repos/blastem: cdimage.c annotate

annotate cdimage.c @ 2688:b42f00a3a937 default tip

Fix default target. Ensure m68k.h and z80.h are built before anything else when no dep info is available

author	Michael Pavone <pavone@retrodev.com>
date	Mon, 31 Mar 2025 21:06:18 -0700
parents	1fdf7acc5165
children

rev	line source
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 #include <ctype.h>
2074 c5323c02dde4 Fix windows build error Michael Pavone <pavone@retrodev.com> parents: 2062 diff changeset	2 #include <string.h>
2215 a8af8d898a7c Fix windows build for real Michael Pavone <pavone@retrodev.com> parents: 2149 diff changeset	3 #include <stdlib.h>
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	4
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 #include "system.h"
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 #include "util.h"
2288 efc75ea79164 Support WAVE files in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2280 diff changeset	7 #include "wave.h"
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	8
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	9 uint8_t cdrom_scramble(uint16_t *lsfr, uint8_t data)
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	10 {
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	11 data ^= *lsfr;
2352 76dfad6a53b5 Fix bug in CD-ROM scrambling algorithm Michael Pavone <pavone@retrodev.com> parents: 2342 diff changeset	12 for (int i = 0; i < 8; i++)
76dfad6a53b5 Fix bug in CD-ROM scrambling algorithm Michael Pavone <pavone@retrodev.com> parents: 2342 diff changeset	13 {
76dfad6a53b5 Fix bug in CD-ROM scrambling algorithm Michael Pavone <pavone@retrodev.com> parents: 2342 diff changeset	14 uint16_t new_bit = *lsfr;
76dfad6a53b5 Fix bug in CD-ROM scrambling algorithm Michael Pavone <pavone@retrodev.com> parents: 2342 diff changeset	15 *lsfr >>= 1;
76dfad6a53b5 Fix bug in CD-ROM scrambling algorithm Michael Pavone <pavone@retrodev.com> parents: 2342 diff changeset	16 new_bit = (new_bit ^ *lsfr) & 1;
76dfad6a53b5 Fix bug in CD-ROM scrambling algorithm Michael Pavone <pavone@retrodev.com> parents: 2342 diff changeset	17 *lsfr \|= new_bit << 14;
76dfad6a53b5 Fix bug in CD-ROM scrambling algorithm Michael Pavone <pavone@retrodev.com> parents: 2342 diff changeset	18 }
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	19 return data;
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	20 }
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	21
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	22 static char* cmd_start(char *cur)
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	23 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	24 while (cur && isblank(cur))
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	25 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	26 cur++;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	27 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	28 return cur;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	29 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	30
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	31 static char* cmd_start_sameline(char *cur)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	32 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	33 while (cur && isblank(cur) && *cur != '\n')
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	34 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	35 cur++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	36 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	37 return cur;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	38 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	39
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	40 static char* word_end(char *cur)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	41 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	42 while (cur && !isblank(cur))
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	43 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	44 cur++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	45 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	46 return cur;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	47 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	48
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 static char* next_line(char *cur)
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	50 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	51 while (cur && cur != '\n')
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	52 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	53 cur++;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	54 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	55 if (*cur) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	56 return cur + 1;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	57 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	58 return NULL;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	59 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	60
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	61 static char* next_blank(char *cur)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	62 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	63 while (cur && !isblank(cur))
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	64 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	65 cur++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	66 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	67 return cur;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	68 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	69
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 static uint32_t timecode_to_lba(char *timecode)
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	71 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	72 char *end;
2149 9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	73 int seconds = 0, minutes = 0;
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	74 int frames = strtol(timecode, &end, 10);
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	75 if (end && *end == ':') {
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	76 timecode = end + 1;
2149 9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	77 seconds = frames;
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	78 frames = strtol(timecode, &end, 10);
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	79 if (end && *end == ':') {
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	80 minutes = seconds;
9209858b2f74 Fix a couple of bugs in the TOC file parser Michael Pavone <pavone@retrodev.com> parents: 2143 diff changeset	81 seconds = frames;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	82 timecode = end + 1;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	83 frames = strtol(timecode, NULL, 10);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	84 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	85 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	86 seconds += minutes * 60;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	87 return seconds * 75 + frames;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	88
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	89 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	90
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	91 enum {
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	92 FAKE_DATA = 1,
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	93 FAKE_AUDIO,
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	94 };
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	95
bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	96 static uint8_t bin_seek(system_media *media, uint32_t sector)
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	97 {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	98 media->cur_sector = sector;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	99 uint32_t lba = sector;
