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Diffstat (limited to 'src/libxineadec/nosefart/nsf.h')
| -rw-r--r-- | src/libxineadec/nosefart/nsf.h | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/src/libxineadec/nosefart/nsf.h b/src/libxineadec/nosefart/nsf.h deleted file mode 100644 index 356c187a3..000000000 --- a/src/libxineadec/nosefart/nsf.h +++ /dev/null @@ -1,184 +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" - -#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, - NSF_FILTER_MAX, /* $$$ ben : add this one for range chacking */ -}; - -typedef struct nsf_s -{ - /* NESM header */ - uint8 id[5]; /* NESM\x1A */ - uint8 version; /* spec version */ - uint8 num_songs; /* total num songs */ - uint8 start_song; /* first song */ - uint16 load_addr; /* loc to load code */ - uint16 init_addr; /* init call address */ - uint16 play_addr; /* play call address */ - uint8 song_name[32]; /* name of song */ - uint8 artist_name[32]; /* artist name */ - uint8 copyright[32]; /* copyright info */ - uint16 ntsc_speed; /* playback speed (if NTSC) */ - uint8 bankswitch_info[8]; /* initial code banking */ - uint16 pal_speed; /* playback speed (if PAL) */ - uint8 pal_ntsc_bits; /* NTSC/PAL determination bits */ - uint8 ext_sound_type; /* type of external sound gen. */ - uint8 reserved[4]; /* reserved */ - - /* things that the NSF player needs */ - uint8 *data; /* actual NSF data */ - uint32 length; /* length of data */ - uint32 playback_rate; /* current playback rate */ - uint8 current_song; /* current song */ - boolean bankswitched; /* is bankswitched? */ - - /* $$$ ben : Playing time ... */ - uint32 cur_frame; - uint32 cur_frame_end; - uint32 * song_frames; - - /* $$$ ben : Last error string */ - const char * errstr; - - /* CPU and APU contexts */ - nes6502_context *cpu; - apu_t *apu; - - /* our main processing routine, calls all external mixing routines */ - void (*process)(void *buffer, int num_samples); -} __PACKED__ nsf_t; - -/* $$$ ben : Generic loader struct */ -struct nsf_loader_t { - /* Init and open. */ - int (*open)(struct nsf_loader_t * loader); - - /* Close and shutdown. */ - void (*close) (struct nsf_loader_t * loader); - - /* This function should return <0 on error, else the number of byte NOT read. - * that way a simple 0 test tell us if read was complete. - */ - int (*read) (struct nsf_loader_t * loader, void *data, int n); - - /* Get file length. */ - int (*length) (struct nsf_loader_t * loader); - - /* Skip n bytes. */ - int (*skip) (struct nsf_loader_t * loader,int n); - - /* Get filename (for debug). */ - const char * (*fname) (struct nsf_loader_t * loader); - -}; - -/* Function prototypes */ -extern int nsf_init(void); - -extern nsf_t * nsf_load_extended(struct nsf_loader_t * loader); -extern nsf_t *nsf_load(const char *filename, void *source, int length); -extern void nsf_free(nsf_t **nsf_info); - -extern int nsf_playtrack(nsf_t *nsf, int track, int sample_rate, - int sample_bits, boolean stereo); -extern void nsf_frame(nsf_t *nsf); -extern int nsf_setchan(nsf_t *nsf, int chan, boolean enabled); -extern int nsf_setfilter(nsf_t *nsf, int filter_type); - -#endif /* _NSF_H_ */ - -/* -** $Log: nsf.h,v $ -** Revision 1.3 2003/05/01 22:34:20 benjihan -** New NSF plugin -** -** Revision 1.2 2003/04/09 14:50:32 ben -** Clean NSF api. -** -** Revision 1.1 2003/04/08 20:53:00 ben -** Adding more files... -** -** 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 -** -*/ |