A <<= 1; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(2); \ -} - -/* undocumented */ -#define ASR(cycles, read_func) \ -{ \ - read_func(data); \ - data &= A; \ - TEST_AND_FLAG(data & 0x01, C_FLAG); \ - A = data >> 1; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -#define BCC() \ -{ \ - RELATIVE_JUMP((IS_FLAG_CLEAR(C_FLAG))); \ -} - -#define BCS() \ -{ \ - RELATIVE_JUMP((IS_FLAG_SET(C_FLAG))); \ -} - -#define BEQ() \ -{ \ - RELATIVE_JUMP((IS_FLAG_SET(Z_FLAG))); \ -} - -#define BIT(cycles, read_func) \ -{ \ - read_func(data); \ - TEST_AND_FLAG(0 == (data & A), Z_FLAG);\ - CLEAR_FLAG(N_FLAG | V_FLAG); \ - /* move bit 7/6 of data into N/V flags */ \ - SET_FLAG(data & (N_FLAG | V_FLAG)); \ - ADD_CYCLES(cycles); \ -} - -#define BMI() \ -{ \ - RELATIVE_JUMP((IS_FLAG_SET(N_FLAG))); \ -} - -#define BNE() \ -{ \ - RELATIVE_JUMP((IS_FLAG_CLEAR(Z_FLAG))); \ -} - -#define BPL() \ -{ \ - RELATIVE_JUMP((IS_FLAG_CLEAR(N_FLAG))); \ -} - -/* Software interrupt type thang */ -#define BRK() \ -{ \ - PC++; \ - PUSH(PC >> 8); \ - PUSH(PC & 0xFF); \ - SET_FLAG(B_FLAG); \ - PUSH(P); \ - SET_FLAG(I_FLAG); \ - JUMP(IRQ_VECTOR); \ - ADD_CYCLES(7); \ -} - -#define BVC() \ -{ \ - RELATIVE_JUMP((IS_FLAG_CLEAR(V_FLAG))); \ -} - -#define BVS() \ -{ \ - RELATIVE_JUMP((IS_FLAG_SET(V_FLAG))); \ -} - -#define CLC() \ -{ \ - CLEAR_FLAG(C_FLAG); \ - ADD_CYCLES(2); \ -} - -#define CLD() \ -{ \ - CLEAR_FLAG(D_FLAG); \ - ADD_CYCLES(2); \ -} - -#define CLI() \ -{ \ - CLEAR_FLAG(I_FLAG); \ - ADD_CYCLES(2); \ -} - -#define CLV() \ -{ \ - CLEAR_FLAG(V_FLAG); \ - ADD_CYCLES(2); \ -} - -/* TODO: ick! */ -#define _COMPARE(reg, value) \ -{ \ - temp = (reg) - (value); \ - /* C is clear when data > A */ \ - TEST_AND_FLAG(0 == (temp & 0x8000), C_FLAG); \ - SET_NZ_FLAGS((uint8) temp); /* handles Z flag */ \ -} - -#define CMP(cycles, read_func) \ -{ \ - read_func(data); \ - _COMPARE(A, data); \ - ADD_CYCLES(cycles); \ -} - -#define CPX(cycles, read_func) \ -{ \ - read_func(data); \ - _COMPARE(X, data); \ - ADD_CYCLES(cycles); \ -} - -#define CPY(cycles, read_func) \ -{ \ - read_func(data); \ - _COMPARE(Y, data); \ - ADD_CYCLES(cycles); \ -} - -/* undocumented */ -#define DCP(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - data--; \ - write_func(addr, data); \ - CMP(cycles, NO_READ); \ -} - -#define DEC(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - data--; \ - write_func(addr, data); \ - SET_NZ_FLAGS(data); \ - ADD_CYCLES(cycles); \ -} - -#define DEX() \ -{ \ - X--; \ - SET_NZ_FLAGS(X); \ - ADD_CYCLES(2); \ -} - -#define DEY() \ -{ \ - Y--; \ - SET_NZ_FLAGS(Y); \ - ADD_CYCLES(2); \ -} - -/* undocumented (double-NOP) */ -#define DOP(cycles) \ -{ \ - PC++; \ - ADD_CYCLES(cycles); \ -} - -#define EOR(cycles, read_func) \ -{ \ - read_func(data); \ - A ^= data; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -#define INC(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - data++; \ - write_func(addr, data); \ - SET_NZ_FLAGS(data); \ - ADD_CYCLES(cycles); \ -} - -#define INX() \ -{ \ - X++; \ - SET_NZ_FLAGS(X); \ - ADD_CYCLES(2); \ -} - -#define INY() \ -{ \ - Y++; \ - SET_NZ_FLAGS(Y); \ - ADD_CYCLES(2); \ -} - -/* undocumented */ -#define ISB(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - data++; \ - write_func(addr, data); \ - SBC(cycles, NO_READ); \ -} - -#ifdef NES6502_TESTOPS -#define JAM() \ -{ \ - cpu_Jam(); \ -} -#elif defined(NSF_PLAYER) -#define JAM() \ -{ \ -} -#else -#define JAM() \ -{ \ - char jambuf[20]; \ - sprintf(jambuf, "JAM: PC=$%04X", PC); \ - ASSERT_MSG(jambuf); \ - ADD_CYCLES(2); \ -} -#endif /* NES6502_TESTOPS */ - -#define JMP_INDIRECT() \ -{ \ - temp = bank_readaddress(PC); \ - /* bug in crossing page boundaries */ \ - if (0xFF == (uint8) temp) \ - PC = (bank_readbyte(temp & ~0xFF) << 8) | bank_readbyte(temp); \ - else \ - JUMP(temp); \ - ADD_CYCLES(5); \ -} - -#define JMP_ABSOLUTE() \ -{ \ - JUMP(PC); \ - ADD_CYCLES(3); \ -} - -#define JSR() \ -{ \ - PC++; \ - PUSH(PC >> 8); \ - PUSH(PC & 0xFF); \ - JUMP(PC - 1); \ - ADD_CYCLES(6); \ -} - -/* undocumented */ -#define LAS(cycles, read_func) \ -{ \ - read_func(data); \ - A = X = S = (S & data); \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -/* undocumented */ -#define LAX(cycles, read_func) \ -{ \ - read_func(A); \ - X = A; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -#define LDA(cycles, read_func) \ -{ \ - read_func(A); \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -#define LDX(cycles, read_func) \ -{ \ - read_func(X); \ - SET_NZ_FLAGS(X);\ - ADD_CYCLES(cycles); \ -} - -#define LDY(cycles, read_func) \ -{ \ - read_func(Y); \ - SET_NZ_FLAGS(Y);\ - ADD_CYCLES(cycles); \ -} - -#define LSR(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - TEST_AND_FLAG(data & 0x01, C_FLAG); \ - data >>= 1; \ - write_func(addr, data); \ - SET_NZ_FLAGS(data); \ - ADD_CYCLES(cycles); \ -} - -#define LSR_A() \ -{ \ - TEST_AND_FLAG(A & 0x01, C_FLAG); \ - A >>= 1; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(2); \ -} - -/* undocumented */ -#define LXA(cycles, read_func) \ -{ \ - read_func(data); \ - A = X = ((A | 0xEE) & data); \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -#define NOP() \ -{ \ - ADD_CYCLES(2); \ -} - -#define ORA(cycles, read_func) \ -{ \ - read_func(data); \ - A |= data; \ - SET_NZ_FLAGS(A);\ - ADD_CYCLES(cycles); \ -} - -#define PHA() \ -{ \ - PUSH(A); \ - ADD_CYCLES(3); \ -} - -#define PHP() \ -{ \ - /* B flag is pushed on stack as well */ \ - PUSH((P | B_FLAG)); \ - ADD_CYCLES(3); \ -} - -#define PLA() \ -{ \ - A = PULL(); \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(4); \ -} - -#define PLP() \ -{ \ - P = PULL(); \ - SET_FLAG(R_FLAG); /* ensure reserved flag is set */ \ - ADD_CYCLES(4); \ -} - -/* undocumented */ -#define RLA(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - if (P & C_FLAG) \ - { \ - TEST_AND_FLAG(data & 0x80, C_FLAG); \ - data = (data << 1) | 1; \ - } \ - else \ - { \ - TEST_AND_FLAG(data & 0x80, C_FLAG); \ - data <<= 1; \ - } \ - write_func(addr, data); \ - A &= data; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -/* 9-bit rotation (carry flag used for rollover) */ -#define ROL(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - if (P & C_FLAG) \ - { \ - TEST_AND_FLAG(data & 0x80, C_FLAG); \ - data = (data << 1) | 1; \ - } \ - else \ - { \ - TEST_AND_FLAG(data & 0x80, C_FLAG); \ - data <<= 1; \ - } \ - write_func(addr, data); \ - SET_NZ_FLAGS(data); \ - ADD_CYCLES(cycles); \ -} - -#define ROL_A() \ -{ \ - if (P & C_FLAG) \ - { \ - TEST_AND_FLAG(A & 0x80, C_FLAG); \ - A = (A << 1) | 1; \ - } \ - else \ - { \ - TEST_AND_FLAG(A & 0x80, C_FLAG); \ - A <<= 1; \ - } \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(2); \ -} - -#define ROR(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - if (P & C_FLAG) \ - { \ - TEST_AND_FLAG(data & 1, C_FLAG); \ - data = (data >> 1) | 0x80; \ - } \ - else \ - { \ - TEST_AND_FLAG(data & 1, C_FLAG); \ - data >>= 1; \ - } \ - write_func(addr, data); \ - SET_NZ_FLAGS(data); \ - ADD_CYCLES(cycles); \ -} - -#define ROR_A() \ -{ \ - if (P & C_FLAG) \ - { \ - TEST_AND_FLAG(A & 1, C_FLAG); \ - A = (A >> 1) | 0x80; \ - } \ - else \ - { \ - TEST_AND_FLAG(A & 1, C_FLAG); \ - A >>= 1; \ - } \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(2); \ -} - -/* undocumented */ -#define RRA(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - if (P & C_FLAG) \ - { \ - TEST_AND_FLAG(data & 1, C_FLAG); \ - data = (data >> 1) | 0x80; \ - } \ - else \ - { \ - TEST_AND_FLAG(data & 1, C_FLAG); \ - data >>= 1; \ - } \ - write_func(addr, data); \ - ADC(cycles, NO_READ); \ -} - -#define RTI() \ -{ \ - P = PULL(); \ - SET_FLAG(R_FLAG); /* ensure reserved flag is set */ \ - PC = PULL(); \ - PC |= PULL() << 8; \ - ADD_CYCLES(6); \ -} - -#define RTS() \ -{ \ - PC = PULL(); \ - PC = (PC | (PULL() << 8)) + 1; \ - ADD_CYCLES(6); \ -} - -/* undocumented */ -#define SAX(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr); \ - data = A & X; \ - write_func(addr, data); \ - ADD_CYCLES(cycles); \ -} - -/* Warning! NES CPU has no decimal mode, so by default this does no BCD! */ -#ifdef NES6502_DECIMAL -#define SBC(cycles, read_func) \ -{ \ - read_func(data); \ - /* NOT(C) is considered borrow */ \ - temp = A - data - ((P & C_FLAG) ^ C_FLAG); \ - if (P & D_FLAG) \ - { \ - uint8 al, ah; \ - al = (A & 0x0F) - (data & 0x0F) - ((P & C_FLAG) ^ C_FLAG); \ - ah = (A >> 4) - (data >> 4); \ - if (al & 0x10) \ - { \ - al -= 6; \ - ah--; \ - } \ - if (ah & 0x10) \ - ah -= 6; \ - TEST_AND_FLAG(temp < 0x100, C_FLAG); \ - TEST_AND_FLAG(((A ^ temp) & 0x80) && ((A ^ data) & 0x80), V_FLAG); \ - SET_NZ_FLAGS(temp & 0xFF); \ - A = (ah << 4) | (al & 0x0F); \ - } \ - else \ - { \ - TEST_AND_FLAG(((A ^ temp) & 0x80) && ((A ^ data) & 0x80), V_FLAG); \ - TEST_AND_FLAG(temp < 0x100, C_FLAG); \ - A = (uint8) temp; \ - SET_NZ_FLAGS(A & 0xFF); \ - } \ - ADD_CYCLES(cycles); \ -} -#else -#define SBC(cycles, read_func) \ -{ \ - read_func(data); \ - temp = A - data - ((P & C_FLAG) ^ C_FLAG); \ - TEST_AND_FLAG(((A ^ data) & (A ^ temp) & 0x80), V_FLAG); \ - TEST_AND_FLAG(temp < 0x100, C_FLAG); \ - A = (uint8) temp; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} -#endif /* NES6502_DECIMAL */ - -/* undocumented */ -#define SBX(cycles, read_func) \ -{ \ - read_func(data); \ - temp = (A & X) - data; \ - TEST_AND_FLAG(temp < 0x100, C_FLAG); \ - X = temp & 0xFF; \ - SET_NZ_FLAGS(X); \ - ADD_CYCLES(cycles); \ -} - -#define SEC() \ -{ \ - SET_FLAG(C_FLAG); \ - ADD_CYCLES(2); \ -} - -#define SED() \ -{ \ - SET_FLAG(D_FLAG); \ - ADD_CYCLES(2); \ -} - -#define SEI() \ -{ \ - SET_FLAG(I_FLAG); \ - ADD_CYCLES(2); \ -} - -/* undocumented */ -#define SHA(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr); \ - data = A & X & ((uint8) ((addr >> 8) + 1)); \ - write_func(addr, data); \ - ADD_CYCLES(cycles); \ -} - -/* undocumented */ -#define SHS(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr); \ - S = A & X; \ - data = S & ((uint8) ((addr >> 8) + 1)); \ - write_func(addr, data); \ - ADD_CYCLES(cycles); \ -} - -/* undocumented */ -#define SHX(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr); \ - data = X & ((uint8) ((addr >> 8) + 1)); \ - write_func(addr, data); \ - ADD_CYCLES(cycles); \ -} - -/* undocumented */ -#define SHY(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr); \ - data = Y & ((uint8) ((addr >> 8 ) + 1)); \ - write_func(addr, data); \ - ADD_CYCLES(cycles); \ -} - -/* undocumented */ -#define SLO(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - TEST_AND_FLAG(data & 0x80, C_FLAG); \ - data <<= 1; \ - write_func(addr, data); \ - A |= data; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -/* unoffical */ -#define SRE(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr, data); \ - TEST_AND_FLAG(data & 1, C_FLAG); \ - data >>= 1; \ - write_func(addr, data); \ - A ^= data; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(cycles); \ -} - -#define STA(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr); \ - write_func(addr, A); \ - ADD_CYCLES(cycles); \ -} - -#define STX(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr); \ - write_func(addr, X); \ - ADD_CYCLES(cycles); \ -} - -#define STY(cycles, read_func, write_func, addr) \ -{ \ - read_func(addr); \ - write_func(addr, Y); \ - ADD_CYCLES(cycles); \ -} - -#define TAX() \ -{ \ - X = A; \ - SET_NZ_FLAGS(X);\ - ADD_CYCLES(2); \ -} - -#define TAY() \ -{ \ - Y = A; \ - SET_NZ_FLAGS(Y);\ - ADD_CYCLES(2); \ -} - -/* undocumented (triple-NOP) */ -#define TOP() \ -{ \ - PC += 2; \ - ADD_CYCLES(4); \ -} - -#define TSX() \ -{ \ - X = S; \ - SET_NZ_FLAGS(X);\ - ADD_CYCLES(2); \ -} - -#define TXA() \ -{ \ - A = X; \ - SET_NZ_FLAGS(A);\ - ADD_CYCLES(2); \ -} - -#define TXS() \ -{ \ - S = X; \ - ADD_CYCLES(2); \ -} - -#define TYA() \ -{ \ - A = Y; \ - SET_NZ_FLAGS(A); \ - ADD_CYCLES(2); \ -} - - -/* -** Stack and data fetching macros -*/ - -/* Set/clear/test bits in the flags register */ -#define SET_FLAG(mask) P |= (mask) -#define CLEAR_FLAG(mask) P &= ~(mask) -#define IS_FLAG_SET(mask) (P & (mask)) -#define IS_FLAG_CLEAR(mask) (0 == IS_FLAG_SET((mask))) - -#define TEST_AND_FLAG(test, mask) \ -{ \ - if ((test)) \ - SET_FLAG((mask)); \ - else \ - CLEAR_FLAG((mask)); \ -} - - -/* -** flag register helper macros -*/ - -/* register push/pull */ -#define PUSH(value) stack_page[S--] = (uint8) (value) -#define PULL() stack_page[++S] - -/* Sets the Z and N flags based on given data, taken from precomputed table */ -#define SET_NZ_FLAGS(value) P &= ~(N_FLAG | Z_FLAG); \ - P |= flag_table[(value)] - -#define GET_GLOBAL_REGS() \ -{ \ - PC = reg_PC; \ - A = reg_A; \ - X = reg_X; \ - Y = reg_Y; \ - P = reg_P; \ - S = reg_S; \ -} - -#define SET_LOCAL_REGS() \ -{ \ - reg_PC = PC; \ - reg_A = A; \ - reg_X = X; \ - reg_Y = Y; \ - reg_P = P; \ - reg_S = S; \ -} - - -/* static data */ -static nes6502_memread *pmem_read, *pmr; -static nes6502_memwrite *pmem_write, *pmw; - -/* lookup table for N/Z flags */ -static uint8 flag_table[256]; - -/* internal critical CPU vars */ -static uint32 reg_PC; -static uint8 reg_A, reg_P, reg_X, reg_Y, reg_S; -static uint8 int_pending; -static int dma_cycles; - -/* execution cycle count (can be reset by user) */ -static uint32 total_cycles = 0; - -/* memory region pointers */ -static uint8 *nes6502_banks[NES6502_NUMBANKS]; -static uint8 *ram = NULL; -static uint8 *stack_page = NULL; - - -/* -** Zero-page helper macros -*/ - -#define ZP_READ(addr) ram[(addr)] -#define ZP_WRITE(addr, value) ram[(addr)] = (uint8) (value) - - -INLINE uint8 bank_readbyte(register uint32 address) -{ - ASSERT(nes6502_banks[address >> NES6502_BANKSHIFT]); - return nes6502_banks[address >> NES6502_BANKSHIFT][address & NES6502_BANKMASK]; -} - -INLINE void bank_writebyte(register uint32 address, register uint8 value) -{ - ASSERT(nes6502_banks[address >> NES6502_BANKSHIFT]); - nes6502_banks[address >> NES6502_BANKSHIFT][address & NES6502_BANKMASK] = value; -} - -INLINE uint32 zp_address(register uint8 address) -{ - uint8 *x = ram + address; - return (x[1] << 8) | x[0]; -} - -INLINE uint32 bank_readaddress(register uint32 address) -{ - uint8 *x = nes6502_banks[address >> NES6502_BANKSHIFT] + (address & NES6502_BANKMASK); - return (x[1] << 8) | x[0]; -} - -/* read a byte of 6502 memory */ -static uint8 mem_read(uint32 address) -{ - /* TODO: following cases are N2A03-specific */ - /* RAM */ - if (address < 0x800) - return ram[address]; - /* always paged memory */ -// else if (address >= 0x6000) - else if (address >= 0x8000) - return bank_readbyte(address); - /* check memory range handlers */ - else - { - for (pmr = pmem_read; pmr->min_range != 0xFFFFFFFF; pmr++) - { - if ((address >= pmr->min_range) && (address <= pmr->max_range)) - return pmr->read_func(address); - } - } - - /* return paged memory */ - return bank_readbyte(address); -} - -/* write a byte of data to 6502 memory */ -static void mem_write(uint32 address, uint8 value) -{ - /* RAM */ - if (address < 0x800) - { - ram[address] = value; - return; - } - /* check memory range handlers */ - else - { - for (pmw = pmem_write; pmw->min_range != 0xFFFFFFFF; pmw++) - { - if ((address >= pmw->min_range) && (address <= pmw->max_range)) - { - pmw->write_func(address, value); - return; - } - } - } - - /* write to paged memory */ - bank_writebyte(address, value); -} - -/* set the current context */ -void nes6502_setcontext(nes6502_context *cpu) -{ - int loop; - - ASSERT(cpu); - - /* Set the page pointers */ - for (loop = 0; loop < NES6502_NUMBANKS; loop++) - nes6502_banks[loop] = cpu->mem_page[loop]; - - ram = nes6502_banks[0]; /* quicker zero-page/RAM references */ - stack_page = ram + STACK_OFFSET; - - pmem_read = cpu->read_handler; - pmem_write = cpu->write_handler; - - reg_PC = cpu->pc_reg; - reg_A = cpu->a_reg; - reg_P = cpu->p_reg; - reg_X = cpu->x_reg; - reg_Y = cpu->y_reg; - reg_S = cpu->s_reg; - int_pending = cpu->int_pending; - dma_cycles = cpu->dma_cycles; -} - -/* get the current context */ -void nes6502_getcontext(nes6502_context *cpu) -{ - int loop; - - /* Set the page pointers */ - for (loop = 0; loop < NES6502_NUMBANKS; loop++) - cpu->mem_page[loop] = nes6502_banks[loop]; - - cpu->read_handler = pmem_read; - cpu->write_handler = pmem_write; - - cpu->pc_reg = reg_PC; - cpu->a_reg = reg_A; - cpu->p_reg = reg_P; - cpu->x_reg = reg_X; - cpu->y_reg = reg_Y; - cpu->s_reg = reg_S; - cpu->int_pending = int_pending; - cpu->dma_cycles = dma_cycles; -} - -/* DMA a byte of data from ROM */ -uint8 nes6502_getbyte(uint32 address) -{ - return bank_readbyte(address); -} - -/* get number of elapsed cycles */ -uint32 nes6502_getcycles(boolean reset_flag) -{ - uint32 cycles = total_cycles; - - if (reset_flag) - total_cycles = 0; - - return cycles; -} - - -/* Execute instructions until count expires -** -** Returns the number of cycles *actually* executed -** (note that this can be from 0-6 cycles more than you wanted) -*/ -int nes6502_execute(int remaining_cycles) -{ - int instruction_cycles, old_cycles = total_cycles; - uint32 temp, addr; /* for macros */ - uint32 PC; - uint8 A, X, Y, P, S; - uint8 opcode, data; - uint8 btemp, baddr; /* for macros */ - - GET_GLOBAL_REGS(); - - /* Continue until we run out of cycles */ - while (remaining_cycles > 0) - { - instruction_cycles = 0; - - /* check for DMA cycle burning */ - if (dma_cycles) - { - if (remaining_cycles <= dma_cycles) - { - dma_cycles -= remaining_cycles; - total_cycles += remaining_cycles; - goto _execute_done; - } - else - { - remaining_cycles -= dma_cycles; - total_cycles += dma_cycles; - dma_cycles = 0; - } - } - - if (int_pending) - { - /* NMI has highest priority */ - if (int_pending & NMI_MASK) - { - NMI(); - } - /* IRQ has lowest priority */ - else /* if (int_pending & IRQ_MASK) */ - { - if (IS_FLAG_CLEAR(I_FLAG)) - IRQ(); - } - } - - /* Fetch instruction */ - //nes6502_disasm(PC, P, A, X, Y, S); - - opcode = bank_readbyte(PC++); - - /* Execute instruction */ - switch (opcode) - { - case 0x00: /* BRK */ - BRK(); - break; - - case 0x01: /* ORA ($nn,X) */ - ORA(6, INDIR_X_BYTE); - break; - - /* JAM */ - case 0x02: /* JAM */ - case 0x12: /* JAM */ - case 0x22: /* JAM */ - case 0x32: /* JAM */ - case 0x42: /* JAM */ - case 0x52: /* JAM */ - case 0x62: /* JAM */ - case 0x72: /* JAM */ - case 0x92: /* JAM */ - case 0xB2: /* JAM */ - case 0xD2: /* JAM */ - case 0xF2: /* JAM */ - JAM(); - /* kill switch for CPU emulation */ - goto _execute_done; - - case 0x03: /* SLO ($nn,X) */ - SLO(8, INDIR_X, mem_write, addr); - break; - - case 0x04: /* NOP $nn */ - case 0x44: /* NOP $nn */ - case 0x64: /* NOP $nn */ - DOP(3); - break; - - case 0x05: /* ORA $nn */ - ORA(3, ZERO_PAGE_BYTE); - break; - - case 0x06: /* ASL $nn */ - ASL(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0x07: /* SLO $nn */ - SLO(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0x08: /* PHP */ - PHP(); - break; - - case 0x09: /* ORA #$nn */ - ORA(2, IMMEDIATE_BYTE); - break; - - case 0x0A: /* ASL A */ - ASL_A(); - break; - - case 0x0B: /* ANC #$nn */ - ANC(2, IMMEDIATE_BYTE); - break; - - case 0x0C: /* NOP $nnnn */ - TOP(); - break; - - case 0x0D: /* ORA $nnnn */ - ORA(4, ABSOLUTE_BYTE); - break; - - case 0x0E: /* ASL $nnnn */ - ASL(6, ABSOLUTE, mem_write, addr); - break; - - case 0x0F: /* SLO $nnnn */ - SLO(6, ABSOLUTE, mem_write, addr); - break; - - case 0x10: /* BPL $nnnn */ - BPL(); - break; - - case 0x11: /* ORA ($nn),Y */ - ORA(5, INDIR_Y_BYTE); - break; - - case 0x13: /* SLO ($nn),Y */ - SLO(8, INDIR_Y, mem_write, addr); - break; - - case 0x14: /* NOP $nn,X */ - case 0x34: /* NOP */ - case 0x54: /* NOP $nn,X */ - case 0x74: /* NOP $nn,X */ - case 0xD4: /* NOP $nn,X */ - case 0xF4: /* NOP ($nn,X) */ - DOP(4); - break; - - case 0x15: /* ORA $nn,X */ - ORA(4, ZP_IND_X_BYTE); - break; - - case 0x16: /* ASL $nn,X */ - ASL(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0x17: /* SLO $nn,X */ - SLO(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0x18: /* CLC */ - CLC(); - break; - - case 0x19: /* ORA $nnnn,Y */ - ORA(4, ABS_IND_Y_BYTE); - break; - - case 0x1A: /* NOP */ - case 0x3A: /* NOP */ - case 0x5A: /* NOP */ - case 0x7A: /* NOP */ - case 0xDA: /* NOP */ - case 0xFA: /* NOP */ - NOP(); - break; - - case 0x1B: /* SLO $nnnn,Y */ - SLO(7, ABS_IND_Y, mem_write, addr); - break; - - case 0x1C: /* NOP $nnnn,X */ - case 0x3C: /* NOP $nnnn,X */ - case 0x5C: /* NOP $nnnn,X */ - case 0x7C: /* NOP $nnnn,X */ - case 0xDC: /* NOP $nnnn,X */ - case 0xFC: /* NOP $nnnn,X */ - TOP(); - break; - - case 0x1D: /* ORA $nnnn,X */ - ORA(4, ABS_IND_X_BYTE); - break; - - case 0x1E: /* ASL $nnnn,X */ - ASL(7, ABS_IND_X, mem_write, addr); - break; - - case 0x1F: /* SLO $nnnn,X */ - SLO(7, ABS_IND_X, mem_write, addr); - break; - - case 0x20: /* JSR $nnnn */ - JSR(); - break; - - case 0x21: /* AND ($nn,X) */ - AND(6, INDIR_X_BYTE); - break; - - case 0x23: /* RLA ($nn,X) */ - RLA(8, INDIR_X, mem_write, addr); - break; - - case 0x24: /* BIT $nn */ - BIT(3, ZERO_PAGE_BYTE); - break; - - case 0x25: /* AND $nn */ - AND(3, ZERO_PAGE_BYTE); - break; - - case 0x26: /* ROL $nn */ - ROL(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0x27: /* RLA $nn */ - RLA(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0x28: /* PLP */ - PLP(); - break; - - case 0x29: /* AND #$nn */ - AND(2, IMMEDIATE_BYTE); - break; - - case 0x2A: /* ROL A */ - ROL_A(); - break; - - case 0x2B: /* ANC #$nn */ - ANC(2, IMMEDIATE_BYTE); - break; - - case 0x2C: /* BIT $nnnn */ - BIT(4, ABSOLUTE_BYTE); - break; - - case 0x2D: /* AND $nnnn */ - AND(4, ABSOLUTE_BYTE); - break; - - case 0x2E: /* ROL $nnnn */ - ROL(6, ABSOLUTE, mem_write, addr); - break; - - case 0x2F: /* RLA $nnnn */ - RLA(6, ABSOLUTE, mem_write, addr); - break; - - case 0x30: /* BMI $nnnn */ - BMI(); - break; - - case 0x31: /* AND ($nn),Y */ - AND(5, INDIR_Y_BYTE); - break; - - case 0x33: /* RLA ($nn),Y */ - RLA(8, INDIR_Y, mem_write, addr); - break; - - case 0x35: /* AND $nn,X */ - AND(4, ZP_IND_X_BYTE); - break; - - case 0x36: /* ROL $nn,X */ - ROL(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0x37: /* RLA $nn,X */ - RLA(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0x38: /* SEC */ - SEC(); - break; - - case 0x39: /* AND $nnnn,Y */ - AND(4, ABS_IND_Y_BYTE); - break; - - case 0x3B: /* RLA $nnnn,Y */ - RLA(7, ABS_IND_Y, mem_write, addr); - break; - - case 0x3D: /* AND $nnnn,X */ - AND(4, ABS_IND_X_BYTE); - break; - - case 0x3E: /* ROL $nnnn,X */ - ROL(7, ABS_IND_X, mem_write, addr); - break; - - case 0x3F: /* RLA $nnnn,X */ - RLA(7, ABS_IND_X, mem_write, addr); - break; - - case 0x40: /* RTI */ - RTI(); - break; - - case 0x41: /* EOR ($nn,X) */ - EOR(6, INDIR_X_BYTE); - break; - - case 0x43: /* SRE ($nn,X) */ - SRE(8, INDIR_X, mem_write, addr); - break; - - case 0x45: /* EOR $nn */ - EOR(3, ZERO_PAGE_BYTE); - break; - - case 0x46: /* LSR $nn */ - LSR(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0x47: /* SRE $nn */ - SRE(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0x48: /* PHA */ - PHA(); - break; - - case 0x49: /* EOR #$nn */ - EOR(2, IMMEDIATE_BYTE); - break; - - case 0x4A: /* LSR A */ - LSR_A(); - break; - - case 0x4B: /* ASR #$nn */ - ASR(2, IMMEDIATE_BYTE); - break; - - case 0x4C: /* JMP $nnnn */ - JMP_ABSOLUTE(); - break; - - case 0x4D: /* EOR $nnnn */ - EOR(4, ABSOLUTE_BYTE); - break; - - case 0x4E: /* LSR $nnnn */ - LSR(6, ABSOLUTE, mem_write, addr); - break; - - case 0x4F: /* SRE $nnnn */ - SRE(6, ABSOLUTE, mem_write, addr); - break; - - case 0x50: /* BVC $nnnn */ - BVC(); - break; - - case 0x51: /* EOR ($nn),Y */ - EOR(5, INDIR_Y_BYTE); - break; - - case 0x53: /* SRE ($nn),Y */ - SRE(8, INDIR_Y, mem_write, addr); - break; - - case 0x55: /* EOR $nn,X */ - EOR(4, ZP_IND_X_BYTE); - break; - - case 0x56: /* LSR $nn,X */ - LSR(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0x57: /* SRE $nn,X */ - SRE(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0x58: /* CLI */ - CLI(); - break; - - case 0x59: /* EOR $nnnn,Y */ - EOR(4, ABS_IND_Y_BYTE); - break; - - case 0x5B: /* SRE $nnnn,Y */ - SRE(7, ABS_IND_Y, mem_write, addr); - break; - - case 0x5D: /* EOR $nnnn,X */ - EOR(4, ABS_IND_X_BYTE); - break; - - case 0x5E: /* LSR $nnnn,X */ - LSR(7, ABS_IND_X, mem_write, addr); - break; - - case 0x5F: /* SRE $nnnn,X */ - SRE(7, ABS_IND_X, mem_write, addr); - break; - - case 0x60: /* RTS */ - RTS(); - break; - - case 0x61: /* ADC ($nn,X) */ - ADC(6, INDIR_X_BYTE); - break; - - case 0x63: /* RRA ($nn,X) */ - RRA(8, INDIR_X, mem_write, addr); - break; - - case 0x65: /* ADC $nn */ - ADC(3, ZERO_PAGE_BYTE); - break; - - case 0x66: /* ROR $nn */ - ROR(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0x67: /* RRA $nn */ - RRA(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0x68: /* PLA */ - PLA(); - break; - - case 0x69: /* ADC #$nn */ - ADC(2, IMMEDIATE_BYTE); - break; - - case 0x6A: /* ROR A */ - ROR_A(); - break; - - case 0x6B: /* ARR #$nn */ - ARR(2, IMMEDIATE_BYTE); - break; - - case 0x6C: /* JMP ($nnnn) */ - JMP_INDIRECT(); - break; - - case 0x6D: /* ADC $nnnn */ - ADC(4, ABSOLUTE_BYTE); - break; - - case 0x6E: /* ROR $nnnn */ - ROR(6, ABSOLUTE, mem_write, addr); - break; - - case 0x6F: /* RRA $nnnn */ - RRA(6, ABSOLUTE, mem_write, addr); - break; - - case 0x70: /* BVS $nnnn */ - BVS(); - break; - - case 0x71: /* ADC ($nn),Y */ - ADC(5, INDIR_Y_BYTE); - break; - - case 0x73: /* RRA ($nn),Y */ - RRA(8, INDIR_Y, mem_write, addr); - break; - - case 0x75: /* ADC $nn,X */ - ADC(4, ZP_IND_X_BYTE); - break; - - case 0x76: /* ROR $nn,X */ - ROR(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0x77: /* RRA $nn,X */ - RRA(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0x78: /* SEI */ - SEI(); - break; - - case 0x79: /* ADC $nnnn,Y */ - ADC(4, ABS_IND_Y_BYTE); - break; - - case 0x7B: /* RRA $nnnn,Y */ - RRA(7, ABS_IND_Y, mem_write, addr); - break; - - case 0x7D: /* ADC $nnnn,X */ - ADC(4, ABS_IND_X_BYTE); - break; - - case 0x7E: /* ROR $nnnn,X */ - ROR(7, ABS_IND_X, mem_write, addr); - break; - - case 0x7F: /* RRA $nnnn,X */ - RRA(7, ABS_IND_X, mem_write, addr); - break; - - case 0x80: /* NOP #$nn */ - case 0x82: /* NOP #$nn */ - case 0x89: /* NOP #$nn */ - case 0xC2: /* NOP #$nn */ - case 0xE2: /* NOP #$nn */ - DOP(2); - break; - - case 0x81: /* STA ($nn,X) */ - STA(6, INDIR_X_ADDR, mem_write, addr); - break; - - case 0x83: /* SAX ($nn,X) */ - SAX(6, INDIR_X_ADDR, mem_write, addr); - break; - - case 0x84: /* STY $nn */ - STY(3, ZERO_PAGE_ADDR, ZP_WRITE, baddr); - break; - - case 0x85: /* STA $nn */ - STA(3, ZERO_PAGE_ADDR, ZP_WRITE, baddr); - break; - - case 0x86: /* STX $nn */ - STX(3, ZERO_PAGE_ADDR, ZP_WRITE, baddr); - break; - - case 0x87: /* SAX $nn */ - SAX(3, ZERO_PAGE_ADDR, ZP_WRITE, baddr); - break; - - case 0x88: /* DEY */ - DEY(); - break; - - case 0x8A: /* TXA */ - TXA(); - break; - - case 0x8B: /* ANE #$nn */ - ANE(2, IMMEDIATE_BYTE); - break; - - case 0x8C: /* STY $nnnn */ - STY(4, ABSOLUTE_ADDR, mem_write, addr); - break; - - case 0x8D: /* STA $nnnn */ - STA(4, ABSOLUTE_ADDR, mem_write, addr); - break; - - case 0x8E: /* STX $nnnn */ - STX(4, ABSOLUTE_ADDR, mem_write, addr); - break; - - case 0x8F: /* SAX $nnnn */ - SAX(4, ABSOLUTE_ADDR, mem_write, addr); - break; - - case 0x90: /* BCC $nnnn */ - BCC(); - break; - - case 0x91: /* STA ($nn),Y */ - STA(6, INDIR_Y_ADDR, mem_write, addr); - break; - - case 0x93: /* SHA ($nn),Y */ - SHA(6, INDIR_Y_ADDR, mem_write, addr); - break; - - case 0x94: /* STY $nn,X */ - STY(4, ZP_IND_X_ADDR, ZP_WRITE, baddr); - break; - - case 0x95: /* STA $nn,X */ - STA(4, ZP_IND_X_ADDR, ZP_WRITE, baddr); - break; - - case 0x96: /* STX $nn,Y */ - STX(4, ZP_IND_Y_ADDR, ZP_WRITE, baddr); - break; - - case 0x97: /* SAX $nn,Y */ - SAX(4, ZP_IND_Y_ADDR, ZP_WRITE, baddr); - break; - - case 0x98: /* TYA */ - TYA(); - break; - - case 0x99: /* STA $nnnn,Y */ - STA(5, ABS_IND_Y_ADDR, mem_write, addr); - break; - - case 0x9A: /* TXS */ - TXS(); - break; - - case 0x9B: /* SHS $nnnn,Y */ - SHS(5, ABS_IND_Y_ADDR, mem_write, addr); - break; - - case 0x9C: /* SHY $nnnn,X */ - SHY(5, ABS_IND_X_ADDR, mem_write, addr); - break; - - case 0x9D: /* STA $nnnn,X */ - STA(5, ABS_IND_X_ADDR, mem_write, addr); - break; - - case 0x9E: /* SHX $nnnn,Y */ - SHX(5, ABS_IND_Y_ADDR, mem_write, addr); - break; - - case 0x9F: /* SHA $nnnn,Y */ - SHA(5, ABS_IND_Y_ADDR, mem_write, addr); - break; - - case 0xA0: /* LDY #$nn */ - LDY(2, IMMEDIATE_BYTE); - break; - - case 0xA1: /* LDA ($nn,X) */ - LDA(6, INDIR_X_BYTE); - break; - - case 0xA2: /* LDX #$nn */ - LDX(2, IMMEDIATE_BYTE); - break; - - case 0xA3: /* LAX ($nn,X) */ - LAX(6, INDIR_X_BYTE); - break; - - case 0xA4: /* LDY $nn */ - LDY(3, ZERO_PAGE_BYTE); - break; - - case 0xA5: /* LDA $nn */ - LDA(3, ZERO_PAGE_BYTE); - break; - - case 0xA6: /* LDX $nn */ - LDX(3, ZERO_PAGE_BYTE); - break; - - case 