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	100 uint32_t track;
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	101 uint32_t rel;
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	102 for (track = 0; track < media->num_tracks; track++)
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	103 {
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	104 rel = lba - media->tracks[track].pregap_lba;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	105 if (rel < media->tracks[track].fake_pregap) {
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	106 media->in_fake_pregap = media->tracks[track].type == TRACK_DATA ? FAKE_DATA : FAKE_AUDIO;
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	107 break;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	108 }
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	109 if (lba < media->tracks[track].end_lba) {
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	110 media->in_fake_pregap = 0;
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	111 rel -= media->tracks[track].fake_pregap;
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	112 break;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	113 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	114 }
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	115 if (track < media->num_tracks) {
0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	116 media->cur_track = track;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	117 if (!media->in_fake_pregap) {
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	118 if (media->tracks[track].flac) {
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	119 flac_seek(media->tracks[track].flac, (media->tracks[track].file_offset + rel * media->tracks[track].sector_bytes) / 4);
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	120 } else {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	121 if (media->tracks[track].has_subcodes) {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	122 if (!media->tmp_buffer) {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	123 media->tmp_buffer = calloc(1, 96);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	124 }
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	125 fseek(media->tracks[track].f, media->tracks[track].file_offset + (rel + 1) * media->tracks[track].sector_bytes - 96, SEEK_SET);
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	126 int bytes = fread(media->tmp_buffer, 1, 96, media->tracks[track].f);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	127 if (bytes != 96) {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	128 fprintf(stderr, "Only read %d subcode bytes\n", bytes);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	129 }
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	130 }
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	131 fseek(media->tracks[track].f, media->tracks[track].file_offset + rel * media->tracks[track].sector_bytes, SEEK_SET);
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	132 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	133 }
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	134 if (media->tracks[track].type == TRACK_DATA) {
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	135 media->cdrom_scramble_lsfr = 1;
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	136 }
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	137 }
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	138 return track;
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	139 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	140
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	141 static uint8_t fake_read(uint32_t sector, uint32_t offset)
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	142 {
2142 d9151d0894c7 Fix some CD-ROM emulation issues Michael Pavone <pavone@retrodev.com> parents: 2140 diff changeset	143 if (!offset \|\| offset == 11 \|\| (offset >= 16)) {
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	144 return 0;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	145 //TODO: error detection and correction bytes
2142 d9151d0894c7 Fix some CD-ROM emulation issues Michael Pavone <pavone@retrodev.com> parents: 2140 diff changeset	146 } else if (offset < 11) {
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	147 return 0xFF;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	148 } else if (offset == 12) {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	149 uint32_t minute = (sector / 75) / 60;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	150 return (minute % 10) \| ((minute / 10 ) << 4);
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	151 } else if (offset == 13) {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	152 uint32_t seconds = (sector / 75) % 60;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	153 return (seconds % 10) \| ((seconds / 10 ) << 4);
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	154 } else if (offset == 14) {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	155 uint32_t frames = sector % 75;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	156 return (frames % 10) \| ((frames / 10 ) << 4);
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	157 } else {
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	158 return 1;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	159 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	160 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	161
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	162 static uint8_t bin_read(system_media *media, uint32_t offset)
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	163 {
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	164 uint8_t retval;
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	165 if (media->in_fake_pregap == FAKE_DATA) {
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	166 retval = fake_read(media->cur_sector, offset);
2080 bafb757e1cd2 Implement CD audio Michael Pavone <pavone@retrodev.com> parents: 2079 diff changeset	167 } else if (media->in_fake_pregap == FAKE_AUDIO) {
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	168 retval = 0;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	169 } else if ((media->tracks[media->cur_track].sector_bytes < 2352 && offset < 16) \|\| offset > (media->tracks[media->cur_track].sector_bytes + 16)) {
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	170 retval = fake_read(media->cur_sector, offset);
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	171 } else if (media->tracks[media->cur_track].flac) {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	172 if (offset & 3) {
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	173 retval = media->byte_storage[(offset & 3) - 1];
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	174 } else {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	175 int16_t samples[2];
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	176 flac_get_sample(media->tracks[media->cur_track].flac, samples, 2);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	177 media->byte_storage[0] = samples[0] >> 8;
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	178 media->byte_storage[1] = samples[1];
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	179 media->byte_storage[2] = samples[1] >> 8;
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	180 retval = samples[0];
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	181 }
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	182 } else {
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	183 if (media->tracks[media->cur_track].need_swap) {
0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	184 if (offset & 1) {
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	185 retval = media->byte_storage[0];
