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annotate cdimage.c @ 2116:cd057d6fe030

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Initial stab at subcode emulation
author Michael Pavone <pavone@retrodev.com>
date Sun, 06 Mar 2022 22:03:52 -0800
parents 2449c88cea36
children bb478feccca2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #include <ctype.h>
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2 #include <string.h>
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3
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4 #include "system.h"
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5 #include "util.h"
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6
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7 static char* cmd_start(char *cur)
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8 {
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9 while (*cur && isblank(*cur))
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10 {
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11 cur++;
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12 }
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13 return cur;
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14 }
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15
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16 static char* cmd_start_sameline(char *cur)
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17 {
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18 while (*cur && isblank(*cur) && *cur != '\n')
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19 {
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20 cur++;
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21 }
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22 return cur;
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23 }
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24
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25 static char* word_end(char *cur)
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26 {
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27 while (*cur && !isblank(*cur))
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28 {
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29 cur++;
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30 }
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31 return cur;
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32 }
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33
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34 static char* next_line(char *cur)
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35 {
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36 while (*cur && *cur != '\n')
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37 {
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38 cur++;
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39 }
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40 if (*cur) {
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41 return cur + 1;
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42 }
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43 return NULL;
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44 }
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45
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46 static char* next_blank(char *cur)
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47 {
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48 while (*cur && !isblank(*cur))
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49 {
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50 cur++;
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51 }
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52 return cur;
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53 }
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54
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55 static uint32_t timecode_to_lba(char *timecode)
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56 {
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57 char *end;
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58 int seconds = 0, frames = 0;
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59 int minutes = strtol(timecode, &end, 10);
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60 if (end) {
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61 timecode = end + 1;
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62 seconds = strtol(timecode, &end, 10);
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63 if (end) {
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64 timecode = end + 1;
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65 frames = strtol(timecode, NULL, 10);
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66 }
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67 }
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68 seconds += minutes * 60;
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69 return seconds * 75 + frames;
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70
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71 }
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72
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73 enum {
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74 FAKE_DATA = 1,
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75 FAKE_AUDIO,
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76 };
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77
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78 static uint8_t bin_seek(system_media *media, uint32_t sector)
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79 {
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80 media->cur_sector = sector;
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81 uint32_t lba = sector;
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82 uint32_t track;
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83 for (track = 0; track < media->num_tracks; track++)
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84 {
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85 if (lba < media->tracks[track].fake_pregap) {
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86 media->in_fake_pregap = media->tracks[track].type == TRACK_DATA ? FAKE_DATA : FAKE_AUDIO;
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87 break;
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88 }
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89 lba -= media->tracks[track].fake_pregap;
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90 if (lba < media->tracks[track].start_lba) {
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91 if (media->tracks[track].fake_pregap) {
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92 media->in_fake_pregap = media->tracks[track].type == TRACK_DATA ? FAKE_DATA : FAKE_AUDIO;
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93 } else {
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94 media->in_fake_pregap = 0;
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95 }
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96 break;
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97 }
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98 if (lba < media->tracks[track].end_lba) {
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99 media->in_fake_pregap = 0;
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100 break;
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101 }
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102 }
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103 if (track < media->num_tracks) {
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104 fprintf(stderr, "bin_seek to sector %u, adjusted lba %u, track %u\n", sector, lba, track);
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105 media->cur_track = track;
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106 if (!media->in_fake_pregap) {
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107 if (track) {
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108 lba -= media->tracks[track - 1].end_lba;
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109 }
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110 if (media->tracks[track].has_subcodes) {
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111 if (!media->tmp_buffer) {
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112 media->tmp_buffer = calloc(1, 96);
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113 }
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114 fseek(media->tracks[track].f, media->tracks[track].file_offset + (lba + 1) * media->tracks[track].sector_bytes - 96, SEEK_SET);
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115 int bytes = fread(media->tmp_buffer, 1, 96, media->tracks[track].f);
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116 if (bytes != 96) {
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117 fprintf(stderr, "Only read %d subcode bytes\n", bytes);
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118 }
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119 }
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120 fseek(media->tracks[track].f, media->tracks[track].file_offset + lba * media->tracks[track].sector_bytes, SEEK_SET);
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121 }
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122 }
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123 return track;
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124 }
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125
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126 static uint8_t fake_read(uint32_t sector, uint32_t offset)
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127 {
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128 if (!offset || (offset >= 16)) {
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129 return 0;
