diff options
| -rw-r--r-- | src/spu_dec/cc_decoder.c | 67 |
1 files changed, 45 insertions, 22 deletions
diff --git a/src/spu_dec/cc_decoder.c b/src/spu_dec/cc_decoder.c index 2ddd5e102..7da2802f2 100644 --- a/src/spu_dec/cc_decoder.c +++ b/src/spu_dec/cc_decoder.c @@ -230,9 +230,51 @@ static const char specialchar[] = { 234 /* ê */, 238 /* î */, 244 /* ô */, 251 /* û */ }; -/* character translation table - EIA 608 codes are not all the same as ASCII */ -static char chartbl[128]; - +/** + * @brief Character translation table + * + * EIA 608 codes are not all the same as ASCII + * + * The code to produce the characters table would be the following: + * + * static void build_char_table(void) + * { + * int i; + * // first the normal ASCII codes + * for (i = 0; i < 128; i++) + * chartbl[i] = (char) i; + * // now the special codes + * chartbl[0x2a] = 225; // á + * chartbl[0x5c] = 233; // é + * chartbl[0x5e] = 237; // í + * chartbl[0x5f] = 243; // ó + * chartbl[0x60] = 250; // ú + * chartbl[0x7b] = 231; // ç + * chartbl[0x7c] = 247; // ÷ + * chartbl[0x7d] = 209; // Ñ + * chartbl[0x7e] = 241; // ñ + * chartbl[0x7f] = 164; // ¤ FIXME: should be a solid block ('█'; U+2588) + * } + * + */ +static const int chartbl[128] = { + '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', + '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f', + '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', + '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f', + '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', + '\x28', '\x29', '\xe1', '\x2b', '\x2c', '\x2d', '\x2e', '\x2f', + '\x30', '\x31', '\x32', '\x33', '\x34', '\x35', '\x36', '\x37', + '\x38', '\x39', '\x3a', '\x3b', '\x3c', '\x3d', '\x3e', '\x3f', + '\x40', '\x41', '\x42', '\x43', '\x44', '\x45', '\x46', '\x47', + '\x48', '\x49', '\x4a', '\x4b', '\x4c', '\x4d', '\x4e', '\x4f', + '\x50', '\x51', '\x52', '\x53', '\x54', '\x55', '\x56', '\x57', + '\x58', '\x59', '\x5a', '\x5b', '\xe9', '\x5d', '\xed', '\xf3', + '\xfa', '\x61', '\x62', '\x63', '\x64', '\x65', '\x66', '\x67', + '\x68', '\x69', '\x6a', '\x6b', '\x6c', '\x6d', '\x6e', '\x6f', + '\x70', '\x71', '\x72', '\x73', '\x74', '\x75', '\x76', '\x77', + '\x78', '\x79', '\x7a', '\xe7', '\xf7', '\xd1', '\xf1', '\xa4' +}; /** * @brief Parity table for packets @@ -443,24 +485,6 @@ static int good_parity(uint16_t data) } -static void build_char_table(void) -{ - int i; - /* first the normal ASCII codes */ - for (i = 0; i < 128; i++) - chartbl[i] = (char) i; - /* now the special codes */ - chartbl[0x2a] = 225; /* á */ - chartbl[0x5c] = 233; /* é */ - chartbl[0x5e] = 237; /* í */ - chartbl[0x5f] = 243; /* ó */ - chartbl[0x60] = 250; /* ú */ - chartbl[0x7b] = 231; /* ç */ - chartbl[0x7c] = 247; /* ÷ */ - chartbl[0x7d] = 209; /* Ñ */ - chartbl[0x7e] = 241; /* ñ */ - chartbl[0x7f] = 164; /* ¤ FIXME: should be a solid block ('█'; U+2588) */ -} static clut_t interpolate_color(clut_t src, clut_t dest, int steps, @@ -1499,6 +1523,5 @@ void cc_decoder_close(cc_decoder_t *this) void cc_decoder_init(void) { - build_char_table(); } |