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Fix bug in MED mapper protection bit implementation
author Michael Pavone <pavone@retrodev.com>
date Sun, 28 Apr 2024 23:33:11 -0700
parents 76dfad6a53b5
children
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1 #include <ctype.h>
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2 #include <string.h>
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3 #include <stdlib.h>
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4
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5 #include "system.h"
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6 #include "util.h"
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7 #include "wave.h"
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8
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9 uint8_t cdrom_scramble(uint16_t *lsfr, uint8_t data)
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10 {
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11 data ^= *lsfr;
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12 for (int i = 0; i < 8; i++)
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13 {
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14 uint16_t new_bit = *lsfr;
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15 *lsfr >>= 1;
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16 new_bit = (new_bit ^ *lsfr) & 1;
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17 *lsfr |= new_bit << 14;
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18 }
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19 return data;
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20 }
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21
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22 static char* cmd_start(char *cur)
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23 {
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24 while (*cur && isblank(*cur))
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25 {
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26 cur++;
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27 }
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28 return cur;
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29 }
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30
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31 static char* cmd_start_sameline(char *cur)
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32 {
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33 while (*cur && isblank(*cur) && *cur != '\n')
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34 {
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35 cur++;
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36 }
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37 return cur;
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38 }
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39
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40 static char* word_end(char *cur)
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41 {
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42 while (*cur && !isblank(*cur))
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43 {
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44 cur++;
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45 }
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46 return cur;
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47 }
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48
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49 static char* next_line(char *cur)
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50 {
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51 while (*cur && *cur != '\n')
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52 {
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53 cur++;
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54 }
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55 if (*cur) {
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56 return cur + 1;
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57 }
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58 return NULL;
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59 }
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60
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61 static char* next_blank(char *cur)
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62 {
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63 while (*cur && !isblank(*cur))
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64 {
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65 cur++;
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66 }
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67 return cur;
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68 }
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69
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70 static uint32_t timecode_to_lba(char *timecode)
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71 {
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72 char *end;
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73 int seconds = 0, minutes = 0;
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74 int frames = strtol(timecode, &end, 10);
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75 if (end && *end == ':') {
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76 timecode = end + 1;
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77 seconds = frames;
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78 frames = strtol(timecode, &end, 10);
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79 if (end && *end == ':') {
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80 minutes = seconds;
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81 seconds = frames;
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82 timecode = end + 1;
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83 frames = strtol(timecode, NULL, 10);
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84 }
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85 }
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86 seconds += minutes * 60;
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87 return seconds * 75 + frames;
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88
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89 }
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90
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91 enum {
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92 FAKE_DATA = 1,
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93 FAKE_AUDIO,
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94 };
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95
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96 static uint8_t bin_seek(system_media *media, uint32_t sector)
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97 {
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98 media->cur_sector = sector;
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99 uint32_t lba = sector;
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100 uint32_t track;
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101 for (track = 0; track < media->num_tracks; track++)
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102 {
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103 if (lba < media->tracks[track].fake_pregap) {
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104 media->in_fake_pregap = media->tracks[track].type == TRACK_DATA ? FAKE_DATA : FAKE_AUDIO;
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105 break;
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106 }
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107 lba -= media->tracks[track].fake_pregap;
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108 if (lba < media->tracks[track].start_lba) {
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109 if (media->tracks[track].fake_pregap) {
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110 media->in_fake_pregap = media->tracks[track].type == TRACK_DATA ? FAKE_DATA : FAKE_AUDIO;
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111 } else {
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112 media->in_fake_pregap = 0;
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113 }
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114 break;
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115 }
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116 if (lba < media->tracks[track].end_lba) {
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117 media->in_fake_pregap = 0;
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118 break;
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119 }
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120 }
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121 if (track < media->num_tracks) {
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122 media->cur_track = track;
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123 if (!media->in_fake_pregap) {
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124 if (track) {
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125 lba -= media->tracks[track - 1].end_lba;
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126 }
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127 if (media->tracks[track].flac) {
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128 flac_seek(media->tracks[track].flac, (media->tracks[track].file_offset + lba * media->tracks[track].sector_bytes) / 4);
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129 } else {
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130 if (media->tracks[track].has_subcodes) {
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131 if (!media->tmp_buffer) {
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132 media->tmp_buffer = calloc(1, 96);
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133 }
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134 fseek(media->tracks[track].f, media->tracks[track].file_offset + (lba + 1) * media->tracks[track].sector_bytes - 96, SEEK_SET);
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135 int bytes = fread(media->tmp_buffer, 1, 96, media->tracks[track].f);
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parents: 2288
diff changeset
136 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
137 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
138 }
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
139 }
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
140 fseek(media->tracks[track].f, media->tracks[track].file_offset + lba * media->tracks[track].sector_bytes, SEEK_SET);
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
141 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
142 }
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
143 if (media->tracks[track].type == TRACK_DATA) {
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
144 media->cdrom_scramble_lsfr = 1;
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
145 }
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
146 }
2080
bafb757e1cd2 Implement CD audio
Michael Pavone <pavone@retrodev.com>
parents: 2079
diff changeset
147 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
148 }
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
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 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
151 {
2142
d9151d0894c7 Fix some CD-ROM emulation issues
Michael Pavone <pavone@retrodev.com>
parents: 2140
diff changeset