0xA7: /* LAX $nn */ - LAX(3, ZERO_PAGE_BYTE); - break; - - case 0xA8: /* TAY */ - TAY(); - break; - - case 0xA9: /* LDA #$nn */ - LDA(2, IMMEDIATE_BYTE); - break; - - case 0xAA: /* TAX */ - TAX(); - break; - - case 0xAB: /* LXA #$nn */ - LXA(2, IMMEDIATE_BYTE); - break; - - case 0xAC: /* LDY $nnnn */ - LDY(4, ABSOLUTE_BYTE); - break; - - case 0xAD: /* LDA $nnnn */ - LDA(4, ABSOLUTE_BYTE); - break; - - case 0xAE: /* LDX $nnnn */ - LDX(4, ABSOLUTE_BYTE); - break; - - case 0xAF: /* LAX $nnnn */ - LAX(4, ABSOLUTE_BYTE); - break; - - case 0xB0: /* BCS $nnnn */ - BCS(); - break; - - case 0xB1: /* LDA ($nn),Y */ - LDA(5, INDIR_Y_BYTE); - break; - - case 0xB3: /* LAX ($nn),Y */ - LAX(5, INDIR_Y_BYTE); - break; - - case 0xB4: /* LDY $nn,X */ - LDY(4, ZP_IND_X_BYTE); - break; - - case 0xB5: /* LDA $nn,X */ - LDA(4, ZP_IND_X_BYTE); - break; - - case 0xB6: /* LDX $nn,Y */ - LDX(4, ZP_IND_Y_BYTE); - break; - - case 0xB7: /* LAX $nn,Y */ - LAX(4, ZP_IND_Y_BYTE); - break; - - case 0xB8: /* CLV */ - CLV(); - break; - - case 0xB9: /* LDA $nnnn,Y */ - LDA(4, ABS_IND_Y_BYTE); - break; - - case 0xBA: /* TSX */ - TSX(); - break; - - case 0xBB: /* LAS $nnnn,Y */ - LAS(4, ABS_IND_Y_BYTE); - break; - - case 0xBC: /* LDY $nnnn,X */ - LDY(4, ABS_IND_X_BYTE); - break; - - case 0xBD: /* LDA $nnnn,X */ - LDA(4, ABS_IND_X_BYTE); - break; - - case 0xBE: /* LDX $nnnn,Y */ - LDX(4, ABS_IND_Y_BYTE); - break; - - case 0xBF: /* LAX $nnnn,Y */ - LAX(4, ABS_IND_Y_BYTE); - break; - - case 0xC0: /* CPY #$nn */ - CPY(2, IMMEDIATE_BYTE); - break; - - case 0xC1: /* CMP ($nn,X) */ - CMP(6, INDIR_X_BYTE); - break; - - case 0xC3: /* DCP ($nn,X) */ - DCP(8, INDIR_X, mem_write, addr); - break; - - case 0xC4: /* CPY $nn */ - CPY(3, ZERO_PAGE_BYTE); - break; - - case 0xC5: /* CMP $nn */ - CMP(3, ZERO_PAGE_BYTE); - break; - - case 0xC6: /* DEC $nn */ - DEC(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0xC7: /* DCP $nn */ - DCP(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0xC8: /* INY */ - INY(); - break; - - case 0xC9: /* CMP #$nn */ - CMP(2, IMMEDIATE_BYTE); - break; - - case 0xCA: /* DEX */ - DEX(); - break; - - case 0xCB: /* SBX #$nn */ - SBX(2, IMMEDIATE_BYTE); - break; - - case 0xCC: /* CPY $nnnn */ - CPY(4, ABSOLUTE_BYTE); - break; - - case 0xCD: /* CMP $nnnn */ - CMP(4, ABSOLUTE_BYTE); - break; - - case 0xCE: /* DEC $nnnn */ - DEC(6, ABSOLUTE, mem_write, addr); - break; - - case 0xCF: /* DCP $nnnn */ - DCP(6, ABSOLUTE, mem_write, addr); - break; - - case 0xD0: /* BNE $nnnn */ - BNE(); - break; - - case 0xD1: /* CMP ($nn),Y */ - CMP(5, INDIR_Y_BYTE); - break; - - case 0xD3: /* DCP ($nn),Y */ - DCP(8, INDIR_Y, mem_write, addr); - break; - - case 0xD5: /* CMP $nn,X */ - CMP(4, ZP_IND_X_BYTE); - break; - - case 0xD6: /* DEC $nn,X */ - DEC(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0xD7: /* DCP $nn,X */ - DCP(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0xD8: /* CLD */ - CLD(); - break; - - case 0xD9: /* CMP $nnnn,Y */ - CMP(4, ABS_IND_Y_BYTE); - break; - - case 0xDB: /* DCP $nnnn,Y */ - DCP(7, ABS_IND_Y, mem_write, addr); - break; - - case 0xDD: /* CMP $nnnn,X */ - CMP(4, ABS_IND_X_BYTE); - break; - - case 0xDE: /* DEC $nnnn,X */ - DEC(7, ABS_IND_X, mem_write, addr); - break; - - case 0xDF: /* DCP $nnnn,X */ - DCP(7, ABS_IND_X, mem_write, addr); - break; - - case 0xE0: /* CPX #$nn */ - CPX(2, IMMEDIATE_BYTE); - break; - - case 0xE1: /* SBC ($nn,X) */ - SBC(6, INDIR_X_BYTE); - break; - - case 0xE3: /* ISB ($nn,X) */ - ISB(8, INDIR_X, mem_write, addr); - break; - - case 0xE4: /* CPX $nn */ - CPX(3, ZERO_PAGE_BYTE); - break; - - case 0xE5: /* SBC $nn */ - SBC(3, ZERO_PAGE_BYTE); - break; - - case 0xE6: /* INC $nn */ - INC(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0xE7: /* ISB $nn */ - ISB(5, ZERO_PAGE, ZP_WRITE, baddr); - break; - - case 0xE8: /* INX */ - INX(); - break; - - case 0xE9: /* SBC #$nn */ - case 0xEB: /* USBC #$nn */ - SBC(2, IMMEDIATE_BYTE); - break; - - case 0xEA: /* NOP */ - NOP(); - break; - - case 0xEC: /* CPX $nnnn */ - CPX(4, ABSOLUTE_BYTE); - break; - - case 0xED: /* SBC $nnnn */ - SBC(4, ABSOLUTE_BYTE); - break; - - case 0xEE: /* INC $nnnn */ - INC(6, ABSOLUTE, mem_write, addr); - break; - - case 0xEF: /* ISB $nnnn */ - ISB(6, ABSOLUTE, mem_write, addr); - break; - - case 0xF0: /* BEQ $nnnn */ - BEQ(); - break; - - case 0xF1: /* SBC ($nn),Y */ - SBC(5, INDIR_Y_BYTE); - break; - - case 0xF3: /* ISB ($nn),Y */ - ISB(8, INDIR_Y, mem_write, addr); - break; - - case 0xF5: /* SBC $nn,X */ - SBC(4, ZP_IND_X_BYTE); - break; - - case 0xF6: /* INC $nn,X */ - INC(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0xF7: /* ISB $nn,X */ - ISB(6, ZP_IND_X, ZP_WRITE, baddr); - break; - - case 0xF8: /* SED */ - SED(); - break; - - case 0xF9: /* SBC $nnnn,Y */ - SBC(4, ABS_IND_Y_BYTE); - break; - - case 0xFB: /* ISB $nnnn,Y */ - ISB(7, ABS_IND_Y, mem_write, addr); - break; - - case 0xFD: /* SBC $nnnn,X */ - SBC(4, ABS_IND_X_BYTE); - break; - - case 0xFE: /* INC $nnnn,X */ - INC(7, ABS_IND_X, mem_write, addr); - break; - - case 0xFF: /* ISB $nnnn,X */ - ISB(7, ABS_IND_X, mem_write, addr); - break; - } - - /* Calculate remaining/elapsed clock cycles */ - remaining_cycles -= instruction_cycles; - total_cycles += instruction_cycles; - } - -_execute_done: - - /* restore local copy of regs */ - SET_LOCAL_REGS(); - - /* Return our actual amount of executed cycles */ - return (total_cycles - old_cycles); -} - -/* Initialize tables, etc. */ -void nes6502_init(void) -{ - int index; - - /* Build the N / Z flag lookup table */ - flag_table[0] = Z_FLAG; - - for (index = 1; index < 256; index++) - flag_table[index] = (index & 0x80) ? N_FLAG : 0; - - reg_A = reg_X = reg_Y = 0; - reg_S = 0xFF; /* Stack grows down */ -} - - -/* Issue a CPU Reset */ -void nes6502_reset(void) -{ - reg_P = Z_FLAG | R_FLAG | I_FLAG; /* Reserved bit always 1 */ - int_pending = dma_cycles = 0; /* No pending interrupts */ - reg_PC = bank_readaddress(RESET_VECTOR); /* Fetch reset vector */ - /* TODO: 6 cycles for RESET? */ -} - -/* Non-maskable interrupt */ -void nes6502_nmi(void) -{ - int_pending |= NMI_MASK; -} - -/* Interrupt request */ -void nes6502_irq(void) -{ - int_pending |= IRQ_MASK; -} - -/* Set dma period (in cycles) */ -void nes6502_setdma(int cycles) -{ - dma_cycles += cycles; -} - -/* -** $Log: nes6502.c,v $ -** Revision 1.2 2003/01/09 19:50:03 jkeil -** NSF audio files were crashing on SPARC. -** -** - Define the correct HOST_ENDIAN for SPARC -** - remove unaligned memory accesses -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.6 2000/07/04 04:50:07 matt -** minor change to includes -** -** Revision 1.5 2000/07/03 02:18:16 matt -** added a few notes about potential failure cases -** -** Revision 1.4 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/nes6502.h b/src/libxineadec/nosefart/nes6502.h deleted file mode 100644 index 9b9be5811..000000000 --- a/src/libxineadec/nosefart/nes6502.h +++ /dev/null @@ -1,134 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** nes6502.h -** -** NES custom 6502 CPU definitions / prototypes -** $Id: nes6502.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -/* NOTE: 16-bit addresses avoided like the plague: use 32-bit values -** wherever humanly possible -*/ -#ifndef _NES6502_H_ -#define _NES6502_H_ - -/* Define this to enable decimal mode in ADC / SBC (not needed in NES) */ -/*#define NES6502_DECIMAL*/ - -/* number of bank pointers the CPU emulation core handles */ -#ifdef NSF_PLAYER -#define NES6502_4KBANKS -#endif - -#ifdef NES6502_4KBANKS -#define NES6502_NUMBANKS 16 -#define NES6502_BANKSHIFT 12 -#else -#define NES6502_NUMBANKS 8 -#define NES6502_BANKSHIFT 13 -#endif - -#define NES6502_BANKMASK ((0x10000 / NES6502_NUMBANKS) - 1) - - -/* P (flag) register bitmasks */ -#define N_FLAG 0x80 -#define V_FLAG 0x40 -#define R_FLAG 0x20 /* Reserved, always 1 */ -#define B_FLAG 0x10 -#define D_FLAG 0x08 -#define I_FLAG 0x04 -#define Z_FLAG 0x02 -#define C_FLAG 0x01 - -/* Vector addresses */ -#define NMI_VECTOR 0xFFFA -#define RESET_VECTOR 0xFFFC -#define IRQ_VECTOR 0xFFFE - -/* cycle counts for interrupts */ -#define INT_CYCLES 7 -#define RESET_CYCLES 6 - -#define NMI_MASK 0x01 -#define IRQ_MASK 0x02 - -/* Stack is located on 6502 page 1 */ -#define STACK_OFFSET 0x0100 - -typedef struct -{ - uint32 min_range, max_range; - uint8 (*read_func)(uint32 address); -} nes6502_memread; - -typedef struct -{ - uint32 min_range, max_range; - void (*write_func)(uint32 address, uint8 value); -} nes6502_memwrite; - -typedef struct -{ - uint8 *mem_page[NES6502_NUMBANKS]; /* memory page pointers */ - nes6502_memread *read_handler; - nes6502_memwrite *write_handler; - int dma_cycles; - uint32 pc_reg; - uint8 a_reg, p_reg, x_reg, y_reg, s_reg; - uint8 int_pending; -} nes6502_context; - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/* Functions which govern the 6502's execution */ -extern void nes6502_init(void); -extern void nes6502_reset(void); -extern int nes6502_execute(int total_cycles); -extern void nes6502_nmi(void); -extern void nes6502_irq(void); -extern uint8 nes6502_getbyte(uint32 address); -extern uint32 nes6502_getcycles(boolean reset_flag); -extern void nes6502_setdma(int cycles); - -/* Context get/set */ -extern void nes6502_setcontext(nes6502_context *cpu); -extern void nes6502_getcontext(nes6502_context *cpu); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* _NES6502_H_ */ - -/* -** $Log: nes6502.h,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.4 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/nes_apu.c b/src/libxineadec/nosefart/nes_apu.c deleted file mode 100644 index 4a2ed8f4d..000000000 --- a/src/libxineadec/nosefart/nes_apu.c +++ /dev/null @@ -1,1212 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** nes_apu.c -** -** NES APU emulation -** $Id: nes_apu.c,v 1.4 2005/05/07 09:11:39 valtri Exp $ -*/ - -#include -#include "types.h" -#include "log.h" -#include "nes_apu.h" -#include "nes6502.h" - -#ifdef NSF_PLAYER -#include "nsf.h" -#else -#include "nes.h" -#include "nes_ppu.h" -#include "nes_mmc.h" -#include "nesinput.h" -#endif /* !NSF_PLAYER */ - - -#define APU_OVERSAMPLE -#define APU_VOLUME_DECAY(x) ((x) -= ((x) >> 7)) - - -/* pointer to active APU */ -static apu_t *apu; - -/* look up table madness */ -static int32 decay_lut[16]; -static int vbl_lut[32]; -static int trilength_lut[128]; - -/* noise lookups for both modes */ -#ifndef REALTIME_NOISE -static int8 noise_long_lut[APU_NOISE_32K]; -static int8 noise_short_lut[APU_NOISE_93]; -#endif /* !REALTIME_NOISE */ - - -/* vblank length table used for rectangles, triangle, noise */ -static const uint8 vbl_length[32] = -{ - 5, 127, - 10, 1, - 19, 2, - 40, 3, - 80, 4, - 30, 5, - 7, 6, - 13, 7, - 6, 8, - 12, 9, - 24, 10, - 48, 11, - 96, 12, - 36, 13, - 8, 14, - 16, 15 -}; - -/* frequency limit of rectangle channels */ -static const int freq_limit[8] = -{ - 0x3FF, 0x555, 0x666, 0x71C, 0x787, 0x7C1, 0x7E0, 0x7F0 -}; - -/* noise frequency lookup table */ -static const int noise_freq[16] = -{ - 4, 8, 16, 32, 64, 96, 128, 160, - 202, 254, 380, 508, 762, 1016, 2034, 4068 -}; - -/* DMC transfer freqs */ -const int dmc_clocks[16] = -{ - 428, 380, 340, 320, 286, 254, 226, 214, - 190, 160, 142, 128, 106, 85, 72, 54 -}; - -/* ratios of pos/neg pulse for rectangle waves */ -static const int duty_lut[4] = { 2, 4, 8, 12 }; - -#if 0 /* unused */ -static void apu_setcontext(apu_t *src_apu) -{ - apu = src_apu; -} -#endif - -/* -** Simple queue routines -*/ -#define APU_QEMPTY() (apu->q_head == apu->q_tail) - -static void apu_enqueue(apudata_t *d) -{ - ASSERT(apu); - apu->queue[apu->q_head] = *d; - - apu->q_head = (apu->q_head + 1) & APUQUEUE_MASK; - - if (APU_QEMPTY()) - log_printf("apu: queue overflow\n"); -} - -static apudata_t *apu_dequeue(void) -{ - int loc; - - ASSERT(apu); - - if (APU_QEMPTY()) - log_printf("apu: queue empty\n"); - - loc = apu->q_tail; - apu->q_tail = (apu->q_tail + 1) & APUQUEUE_MASK; - - return &apu->queue[loc]; -} - -void apu_setchan(int chan, boolean enabled) -{ - ASSERT(apu); - apu->mix_enable[chan] = enabled; -} - -/* emulation of the 15-bit shift register the -** NES uses to generate pseudo-random series -** for the white noise channel -*/ -#ifdef REALTIME_NOISE -INLINE int8 shift_register15(uint8 xor_tap) -{ - static int sreg = 0x4000; - int bit0, tap, bit14; - - bit0 = sreg & 1; - tap = (sreg & xor_tap) ? 