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	186 }
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	187 media->byte_storage[0] = fgetc(media->tracks[media->cur_track].f);
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	188 } else {
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	189 retval = fgetc(media->tracks[media->cur_track].f);
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	190 }
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	191 }
2342 9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	192 if (offset >= 12 && media->tracks[media->cur_track].type == TRACK_DATA) {
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	193 retval = cdrom_scramble(&media->cdrom_scramble_lsfr, retval);
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	194 }
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling Michael Pavone <pavone@retrodev.com> parents: 2298 diff changeset	195 return retval;
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	196 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	197
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	198 static uint8_t bin_subcode_read(system_media *media, uint32_t offset)
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	199 {
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	200 if (media->in_fake_pregap \|\| !media->tracks[media->cur_track].has_subcodes) {
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	201 //TODO: Fake PQ subcodes
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	202 return 0;
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	203 }
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	204 //TODO: Translate "cooked" subcodes back to raw format
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	205 return media->tmp_buffer[offset];
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	206 }
cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	207
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	208 static void print_toc(system_media *media)
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	209 {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	210 track_info * tracks = media->tracks;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	211 for (uint32_t i = 0; i < media->num_tracks; i++)
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	212 {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	213 uint32_t m,s,f;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	214 f = tracks[i].pregap_lba % 75;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	215 s = tracks[i].pregap_lba / 75;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	216 m = s / 60;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	217 s = s % 60;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	218 printf("Track %02u - Index 0 %02u:%02u:%02u, Index 1 ", i + 1, m, s, f);
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	219 f = tracks[i].start_lba % 75;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	220 s = tracks[i].start_lba / 75;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	221 m = s / 60;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	222 s = s % 60;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	223 printf("%02u:%02u:%02u, Fake Pregap: %u\n", m, s, f, tracks[i].fake_pregap);
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	224 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	225 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	226
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	227 uint8_t parse_cue(system_media *media)
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	228 {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	229 char *line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	230 media->num_tracks = 0;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	231 do {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	232 char *cmd = cmd_start(line);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	233 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	234 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	235 media->num_tracks++;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	236 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	237 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	238 } else {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	239 line = NULL;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	240 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	241 } while (line);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	242 track_info *tracks = calloc(sizeof(track_info), media->num_tracks);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	243 media->tracks = tracks;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	244 line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	245 int track = -1;
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	246 uint8_t audio_byte_swap = 0;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	247 FILE *f = NULL;
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	248 flac_file *flac = NULL;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	249 int track_of_file = -1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	250 uint8_t has_index_0 = 0;
2288 efc75ea79164 Support WAVE files in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2280 diff changeset	251 uint32_t extra_offset = 0;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	252 do {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	253 char *cmd = cmd_start(line);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	254 if (*cmd) {
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	255 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	256 track++;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	257 track_of_file++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	258 has_index_0 = 0;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	259 cmd += 6;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	260 char *end;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	261 int file_track = strtol(cmd, &end, 10);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	262 if (file_track != (track + 1)) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	263 warning("Expected track %d, but found track %d in CUE sheet\n", track + 1, file_track);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	264 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	265 tracks[track].f = f;
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	266 tracks[track].flac = flac;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	267
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	268 cmd = cmd_start(end);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	269 if (*cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	270 if (startswith(cmd, "AUDIO")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	271 tracks[track].type = TRACK_AUDIO;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	272 tracks[track].need_swap = audio_byte_swap;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	273 tracks[track].sector_bytes = 2352;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	274 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	275 tracks[track].type = TRACK_DATA;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	276 tracks[track].need_swap = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	277 tracks[track].sector_bytes = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	278 char *slash = strchr(cmd, '/');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	279 if (slash) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	280 tracks[track].sector_bytes = atoi(slash+1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	281 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	282 if (!tracks[track].sector_bytes) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	283 warning("Missing sector size for data track %d in cue", track + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	284 tracks[track].sector_bytes = 2352;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	285 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	286 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	287