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130 //TODO: error detection and correction bytes
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131 } else if (offset < 12) {
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132 return 0xFF;
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133 } else if (offset == 12) {
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134 uint32_t minute = (sector / 75) / 60;
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135 return (minute % 10) | ((minute / 10 ) << 4);
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136 } else if (offset == 13) {
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137 uint32_t seconds = (sector / 75) % 60;
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parents: 2074
diff changeset
138 return (seconds % 10) | ((seconds / 10 ) << 4);
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parents: 2074
diff changeset
139 } 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
140 uint32_t frames = sector % 75;
3f29e2726522 Added basic support for ISO images for games that only have a data track
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parents: 2074
diff changeset
141 return (frames % 10) | ((frames / 10 ) << 4);
3f29e2726522 Added basic support for ISO images for games that only have a data track
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parents: 2074
diff changeset
142 } else {
3f29e2726522 Added basic support for ISO images for games that only have a data track
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parents: 2074
diff changeset
143 return 1;
3f29e2726522 Added basic support for ISO images for games that only have a data track
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parents: 2074
diff changeset
144 }
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 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
146
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 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
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parents: 2074
diff changeset
148 {
2080
bafb757e1cd2 Implement CD audio
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parents: 2079
diff changeset
149 if (media->in_fake_pregap == FAKE_DATA) {
2076
3f29e2726522 Added basic support for ISO images for games that only have a data track
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parents: 2074
diff changeset
150 return fake_read(media->cur_sector, offset);
2080
bafb757e1cd2 Implement CD audio
Michael Pavone <pavone@retrodev.com>
parents: 2079
diff changeset
151 } else if (media->in_fake_pregap == FAKE_AUDIO) {
bafb757e1cd2 Implement CD audio
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parents: 2079
diff changeset
152 return 0;
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
153 } else if ((media->tracks[media->cur_track].sector_bytes < 2352 && offset < 16) || offset > (media->tracks[media->cur_track].sector_bytes + 16)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
154 return fake_read(media->cur_sector, offset);
2076
3f29e2726522 Added basic support for ISO images for games that only have a data track
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parents: 2074
diff changeset
155 } else {
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
156 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
157 if (offset & 1) {
0db3af42dd72 Fix some byte order stuff for audio tracks
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parents: 2080
diff changeset
158 return media->byte_storage;
0db3af42dd72 Fix some byte order stuff for audio tracks
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parents: 2080
diff changeset
159 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
160 media->byte_storage = fgetc(media->tracks[media->cur_track].f);
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
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parents: 2080
diff changeset
161 }
2114
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parents: 2089
diff changeset
162 return fgetc(media->tracks[media->cur_track].f);
2076
3f29e2726522 Added basic support for ISO images for games that only have a data track
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parents: 2074
diff changeset
163 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
164 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
165
2116
cd057d6fe030 Initial stab at subcode emulation
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parents: 2114
diff changeset
166 static uint8_t bin_subcode_read(system_media *media, uint32_t offset)
cd057d6fe030 Initial stab at subcode emulation
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parents: 2114
diff changeset
167 {
cd057d6fe030 Initial stab at subcode emulation
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parents: 2114
diff changeset
168 if (media->in_fake_pregap || !media->tracks[media->cur_track].has_subcodes) {
cd057d6fe030 Initial stab at subcode emulation
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parents: 2114
diff changeset
169 //TODO: Fake PQ subcodes
cd057d6fe030 Initial stab at subcode emulation
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diff changeset
170 return 0;
cd057d6fe030 Initial stab at subcode emulation
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parents: 2114
diff changeset
171 }
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
172 //TODO: Translate "cooked" subcodes back to raw format
cd057d6fe030 Initial stab at subcode emulation
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parents: 2114
diff changeset
173 return media->tmp_buffer[offset];
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
174 }
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
175
2059
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
176 uint8_t parse_cue(system_media *media)
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
177 {
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
178 char *line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
179 media->num_tracks = 0;
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
180 do {
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
181 char *cmd = cmd_start(line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
182 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
184 media->num_tracks++;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
185 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
186 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
187 } else {
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
188 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
189 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
190 } while (line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
191 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
192 media->tracks = tracks;
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
193 line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
194 int track = -1;
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
195 uint8_t audio_byte_swap = 0;
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
196 FILE *f = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
197 int track_of_file = -1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
198 uint8_t has_index_0 = 0;
2059
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
199 do {
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
200 char *cmd = cmd_start(line);
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
201 if (*cmd) {
2059
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
202 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
203 track++;
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
204 track_of_file++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
205 has_index_0 = 0;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
206 cmd += 6;
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
207 char *end;
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
208 int file_track = strtol(cmd, &end, 10);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
209 if (file_track != (track + 1)) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
210 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
211 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
212 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
213
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
214
2059
6399a776e981 Add basic support for BIN/CUE images
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parents:
diff changeset
215 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
216 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
217 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
218 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
219 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
220 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
221 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
222 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
223 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
224 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
225 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
226 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
227 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
228 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
229 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
230 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
231 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
232 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
233 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
234
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
235 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
236 } 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
237 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
238 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