1 : 0; - bit14 = (bit0 ^ tap); - sreg >>= 1; - sreg |= (bit14 << 14); - return (bit0 ^ 1); -} -#else -static void shift_register15(int8 *buf, int count) -{ - static int sreg = 0x4000; - int bit0, bit1, bit6, bit14; - - if (count == APU_NOISE_93) - { - while (count--) - { - bit0 = sreg & 1; - bit6 = (sreg & 0x40) >> 6; - bit14 = (bit0 ^ bit6); - sreg >>= 1; - sreg |= (bit14 << 14); - *buf++ = bit0 ^ 1; - } - } - else /* 32K noise */ - { - while (count--) - { - bit0 = sreg & 1; - bit1 = (sreg & 2) >> 1; - bit14 = (bit0 ^ bit1); - sreg >>= 1; - sreg |= (bit14 << 14); - *buf++ = bit0 ^ 1; - } - } -} -#endif - -/* RECTANGLE WAVE -** ============== -** reg0: 0-3=volume, 4=envelope, 5=hold, 6-7=duty cycle -** reg1: 0-2=sweep shifts, 3=sweep inc/dec, 4-6=sweep length, 7=sweep on -** reg2: 8 bits of freq -** reg3: 0-2=high freq, 7-4=vbl length counter -*/ -#define APU_RECTANGLE_OUTPUT chan->output_vol -static int32 apu_rectangle(rectangle_t *chan) -{ - int32 output; - -#ifdef APU_OVERSAMPLE - int num_times; - int32 total; -#endif - - APU_VOLUME_DECAY(chan->output_vol); - - if (FALSE == chan->enabled || 0 == chan->vbl_length) - return APU_RECTANGLE_OUTPUT; - - /* vbl length counter */ - if (FALSE == chan->holdnote) - chan->vbl_length--; - - /* envelope decay at a rate of (env_delay + 1) / 240 secs */ - chan->env_phase -= 4; /* 240/60 */ - while (chan->env_phase < 0) - { - chan->env_phase += chan->env_delay; - - if (chan->holdnote) - chan->env_vol = (chan->env_vol + 1) & 0x0F; - else if (chan->env_vol < 0x0F) - chan->env_vol++; - } - - if ((FALSE == chan->sweep_inc && chan->freq > chan->freq_limit) - || chan->freq < APU_TO_FIXED(4)) - return APU_RECTANGLE_OUTPUT; - - /* frequency sweeping at a rate of (sweep_delay + 1) / 120 secs */ - if (chan->sweep_on && chan->sweep_shifts) - { - chan->sweep_phase -= 2; /* 120/60 */ - while (chan->sweep_phase < 0) - { - chan->sweep_phase += chan->sweep_delay; - if (chan->sweep_inc) /* ramp up */ - chan->freq -= chan->freq >> (chan->sweep_shifts); - else /* ramp down */ - chan->freq += chan->freq >> (chan->sweep_shifts); - } - } - - chan->phaseacc -= apu->cycle_rate; /* # of cycles per sample */ - if (chan->phaseacc >= 0) - return APU_RECTANGLE_OUTPUT; - -#ifdef APU_OVERSAMPLE - num_times = total = 0; - - if (chan->fixed_envelope) - output = chan->volume << 8; /* fixed volume */ - else - output = (chan->env_vol ^ 0x0F) << 8; -#endif - - while (chan->phaseacc < 0) - { - chan->phaseacc += chan->freq; - chan->adder = (chan->adder + 1) & 0x0F; - -#ifdef APU_OVERSAMPLE - if (chan->adder < chan->duty_flip) - total += output; - else - total -= output; - - num_times++; -#endif - } - -#ifdef APU_OVERSAMPLE - chan->output_vol = total / num_times; -#else - if (chan->fixed_envelope) - output = chan->volume << 8; /* fixed volume */ - else - output = (chan->env_vol ^ 0x0F) << 8; - - if (0 == chan->adder) - chan->output_vol = output; - else if (chan->adder == chan->duty_flip) - chan->output_vol = -output; -#endif - - return APU_RECTANGLE_OUTPUT; -} - -/* TRIANGLE WAVE -** ============= -** reg0: 7=holdnote, 6-0=linear length counter -** reg2: low 8 bits of frequency -** reg3: 7-3=length counter, 2-0=high 3 bits of frequency -*/ -#define APU_TRIANGLE_OUTPUT (chan->output_vol + (chan->output_vol >> 2)) -static int32 apu_triangle(triangle_t *chan) -{ - APU_VOLUME_DECAY(chan->output_vol); - - if (FALSE == chan->enabled || 0 == chan->vbl_length) - return APU_TRIANGLE_OUTPUT; - - if (chan->counter_started) - { - if (chan->linear_length > 0) - chan->linear_length--; - if (chan->vbl_length && FALSE == chan->holdnote) - chan->vbl_length--; - } - else if (FALSE == chan->holdnote && chan->write_latency) - { - if (--chan->write_latency == 0) - chan->counter_started = TRUE; - } -/* - if (chan->countmode == COUNTMODE_COUNT) - { - if (chan->linear_length > 0) - chan->linear_length--; - if (chan->vbl_length) - chan->vbl_length--; - } -*/ - if (0 == chan->linear_length || chan->freq < APU_TO_FIXED(4)) /* inaudible */ - return APU_TRIANGLE_OUTPUT; - - chan->phaseacc -= apu->cycle_rate; /* # of cycles per sample */ - while (chan->phaseacc < 0) - { - chan->phaseacc += chan->freq; - chan->adder = (chan->adder + 1) & 0x1F; - - if (chan->adder & 0x10) - chan->output_vol -= (2 << 8); - else - chan->output_vol += (2 << 8); - } - - return APU_TRIANGLE_OUTPUT; -} - - -/* WHITE NOISE CHANNEL -** =================== -** reg0: 0-3=volume, 4=envelope, 5=hold -** reg2: 7=small(93 byte) sample,3-0=freq lookup -** reg3: 7-4=vbl length counter -*/ -#define APU_NOISE_OUTPUT ((chan->output_vol + chan->output_vol + chan->output_vol) >> 2) - -static int32 apu_noise(noise_t *chan) -{ - int32 outvol; - -#if defined(APU_OVERSAMPLE) && defined(REALTIME_NOISE) -#else - int32 noise_bit; -#endif -#ifdef APU_OVERSAMPLE - int num_times; - int32 total; -#endif - - APU_VOLUME_DECAY(chan->output_vol); - - if (FALSE == chan->enabled || 0 == chan->vbl_length) - return APU_NOISE_OUTPUT; - - /* vbl length counter */ - if (FALSE == chan->holdnote) - chan->vbl_length--; - - /* envelope decay at a rate of (env_delay + 1) / 240 secs */ - chan->env_phase -= 4; /* 240/60 */ - while (chan->env_phase < 0) - { - chan->env_phase += chan->env_delay; - - if (chan->holdnote) - chan->env_vol = (chan->env_vol + 1) & 0x0F; - else if (chan->env_vol < 0x0F) - chan->env_vol++; - } - - chan->phaseacc -= apu->cycle_rate; /* # of cycles per sample */ - if (chan->phaseacc >= 0) - return APU_NOISE_OUTPUT; - -#ifdef APU_OVERSAMPLE - num_times = total = 0; - - if (chan->fixed_envelope) - outvol = chan->volume << 8; /* fixed volume */ - else - outvol = (chan->env_vol ^ 0x0F) << 8; -#endif - - while (chan->phaseacc < 0) - { - chan->phaseacc += chan->freq; - -#ifdef REALTIME_NOISE - -#ifdef APU_OVERSAMPLE - if (shift_register15(chan->xor_tap)) - total += outvol; - else - total -= outvol; - - num_times++; -#else - noise_bit = shift_register15(chan->xor_tap); -#endif - -#else - chan->cur_pos++; - - if (chan->short_sample) - { - if (APU_NOISE_93 == chan->cur_pos) - chan->cur_pos = 0; - } - else - { - if (APU_NOISE_32K == chan->cur_pos) - chan->cur_pos = 0; - } - -#ifdef APU_OVERSAMPLE - if (chan->short_sample) - noise_bit = noise_short_lut[chan->cur_pos]; - else - noise_bit = noise_long_lut[chan->cur_pos]; - - if (noise_bit) - total += outvol; - else - total -= outvol; - - num_times++; -#endif -#endif /* REALTIME_NOISE */ - } - -#ifdef APU_OVERSAMPLE - chan->output_vol = total / num_times; -#else - if (chan->fixed_envelope) - outvol = chan->volume << 8; /* fixed volume */ - else - outvol = (chan->env_vol ^ 0x0F) << 8; - -#ifndef REALTIME_NOISE - if (chan->short_sample) - noise_bit = noise_short_lut[chan->cur_pos]; - else - noise_bit = noise_long_lut[chan->cur_pos]; -#endif /* !REALTIME_NOISE */ - - if (noise_bit) - chan->output_vol = outvol; - else - chan->output_vol = -outvol; -#endif - - return APU_NOISE_OUTPUT; -} - - -INLINE void apu_dmcreload(dmc_t *chan) -{ - chan->address = chan->cached_addr; - chan->dma_length = chan->cached_dmalength; - chan->irq_occurred = FALSE; -} - -/* DELTA MODULATION CHANNEL -** ========================= -** reg0: 7=irq gen, 6=looping, 3-0=pointer to clock table -** reg1: output dc level, 6 bits unsigned -** reg2: 8 bits of 64-byte aligned address offset : $C000 + (value * 64) -** reg3: length, (value * 16) + 1 -*/ -#define APU_DMC_OUTPUT ((chan->output_vol + chan->output_vol + chan->output_vol) >> 2) -static int32 apu_dmc(dmc_t *chan) -{ - int delta_bit; - - APU_VOLUME_DECAY(chan->output_vol); - - /* only process when channel is alive */ - if (chan->dma_length) - { - chan->phaseacc -= apu->cycle_rate; /* # of cycles per sample */ - - while (chan->phaseacc < 0) - { - chan->phaseacc += chan->freq; - - delta_bit = (chan->dma_length & 7) ^ 7; - - if (7 == delta_bit) - { - chan->cur_byte = nes6502_getbyte(chan->address); - - /* steal a cycle from CPU*/ - nes6502_setdma(1); - - if (0xFFFF == chan->address) - chan->address = 0x8000; - else - chan->address++; - } - - if (--chan->dma_length == 0) - { - /* if loop bit set, we're cool to retrigger sample */ - if (chan->looping) - apu_dmcreload(chan); - else - { - /* check to see if we should generate an irq */ - if (chan->irq_gen) - { - chan->irq_occurred = TRUE; - nes6502_irq(); - } - - /* bodge for timestamp queue */ - chan->enabled = FALSE; - break; - } - } - - /* positive delta */ - if (chan->cur_byte & (1 << delta_bit)) - { - if (chan->regs[1] < 0x7D) - { - chan->regs[1] += 2; - chan->output_vol += (2 << 8); - } -/* - if (chan->regs[1] < 0x3F) - chan->regs[1]++; - - chan->output_vol &= ~(0x7E << 8); - chan->output_vol |= ((chan->regs[1] << 1) << 8); -*/ - } - /* negative delta */ - else - { - if (chan->regs[1] > 1) - { - chan->regs[1] -= 2; - chan->output_vol -= (2 << 8); - } - -/* - if (chan->regs[1] > 0) - chan->regs[1]--; - - chan->output_vol &= ~(0x7E << 8); - chan->output_vol |= ((chan->regs[1] << 1) << 8); -*/ - } - } - } - - return APU_DMC_OUTPUT; -} - - -static void apu_regwrite(uint32 address, uint8 value) -{ - int chan; - - ASSERT(apu); - switch (address) - { - /* rectangles */ - case APU_WRA0: - case APU_WRB0: - chan = (address & 4) ? 1 : 0; - apu->rectangle[chan].regs[0] = value; - - apu->rectangle[chan].volume = value & 0x0F; - apu->rectangle[chan].env_delay = decay_lut[value & 0x0F]; - apu->rectangle[chan].holdnote = (value & 0x20) ? TRUE : FALSE; - apu->rectangle[chan].fixed_envelope = (value & 0x10) ? TRUE : FALSE; - apu->rectangle[chan].duty_flip = duty_lut[value >> 6]; - break; - - case APU_WRA1: - case APU_WRB1: - chan = (address & 4) ? 1 : 0; - apu->rectangle[chan].regs[1] = value; - apu->rectangle[chan].sweep_on = (value & 0x80) ? TRUE : FALSE; - apu->rectangle[chan].sweep_shifts = value & 7; - apu->rectangle[chan].sweep_delay = decay_lut[(value >> 4) & 7]; - - apu->rectangle[chan].sweep_inc = (value & 0x08) ? TRUE : FALSE; - apu->rectangle[chan].freq_limit = APU_TO_FIXED(freq_limit[value & 7]); - break; - - case APU_WRA2: - case APU_WRB2: - chan = (address & 4) ? 1 : 0; - apu->rectangle[chan].regs[2] = value; -// if (apu->rectangle[chan].enabled) - apu->rectangle[chan].freq = APU_TO_FIXED((((apu->rectangle[chan].regs[3] & 7) << 8) + value) + 1); - break; - - case APU_WRA3: - case APU_WRB3: - chan = (address & 4) ? 1 : 0; - apu->rectangle[chan].regs[3] = value; - -// if (apu->rectangle[chan].enabled) - { - apu->rectangle[chan].vbl_length = vbl_lut[value >> 3]; - apu->rectangle[chan].env_vol = 0; - apu->rectangle[chan].freq = APU_TO_FIXED((((value & 7) << 8) + apu->rectangle[chan].regs[2]) + 1); - apu->rectangle[chan].adder = 0; - } - break; - - /* triangle */ - case APU_WRC0: -/* - if (0 == (apu->triangle.regs[0] & 0x80)) - apu->triangle.countmode = COUNTMODE_COUNT; - else - { - if (apu->triangle.countmode == COUNTMODE_LOAD && apu->triangle.vbl_length) - apu->triangle.linear_length = trilength_lut[value & 0x7F]; - - if (0 == (value & 0x80)) - apu->triangle.countmode = COUNTMODE_COUNT; - } -*/ - apu->triangle.regs[0] = value; - - apu->triangle.holdnote = (value & 0x80) ? TRUE : FALSE; - - -// if (apu->triangle.enabled) - { - if (FALSE == apu->triangle.counter_started && apu->triangle.vbl_length) - apu->triangle.linear_length = trilength_lut[value & 0x7F]; - } - - break; - - case APU_WRC2: - - apu->triangle.regs[1] = value; - -// if (apu->triangle.enabled) - apu->triangle.freq = APU_TO_FIXED((((apu->triangle.regs[2] & 7) << 8) + value) + 1); - break; - - case APU_WRC3: - - apu->triangle.regs[2] = value; - - /* this is somewhat of a hack. there appears to be some latency on - ** the Real Thing between when trireg0 is written to and when the - ** linear length counter actually begins its countdown. we want to - ** prevent the case where the program writes to the freq regs first, - ** then to reg 0, and the counter accidentally starts running because - ** of the sound queue's timestamp processing. - ** - ** set latency to a couple scanlines -- should be plenty of time for - ** the 6502 code to do a couple of table dereferences and load up the - ** other triregs - */ - - /* 06/13/00 MPC -- seems to work OK */ - apu->triangle.write_latency = (int) (2 * NES_SCANLINE_CYCLES / APU_FROM_FIXED(apu->cycle_rate)); -/* - apu->triangle.linear_length = trilength_lut[apu->triangle.regs[0] & 0x7F]; - if (0 == (apu->triangle.regs[0] & 0x80)) - apu->triangle.countmode = COUNTMODE_COUNT; - else - apu->triangle.countmode = COUNTMODE_LOAD; -*/ -// if (apu->triangle.enabled) - { - apu->triangle.freq = APU_TO_FIXED((((value & 7) << 8) + apu->triangle.regs[1]) + 1); - apu->triangle.vbl_length = vbl_lut[value >> 3]; - apu->triangle.counter_started = FALSE; - apu->triangle.linear_length = trilength_lut[apu->triangle.regs[0] & 0x7F]; - } - - break; - - /* noise */ - case APU_WRD0: - apu->noise.regs[0] = value; - apu->noise.env_delay = decay_lut[value & 0x0F]; - apu->noise.holdnote = (value & 0x20) ? TRUE : FALSE; - apu->noise.fixed_envelope = (value & 0x10) ? TRUE : FALSE; - apu->noise.volume = value & 0x0F; - break; - - case APU_WRD2: - apu->noise.regs[1] = value; - apu->noise.freq = APU_TO_FIXED(noise_freq[value & 0x0F]); - -#ifdef REALTIME_NOISE - apu->noise.xor_tap = (value & 0x80) ? 0x40: 0x02; -#else - /* detect transition from long->short sample */ - if ((value & 0x80) && FALSE == apu->noise.short_sample) - { - /* recalculate short noise buffer */ - shift_register15(noise_short_lut, APU_NOISE_93); - apu->noise.cur_pos = 0; - } - apu->noise.short_sample = (value & 0x80) ? TRUE : FALSE; -#endif - break; - - case APU_WRD3: - apu->noise.regs[2] = value; - -// if (apu->noise.enabled) - { - apu->noise.vbl_length = vbl_lut[value >> 3]; - apu->noise.env_vol = 0; /* reset envelope */ - } - break; - - /* DMC */ - case APU_WRE0: - apu->dmc.regs[0] = value; - - apu->dmc.freq = APU_TO_FIXED(dmc_clocks[value & 0x0F]); - apu->dmc.looping = (value & 0x40) ? TRUE : FALSE; - - if (value & 0x80) - apu->dmc.irq_gen = TRUE; - else - { - apu->dmc.irq_gen = FALSE; - apu->dmc.irq_occurred = FALSE; - } - break; - - case APU_WRE1: /* 7-bit DAC */ - /* add the _delta_ between written value and - ** current output level of the volume reg - */ - value &= 0x7F; /* bit 7 ignored */ - apu->dmc.output_vol += ((value - apu->dmc.regs[1]) << 8); - apu->dmc.regs[1] = value; -/* - apu->dmc.output_vol = (value & 0x7F) << 8; - apu->dmc.regs[1] = (value & 0x7E) >> 1; -*/ - break; - - case APU_WRE2: - apu->dmc.regs[2] = value; - apu->dmc.cached_addr = 0xC000 + (uint16) (value << 6); - break; - - case APU_WRE3: - apu->dmc.regs[3] = value; - apu->dmc.cached_dmalength = ((value << 4) + 1) << 3; - break; - - case APU_SMASK: - /* bodge for timestamp queue */ - apu->dmc.enabled = (value & 0x10) ? TRUE : FALSE; - - apu->enable_reg = value; - - for (chan = 0; chan < 2; chan++) - { - if (value & (1 << chan)) - apu->rectangle[chan].enabled = TRUE; - else - { - apu->rectangle[chan].enabled = FALSE; - apu->rectangle[chan].vbl_length = 0; - } - } - - if (value & 0x04) - apu->triangle.enabled = TRUE; - else - { - apu->triangle.enabled = FALSE; - apu->triangle.vbl_length = 0; - apu->triangle.linear_length = 0; - apu->triangle.counter_started = FALSE; - apu->triangle.write_latency = 0; - } - - if (value & 0x08) - apu->noise.enabled = TRUE; - else - { - apu->noise.enabled = FALSE; - apu->noise.vbl_length = 0; - } - - if (value & 0x10) - { - if (0 == apu->dmc.dma_length) - apu_dmcreload(&apu->dmc); - } - else - apu->dmc.dma_length = 0; - - apu->dmc.irq_occurred = FALSE; - break; - - /* unused, but they get hit in some mem-clear loops */ - case 0x4009: - case 0x400D: - break; - - default: - break; - } -} - -/* Read from $4000-$4017 */ -uint8 apu_read(uint32 address) -{ - uint8 value; - - ASSERT(apu); - - switch (address) - { - case APU_SMASK: - /* seems that bit 6 denotes vblank -- return 1 for now */ - value = 0x40; - - /* Return 1 in 0-5 bit pos if a channel is playing */ - if (apu->rectangle[0].enabled && apu->rectangle[0].vbl_length) - value |= 0x01; - if (apu->rectangle[1].enabled && apu->rectangle[1].vbl_length) - value |= 0x02; - if (apu->triangle.enabled && apu->triangle.vbl_length) - value |= 0x04; - if (apu->noise.enabled && apu->noise.vbl_length) - value |= 0x08; - - //if (apu->dmc.dma_length) - /* bodge for timestamp queue */ - if (apu->dmc.enabled) - value |= 0x10; - - if (apu->dmc.irq_occurred) - value |= 0x80; - - break; - -#ifndef NSF_PLAYER - case APU_JOY0: - value = input_get(INP_JOYPAD0); - break; - - case APU_JOY1: - value = input_get(INP_ZAPPER | INP_JOYPAD1 /*| INP_ARKANOID*/ /*| INP_POWERPAD*/); - break; -#endif /* !NSF_PLAYER */ - - default: - value = (address >> 8); /* heavy capacitance on data bus */ - break; - } - - return value; -} - - -void apu_write(uint32 address, uint8 value) -{ -#ifndef NSF_PLAYER - static uint8 last_write; -#endif /* !NSF_PLAYER */ - apudata_t d; - - switch (address) - { - case 0x4015: - /* bodge for timestamp queue */ - apu->dmc.enabled = (value & 0x10) ? TRUE : FALSE; - - case 0x4000: case 0x4001: case 0x4002: case 0x4003: - case 0x4004: case 0x4005: case 0x4006: case 0x4007: - case 0x4008: case 0x4009: case 0x400A: case 0x400B: - case 0x400C: case 0x400D: case 0x400E: case 0x400F: - case 0x4010: case 0x4011: case 0x4012: case 0x4013: - d.timestamp = nes6502_getcycles(FALSE); - d.address = address; - d.value = value; - apu_enqueue(&d); - break; - -#ifndef NSF_PLAYER - case APU_OAMDMA: - ppu_oamdma(address, value); - break; - - case APU_JOY0: - /* VS system VROM switching */ - mmc_vsvrom(value & 4); - - /* see if we need to strobe them joypads */ - value &= 1; - if ((0 == value) && last_write) - input_strobe(); - last_write = value; - break; - - case APU_JOY1: /* Some kind of IRQ control business */ - break; - -#endif /* !NSF_PLAYER */ - - default: - break; - } -} - -void apu_getpcmdata(void **data, int *num_samples, int *sample_bits) -{ - ASSERT(apu); - *data = apu->buffer; - *num_samples = apu->num_samples; - *sample_bits = apu->sample_bits; -} - - -void apu_process(void *buffer, int num_samples) -{ - apudata_t *d; - uint32 elapsed_cycles; - static int32 prev_sample = 0; - int32 next_sample, accum; - - ASSERT(apu); - - /* grab it, keep it local for speed */ - elapsed_cycles = (uint32) apu->elapsed_cycles; - - /* BLEH */ - apu->buffer = buffer; - - while (num_samples--) - { - while ((FALSE == APU_QEMPTY()) && (apu->queue[apu->q_tail].timestamp <= elapsed_cycles)) - { - d = apu_dequeue(); - apu_regwrite(d->address, d->value); - } - - elapsed_cycles += APU_FROM_FIXED(apu->cycle_rate); - - accum = 0; - if (apu->mix_enable[0]) accum += apu_rectangle(&apu->rectangle[0]); - if (apu->mix_enable[1]) accum += apu_rectangle(&apu->rectangle[1]); - if (apu->mix_enable[2]) accum += apu_triangle(&apu->triangle); - if (apu->mix_enable[3]) accum += apu_noise(&apu->noise); - if (apu->mix_enable[4]) accum += apu_dmc(&apu->dmc); - - if (apu->ext && apu->mix_enable[5]) accum += apu->ext->process(); - - /* do any filtering */ - if (APU_FILTER_NONE != apu->filter_type) - { - next_sample = accum; - - if (APU_FILTER_LOWPASS == apu->filter_type) - { - accum += prev_sample; - accum >>= 1; - } - else - accum = (accum + accum + accum + prev_sample) >> 2; - - prev_sample = next_sample; - } - - /* little extra kick for the kids */ - accum <<= 1; - - /* prevent clipping */ - if (accum > 0x7FFF) - accum = 0x7FFF; - else if (accum < -0x8000) - accum = -0x8000; - - /* signed 16-bit output, unsigned 8-bit */ - if (16 == apu->sample_bits) { - *((int16 *) buffer) = (int16) accum; - buffer = (int16 *) buffer + 1; - } else { - *((uint8 *) buffer) = (accum >> 8) ^ 0x80; - buffer = (int8 *) buffer + 1; - } - } - - /* resync cycle counter */ - apu->elapsed_cycles = nes6502_getcycles(FALSE); -} - -/* set the filter type */ -void apu_setfilter(int filter_type) -{ - ASSERT(apu); - apu->filter_type = filter_type; -} - -void apu_reset(void) -{ - uint32 address; - - ASSERT(apu); - - apu->elapsed_cycles = 0; - memset(&apu->queue, 0, APUQUEUE_SIZE * sizeof(apudata_t)); - apu->q_head = 0; - apu->q_tail = 0; - - /* use to avoid bugs =) */ - for (address = 0x4000; address <= 0x4013; address++) - apu_regwrite(address, 0); - -#ifdef NSF_PLAYER - apu_regwrite(0x400C, 0x10); /* silence noise channel on NSF start */ - apu_regwrite(0x4015, 0x0F); -#else - apu_regwrite(0x4015, 0); -#endif /* NSF_PLAYER */ - - if (apu->ext) - apu->ext->reset(); -} - -static void apu_build_luts(int num_samples) -{ - int i; - - /* lut used for enveloping and frequency sweeps */ - for (i = 0; i < 16; i++) - decay_lut[i] = num_samples * (i + 1); - - /* used for note length, based on vblanks and size of audio buffer */ - for (i = 0; i < 32; i++) - vbl_lut[i] = vbl_length[i] * num_samples; - - /* triangle wave channel's linear length table */ - for (i = 0; i < 128; i++) - trilength_lut[i] = (i * num_samples) / 4; - -#ifndef REALTIME_NOISE - /* generate noise samples */ - shift_register15(noise_long_lut, APU_NOISE_32K); - shift_register15(noise_short_lut, APU_NOISE_93); -#endif /* !REALTIME_NOISE */ -} - -static void apu_setactive(apu_t *active) -{ - ASSERT(active); - apu = active; -} - -/* Initializes emulated sound hardware, creates waveforms/voices */ -apu_t *apu_create(int sample_rate, int refresh_rate, int sample_bits, boolean stereo) -{ - apu_t *temp_apu; - int channel; - - temp_apu = malloc(sizeof(apu_t)); - if (NULL == temp_apu) - return NULL; - - temp_apu->sample_rate = sample_rate; - temp_apu->refresh_rate = refresh_rate; - temp_apu->sample_bits = sample_bits; - - temp_apu->num_samples = sample_rate / refresh_rate; - /* turn into fixed point! */ - temp_apu->cycle_rate = (int32) (APU_BASEFREQ * 65536.0 / (float) sample_rate); - - /* build various lookup tables for apu */ - apu_build_luts(temp_apu->num_samples); - - /* set the update routine */ - temp_apu->process = apu_process; - temp_apu->ext = NULL; - - apu_setactive(temp_apu); - apu_reset(); - - for (channel = 0; channel < 6; channel++) - apu_setchan(channel, TRUE); - - apu_setfilter(APU_FILTER_LOWPASS); - - return temp_apu; -} - -apu_t *apu_getcontext(void) -{ - return apu; -} - -void apu_destroy(apu_t *src_apu) -{ - if (src_apu) - { - if (src_apu->ext) - src_apu->ext->shutdown(); - free(src_apu); - } -} - -void apu_setext(apu_t *src_apu, apuext_t *ext) -{ - ASSERT(src_apu); - - src_apu->ext = ext; - - /* initialize it */ - if (src_apu->ext) - src_apu->ext->init(); -} - -/* this exists for external mixing routines */ -int32 apu_getcyclerate(void) -{ - ASSERT(apu); - return apu->cycle_rate; -} - -/* -** $Log: nes_apu.c,v $ -** Revision 1.4 2005/05/07 09:11:39 valtri -** *BUGFIX* -** gcc4 patches from Dams Nadé (livna.org) and Keenan Pepper. -** -** Revision 1.3 2004/12/12 06:55:59 athp -** Code cleanups and elimination of some compiler warnings; patch courtesy of AL13N -** -** Revision 1.2 2003/08/25 21:51:43 f1rmb -** Reduce GCC verbosity (various prototype declaration fixes). ffmpeg, wine and fft*post are untouched (fft: for now). -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.19 2000/07/04 04:53:26 matt -** minor changes, sound amplification -** -** Revision 1.18 2000/07/03 02:18:53 matt -** much better external module exporting -** -** Revision 1.17 2000/06/26 11:01:55 matt -** made triangle a tad quieter -** -** Revision 1.16 2000/06/26 05:10:33 matt -** fixed cycle rate generation accuracy -** -** Revision 1.15 2000/06/26 05:00:37 matt -** cleanups -** -** Revision 1.14 2000/06/23 11:06:24 matt -** more faithful mixing of channels -** -** Revision 1.13 2000/06/23 03:29:27 matt -** cleaned up external sound inteface -** -** Revision 1.12 2000/06/20 00:08:39 matt -** bugfix to rectangle wave -** -** Revision 1.11 2000/06/13 13:48:58 matt -** fixed triangle write latency for fixed point apu cycle rate -** -** Revision 1.10 2000/06/12 01:14:36 matt -** minor change to clipping extents -** -** Revision 1.9 2000/06/09 20:00:56 matt -** fixed noise hiccup in NSF player mode -** -** Revision 1.8 2000/06/09 16:49:02 matt -** removed all floating point from sound generation -** -** Revision 1.7 2000/06/09 15:12:28 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/nes_apu.h b/src/libxineadec/nosefart/nes_apu.h deleted file mode 100644 index 09b5842d9..000000000 --- a/src/libxineadec/nosefart/nes_apu.h +++ /dev/null @@ -1,331 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** nes_apu.h -** -** NES APU emulation header file -** $Id: nes_apu.h,v 1.2 2003/01/09 19:50:03 jkeil Exp $ -*/ - -#ifndef _NES_APU_H_ -#define _NES_APU_H_ - -#ifdef __GNUC__ -#define INLINE static inline -#elif defined(WIN32) -#define INLINE static __inline -#else -#define INLINE static -#endif - -/* define this for realtime generated noise */ -#define REALTIME_NOISE - -#define APU_WRA0 0x4000 -#define APU_WRA1 0x4001 -#define APU_WRA2 0x4002 -#define APU_WRA3 0x4003 -#define APU_WRB0 0x4004 -#define APU_WRB1 0x4005 -#define APU_WRB2 0x4006 -#define APU_WRB3 0x4007 -#define APU_WRC0 0x4008 -#define APU_WRC2 0x400A -#define APU_WRC3 0x400B -#define APU_WRD0 0x400C -#define APU_WRD2 0x400E -#define APU_WRD3 0x400F -#define APU_WRE0 0x4010 -#define APU_WRE1 0x4011 -#define APU_WRE2 0x4012 -#define APU_WRE3 0x4013 - -#define APU_OAMDMA 0x4014 -#define APU_SMASK 0x4015 -#define APU_JOY0 0x4016 -#define APU_JOY1 0x4017 - -/* length of generated noise */ -#define APU_NOISE_32K 0x7FFF -#define APU_NOISE_93 93 - -#define APU_BASEFREQ (NES_MASTER_CLOCK / 12) - -/* to/from 16.16 fixed point */ -#define APU_TO_FIXED(x) ((x) << 16) -#define APU_FROM_FIXED(x) ((x) >> 16) - - -/* channel structures */ -/* As much data as possible is precalculated, -** to keep the sample processing as lean as possible -*/ - -typedef struct rectangle_s -{ - uint8 regs[4]; - - boolean enabled; - - int32 phaseacc; - int32 freq; - int32 output_vol; - boolean fixed_envelope; - boolean holdnote; - uint8 volume; - - int32 sweep_phase; - int32 sweep_delay; - boolean sweep_on; - uint8 sweep_shifts; - uint8 sweep_length; - boolean sweep_inc; - int32 freq_limit; - - int32 env_phase; - int32 env_delay; - uint8 env_vol; - - int vbl_length; - uint8 adder; - int duty_flip; -} rectangle_t; - -/* -enum -{ - COUNTMODE_LOAD, - COUNTMODE_COUNT -}; -*/ - -typedef struct triangle_s -{ - uint8 regs[3]; - - boolean enabled; - - int32 freq; - int32 phaseacc; - int32 output_vol; - - uint8 adder; - - boolean holdnote; - boolean counter_started; - /* quasi-hack */ - int write_latency; - -// boolean countmode; - - int vbl_length; - int linear_length; - -} triangle_t; - - -typedef struct noise_s -{ - uint8 regs[3]; - - boolean enabled; - - int32 freq; - int32 phaseacc; - int32 output_vol; - - int32 env_phase; - int32 env_delay; - uint8 env_vol; - boolean fixed_envelope; - boolean holdnote; - - uint8 volume; - - int vbl_length; - -#ifdef REALTIME_NOISE - uint8 xor_tap; -#else - boolean short_sample; - int cur_pos; -#endif /* REALTIME_NOISE */ -} noise_t; - -typedef struct dmc_s -{ - uint8 regs[4]; - - /* bodge for timestamp queue */ - boolean enabled; - - int32 freq; - int32 phaseacc; - int32 output_vol; - - uint32 address; - uint32 cached_addr; - int dma_length; - int cached_dmalength; - uint8 cur_byte; - - boolean looping; - boolean irq_gen; - boolean irq_occurred; - -} dmc_t; - -enum -{ - APU_FILTER_NONE, - APU_FILTER_LOWPASS, - APU_FILTER_WEIGHTED -}; - -typedef struct -{ - uint32 min_range, max_range; - uint8 (*read_func)(uint32 address); -} apu_memread; - -typedef struct -{ - uint32 min_range, max_range; - void (*write_func)(uint32 address, uint8 value); -} apu_memwrite; - -/* external sound chip stuff */ -typedef struct apuext_s -{ - void (*init)(void); - void (*shutdown)(void); - void (*reset)(void); - int32 (*process)(void); - apu_memread *mem_read; - apu_memwrite *mem_write; -} apuext_t; - - -/* APU queue structure */ -#define APUQUEUE_SIZE 4096 -#define APUQUEUE_MASK (APUQUEUE_SIZE - 1) - -/* apu ring buffer member */ -typedef struct apudata_s -{ - uint32 timestamp, address; - uint8 value; -} apudata_t; - - -typedef struct apu_s -{ - rectangle_t rectangle[2]; - triangle_t triangle; - noise_t noise; - dmc_t dmc; - uint8 enable_reg; - - apudata_t queue[APUQUEUE_SIZE]; - int q_head, q_tail; - uint32 elapsed_cycles; - - void *buffer; /* pointer to output buffer */ - int num_samples; - - boolean mix_enable[6]; - int filter_type; - - int32 cycle_rate; - - int sample_rate; - int sample_bits; - int refresh_rate; - - void (*process)(void *buffer, int num_samples); - - /* external sound chip */ - apuext_t *ext; -} apu_t; - - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/* Function prototypes */ -extern apu_t *apu_create(int sample_rate, int refresh_rate, int sample_bits, boolean stereo); -extern void apu_destroy(apu_t *apu); -extern void apu_setext(apu_t *apu, apuext_t *ext); -extern void apu_setfilter(int filter_type); -extern void apu_process(void *buffer, int num_samples); -extern void apu_reset(void); -extern void apu_setchan(int chan, boolean enabled); -extern int32 apu_getcyclerate(void); -extern apu_t *apu_getcontext(void); - -extern uint8 apu_read(uint32 address); -extern void apu_write(uint32 address, uint8 value); - -/* for visualization */ -extern void apu_getpcmdata(void **data, int *num_samples, int *sample_bits); - - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* _NES_APU_H_ */ - -/* -** $Log: nes_apu.h,v $ -** Revision 1.2 2003/01/09 19:50:03 jkeil -** NSF audio files were crashing on SPARC. -** -** - Define the correct HOST_ENDIAN for SPARC -** - remove unaligned memory accesses -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.12 2000/07/04 04:54:48 matt -** minor changes that helped with MAME -** -** Revision 1.11 2000/07/03 02:18:53 matt -** much better external module exporting -** -** Revision 1.10 2000/06/26 05:00:37 matt -** cleanups -** -** Revision 1.9 2000/06/23 03:29:28 matt -** cleaned up external sound inteface -** -** Revision 1.8 2000/06/20 04:06:16 matt -** migrated external sound definition to apu module -** -** Revision 1.7 2000/06/20 00:07:35 matt -** added convenience members to apu_t struct -** -** Revision 1.6 2000/06/09 16:49:02 matt -** removed all floating point from sound generation -** -** Revision 1.5 2000/06/09 15:12:28 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/nsf.c b/src/libxineadec/nosefart/nsf.c deleted file mode 100644 index 6bbc96423..000000000 --- a/src/libxineadec/nosefart/nsf.c +++ /dev/null @@ -1,632 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** nsf.c -** -** NSF loading/saving related functions -** $Id: nsf.c,v 1.4 2006/09/26 00:52:17 dgp85 Exp $ -*/ - -#include -#include -#include "types.h" -#include "nsf.h" -#include "log.h" -#include "nes6502.h" -#include "nes_apu.h" -#include "vrcvisnd.h" -#include "vrc7_snd.h" -#include "mmc5_snd.h" -#include "fds_snd.h" - -/* TODO: bleh! should encapsulate