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	288 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	289 } else if (startswith(cmd, "FILE ")) {
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	290 cmd += 5;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	291 cmd = strchr(cmd, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	292 if (cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	293 cmd++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	294 char *end = strchr(cmd, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	295 if (end) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	296 char *fname;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	297 //TODO: zipped BIN/CUE support
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	298 if (is_absolute_path(cmd)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	299 fname = malloc(end-cmd + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	300 memcpy(fname, cmd, end-cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	301 fname[end-cmd] = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	302 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	303 size_t dirlen = strlen(media->dir);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	304 fname = malloc(dirlen + 1 + (end-cmd) + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	305 memcpy(fname, media->dir, dirlen);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	306 fname[dirlen] = PATH_SEP[0];
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	307 memcpy(fname + dirlen + 1, cmd, end-cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	308 fname[dirlen + 1 + (end-cmd)] = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	309 }
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	310
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	311 if (track_of_file >= 0) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	312 long track_size = 0;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	313 if (flac) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	314 track_size = flac->total_samples * 4;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	315 } else if (f) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	316 track_size = file_size(f);
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	317 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	318 track_size -= tracks[track].file_offset;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	319 tracks[track].end_lba = tracks[track].pregap_lba + tracks[track].fake_pregap + track_size / tracks[track].sector_bytes;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	320 }
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	321 flac = NULL;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	322 f = fopen(fname, "rb");
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	323 if (!f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	324 fatal_error("Failed to open %s specified by FILE command in CUE sheet %s.%s\n", fname, media->name, media->extension);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	325 }
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	326
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	327 track_of_file = -1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	328 for (end++; end && end != '\n' && *end != '\r'; end++)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	329 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	330 if (!isspace(*end)) {
2288 efc75ea79164 Support WAVE files in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2280 diff changeset	331 extra_offset = 0;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	332 if (startswith(end, "BINARY")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	333 audio_byte_swap = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	334 } else if (startswith(end, "MOTOROLA")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	335 audio_byte_swap = 1;
2288 efc75ea79164 Support WAVE files in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2280 diff changeset	336 } else if (startswith(end, "WAVE")) {
efc75ea79164 Support WAVE files in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2280 diff changeset	337 audio_byte_swap = 0;
efc75ea79164 Support WAVE files in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2280 diff changeset	338 wave_header wave;
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	339 if (wave_read_header(f, &wave)) {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	340 if (wave.audio_format != 1 \|\| wave.num_channels != 2 \|\| wave.sample_rate != 44100 \|\| wave.bits_per_sample != 16) {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	341 warning("BlastEm only suports WAVE tracks in 16-bit stereo PCM format at 44100 hz, file %s does not match\n", fname);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	342 }
2613 1fdf7acc5165 Fix handling of wave files with additional RIFF chunks before the data chunk Michael Pavone <pavone@retrodev.com> parents: 2516 diff changeset	343 extra_offset = wave.data_offset;
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	344 } else {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	345 fseek(f, 0, SEEK_SET);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	346 flac = flac_file_from_file(f);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	347 if (!flac) {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	348 fatal_error("WAVE file %s in cue sheet %s.%s is neither a valid WAVE nor a valid FLAC file\n", fname, media->name, media->extension);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	349 }
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	350 if (flac->sample_rate != 44100 \|\| flac->bits_per_sample != 16 \|\| flac->channels != 2) {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	351 warning("FLAC files in a CUE sheet should match CD audio specs, %s does not\n", fname);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	352 }
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	353
2288 efc75ea79164 Support WAVE files in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2280 diff changeset	354 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	355 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	356 warning("Unsupported FILE type in CUE sheet. Only BINARY and MOTOROLA are supported\n");
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	357 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	358 break;
2089 0db3af42dd72 Fix some byte order stuff for audio tracks Michael Pavone <pavone@retrodev.com> parents: 2080 diff changeset	359 }
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	360 }
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	361 free(fname);
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	362 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	363 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	364 } else if (track >= 0) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	365 if (startswith(cmd, "PREGAP ")) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	366 tracks[track].fake_pregap = timecode_to_lba(cmd + 7);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	367 } else if (startswith(cmd, "INDEX ")) {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	368 char *after;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	369 int index = strtol(cmd + 6, &after, 10);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	370 uint8_t has_start_lba = 0;