152 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
153 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
154 //TODO: error detection and correction bytes
2142
d9151d0894c7 Fix some CD-ROM emulation issues
Michael Pavone <pavone@retrodev.com>
parents: 2140
diff changeset
155 } 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
156 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
157 } 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
158 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
159 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
160 } 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
161 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
162 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
163 } 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
164 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
165 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
166 } 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
167 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
168 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
169 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
170
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
171 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
172 {
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
173 uint8_t retval;
2080
bafb757e1cd2 Implement CD audio
Michael Pavone <pavone@retrodev.com>
parents: 2079
diff changeset
174 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
175 retval = fake_read(media->cur_sector, offset);
2080
bafb757e1cd2 Implement CD audio
Michael Pavone <pavone@retrodev.com>
parents: 2079
diff changeset
176 } 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
177 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
178 } 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
179 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
180 } 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
181 if (offset & 3) {
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
182 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
183 } 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
184 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
185 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
186 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
187 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
188 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
189 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
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 } else {
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
192 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
193 if (offset & 1) {
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
194 retval = media->byte_storage[0];
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
195 }
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
196 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
197 } else {
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
198 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
199 }
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
200 }
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
201 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
202 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
203 }
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
204 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
205 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
206
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
207 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
208 {
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
209 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
210 //TODO: Fake PQ subcodes
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
211 return 0;
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
212 }
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
213 //TODO: Translate "cooked" subcodes back to raw format
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
214 return media->tmp_buffer[offset];
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
215 }
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
216
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
217 uint8_t parse_cue(system_media *media)
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
218 {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 char *line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220 media->num_tracks = 0;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
221 do {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
222 char *cmd = cmd_start(line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
223 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
224 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
225 media->num_tracks++;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
226 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
227 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
228 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
229 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
230 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
231 } while (line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
232 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
233 media->tracks = tracks;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
234 line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
235 int track = -1;
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
236 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
237 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
238 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
239 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
240 uint8_t has_index_0 = 0;
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
241 uint32_t extra_offset = 0;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
242 do {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
243 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
244 if (*cmd) {
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
245 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
246 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
247 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
248 has_index_0 = 0;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
249 cmd += 6;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
250 char *end;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
251 int file_track = strtol(cmd, &end, 10);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
252 if (file_track != (track + 1)) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
253 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
254 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
255 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
256 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
257
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
258
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
259 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
260 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
261 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
262 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
263 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
264 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
265 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
266 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
267 tracks[track].need_swap = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
268 tracks[track].sector_bytes = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
269 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
270 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
271 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
272 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
273 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
274 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
275 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
276 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
277 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
278
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
279 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
280 } 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
281 cmd += 5;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
282 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
283 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
284 cmd++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
285 char *end = strchr(cmd, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
286 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
287 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
288 //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
289 if (is_absolute_path(cmd)) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
290 fname = malloc(end-cmd + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
291 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
292 fname[end-cmd] = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
293 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
294 size_t dirlen = strlen(media->dir);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
295 fname = malloc(dirlen + 1 + (end-cmd) + 1);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
296 memcpy(fname, media->dir, dirlen);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
297 fname[dirlen] = PATH_SEP[0];
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parents: 2089
diff changeset
298 memcpy(fname + dirlen + 1, cmd, end-cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
299 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
300 }
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
301 flac = NULL;
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
302 f = fopen(fname, "rb");
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
303 if (!f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
304 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
305 }
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
306
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
307 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
308 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
309 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
310 if (!isspace(*end)) {
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
311 extra_offset = 0;
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
312 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
313 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
314 } else if (startswith(end, "MOTOROLA")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
315 audio_byte_swap = 1;
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
316 } else if (startswith(end, "WAVE")) {
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
317 audio_byte_swap = 0;
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
318 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
319 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
320 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
321 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
322 }
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
323 extra_offset = wave.format_header.size + sizeof(wave.data_header) + sizeof(wave.chunk);
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
324 } 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
325 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
326 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
327 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