in NSF */ -#define MAX_ADDRESS_HANDLERS 32 -static nes6502_memread nsf_readhandler[MAX_ADDRESS_HANDLERS]; -static nes6502_memwrite nsf_writehandler[MAX_ADDRESS_HANDLERS]; - -static nsf_t *cur_nsf = NULL; - -static void nsf_setcontext(nsf_t *nsf) -{ - ASSERT(nsf); - cur_nsf = nsf; -} - -static uint8 read_mirrored_ram(uint32 address) -{ - return cur_nsf->cpu->mem_page[0][address & 0x7FF]; -} - -static void write_mirrored_ram(uint32 address, uint8 value) -{ - cur_nsf->cpu->mem_page[0][address & 0x7FF] = value; -} - -/* can be used for both banked and non-bankswitched NSFs */ -static void nsf_bankswitch(uint32 address, uint8 value) -{ - int cpu_page; - uint8 *offset; - - cpu_page = address & 0x0F; - offset = (cur_nsf->data - (cur_nsf->load_addr & 0x0FFF)) + (value << 12); - - nes6502_getcontext(cur_nsf->cpu); - cur_nsf->cpu->mem_page[cpu_page] = offset; - nes6502_setcontext(cur_nsf->cpu); -} - -static nes6502_memread default_readhandler[] = -{ - { 0x0800, 0x1FFF, read_mirrored_ram }, - { 0x4000, 0x4017, apu_read }, - { -1, -1, NULL } -}; - -static nes6502_memwrite default_writehandler[] = -{ - { 0x0800, 0x1FFF, write_mirrored_ram }, - { 0x4000, 0x4017, apu_write }, - { 0x5FF6, 0x5FFF, nsf_bankswitch }, - { -1, -1, NULL} -}; - -static uint8 invalid_read(uint32 address) -{ -#ifdef NOFRENDO_DEBUG - log_printf("filthy NSF read from $%04X\n", address); -#endif /* NOFRENDO_DEBUG */ - - return 0xFF; -} - -static void invalid_write(uint32 address, uint8 value) -{ -#ifdef NOFRENDO_DEBUG - log_printf("filthy NSF tried to write $%02X to $%04X\n", value, address); -#endif /* NOFRENDO_DEBUG */ -} - -/* set up the address handlers that the CPU uses */ -static void build_address_handlers(nsf_t *nsf) -{ - int count, num_handlers; - - memset(nsf_readhandler, 0, sizeof(nsf_readhandler)); - memset(nsf_writehandler, 0, sizeof(nsf_writehandler)); - - num_handlers = 0; - for (count = 0; num_handlers < MAX_ADDRESS_HANDLERS; count++, num_handlers++) - { - if (NULL == default_readhandler[count].read_func) - break; - - memcpy(&nsf_readhandler[num_handlers], &default_readhandler[count], - sizeof(nes6502_memread)); - } - - if (nsf->apu->ext) - { - if (NULL != nsf->apu->ext->mem_read) - { - for (count = 0; num_handlers < MAX_ADDRESS_HANDLERS; count++, num_handlers++) - { - if (NULL == nsf->apu->ext->mem_read[count].read_func) - break; - - memcpy(&nsf_readhandler[num_handlers], &nsf->apu->ext->mem_read[count], - sizeof(nes6502_memread)); - } - } - } - - /* catch-all for bad reads */ - nsf_readhandler[num_handlers].min_range = 0x2000; /* min address */ - nsf_readhandler[num_handlers].max_range = 0x5BFF; /* max address */ - nsf_readhandler[num_handlers].read_func = invalid_read; /* handler */ - num_handlers++; - nsf_readhandler[num_handlers].min_range = -1; - nsf_readhandler[num_handlers].max_range = -1; - nsf_readhandler[num_handlers].read_func = NULL; - num_handlers++; - ASSERT(num_handlers <= MAX_ADDRESS_HANDLERS); - - num_handlers = 0; - for (count = 0; num_handlers < MAX_ADDRESS_HANDLERS; count++, num_handlers++) - { - if (NULL == default_writehandler[count].write_func) - break; - - memcpy(&nsf_writehandler[num_handlers], &default_writehandler[count], - sizeof(nes6502_memwrite)); - } - - if (nsf->apu->ext) - { - if (NULL != nsf->apu->ext->mem_write) - { - for (count = 0; num_handlers < MAX_ADDRESS_HANDLERS; count++, num_handlers++) - { - if (NULL == nsf->apu->ext->mem_write[count].write_func) - break; - - memcpy(&nsf_writehandler[num_handlers], &nsf->apu->ext->mem_write[count], - sizeof(nes6502_memwrite)); - } - } - } - - /* catch-all for bad writes */ - nsf_writehandler[num_handlers].min_range = 0x2000; /* min address */ - nsf_writehandler[num_handlers].max_range = 0x5BFF; /* max address */ - nsf_writehandler[num_handlers].write_func = invalid_write; /* handler */ - num_handlers++; - /* protect region at $8000-$FFFF */ - nsf_writehandler[num_handlers].min_range = 0x8000; /* min address */ - nsf_writehandler[num_handlers].max_range = 0xFFFF; /* max address */ - nsf_writehandler[num_handlers].write_func = invalid_write; /* handler */ - num_handlers++; - nsf_writehandler[num_handlers].min_range = -1; - nsf_writehandler[num_handlers].max_range = -1; - nsf_writehandler[num_handlers].write_func = NULL; - num_handlers++; - ASSERT(num_handlers <= MAX_ADDRESS_HANDLERS); -} - -#define NSF_ROUTINE_LOC 0x5000 - -/* sets up a simple loop that calls the desired routine and spins */ -static void nsf_setup_routine(uint32 address, uint8 a_reg, uint8 x_reg) -{ - uint8 *mem; - - nes6502_getcontext(cur_nsf->cpu); - mem = cur_nsf->cpu->mem_page[NSF_ROUTINE_LOC >> 12] + (NSF_ROUTINE_LOC & 0x0FFF); - - /* our lovely 4-byte 6502 NSF player */ - mem[0] = 0x20; /* JSR address */ - mem[1] = address & 0xFF; - mem[2] = address >> 8; - mem[3] = 0xF2; /* JAM (cpu kill op) */ - - cur_nsf->cpu->pc_reg = NSF_ROUTINE_LOC; - cur_nsf->cpu->a_reg = a_reg; - cur_nsf->cpu->x_reg = x_reg; - cur_nsf->cpu->y_reg = 0; - cur_nsf->cpu->s_reg = 0xFF; - - nes6502_setcontext(cur_nsf->cpu); -} - -/* retrieve any external soundchip driver */ -static apuext_t *nsf_getext(nsf_t *nsf) -{ - switch (nsf->ext_sound_type) - { - case EXT_SOUND_VRCVI: - return &vrcvi_ext; - - case EXT_SOUND_VRCVII: - return &vrc7_ext; - - case EXT_SOUND_FDS: - return &fds_ext; - - case EXT_SOUND_MMC5: - return &mmc5_ext; - - case EXT_SOUND_NAMCO106: - case EXT_SOUND_SUNSOFT_FME07: - case EXT_SOUND_NONE: - default: - return NULL; - } -} - -static void nsf_inittune(nsf_t *nsf) -{ - uint8 bank, x_reg; - uint8 start_bank, num_banks; - - memset(nsf->cpu->mem_page[0], 0, 0x800); - memset(nsf->cpu->mem_page[6], 0, 0x1000); - memset(nsf->cpu->mem_page[7], 0, 0x1000); - - if (nsf->bankswitched) - { - /* the first hack of the NSF spec! */ - if (EXT_SOUND_FDS == nsf->ext_sound_type) - { - nsf_bankswitch(0x5FF6, nsf->bankswitch_info[6]); - nsf_bankswitch(0x5FF7, nsf->bankswitch_info[7]); - } - - for (bank = 0; bank < 8; bank++) - nsf_bankswitch(0x5FF8 + bank, nsf->bankswitch_info[bank]); - } - else - { - /* not bankswitched, just page in our standard stuff */ - ASSERT(nsf->load_addr + nsf->length <= 0x10000); - - /* avoid ripper filth */ - for (bank = 0; bank < 8; bank++) - nsf_bankswitch(0x5FF8 + bank, bank); - - start_bank = nsf->load_addr >> 12; - num_banks = ((nsf->load_addr + nsf->length - 1) >> 12) - start_bank + 1; - - for (bank = 0; bank < num_banks; bank++) - nsf_bankswitch(0x5FF0 + start_bank + bank, bank); - } - - /* determine PAL/NTSC compatibility shite */ - if (nsf->pal_ntsc_bits & NSF_DEDICATED_PAL) - x_reg = 1; - else - x_reg = 0; - - /* execute 1 frame or so; let init routine run free */ - nsf_setup_routine(nsf->init_addr, (uint8) (nsf->current_song - 1), x_reg); - nes6502_execute((int) NES_FRAME_CYCLES); -} - -void nsf_frame(nsf_t *nsf) -{ - //nsf_setcontext(nsf); /* future expansion =) */ - - /* one frame of NES processing */ - nsf_setup_routine(nsf->play_addr, 0, 0); - nes6502_execute((int) NES_FRAME_CYCLES); -} - -/* Deallocate memory */ -static void nes_shutdown(nsf_t *nsf) -{ - int i; - - ASSERT(nsf); - - if (nsf->cpu) - { - if (nsf->cpu->mem_page[0]) - free(nsf->cpu->mem_page[0]); - for (i = 5; i <= 7; i++) - { - if (nsf->cpu->mem_page[i]) - free(nsf->cpu->mem_page[i]); - } - free(nsf->cpu); - } -} - -void nsf_init(void) -{ - nes6502_init(); -} - -/* Initialize NES CPU, hardware, etc. */ -static int nsf_cpuinit(nsf_t *nsf) -{ - int i; - - nsf->cpu = malloc(sizeof(nes6502_context)); - if (NULL == nsf->cpu) - return -1; - - memset(nsf->cpu, 0, sizeof(nes6502_context)); - - nsf->cpu->mem_page[0] = malloc(0x800); - if (NULL == nsf->cpu->mem_page[0]) - return -1; - - /* allocate some space for the NSF "player" MMC5 EXRAM, and WRAM */ - for (i = 5; i <= 7; i++) - { - nsf->cpu->mem_page[i] = malloc(0x1000); - if (NULL == nsf->cpu->mem_page[i]) - return -1; - } - - nsf->cpu->read_handler = nsf_readhandler; - nsf->cpu->write_handler = nsf_writehandler; - - return 0; -} - -static void nsf_setup(nsf_t *nsf) -{ - int i; - - nsf->current_song = nsf->start_song; - - if (nsf->pal_ntsc_bits & NSF_DEDICATED_PAL) - { - if (nsf->pal_speed) - nsf->playback_rate = 1000000 / nsf->pal_speed; - else - nsf->playback_rate = 50; /* 50 Hz */ - } - else - { - if (nsf->ntsc_speed) - nsf->playback_rate = 1000000 / nsf->ntsc_speed; - else - nsf->playback_rate = 60; /* 60 Hz */ - } - - nsf->bankswitched = FALSE; - - for (i = 0; i < 8; i++) - { - if (nsf->bankswitch_info[i]) - { - nsf->bankswitched = TRUE; - break; - } - } -} - -#ifdef HOST_LITTLE_ENDIAN -#define SWAP_16(x) (x) -#else /* !HOST_LITTLE_ENDIAN */ -#define SWAP_16(x) (((uint16) x >> 8) | (((uint16) x & 0xFF) << 8)) -#endif /* !HOST_LITTLE_ENDIAN */ - -/* Load a ROM image into memory */ -nsf_t *nsf_load(char *filename, void *source, int length) -{ - FILE *fp = NULL; - char *new_fn = NULL; - nsf_t *temp_nsf; - - if (NULL == filename && NULL == source) - return NULL; - - if (NULL == source) - { - fp = fopen(filename, "rb"); - - /* Didn't find the file? Maybe the .NSF extension was omitted */ - if (NULL == fp) - { - new_fn = malloc(strlen(filename) + 5); - if (NULL == new_fn) - return NULL; - strcpy(new_fn, filename); - - if (NULL == strrchr(new_fn, '.')) - strcat(new_fn, ".nsf"); - - fp = fopen(new_fn, "rb"); - - if (NULL == fp) - { - log_printf("could not find file '%s'\n", new_fn); - free(new_fn); - return NULL; - } - } - } - - temp_nsf = malloc(sizeof(nsf_t)); - if (NULL == temp_nsf) { - fclose(fp); - free(new_fn); - return NULL; - } - - /* Read in the header */ - if (NULL == source) - fread(temp_nsf, 1, NSF_HEADER_SIZE, fp); - else - memcpy(temp_nsf, source, NSF_HEADER_SIZE); - - if (memcmp(temp_nsf->id, NSF_MAGIC, 5)) - { - if (NULL == source) - { - log_printf("%s is not an NSF format file\n", new_fn); - fclose(fp); - free(new_fn); - } - nsf_free(&temp_nsf); - return NULL; - } - - /* fixup endianness */ - temp_nsf->load_addr = SWAP_16(temp_nsf->load_addr); - temp_nsf->init_addr = SWAP_16(temp_nsf->init_addr); - temp_nsf->play_addr = SWAP_16(temp_nsf->play_addr); - temp_nsf->ntsc_speed = SWAP_16(temp_nsf->ntsc_speed); - temp_nsf->pal_speed = SWAP_16(temp_nsf->pal_speed); - - /* we're now at position 80h */ - if (NULL == source) - { - fseek(fp, 0, SEEK_END); - temp_nsf->length = ftell(fp) - NSF_HEADER_SIZE; - } - else - { - temp_nsf->length = length - NSF_HEADER_SIZE; - } - - /* Allocate NSF space, and load it up! */ - temp_nsf->data = malloc(temp_nsf->length); - if (NULL == temp_nsf->data) - { - log_printf("error allocating memory for NSF data\n"); - nsf_free(&temp_nsf); - return NULL; - } - - /* seek to end of header, read in data */ - if (NULL == source) - { - fseek(fp, NSF_HEADER_SIZE, SEEK_SET); - fread(temp_nsf->data, temp_nsf->length, 1, fp); - - fclose(fp); - - if (new_fn) - free(new_fn); - } - else - memcpy(temp_nsf->data, (uint8 *) source + NSF_HEADER_SIZE, length - NSF_HEADER_SIZE); - - /* Set up some variables */ - nsf_setup(temp_nsf); - - temp_nsf->apu = NULL; /* just make sure */ - - if (nsf_cpuinit(temp_nsf)) - { - nsf_free(&temp_nsf); - return NULL; - } - - return temp_nsf; -} - -/* Free an NSF */ -void nsf_free(nsf_t **nsf) -{ - if (*nsf) - { - if ((*nsf)->apu) - apu_destroy((*nsf)->apu); - - nes_shutdown(*nsf); - - if ((*nsf)->data) - free((*nsf)->data); - - free(*nsf); - } -} - -void nsf_setchan(nsf_t *nsf, int chan, boolean enabled) -{ - if (nsf) - { - nsf_setcontext(nsf); - apu_setchan(chan, enabled); - } -} - -void nsf_playtrack(nsf_t *nsf, int track, int sample_rate, int sample_bits, boolean stereo) -{ - ASSERT(nsf); - - /* make this NSF the current context */ - nsf_setcontext(nsf); - - /* create the APU */ - if (nsf->apu) - apu_destroy(nsf->apu); - - nsf->apu = apu_create(sample_rate, nsf->playback_rate, sample_bits, stereo); - if (NULL == nsf->apu) - { - nsf_free(&nsf); - return; - } - - apu_setext(nsf->apu, nsf_getext(nsf)); - - /* go ahead and init all the read/write handlers */ - build_address_handlers(nsf); - - /* convenience? */ - nsf->process = nsf->apu->process; - - nes6502_setcontext(nsf->cpu); - - if (track > nsf->num_songs) - track = nsf->num_songs; - else if (track < 1) - track = 1; - - nsf->current_song = track; - - apu_reset(); - - nsf_inittune(nsf); -} - -void nsf_setfilter(nsf_t *nsf, int filter_type) -{ - if (nsf) - { - nsf_setcontext(nsf); - apu_setfilter(filter_type); - } -} - -/* -** $Log: nsf.c,v $ -** Revision 1.4 2006/09/26 00:52:17 dgp85 -** Free the filename string and close the file pointer when returning. -** -** Found by Coverity Scan. -** -** Revision 1.3 2003/08/25 21:51:43 f1rmb -** Reduce GCC verbosity (various prototype declaration fixes). ffmpeg, wine and fft*post are untouched (fft: for now). -** -** Revision 1.2 2003/01/09 18:36:40 jkeil -** memcpy copies too much, corrupts malloc heap -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.14 2000/07/05 14:54:45 matt -** fix for naughty Crystalis rip -** -** Revision 1.13 2000/07/04 04:59:38 matt -** removed DOS-specific stuff, fixed bug in address handlers -** -** Revision 1.12 2000/07/03 02:19:36 matt -** dynamic address range handlers, cleaner and faster -** -** Revision 1.11 2000/06/23 03:27:58 matt -** cleaned up external sound inteface -** -** Revision 1.10 2000/06/20 20:42:47 matt -** accuracy changes -** -** Revision 1.9 2000/06/20 00:05:58 matt -** changed to driver-based external sound generation -** -** Revision 1.8 2000/06/13 03:51:54 matt -** update API to take freq/sample data on nsf_playtrack -** -** Revision 1.7 2000/06/12 03:57:14 matt -** more robust checking for winamp plugin -** -** Revision 1.6 2000/06/12 01:13:00 matt -** added CPU/APU as members of the nsf struct -** -** Revision 1.5 2000/06/11 16:09:21 matt -** nsf_free is more robust -** -** Revision 1.4 2000/06/09 15:12:26 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/nsf.h b/src/libxineadec/nosefart/nsf.h deleted file mode 100644 index 79ec1dbb6..000000000 --- a/src/libxineadec/nosefart/nsf.h +++ /dev/null @@ -1,152 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** nsf.h -** -** NSF loading/saving related defines / prototypes -** $Id: nsf.h,v 1.3 2007/01/18 21:34:10 dgp85 Exp $ -*/ - -#ifndef _NSF_H_ -#define _NSF_H_ - -#include "osd.h" -#include "nes6502.h" -#include "nes_apu.h" - -#include "config.h" - -#define NSF_MAGIC "NESM\x1A" - -#define NSF_DEDICATED_PAL 0x01 -#define NSF_DUAL_PAL_NTSC 0x02 - -#define EXT_SOUND_NONE 0x00 -#define EXT_SOUND_VRCVI 0x01 -#define EXT_SOUND_VRCVII 0x02 -#define EXT_SOUND_FDS 0x04 -#define EXT_SOUND_MMC5 0x08 -#define EXT_SOUND_NAMCO106 0x10 -#define EXT_SOUND_SUNSOFT_FME07 0x20 -/* bits 6,7: future expansion */ - -#define NSF_HEADER_SIZE 0x80 - -/* 60 Hertz refresh (NTSC) */ -#define NES_MASTER_CLOCK 21477272.7272 -#define NTSC_REFRESH 60 -#define NTSC_SUBCARRIER_DIV 12 -#define NTSC_SCANLINES 262 - -#define NES_FRAME_CYCLES ((NES_MASTER_CLOCK / NTSC_SUBCARRIER_DIV) / NTSC_REFRESH) -#define NES_SCANLINE_CYCLES (NES_FRAME_CYCLES / NTSC_SCANLINES) - -/* filter levels */ -enum -{ - NSF_FILTER_NONE, - NSF_FILTER_LOWPASS, - NSF_FILTER_WEIGHTED -}; - -typedef struct nsf_s -{ - /* NESM header */ - uint8 id[5]; /* NESM\x1A */ - uint8 version; /* spec version */ - uint8 num_songs; /* total num songs */ - uint8 start_song; /* first song */ - uint16 load_addr; /* loc to load code */ - uint16 init_addr; /* init call address */ - uint16 play_addr; /* play call address */ - uint8 song_name[32]; /* name of song */ - uint8 artist_name[32]; /* artist name */ - uint8 copyright[32]; /* copyright info */ - uint16 ntsc_speed; /* playback speed (if NTSC) */ - uint8 bankswitch_info[8]; /* initial code banking */ - uint16 pal_speed; /* playback speed (if PAL) */ - uint8 pal_ntsc_bits; /* NTSC/PAL determination bits */ - uint8 ext_sound_type; /* type of external sound gen. */ - uint8 reserved[4]; /* reserved */ - - /* things that the NSF player needs */ - uint8 *data; /* actual NSF data */ - uint32 length; /* length of data */ - uint32 playback_rate; /* current playback rate */ - uint8 current_song; /* current song */ - boolean bankswitched; /* is bankswitched? */ - - /* CPU and APU contexts */ - nes6502_context *cpu; - apu_t *apu; - - /* our main processing routine, calls all external mixing routines */ - void (*process)(void *buffer, int num_samples); -} XINE_PACKED nsf_t; - -/* Function prototypes */ -extern void nsf_init(void); - -extern nsf_t *nsf_load(char *filename, void *source, int length); -extern void nsf_free(nsf_t **nsf_info); - -extern void nsf_playtrack(nsf_t *nsf, int track, int sample_rate, int sample_bits, - boolean stereo); -extern void nsf_frame(nsf_t *nsf); -extern void nsf_setchan(nsf_t *nsf, int chan, boolean enabled); -extern void nsf_setfilter(nsf_t *nsf, int filter_type); - -#endif /* _NSF_H_ */ - -/* -** $Log: nsf.h,v $ -** Revision 1.3 2007/01/18 21:34:10 dgp85 -** __attribute__(packed) is used on the struct, not on its members. -** -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.11 2000/07/04 04:59:24 matt -** removed DOS-specific stuff -** -** Revision 1.10 2000/07/03 02:19:36 matt -** dynamic address range handlers, cleaner and faster -** -** Revision 1.9 2000/06/23 03:27:58 matt -** cleaned up external sound inteface -** -** Revision 1.8 2000/06/20 04:04:37 matt -** moved external soundchip struct to apu module -** -** Revision 1.7 2000/06/20 00:05:45 matt -** changed to driver-based external sound generation -** -** Revision 1.6 2000/06/13 03:51:54 matt -** update API to take freq/sample data on nsf_playtrack -** -** Revision 1.5 2000/06/12 01:13:00 matt -** added CPU/APU as members of the nsf struct -** -** Revision 1.4 2000/06/09 15:12:26 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/osd.h b/src/libxineadec/nosefart/osd.h deleted file mode 100644 index 38b9480c7..000000000 --- a/src/libxineadec/nosefart/osd.h +++ /dev/null @@ -1,94 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** osd.h -** -** O/S dependent routine defintions (must be customized) -** $Id: osd.h,v 1.2 2003/07/12 12:31:14 mroi Exp $ -*/ - -#ifndef _OSD_H_ -#define _OSD_H_ - -#if defined(__GNUC__) || defined(__ICC) -#define PATH_SEP '/' -#ifdef __DJGPP__ -#include -#include "dos_ints.h" -#endif -#elif defined(WIN32) -#define PATH_SEP '\\' -#else /* crapintosh? */ -#define PATH_SEP ':' -#endif - -extern void osd_loginit(void); -extern void osd_logshutdown(void); -extern void osd_logprint(const char *string); - -extern int osd_startsound(void (*playfunc)(void *buffer, int size)); -extern int osd_getsoundbps(void); -extern int osd_getsamplerate(void); - - -#ifndef NSF_PLAYER -#include "rgb.h" -#include "bitmap.h" - -extern bitmap_t *osd_getvidbuf(void); -typedef void (*blitproc_t)(bitmap_t *bmp, int x_pos, int y_pos, int width, int height); -extern blitproc_t osd_blit; -extern void osd_copytoscreen(void); - -extern void osd_showusage(char *filename); -extern void osd_fullname(char *fullname, const char *shortname); -extern char *osd_newextension(char *string, char *ext); - -extern void osd_setpalette(rgb_t *pal); -extern void osd_restorepalette(void); - -extern void osd_getinput(void); -extern int osd_gethostinput(void); -extern void osd_getmouse(int *x, int *y, int *button); - -extern int osd_init(void); -extern void osd_shutdown(void); -#endif /* !NSF_PLAYER */ - -#endif /* _OSD_H_ */ - -/* -** $Log: osd.h,v $ -** Revision 1.2 2003/07/12 12:31:14 mroi -** - adding support for the Intel compiler icc -** - general multipass compilation make targets -** -** Revision 1.1 2003/01/08 07:04:35 tmmm -** initial import of Nosefart sources -** -** Revision 1.7 2000/07/04 04:45:33 matt -** moved INLINE define into types.h -** -** Revision 1.6 2000/06/29 16:06:18 neil -** Wrapped DOS-specific headers in an ifdef -** -** Revision 1.5 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/types.h b/src/libxineadec/nosefart/types.h deleted file mode 100644 index 01f196035..000000000 --- a/src/libxineadec/nosefart/types.h +++ /dev/null @@ -1,136 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** types.h -** -** Data type definitions -** $Id: types.h,v 1.4 2004/08/27 19:33:37 valtri Exp $ -*/ - -#ifndef _NOSEFART_TYPES_H_ -#define _NOSEFART_TYPES_H_ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* Define this if running on little-endian (x86) systems */ -#ifdef WORDS_BIGENDIAN -#undef HOST_LITTLE_ENDIAN -#else -#define HOST_LITTLE_ENDIAN -#endif - -#ifdef __GNUC__ -#define INLINE static inline -#elif defined(WIN32) -#define INLINE static __inline -#else /* crapintosh? */ -#define INLINE static -#endif - -/* These should be changed depending on the platform */ -typedef char int8; -typedef short int16; -typedef int int32; - -typedef unsigned char uint8; -typedef unsigned short uint16; -typedef unsigned int uint32; - -typedef uint8 boolean; - -#ifndef TRUE -#define TRUE 1 -#endif -#ifndef FALSE -#define FALSE 0 -#endif - -#ifndef NULL -#define NULL ((void *) 0) -#endif - -#ifdef NOFRENDO_DEBUG -#include -#include "memguard.h" -#include "log.h" -#define ASSERT(expr) if (FALSE == (expr))\ - {\ - log_printf("ASSERT: line %d of %s\n", __LINE__, __FILE__);\ - log_shutdown();\ - exit(1);\ - } -#define ASSERT_MSG(msg) {\ - log_printf("ASSERT: %s\n", msg);\ - log_shutdown();\ - exit(1);\ - } -#else /* Not debugging */ -#include "memguard.h" -#define ASSERT(expr) -#define ASSERT_MSG(msg) -#endif - -#endif /* _NOSEFART_TYPES_H_ */ - -/* -** $Log: types.h,v $ -** Revision 1.4 2004/08/27 19:33:37 valtri -** MINGW32 port. Engine library and most of plugins compiles now. -** -** List of some changes: -** - replaced some _MSC_VER by more common WIN32 -** - define INTLDIR, remove -static flag for included intl -** - shared more common CFLAGS with DEBUG_CFLAGS -** - use WIN32_CFLAGS for all building -** - separate some flags into THREAD_CFLAGS_CONFIG, -** THREAD_CFLAGS_CONFIG and ZLIB_LIB_CONFIG for public xine-config, -** automatically use internal libs if necessary -** - don't warn about missing X for mingw and cygwin -** - libw32dll disabled for WIN32 (making native loader would be -** interesting, or porting wine code to Windows? :->) -** - DVB and RTP disabled for WIN32, not ported yet -** - fix build and fix a warning in cdda -** - fix build for nosefart and libfaad -** - implement configure option --disable-freetype -** - sync libxine.pc and xine-config.in -** - add -liberty to goom under WIN32 -** - move original build files from included phread and zlib into archives -** and replace them by autotools -** -** Revision 1.3 2003/01/11 15:53:53 tmmm -** make the Nosefart engine aware of the config's WORDS_BIGENDIAN #define -** -** Revision 1.2 2003/01/09 19:50:04 jkeil -** NSF audio files were crashing on SPARC. -** -** - Define the correct HOST_ENDIAN for SPARC -** - remove unaligned memory accesses -** -** Revision 1.1 2003/01/08 07:04:36 tmmm -** initial import of Nosefart sources -** -** Revision 1.7 2000/07/04 04:46:44 matt -** moved INLINE define from osd.h -** -** Revision 1.6 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/version.h b/src/libxineadec/nosefart/version.h deleted file mode 100644 index d7dcb2e5d..000000000 --- a/src/libxineadec/nosefart/version.h +++ /dev/null @@ -1,59 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** version.h -** -** Program name / version definitions -** $Id: version.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#ifndef _VERSION_H_ -#define _VERSION_H_ - -#ifdef NSF_PLAYER -#define APP_STRING "Nosefart" -#else -#define APP_STRING "Nofrendo" -#endif /* NSF_PLAYER */ - -#define APP_VERSION "1.92" - -#endif /* _VERSION_H_ */ - -/* -** $Log: version.h,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:36 tmmm -** initial import of Nosefart sources -** -** Revision 1.7 2000/07/04 04:46:55 matt -** updated version number -** -** Revision 1.6 2000/06/20 00:03:39 matt -** updated for 1.91 -** -** Revision 1.5 2000/06/09 17:01:56 matt -** changed version to 1.90 -** -** Revision 1.4 2000/06/09 15:12:25 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/vrc7_snd.c b/src/libxineadec/nosefart/vrc7_snd.c deleted file mode 100644 index 42cff0103..000000000 --- a/src/libxineadec/nosefart/vrc7_snd.c +++ /dev/null @@ -1,347 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** vrc7_snd.c -** -** VRCVII sound hardware emulation -** Thanks to Charles MacDonald (cgfm2@hooked.net) for donating code. -** $Id: vrc7_snd.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#include -#include "types.h" -#include "vrc7_snd.h" -#include "fmopl.h" - - -static int buflen; -static int16 *buffer; - -#define OPL_WRITE(opl, r, d) \ -{ \ - OPLWrite((opl)->ym3812, 0, (r)); \ - OPLWrite((opl)->ym3812, 1, (d)); \ -} - -static vrc7_t vrc7; - -/* Fixed instrument settings, from MAME's YM2413 emulation */ -/* This might need some tweaking... */ -unsigned char table[16][11] = -{ - /* 20 23 40 43 60 63 80 83 E0 E3 C0 */ - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - - /* MAME */ - { 0x01, 0x22, 0x23, 0x07, 0xF0, 0xF0, 0x07, 0x18, 0x00, 0x00, 0x00 }, /* Violin */ - { 0x23, 0x01, 0x68, 0x05, 0xF2, 0x74, 0x6C, 0x89, 0x00, 0x00, 0x00 }, /* Acoustic Guitar(steel) */ - { 0x13, 0x11, 0x25, 0x00, 0xD2, 0xB2, 0xF4, 0xF4, 0x00, 0x00, 0x00 }, /* Acoustic Grand */ - { 0x22, 0x21, 0x1B, 0x05, 0xC0, 0xA1, 0x18, 0x08, 0x00, 0x00, 0x00 }, /* Flute */ - { 0x22, 0x21, 0x2C, 0x03, 0xD2, 0xA1, 0x18, 0x57, 0x00, 0x00, 0x00 }, /* Clarinet */ - { 0x01, 0x22, 0xBA, 0x01, 0xF1, 0xF1, 0x1E, 0x04, 0x00, 0x00, 0x00 }, /* Oboe */ - { 0x21, 0x21, 0x28, 0x06, 0xF1, 0xF1, 0x6B, 0x3E, 0x00, 0x00, 0x00 }, /* Trumpet */ - { 0x27, 0x21, 0x60, 0x00, 0xF0, 0xF0, 0x0D, 0x0F, 0x00, 0x00, 0x00 }, /* Church Organ */ - { 0x20, 0x21, 0x2B, 0x06, 0x85, 0xF1, 0x6D, 0x89, 0x00, 0x00, 0x00 }, /* French Horn */ - { 0x01, 0x21, 0xBF, 0x02, 0x53, 0x62, 0x5F, 0xAE, 0x01, 0x00, 0x00 }, /* Synth Voice */ - { 0x23, 0x21, 0x70, 0x07, 0xD4, 0xA3, 0x4E, 0x64, 0x01, 0x00, 0x00 }, /* Harpsichord */ - { 0x2B, 0x21, 0xA4, 0x07, 0xF6, 0x93, 0x5C, 0x4D, 0x00, 0x00, 0x00 }, /* Vibraphone */ - { 0x21, 0x23, 0xAD, 0x07, 0x77, 0xF1, 0x18, 0x37, 0x00, 0x00, 0x00 }, /* Synth Bass 1 */ - { 0x21, 0x21, 0x2A, 0x03, 0xF3, 0xE2, 0x29, 0x46, 0x00, 0x00, 0x00 }, /* Acoustic Bass */ - { 0x21, 0x23, 0x37, 0x03, 0xF3, 0xE2, 0x29, 0x46, 0x00, 0x00, 0x00 }, /* Electric Guitar(clean) */ - - -#if 0 - /* Horton, try 1 */ - { 0x05, 0x03, 0x10, 0x06, 0x74, 0xA1, 0x13, 0xF4, 0x00, 0x00, 0x00 }, - { 0x05, 0x01, 0x16, 0x00, 0xF9, 0xA2, 0x15, 0xF5, 0x00, 0x00, 0x00 }, - { 0x01, 0x41, 0x11, 0x00, 0xA0, 0xA0, 0x83, 0x95, 0x00, 0x00, 0x00 }, - { 0x01, 0x41, 0x17, 0x00, 0x60, 0xF0, 0x83, 0x95, 0x00, 0x00, 0x00 }, - { 0x24, 0x41, 0x1F, 0x00, 0x50, 0xB0, 0x94, 0x94, 0x00, 0x00, 0x00 }, - { 0x05, 0x01, 0x0B, 0x04, 0x65, 0xA0, 0x54, 0x95, 0x00, 0x00, 0x00 }, - { 0x11, 0x41, 0x0E, 0x04, 0x70, 0xC7, 0x13, 0x10, 0x00, 0x00, 0x00 }, - { 0x02, 0x44, 0x16, 0x06, 0xE0, 0xE0, 0x31, 0x35, 0x00, 0x00, 0x00 }, - { 0x48, 0x22, 0x22, 0x07, 0x50, 0xA1, 0xA5, 0xF4, 0x00, 0x00, 0x00 }, - { 0x05, 0xA1, 0x18, 0x00, 0xA2, 0xA2, 0xF5, 0xF5, 0x00, 0x00, 0x00 }, - { 0x07, 0x81, 0x2B, 0x05, 0xA5, 0xA5, 0x03, 0x03, 0x00, 0x00, 0x00 }, - { 0x01, 0x41, 0x08, 0x08, 0xA0, 0xA0, 0x83, 0x95, 0x00, 0x00, 0x00 }, - { 0x21, 0x61, 0x12, 0x00, 0x93, 0x92, 0x74, 0x75, 0x00, 0x00, 0x00 }, - { 0x21, 0x62, 0x21, 0x00, 0x84, 0x85, 0x34, 0x15, 0x00, 0x00, 0x00 }, - { 0x21, 0x62, 0x0E, 0x00, 0xA1, 0xA0, 0x34, 0x15, 0x00, 0x00, 0x00 }, -#endif - -#if 0 - /* Horton try 2 */ - { 0x31, 0x22, 0x23, 0x07, 0xF0, 0xF0, 0xE8, 0xF7, 0x00, 0x00, 0x00 }, - { 0x03, 0x31, 0x68, 0x05, 0xF2, 0x74, 0x79, 0x9C, 0x00, 0x00, 0x00 }, - { 0x01, 0x51, 0x72, 0x04, 0xF1, 0xD3, 0x9D, 0x8B, 0x00, 0x00, 0x00 }, - { 0x22, 0x61, 0x1B, 0x05, 0xC0, 0xA1, 0xF8, 0xE8, 0x00, 0x00, 0x00 }, - { 0x22, 0x61, 0x2C, 0x03, 0xD2, 0xA1, 0xA7, 0xE8, 0x00, 0x00, 0x00 }, - { 0x31, 0x22, 0xFA, 0x01, 0xF1, 0xF1, 0xF4, 0xEE, 0x00, 0x00, 0x00 }, - { 0x21, 0x61, 0x28, 0x06, 0xF1, 0xF1, 0xCE, 0x9B, 0x00, 0x00, 0x00 }, - { 0x27, 0x61, 0x60, 0x00, 0xF0, 0xF0, 0xFF, 0xFD, 0x00, 0x00, 0x00 }, - { 0x60, 0x21, 0x2B, 0x06, 0x85, 0xF1, 0x79, 0x9D, 0x00, 0x00, 0x00 }, - { 0x31, 0xA1, 0xFF, 0x0A, 0x53, 0x62, 0x5E, 0xAF, 0x00, 0x00, 0x00 }, - { 0x03, 0xA1, 0x70, 0x0F, 0xD4, 0xA3, 0x94, 0xBE, 0x00, 0x00, 0x00 }, - { 0x2B, 0x61, 0xE4, 0x07, 0xF6, 0x93, 0xBD, 0xAC, 0x00, 0x00, 0x00 }, - { 0x21, 0x63, 0xED, 0x07, 0x77, 0xF1, 0xC7, 0xE8, 0x00, 0x00, 0x00 }, - { 0x21, 0x61, 0x2A, 0x03, 0xF3, 0xE2, 0xB6, 0xD9, 0x00, 0x00, 0x00 }, - { 0x21, 0x63, 0x37, 0x03, 0xF3, 0xE2, 0xB6, 0xD9, 0x00, 0x00, 0x00 }, -#endif -}; - -static void vrc7_reset(void) -{ - int n; - - /* Point to current VRC7 context */ - vrc7_t *opll = &vrc7; - - /* Clear all YM3812 registers */ - for (n = 0; n < 0x100; n++) - OPL_WRITE(opll, n, 0x00); - - /* Turn off rhythm mode and key-on bits */ - OPL_WRITE(opll, 0xBD, 0xC0); - - /* Enable waveform select */ - OPL_WRITE(opll, 0x01, 0x20); -} - -static void vrc7_init(void) -{ - vrc7.ym3812 = OPLCreate(OPL_TYPE_YM3812, 3579545, apu_getcontext()->sample_rate); - ASSERT(vrc7.ym3812); - buflen = apu_getcontext()->num_samples; - buffer = malloc(buflen * 2); - ASSERT(buffer); - vrc7_reset(); -} - -static void vrc7_shutdown(void) -{ - vrc7_reset(); - OPLDestroy(vrc7.ym3812); - free(buffer); -} - -/* channel (0-9), instrument (0-F), volume (0-3F, YM3812 format) */ -static void load_instrument(uint8 ch, uint8 inst, uint8 vol) -{ - /* Point to current VRC7 context */ - vrc7_t *opll = &vrc7; - - /* Point to fixed instrument or user table */ - uint8 *param = (inst == 0) ? &opll->user[0] : &table[inst][0]; - - /* Maps channels to operator registers */ - uint8 ch2op[] = {0, 1, 2, 8, 9, 10, 16, 17, 18}; - - /* Make operator offset from requested channel */ - uint8 op = ch2op[ch]; - - /* Store volume level */ - opll->channel[ch].volume = (vol & 0x3F); - - /* Store instrument number */ - opll->channel[ch].instrument = (inst & 0x0F); - - /* Update instrument settings, except frequency registers */ - OPL_WRITE(opll, 0x20 + op, param[0]); - OPL_WRITE(opll, 0x23 + op, param[1]); - OPL_WRITE(opll, 0x40 + op, param[2]); - OPL_WRITE(opll, 0x43 + op, (param[3] & 0xC0) | opll->channel[ch].volume); - OPL_WRITE(opll, 0x60 + op, param[4]); - OPL_WRITE(opll, 0x63 + op, param[5]); - OPL_WRITE(opll, 0x80 + op, param[6]); - OPL_WRITE(opll, 0x83 + op, param[7]); - OPL_WRITE(opll, 0xE0 + op, param[8]); - OPL_WRITE(opll, 0xE3 + op, param[9]); - OPL_WRITE(opll, 0xC0 + ch, param[10]); -} - -static void vrc7_write(uint32 address, uint8 data) -{ - /* Point to current VRC7 context */ - vrc7_t *opll = &vrc7; - - if (address & 0x0020) /* data port */ - { - /* Store register data */ - opll->reg[opll->latch] = data; - - switch (opll->latch & 0x30) - { - case 0x00: /* User instrument registers */ - switch (opll->latch & 0x0F) - { - case 0x00: /* Misc. ctrl. (modulator) */ - case 0x01: /* Misc. ctrl. (carrier) */ - case 0x02: /* Key scale level and total level (modulator) */ - case 0x04: /* Attack / Decay (modulator) */ - case 0x05: /* Attack / Decay (carrier) */ - case 0x06: /* Sustain / Release (modulator) */ - case 0x07: /* Sustain / Release (carrier) */ - opll->user[(opll->latch & 0x07)] = data; - break; - - case 0x03: /* Key scale level, carrier/modulator waveform, feedback */ - - /* Key scale level (carrier) */ - /* Don't touch the total level (channel volume) */ - opll->user[3] = (opll->user[3] & 0x3F) | (data & 0xC0); - - /* Waveform select for the modulator */ - opll->user[8] = (data >> 3) & 1; - - /* Waveform select for the carrier */ - opll->user[9] = (data >> 4) & 1; - - /* Store feedback level in YM3812 format */ - opll->user[10] = ((data & 0x07) << 1) & 0x0E; - break; - } - - /* If the user instrument registers were accessed, then - go through each channel and update the ones that were - currently using the user instrument. We can skip the - last three channels in rhythm mode since they can - only use percussion sounds anyways. */ - if (opll->latch <= 0x05) - { - uint8 x; - - for (x = 0; x < 6; x++) - if (opll->channel[x].instrument == 0x00) - load_instrument(x, 0x00, opll->channel[x].volume); - } - break; - - case 0x10: /* Channel Frequency (LSB) */ - case 0x20: /* Channel Frequency (MSB) + key-on and sustain control */ - { - uint8 block; - uint16 frequency; - uint8 ch = (opll->latch & 0x0F); - - /* Ensure proper channel range */ - if (ch > 0x05) - break; - - /* Get VRC7 channel frequency */ - frequency = ((opll->reg[0x10 + ch] & 0xFF) | ((opll->reg[0x20 + ch] & 0x01) << 8)); - - /* Scale 9 bit frequency to 10 bits */ - frequency = (frequency << 1) & 0x1FFF; - - /* Get VRC7 block */ - block = (opll->reg[0x20 + ch] >> 1) & 7; - - /* Add in block */ - frequency |= (block << 10); - - /* Add key-on flag */ - if (opll->reg[0x20 + ch] & 0x10) - frequency |= 0x2000; - - /* Save current frequency/block/key-on setting */ - opll->channel[ch].frequency = (frequency & 0x3FFF); - - /* Write changes to YM3812 */ - OPL_WRITE(opll, 0xA0 + ch, (opll->channel[ch].frequency >> 0) & 0xFF); - OPL_WRITE(opll, 0xB0 + ch, (opll->channel[ch].frequency >> 8) & 0xFF); - } - break; - - case 0x30: /* Channel Volume Level and Instrument Select */ - - /* Ensure proper channel range */ - if (opll->latch > 0x35) - break; - - { - uint8 ch = (opll->latch & 0x0F); - uint8 inst = (data >> 4) & 0x0F; - uint8 vol = (data & 0x0F) << 2; - load_instrument(ch, inst, vol); - } - - break; - } - } - else /* Register latch */ - { - opll->latch = (data & 0x3F); - } -} - -static int32 vrc7_process(void) -{ - static int sample = 0; - - /* update a large chunk at once */ - if (sample >= buflen) - { - sample -= buflen; - YM3812UpdateOne(vrc7.ym3812, buffer, buflen); - } - - return (int32) ((int16 *) buffer)[sample++]; -} - -static apu_memwrite vrc7_memwrite[] = -{ - { 0x9010, 0x9010, vrc7_write }, - { 0x9030, 0x9030, vrc7_write }, - { -1, -1, NULL } -}; - -apuext_t vrc7_ext = -{ - vrc7_init, - vrc7_shutdown, - vrc7_reset, - vrc7_process, - NULL, /* no reads */ - vrc7_memwrite -}; - -/* -** $Log: vrc7_snd.c,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:36 tmmm -** initial import of Nosefart sources -** -** Revision 1.5 2000/07/04 04:51:02 matt -** made data types stricter -** -** Revision 1.4 2000/07/03 02:18:53 matt -** much better external module exporting -** -** Revision 1.3 2000/06/20 20:45:09 matt -** minor cleanups -** -** Revision 1.2 2000/06/20 04:06:16 matt -** migrated external sound definition to apu module -** -** Revision 1.1 2000/06/20 00:06:47 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/vrc7_snd.h b/src/libxineadec/nosefart/vrc7_snd.h deleted file mode 100644 index fd3880b63..000000000 --- a/src/libxineadec/nosefart/vrc7_snd.h +++ /dev/null @@ -1,70 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** vrc7_snd.h -** -** VRCVII (Konami MMC) sound hardware emulation header -** Thanks to Charles MacDonald (cgfm2@hooked.net) for donating code. -** -** $Id: vrc7_snd.h,v 1.1 2003/01/08 07:04:36 tmmm Exp $ -*/ - -#ifndef _VRC7_SND_H_ -#define _VRC7_SND_H_ - -#include "fmopl.h" - -/* VRC7 context */ -typedef struct vrc7_s -{ - uint8 reg[0x40]; /* 64 registers */ - uint8 latch; /* Register latch */ - uint8 user[0x10]; /* User instrument settings */ - struct - { - uint16 frequency; /* Channel frequency */ - uint8 volume; /* Channel volume */ - uint8 instrument; /* Channel instrument */ - } channel[9]; - - FM_OPL *ym3812; -} vrc7_t; - - -#include "nes_apu.h" - -extern apuext_t vrc7_ext; - -#endif /* !_VRC7_SND_H_ */ - -/* -** $Log: vrc7_snd.h,v $ -** Revision 1.1 2003/01/08 07:04:36 tmmm -** initial import of Nosefart sources -** -** Revision 1.3 2000/07/04 04:51:02 matt -** made data types stricter -** -** Revision 1.2 2000/06/20 04:06:16 matt -** migrated external sound definition to apu module -** -** Revision 1.1 2000/06/20 00:06:47 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/vrcvisnd.c b/src/libxineadec/nosefart/vrcvisnd.c deleted file mode 100644 index b1f26fe52..000000000 --- a/src/libxineadec/nosefart/vrcvisnd.c +++ /dev/null @@ -1,210 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** vrcvisnd.c -** -** VRCVI sound hardware emulation -** $Id: vrcvisnd.c,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#include "types.h" -#include "vrcvisnd.h" -#include "nes_apu.h" - - -static vrcvisnd_t vrcvi; -static int32 vrcvi_incsize; - -/* VRCVI rectangle wave generation */ -static int32 vrcvi_rectangle(vrcvirectangle_t *chan) -{ - /* reg0: 0-3=volume, 4-6=duty cycle - ** reg1: 8 bits of freq - ** reg2: 0-3=high freq, 7=enable - */ - - chan->phaseacc -= vrcvi_incsize; /* # of clocks per wave cycle */ - while (chan->phaseacc < 0) - { - chan->phaseacc += chan->freq; - chan->adder = (chan->adder + 1) & 0x0F; - } - - /* return if not enabled */ - if (FALSE == chan->enabled) - return 0; - - if (chan->adder < chan->duty_flip) - return -(chan->volume); - else - return chan->volume; -} - -/* VRCVI sawtooth wave generation */ -static int32 vrcvi_sawtooth(vrcvisawtooth_t *chan) -{ - /* reg0: 0-5=phase accumulator bits - ** reg1: 8 bits of freq - ** reg2: 0-3=high freq, 7=enable - */ - - chan->phaseacc -= vrcvi_incsize; /* # of clocks per wav cycle */ - while (chan->phaseacc < 0) - { - chan->phaseacc += chan->freq; - chan->output_acc += chan->volume; - - if (7 == ++chan->adder) - { - chan->adder = 0; - chan->output_acc = 0; - } - } - - /* return if not enabled */ - if (FALSE == chan->enabled) - return 0; - else - return (chan->output_acc >> 3) << 9; -} - -/* mix vrcvi sound channels together */ -static int32 vrcvi_process(void) -{ - int32 output; - - output = vrcvi_rectangle(&vrcvi.rectangle[0]); - output += vrcvi_rectangle(&vrcvi.rectangle[1]); - output += vrcvi_sawtooth(&vrcvi.saw); - - return output; -} - -/* write to registers */ -static void vrcvi_write(uint32 address, uint8 value) -{ - int chan; - - switch (address & 0xB003) - { - case 0x9000: - case 0xA000: - chan = (address >> 12) - 9; - vrcvi.rectangle[chan].reg[0] = value; - vrcvi.rectangle[chan].volume = (value & 0x0F) << 8; - vrcvi.rectangle[chan].duty_flip = (value >> 4) + 1; - break; - case 0x9001: - case 0xA001: - chan = (address >> 12) - 9; - vrcvi.rectangle[chan].reg[1] = value; - vrcvi.rectangle[chan].freq = APU_TO_FIXED(((vrcvi.rectangle[chan].reg[2] & 0x0F) << 8) + value + 1); - break; - case 0x9002: - case 0xA002: - chan = (address >> 12) - 9; - vrcvi.rectangle[chan].reg[2] = value; - vrcvi.rectangle[chan].freq = APU_TO_FIXED(((value & 0x0F) << 8) + vrcvi.rectangle[chan].reg[1] + 1); - vrcvi.rectangle[chan].enabled = (value & 0x80) ? TRUE : FALSE; - break; - case 0xB000: - vrcvi.saw.reg[0] = value; - vrcvi.saw.volume = value & 0x3F; - break; - case 0xB001: - vrcvi.saw.reg[1] = value; - vrcvi.saw.freq = APU_TO_FIXED((((vrcvi.saw.reg[2] & 0x0F) << 8) + value + 1) << 1); - break; - case 0xB002: - vrcvi.saw.reg[2] = value; - vrcvi.saw.freq = APU_TO_FIXED((((value & 0x0F) << 8) + vrcvi.saw.reg[1] + 1) << 1); - vrcvi.saw.enabled = (value & 0x80) ? TRUE : FALSE; - break; - default: - break; - } -} - -/* reset state of vrcvi sound channels */ -static void vrcvi_reset(void) -{ - int i; - - /* preload regs */ - for (i = 0; i < 3; i++) - { - vrcvi_write(0x9000 + i, 0); - vrcvi_write(0xA000 + i, 0); - vrcvi_write(0xB000 + i, 0); - } - - /* get the phase period from the apu */ - vrcvi_incsize = apu_getcyclerate(); -} - -static void vrcvi_dummy(void) -{ -} - -static apu_memwrite vrcvi_memwrite[] = -{ -// { 0x4040, 0x4092, ext_write }, /* FDS sound regs */ - { 0x9000, 0x9002, vrcvi_write }, /* vrc6 */ - { 0xA000, 0xA002, vrcvi_write }, - { 0xB000, 0xB002, vrcvi_write }, - { -1, -1, NULL } -}; - -apuext_t vrcvi_ext = -{ - vrcvi_dummy, /* no init */ - vrcvi_dummy, /* no shutdown */ - vrcvi_reset, - vrcvi_process, - NULL, /* no reads */ - vrcvi_memwrite -}; - -/* -** $Log: vrcvisnd.c,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:36 tmmm -** initial import of Nosefart sources -** -** Revision 1.9 2000/07/04 04:51:41 matt -** cleanups -** -** Revision 1.8 2000/07/03 02:18:53 matt -** much better external module exporting -** -** Revision 1.7 2000/06/20 04:06:16 matt -** migrated external sound definition to apu module -** -** Revision 1.6 2000/06/20 00:08:58 matt -** changed to driver based API -** -** Revision 1.5 2000/06/09 16:49:02 matt -** removed all floating point from sound generation -** -** Revision 1.4 2000/06/09 15:12:28 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nosefart/vrcvisnd.h b/src/libxineadec/nosefart/vrcvisnd.h deleted file mode 100644 index 7666fec0c..000000000 --- a/src/libxineadec/nosefart/vrcvisnd.h +++ /dev/null @@ -1,85 +0,0 @@ -/* -** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com) -** -** -** This program is free software; you can redistribute it and/or -** modify it under the terms of version 2 of the GNU Library General -** Public License as published by the Free Software Foundation. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** Library General Public License for more details. To obtain a -** copy of the GNU Library General Public License, write to the Free -** Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Any permitted reproduction of these routines, in whole or in part, -** must bear this legend. -** -** -** vrcvisnd.h -** -** VRCVI (Konami MMC) sound hardware emulation header -** $Id: vrcvisnd.h,v 1.2 2003/12/05 15:55:01 f1rmb Exp $ -*/ - -#ifndef _VRCVISND_H_ -#define _VRCVISND_H_ - -typedef struct vrcvirectangle_s -{ - uint8 reg[3]; - int32 phaseacc; - uint8 adder; - - int32 freq; - int32 volume; - uint8 duty_flip; - boolean enabled; -} vrcvirectangle_t; - -typedef struct vrcvisawtooth_s -{ - uint8 reg[3]; - int32 phaseacc; - uint8 adder; - uint8 output_acc; - - int32 freq; - uint8 volume; - boolean enabled; -} vrcvisawtooth_t; - -typedef struct vrcvisnd_s -{ - vrcvirectangle_t rectangle[2]; - vrcvisawtooth_t saw; -} vrcvisnd_t; - -#include "nes_apu.h" - -extern apuext_t vrcvi_ext; - -#endif /* _VRCVISND_H_ */ - -/* -** $Log: vrcvisnd.h,v $ -** Revision 1.2 2003/12/05 15:55:01 f1rmb -** cleanup phase II. use xprintf when it's relevant, use xine_xmalloc when it's relevant too. Small other little fix (can't remember). Change few internal function prototype because it xine_t pointer need to be used if some xine's internal sections. NOTE: libdvd{nav,read} is still too noisy, i will take a look to made it quit, without invasive changes. To be continued... -** -** Revision 1.1 2003/01/08 07:04:36 tmmm -** initial import of Nosefart sources -** -** Revision 1.7 2000/06/20 04:06:16 matt -** migrated external sound definition to apu module -** -** Revision 1.6 2000/06/20 00:08:58 matt -** changed to driver based API -** -** Revision 1.5 2000/06/09 16:49:02 matt -** removed all floating point from sound generation -** -** Revision 1.4 2000/06/09 15:12:28 matt -** initial revision -** -*/ diff --git a/src/libxineadec/nsf.c b/src/libxineadec/nsf.c index e646ca873..4af6fe878 100644 --- a/src/libxineadec/nsf.c +++ b/src/libxineadec/nsf.c @@ -36,8 +36,8 @@ #include "bswap.h" /* Nosefart includes */ -#include "nosefart/types.h" -#include "nosefart/nsf.h" +#include "types.h" +#include "nsf.h" typedef struct { audio_decoder_class_t decoder_class; -- cgit v1.2.3