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	371 uint32_t start_lba = timecode_to_lba(after);
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	372 if (!index) {
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	373 tracks[track].file_offset = start_lba * tracks[track].sector_bytes + extra_offset;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	374 if (track > 0) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	375 if (track_of_file > 0) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	376 //Previous track end is implicit based on this index position
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	377 uint32_t last_track_size = tracks[track].file_offset - tracks[track-1].file_offset;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	378 last_track_size /= tracks[track-1].sector_bytes;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	379 tracks[track-1].end_lba = tracks[track-1].pregap_lba + tracks[track-1].fake_pregap + last_track_size;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	380 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	381 tracks[track].pregap_lba = tracks[track-1].end_lba;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	382 } else {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	383 tracks[track].pregap_lba = 0;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	384 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	385 has_index_0 = 1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	386 has_start_lba = 1;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	387 } else if (index == 1) {
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	388 if (has_index_0) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	389 uint32_t real_pregap_size = start_lba * tracks[track].sector_bytes + extra_offset - tracks[track].file_offset;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	390 real_pregap_size /= tracks[track].sector_bytes;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	391 tracks[track].start_lba = tracks[track].pregap_lba + tracks[track].fake_pregap + real_pregap_size;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	392 } else {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	393 tracks[track].file_offset = start_lba * tracks[track].sector_bytes + extra_offset;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	394 if (track > 0) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	395 if (track_of_file > 0) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	396 //Previous track end is implicit based on this index position
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	397 uint32_t last_track_size = tracks[track].file_offset - tracks[track-1].file_offset;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	398 last_track_size /= tracks[track-1].sector_bytes;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	399 tracks[track-1].end_lba = tracks[track-1].pregap_lba + tracks[track-1].fake_pregap + last_track_size;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	400 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	401 tracks[track].pregap_lba = tracks[track-1].end_lba;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	402 tracks[track].start_lba = tracks[track].pregap_lba + tracks[track].fake_pregap;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	403 } else {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	404 tracks[track].pregap_lba = 0;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	405 if (!tracks[track].fake_pregap) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	406 if (tracks[track].type == TRACK_DATA && tracks[track].sector_bytes == 2352) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	407 //Infer pregap from position in sector header
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	408 fseek(f, start_lba + 12, SEEK_SET);
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	409 uint8_t timecode[3];
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	410 if (sizeof(timecode) == fread(timecode, 1, sizeof(timecode), f)) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	411 tracks[track].fake_pregap = (timecode[0] >> 4) * 600;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	412 tracks[track].fake_pregap += (timecode[0] & 0xF) * 60;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	413 tracks[track].fake_pregap += (timecode[1] >> 4) * 10;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	414 tracks[track].fake_pregap += timecode[1] & 0xF;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	415 tracks[track].fake_pregap *= 75;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	416 tracks[track].fake_pregap += (timecode[2] >> 4) * 10;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	417 tracks[track].fake_pregap += timecode[2] & 0xF;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	418 } else {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	419 fatal_error("Failed to read from CD image");
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	420 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	421 } else {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	422 //Just assume a 2-second pre-gap for first track
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	423 tracks[track].fake_pregap = 2 * 75;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	424 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	425 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	426 tracks[track].start_lba = tracks[track].fake_pregap;
2250 646d1797f20d Fix bug in CUE parser that caused regression in Bill Walsh College Football Michael Pavone <pavone@retrodev.com> parents: 2215 diff changeset	427 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	428 }
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	429 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	430 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	431 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	432 if (cmd && *cmd) {
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	433 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	434 } else {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	435 line = NULL;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	436 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	437 } else {
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	438 line = NULL;
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	439 }
6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	440 } while (line);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	441 if (media->num_tracks > 0 && media->tracks[0].f) {
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	442 //end of last track in a file is implictly based on file size
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	443 long track_size = 0;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	444 if (flac) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	445 track_size = flac->total_samples * 4;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	446 } else if (f) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	447 track_size = file_size(f);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	448 }
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	449 track_size -= tracks[track].file_offset;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	450 tracks[track].end_lba = tracks[track].pregap_lba + tracks[track].fake_pregap + track_size / tracks[track].sector_bytes;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	451
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	452 if (tracks[0].type == TRACK_DATA) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	453 //replace cue sheet with first sector
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	454 free(media->buffer);
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	455 media->buffer = calloc(2048, 1);