239 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
240 cmd++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
241 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
242 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
243 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
244 //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
245 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
246 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
247 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
248 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
249 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
250 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
251 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
252 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
253 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
254 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
255 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
256 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
257 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
258 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
259 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
260 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
261 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
262 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
263 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
264 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
265 if (!isspace(*end)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
266 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
267 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
268 } 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
269 audio_byte_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
270 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
271 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
272 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
273 break;
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
274 }
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
275 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
276 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
277 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
278 } else if (track >= 0) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
279 if (startswith(cmd, "PREGAP ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
280 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
281 } else if (startswith(cmd, "INDEX ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
282 char *after;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
283 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
284 uint8_t has_start_lba = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
285 uint32_t start_lba;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
286 if (!index) {
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
287 tracks[track].pregap_lba = start_lba = timecode_to_lba(after);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
288 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
289 has_start_lba = 1;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
290 } else if (index == 1) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
291 tracks[track].start_lba = timecode_to_lba(after);
2114
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 (!has_index_0) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
293 start_lba = tracks[track].start_lba;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
294 has_start_lba = 1;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
295 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
296 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
297 if (has_start_lba) {
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 (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
299 tracks[track-1].end_lba = start_lba;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
300 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
301 if (track_of_file > 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 tracks[track].file_offset = tracks[track-1].file_offset + tracks[track-1].end_lba * tracks[track-1].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
303 if (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
304 tracks[track].file_offset -= tracks[track-2].end_lba * tracks[track-1].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
305 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
306 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
307 tracks[track].file_offset = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
308 }
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
309 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
310 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
311 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
312 if (cmd && *cmd) {
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
313 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
314 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
315 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
316 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
317 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
318 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
319 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
320 } 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
321 if (media->num_tracks > 0 && media->tracks[0].f) {
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
322 //end of last track is implicitly defined by file size
2114
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 (tracks[media->num_tracks-1].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 uint32_t start_lba =tracks[media->num_tracks-1].pregap_lba ? tracks[media->num_tracks-1].pregap_lba : tracks[media->num_tracks-1].start_lba;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
325 tracks[media->num_tracks-1].end_lba = start_lba + (file_size(tracks[media->num_tracks-1].f) - tracks[media->num_tracks-1].file_offset)/ tracks[media->num_tracks-1].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
326 }
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
327 //replace cue sheet with first sector
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
328 free(media->buffer);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
329 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
330 if (tracks[0].type == TRACK_DATA && tracks[0].sector_bytes == 2352) {
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
331 // if the first track is a data track, don't trust the CUE sheet and look at the MM:SS:FF from first sector
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
332 uint8_t msf[3];
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
333 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
334 if (sizeof(msf) == fread(msf, 1, sizeof(msf), 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
335 tracks[0].fake_pregap = msf[2] + (msf[0] * 60 + msf[1]) * 75;
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
336 }
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
337 } else if (!tracks[0].start_lba && !tracks[0].fake_pregap) {
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
338 tracks[0].fake_pregap = 2 * 75;
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
339 }
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
340
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
341 fseek(tracks[0].f, tracks[0].sector_bytes >= 2352 ? 16 : 0, SEEK_SET);
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
342 media->size = fread(media->buffer, 1, 2048, tracks[0].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
343 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
344 media->read = bin_read;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
345 media->read_subcodes = bin_subcode_read;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
346 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
347 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
348 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
349 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
350 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
351
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
352 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
353 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
354 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
355 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
356 do {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
357 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
358 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
359 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
360 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
361 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
362 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
363 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
364 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
365 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
366 } 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
367 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
368 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
369 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
370 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
371 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
372 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
373 do {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
374 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
375 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
376 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
377 track++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
378 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
379 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
380 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