328 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
329 }
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
330 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
331 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
332 }
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
333
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
334 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
335 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
336 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
337 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
338 break;
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
339 }
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
340 }
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
341 free(fname);
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
342 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
343 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
344 } else if (track >= 0) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
345 if (startswith(cmd, "PREGAP ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
346 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
347 } else if (startswith(cmd, "INDEX ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
348 char *after;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
349 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
350 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
351 uint32_t start_lba;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
352 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
353 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
354 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
355 has_start_lba = 1;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
356 } else if (index == 1) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
357 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
358 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
359 start_lba = tracks[track].start_lba;
2250
646d1797f20d Fix bug in CUE parser that caused regression in Bill Walsh College Football
Michael Pavone <pavone@retrodev.com>
parents: 2215
diff changeset
360 if (!tracks[track].fake_pregap) {
646d1797f20d Fix bug in CUE parser that caused regression in Bill Walsh College Football
Michael Pavone <pavone@retrodev.com>
parents: 2215
diff changeset
361 tracks[track].pregap_lba = start_lba;
646d1797f20d Fix bug in CUE parser that caused regression in Bill Walsh College Football
Michael Pavone <pavone@retrodev.com>
parents: 2215
diff changeset
362 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
363 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
364 }
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 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
367 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
368 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
369 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
370 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
371 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
372 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
373 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
374 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
375 } else {
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
376 tracks[track].file_offset = extra_offset;
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
377 }
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
378 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
379 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
380 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
381 if (cmd && *cmd) {
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
382 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
383 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
384 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
385 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
386 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
387 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
388 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
389 } 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
390 if (media->num_tracks > 0 && media->tracks[0].f) {
2143
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
391 //end of last track in a file is implictly based on the size
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
392 f = tracks[0].f;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
393 uint32_t offset = 0;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
394 for (int track = 0; track < media->num_tracks; track++) {
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
395 if (track == media->num_tracks - 1 && tracks[track].f) {
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
396 uint32_t start_lba =tracks[track].fake_pregap ? tracks[track].start_lba : tracks[track].pregap_lba;
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
397 uint32_t fsize;
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
398 if (tracks[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
399 fsize = tracks[track].flac->total_samples * 4;
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
400 } 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
401 fsize = file_size(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
402 }
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
403 tracks[track].end_lba = start_lba + (fsize - tracks[track].file_offset)/ tracks[track].sector_bytes;
2143
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
404 } else if (tracks[track].f != f) {
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
405 uint32_t start_lba =tracks[track-1].fake_pregap ? tracks[track-1].start_lba : tracks[track-1].pregap_lba;
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
406 uint32_t fsize;
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
407 if (tracks[track-1].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
408 fsize = tracks[track-1].flac->total_samples * 4;
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
409 } 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
410 fsize = file_size(tracks[track-1].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
411 }
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2288
diff changeset
412 tracks[track-1].end_lba = start_lba + (fsize - tracks[track-1].file_offset)/ tracks[track-1].sector_bytes;
2143
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
413 offset = tracks[track-1].end_lba;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
414 }
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
415 if (!tracks[track].fake_pregap) {
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
416 tracks[track].pregap_lba += offset;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
417 }
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
418 tracks[track].start_lba += offset;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
419 tracks[track].end_lba += offset;
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
420 }
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
421 //replace cue sheet with first sector
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
422 free(media->buffer);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
423 media->buffer = calloc(2048, 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
424 if (tracks[0].type == TRACK_DATA && tracks[0].sector_bytes == 2352 && !tracks[0].flac) {
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
425 // 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
426 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
427 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
428 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
429 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
430 }
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
431 } 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
432 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
433 }
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
434
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
435 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
436 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
437 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
438 media->read = bin_read;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
439 media->read_subcodes = bin_subcode_read;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
440 }
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 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
442 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
443 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
444 }
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 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
447 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
448 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
449 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
450 do {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
451 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
452 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
453 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
454 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
455 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
456 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
457 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
458 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
459 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
460 } 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
461 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
462 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
463 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
464 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
465 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
466 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
467 do {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
468 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
469 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
470 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
471 track++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
472 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
473 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
474 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
475 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
476 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
477 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
478 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
479 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
480 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
481 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
482 } 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
483 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
484 } 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
485 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
486 } 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
487 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
488 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
489 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
490 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
491 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
492 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
493 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
494 //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
495 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