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	456 fseek(tracks[0].f, tracks[0].sector_bytes >= 2352 ? 16 : 0, SEEK_SET);
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	457 media->size = fread(media->buffer, 1, 2048, tracks[0].f);
2062 07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator Michael Pavone <pavone@retrodev.com> parents: 2061 diff changeset	458 }
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	459 media->seek = bin_seek;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	460 media->read = bin_read;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	461 media->read_subcodes = bin_subcode_read;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	462 }
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	463 print_toc(media);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	464 uint8_t valid = media->num_tracks > 0 && media->tracks[0].f != NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	465 media->type = valid ? MEDIA_CDROM : MEDIA_CART;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	466 return valid;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	467 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	468
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	469 uint8_t parse_toc(system_media *media)
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	470 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	471 char *line = media->buffer;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	472 media->num_tracks = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	473 do {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	474 char *cmd = cmd_start(line);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	475 if (cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	476 if (startswith(cmd, "TRACK ")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	477 media->num_tracks++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	478 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	479 line = next_line(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	480 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	481 line = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	482 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	483 } while (line);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	484 track_info *tracks = calloc(sizeof(track_info), media->num_tracks);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	485 media->tracks = tracks;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	486 line = media->buffer;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	487 char *last_file_name = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	488 FILE *f = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	489 int track = -1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	490 do {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	491 char *cmd = cmd_start(line);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	492 if (*cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	493 if (startswith(cmd, "TRACK ")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	494 track++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	495 cmd = cmd_start(cmd + 6);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	496 if (startswith(cmd, "AUDIO")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	497 tracks[track].type = TRACK_AUDIO;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	498 tracks[track].sector_bytes = 2352;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	499 tracks[track].need_swap = 1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	500 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	501 tracks[track].type = TRACK_DATA;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	502 tracks[track].need_swap = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	503 if (startswith(cmd, "MODE1_RAW") \|\| startswith(cmd, "MODE2_RAW")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	504 tracks[track].sector_bytes = 2352;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	505 } else if (startswith(cmd, "MODE2_FORM2")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	506 tracks[track].sector_bytes = 2324;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	507 } else if (startswith(cmd, "MODE1") \|\| startswith(cmd, "MODE2_FORM1")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	508 tracks[track].sector_bytes = 2048;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	509 } else if (startswith(cmd, "MODE2")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	510 tracks[track].sector_bytes = 2336;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	511 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	512 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	513 cmd = word_end(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	514 if (cmd && cmd != '\n') {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	515 cmd = cmd_start_sameline(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	516 if (cmd && cmd != '\n') {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	517 //TODO: record whether subcode is in raw format or not
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	518 if (startswith(cmd, "RW_RAW")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	519 tracks[track].sector_bytes += 96;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	520 tracks[track].has_subcodes = SUBCODES_RAW;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	521 } else if (startswith(cmd, "RW")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	522 tracks[track].sector_bytes += 96;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	523 tracks[track].has_subcodes = SUBCODES_COOKED;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	524 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	525 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	526 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	527 if (track) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	528 tracks[track].start_lba = tracks[track].pregap_lba = tracks[track].end_lba = tracks[track-1].end_lba;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	529 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	530 } else if (track >= 0) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	531 uint8_t is_datafile = startswith(cmd, "DATAFILE");
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	532 if (is_datafile \|\| startswith(cmd, "FILE")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	533
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	534 if (tracks[track].f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	535 warning("TOC file has more than one file for track %d, only one is supported\n", track + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	536 } else {
2140 6d0de02a068a Fix bug in TOC parser Michael Pavone <pavone@retrodev.com> parents: 2122 diff changeset	537 cmd += is_datafile ? 8 : 4;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	538 char *fname_start = strchr(cmd, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	539 if (fname_start) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	540 ++fname_start;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	541 char *fname_end = strchr(fname_start, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	542 if (fname_end) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	543 if (!last_file_name \|\| strncmp(last_file_name, fname_start, fname_end-fname_start)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	544 free(last_file_name);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	545 last_file_name = calloc(1, 1 + fname_end-fname_start);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	546 memcpy(last_file_name, fname_start, fname_end-fname_start);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	547 char *fname;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	548 //TODO: zipped BIN/TOC support