381 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
382 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
383 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
384 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
385 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
386 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
387 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
388 } 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
389 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
390 } 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
391 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
392 } 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
393 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
394 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
395 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
396 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
397 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
398 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
399 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
400 //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
401 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
402 tracks[track].sector_bytes += 96;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
403 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
404 } 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
405 tracks[track].sector_bytes += 96;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
406 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
407 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
408 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
409 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
410 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
411 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
412 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
413 } 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
414 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
415 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
416
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
417 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
418 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
419 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
420 cmd += 8;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
421 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
422 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
423 ++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
424 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
425 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
426 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
427 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
428 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
429 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
430 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
431 //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
432 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
433 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
434 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
435 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
436 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
437 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
438 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
439 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
440 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
441 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
442 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
443 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
444 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
445 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
446 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
447 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
448 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
449 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
450 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
451 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
452 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
453 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
454 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
455 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
456 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
457 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
458 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
459 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
460 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
461 tracks[track].file_offset += start * 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
462 cmd = next_blank(cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
463 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
464 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
465 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
466 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
467 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
468 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
469 long fsize = 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
470 tracks[track].end_lba += fsize - tracks[track].file_offset;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
471 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
472 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
473 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
474 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
475 } 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
476 cmd = cmd_start_sameline(cmd + 7);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
477 tracks[track].fake_pregap += 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
478 } 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
479 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
480 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
481 }
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 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
484 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
485 } else {
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 = NULL;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
487 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
488 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
489 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
490 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
491 } 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
492 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
493 //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
494 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
495 media->buffer = calloc(2048, 1);
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 (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
497 // 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
498 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
499 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
500 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
501 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
502 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
503 } else if (!tracks[0].start_lba && !tracks[0].fake_pregap) {
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[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
505 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
506
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
507 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
508 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
509 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
510 media->read = bin_read;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
511 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
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 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
514 media->type = valid ? MEDIA_CDROM : MEDIA_CART;
7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU
Michael Pavone <pavone@retrodev.com>
parents: 2059
diff changeset
515 return valid;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
516 }
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
517
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
518 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
519 {
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
520 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
521 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
522 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
523 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
524 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
525 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
526 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
527 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
528 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
529 .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
530 .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
531 .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
532 .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
533 .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
534 .sector_bytes = 2048,
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
535 .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
536 .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
537 .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
538 };
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
539 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
540 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
541 media->read = bin_read;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
542 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
543 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
544 }