496 tracks[track].sector_bytes += 96;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
497 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
498 } 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
499 tracks[track].sector_bytes += 96;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
500 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
501 }
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 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
504 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
505 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
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 } 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
508 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
509 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
510
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
511 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
512 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
513 } else {
2140
6d0de02a068a Fix bug in TOC parser
Michael Pavone <pavone@retrodev.com>
parents: 2122
diff changeset
514 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
515 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
516 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
517 ++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
518 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
519 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
520 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
521 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
522 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
523 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
524 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
525 //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
526 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
527 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
528 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
529 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
530 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
531 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
532 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
533 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
534 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
535 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
536 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
537 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
538 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
539 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
540 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
541 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
542 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
543 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
544 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
545 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
546 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
547 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
548 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
549 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
550 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
551 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
552 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
553 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
554 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
555 tracks[track].file_offset += start * tracks[track].sector_bytes;
2149
9209858b2f74 Fix a couple of bugs in the TOC file parser
Michael Pavone <pavone@retrodev.com>
parents: 2143
diff changeset
556 cmd = cmd_start_sameline(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
557 }
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 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
560 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
561 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
562 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
563 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
564 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
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 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
568 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
569 } 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
570 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
571 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
572 } 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
573 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
574 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
575 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
576 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
577 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
578 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
579 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
580 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
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 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
583 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
584 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
585 } 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
586 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
587 //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
588 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
589 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
590 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
591 // 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
592 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
593 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
594 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
595 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
596 }
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 (!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
598 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
599 }
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 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
602 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
603 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
604 media->read = bin_read;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
605 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
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 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
608 media->type = valid ? MEDIA_CDROM : MEDIA_CART;
7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU
Michael Pavone <pavone@retrodev.com>
parents: 2059
diff changeset
609 return valid;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
610 }
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
611
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
612 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
613 {
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
614 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
615 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
616 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
617 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
618 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
619 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
620 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
621 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
622 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
623 .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
624 .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
625 .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
626 .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
627 .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
628 .sector_bytes = 2048,
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
629 .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
630 .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
631 .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
632 };
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
633 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
634 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
635 media->read = bin_read;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
636 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
637 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
638 }
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
639
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
640 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
641 {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
642 if (media->type != MEDIA_CDROM) {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
643 return;
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
644 }
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
645 save_int32(buf, media->cur_track);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
646 save_int32(buf, media->cur_sector);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
647 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
648 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
649 } else {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
650 save_int32(buf, 0);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
651 }
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
652 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
653 save_int8(buf, media->byte_storage[0]);
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
654 if (media->tmp_buffer) {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
655 save_buffer8(buf, media->tmp_buffer, 96);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
656 }
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
657 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
658 save_int8(buf, media->byte_storage[2]);
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
659 }
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
660
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
661 void cdimage_deserialize(deserialize_buffer *buf, void *vmedia)
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
662 {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
663 system_media *media = vmedia;
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
664 if (media->type != MEDIA_CDROM) {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
665 return;
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
666 }
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
667 media->cur_track = load_int32(buf);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
668 media->cur_sector = load_int32(buf);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
669 uint32_t seekpos = load_int32(buf);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
670 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
671 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
672 }
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
673 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
674 media->byte_storage[0] = load_int8(buf);
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
675 if (media->tmp_buffer) {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
676 load_buffer8(buf, media->tmp_buffer, 96);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
677 }
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
678 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
679 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
680 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
681 }
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
682 }