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	549 if (is_absolute_path(last_file_name)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	550 fname = last_file_name;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	551 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	552 size_t dirlen = strlen(media->dir);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	553 fname = malloc(dirlen + 1 + (fname_end-fname_start) + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	554 memcpy(fname, media->dir, dirlen);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	555 fname[dirlen] = PATH_SEP[0];
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	556 memcpy(fname + dirlen + 1, fname_start, fname_end-fname_start);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	557 fname[dirlen + 1 + (fname_end-fname_start)] = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	558 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	559 f = fopen(fname, "rb");
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	560 if (!f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	561 fatal_error("Failed to open %s specified by DATAFILE command in TOC file %s.%s\n", fname, media->name, media->extension);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	562 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	563 if (fname != last_file_name) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	564 free(fname);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	565 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	566 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	567 tracks[track].f = f;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	568 cmd = fname_end + 1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	569 cmd = cmd_start_sameline(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	570 if (*cmd == '#') {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	571 char *end;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	572 tracks[track].file_offset = strtol(cmd + 1, &end, 10);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	573 cmd = cmd_start_sameline(end);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	574 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	575 if (!is_datafile) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	576 if (isdigit(*cmd)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	577 uint32_t start = timecode_to_lba(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	578 tracks[track].file_offset += start * tracks[track].sector_bytes;
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	579 cmd = cmd_start_sameline(word_end(cmd));
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	580 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	581 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	582 if (isdigit(*cmd)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	583 uint32_t length = timecode_to_lba(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	584 tracks[track].end_lba += length;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	585 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	586 long fsize = file_size(f);
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	587 tracks[track].end_lba += (fsize - tracks[track].file_offset) / tracks[track].sector_bytes;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	588 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	589 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	590 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	591 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	592 } else if (startswith(cmd, "SILENCE")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	593 cmd = cmd_start_sameline(cmd + 7);
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	594 uint32_t length = timecode_to_lba(cmd);
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	595 tracks[track].fake_pregap += length;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	596 tracks[track].end_lba += length;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	597 } else if (startswith(cmd, "START")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	598 cmd = cmd_start_sameline(cmd + 5);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	599 tracks[track].start_lba = tracks[track].pregap_lba + timecode_to_lba(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	600 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	601 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	602 if (cmd && *cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	603 line = next_line(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	604 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	605 line = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	606 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	607 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	608 line = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	609 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	610 } while (line);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	611 if (media->num_tracks > 0 && media->tracks[0].f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	612 //replace cue sheet with first sector
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	613 free(media->buffer);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	614 media->buffer = calloc(2048, 1);
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	615 uint32_t old_fake_pregap = tracks[0].fake_pregap;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	616 if (tracks[0].type == TRACK_DATA && tracks[0].sector_bytes == 2352) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	617 // if the first track is a data track, don't trust the TOC file and look at the MM:SS:FF from first sector
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	618 uint8_t msf[3];
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	619 fseek(tracks[0].f, 12, SEEK_SET);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	620 if (sizeof(msf) == fread(msf, 1, sizeof(msf), tracks[0].f)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	621 tracks[0].fake_pregap = msf[2] + (msf[0] * 60 + msf[1]) * 75;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	622 }
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	623 } else if (!tracks[0].fake_pregap) {
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	624 tracks[0].fake_pregap = 2 * 75;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	625 }
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	626 if (tracks[0].fake_pregap != old_fake_pregap) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	627 if (!tracks[0].start_lba) {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	628 tracks[0].start_lba = tracks[0].fake_pregap;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	629 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	630 uint32_t diff = tracks[0].fake_pregap - old_fake_pregap;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	631 tracks[0].end_lba += diff;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	632 for (uint32_t i = 1; i < media->num_tracks; i++)
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	633 {
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	634 tracks[i].pregap_lba += diff;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	635 tracks[i].start_lba += diff;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	636 tracks[i].end_lba += diff;
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	637 }
69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	638 }
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	639
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	640 fseek(tracks[0].f, tracks[0].sector_bytes == 2352 ? 16 : 0, SEEK_SET);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	641 media->size = fread(media->buffer, 1, 2048, tracks[0].f);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	642 media->seek = bin_seek;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	643 media->read = bin_read;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	644 media->read_subcodes = bin_subcode_read;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	645 }
2516 69c28808b49a Fix some TOC/CUE parser bugs and simplify how "fake" pregap is handled Michael Pavone <pavone@retrodev.com> parents: 2352 diff changeset	646 print_toc(media);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	647 uint8_t valid = media->num_tracks > 0 && media->tracks[0].f != NULL;
2061 7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU Michael Pavone <pavone@retrodev.com> parents: 2059 diff changeset	648 media->type = valid ? MEDIA_CDROM : MEDIA_CART;
7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU Michael Pavone <pavone@retrodev.com> parents: 2059 diff changeset	649 return valid;
2059 6399a776e981 Add basic support for BIN/CUE images Michael Pavone <pavone@retrodev.com> parents: diff changeset	650 }
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	651
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	652 uint32_t make_iso_media(system_media media, const char filename)
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	653 {
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	654 FILE *f = fopen(filename, "rb");
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	655 if (!f) {
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	656 return 0;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	657 }
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	658 media->buffer = calloc(2048, 1);
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	659 media->size = fread(media->buffer, 1, 2048, f);
2079 5a2b759f6b2d BIOS doesn't like it if TOC read happens too quickly Michael Pavone <pavone@retrodev.com> parents: 2076 diff changeset	660 media->num_tracks = 1;
5a2b759f6b2d BIOS doesn't like it if TOC read happens too quickly Michael Pavone <pavone@retrodev.com> parents: 2076 diff changeset	661 media->tracks = calloc(sizeof(track_info), 1);
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	662 media->tracks[0] = (track_info){
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	663 .f = f,
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	664 .file_offset = 0,
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	665 .fake_pregap = 2 * 75,
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	666 .start_lba = 0,
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	667 .end_lba = file_size(f),
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	668 .sector_bytes = 2048,
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	669 .has_subcodes = SUBCODES_NONE,
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	670 .need_swap = 0,
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	671 .type = TRACK_DATA
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	672 };
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	673 media->type = MEDIA_CDROM;
2114 2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	674 media->seek = bin_seek;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files Michael Pavone <pavone@retrodev.com> parents: 2089 diff changeset	675 media->read = bin_read;
2116 cd057d6fe030 Initial stab at subcode emulation Michael Pavone <pavone@retrodev.com> parents: 2114 diff changeset	676 media->read_subcodes = bin_subcode_read;
2076 3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	677 return media->size;
3f29e2726522 Added basic support for ISO images for games that only have a data track Michael Pavone <pavone@retrodev.com> parents: 2074 diff changeset	678 }
2280 9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	679
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	680 void cdimage_serialize(system_media media, serialize_buffer buf)
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	681 {
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	682 if (media->type != MEDIA_CDROM) {
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	683 return;
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	684 }
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	685 save_int32(buf, media->cur_track);
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	686 save_int32(buf, media->cur_sector);
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	687 if (media->cur_track < media->num_tracks && media->tracks[media->cur_track].f) {
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	688 save_int32(buf, ftell(media->tracks[media->cur_track].f));
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	689 } else {
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	690 save_int32(buf, 0);
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	691 }
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	692 save_int8(buf, media->in_fake_pregap);
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	693 save_int8(buf, media->byte_storage[0]);
2280 9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	694 if (media->tmp_buffer) {
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	695 save_buffer8(buf, media->tmp_buffer, 96);
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	696 }
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	697 save_int8(buf, media->byte_storage[1]);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	698 save_int8(buf, media->byte_storage[2]);
2280 9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	699 }
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	700
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	701 void cdimage_deserialize(deserialize_buffer buf, void vmedia)
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	702 {
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	703 system_media *media = vmedia;
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	704 if (media->type != MEDIA_CDROM) {
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	705 return;
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	706 }
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	707 media->cur_track = load_int32(buf);
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	708 media->cur_sector = load_int32(buf);
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	709 uint32_t seekpos = load_int32(buf);
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	710 if (media->cur_track < media->num_tracks && media->tracks[media->cur_track].f) {
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	711 fseek(media->tracks[media->cur_track].f, seekpos, SEEK_SET);
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	712 }
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	713 media->in_fake_pregap = load_int8(buf);
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	714 media->byte_storage[0] = load_int8(buf);
2280 9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	715 if (media->tmp_buffer) {
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	716 load_buffer8(buf, media->tmp_buffer, 96);
9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	717 }
2298 9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	718 if (buf->size - buf->cur_pos >= 2) {
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	719 media->byte_storage[1] = load_int8(buf);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	720 media->byte_storage[2] = load_int8(buf);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets Michael Pavone <pavone@retrodev.com> parents: 2288 diff changeset	721 }
2280 9ead0fe69d9b Implement savestate support for Sega CD Michael Pavone <pavone@retrodev.com> parents: 2250 diff changeset	722 }

Mercurial > repos > blastem

annotate cdimage.c @ 2688:b42f00a3a937 default tip