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annotate cdimage.c @ 2348:2025ba21026a

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Fix backwards seek calculation
author Michael Pavone <pavone@retrodev.com>
date Wed, 11 Oct 2023 23:18:16 -0700
parents 9f0c67e5c50a
children 76dfad6a53b5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 uint16_t new_bit = *lsfr;
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13 *lsfr >>= 1;
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14 new_bit = (new_bit ^ *lsfr) & 1;
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15 *lsfr |= new_bit << 14;
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16 return data;
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17 }
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18
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19 static char* cmd_start(char *cur)
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20 {
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21 while (*cur && isblank(*cur))
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22 {
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23 cur++;
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24 }
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25 return cur;
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26 }
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27
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28 static char* cmd_start_sameline(char *cur)
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29 {
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30 while (*cur && isblank(*cur) && *cur != '\n')
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31 {
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32 cur++;
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33 }
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34 return cur;
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35 }
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36
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37 static char* word_end(char *cur)
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38 {
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39 while (*cur && !isblank(*cur))
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40 {
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41 cur++;
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42 }
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43 return cur;
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44 }
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45
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46 static char* next_line(char *cur)
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47 {
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48 while (*cur && *cur != '\n')
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49 {
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50 cur++;
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51 }
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52 if (*cur) {
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53 return cur + 1;
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54 }
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55 return NULL;
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56 }
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57
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58 static char* next_blank(char *cur)
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59 {
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60 while (*cur && !isblank(*cur))
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61 {
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62 cur++;
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63 }
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64 return cur;
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65 }
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66
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67 static uint32_t timecode_to_lba(char *timecode)
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68 {
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69 char *end;
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70 int seconds = 0, minutes = 0;
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71 int frames = strtol(timecode, &end, 10);
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72 if (end && *end == ':') {
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73 timecode = end + 1;
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74 seconds = frames;
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75 frames = strtol(timecode, &end, 10);
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76 if (end && *end == ':') {
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77 minutes = seconds;
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78 seconds = frames;
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79 timecode = end + 1;
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80 frames = strtol(timecode, NULL, 10);
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81 }
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82 }
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83 seconds += minutes * 60;
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84 return seconds * 75 + frames;
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85
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86 }
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87
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88 enum {
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89 FAKE_DATA = 1,
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90 FAKE_AUDIO,
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91 };
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92
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93 static uint8_t bin_seek(system_media *media, uint32_t sector)
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94 {
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95 media->cur_sector = sector;
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96 uint32_t lba = sector;
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97 uint32_t track;
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98 for (track = 0; track < media->num_tracks; track++)
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99 {
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100 if (lba < media->tracks[track].fake_pregap) {
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101 media->in_fake_pregap = media->tracks[track].type == TRACK_DATA ? FAKE_DATA : FAKE_AUDIO;
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102 break;
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103 }
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104 lba -= media->tracks[track].fake_pregap;
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105 if (lba < media->tracks[track].start_lba) {
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106 if (media->tracks[track].fake_pregap) {
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107 media->in_fake_pregap = media->tracks[track].type == TRACK_DATA ? FAKE_DATA : FAKE_AUDIO;
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108 } else {
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109 media->in_fake_pregap = 0;
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110 }
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111 break;
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112 }
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113 if (lba < media->tracks[track].end_lba) {
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114 media->in_fake_pregap = 0;
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115 break;
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116 }
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117 }
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118 if (track < media->num_tracks) {
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119 media->cur_track = track;
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120 if (!media->in_fake_pregap) {
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121 if (track) {
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122 lba -= media->tracks[track - 1].end_lba;
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123 }
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124 if (media->tracks[track].flac) {
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125 flac_seek(media->tracks[track].flac, (media->tracks[track].file_offset + lba * media->tracks[track].sector_bytes) / 4);
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126 } else {
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127 if (media->tracks[track].has_subcodes) {
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128 if (!media->tmp_buffer) {
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129 media->tmp_buffer = calloc(1, 96);
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130 }
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131 fseek(media->tracks[track].f, media->tracks[track].file_offset + (lba + 1) * media->tracks[track].sector_bytes - 96, SEEK_SET);
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132 int bytes = fread(media->tmp_buffer, 1, 96, media->tracks[track].f);
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133 if (bytes != 96) {
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134 fprintf(stderr, "Only read %d subcode bytes\n", bytes);
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diff changeset
135 }
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
136 }
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
137 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
138 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
139 }
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
140 if (media->tracks[track].type == TRACK_DATA) {
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
141 media->cdrom_scramble_lsfr = 1;
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
142 }
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
143 }
2080
bafb757e1cd2 Implement CD audio
Michael Pavone <pavone@retrodev.com>
parents: 2079
diff changeset
144 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
145 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
146
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
147 static uint8_t 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
148 {
2142
d9151d0894c7 Fix some CD-ROM emulation issues
Michael Pavone <pavone@retrodev.com>
parents: 2140
diff changeset
149 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
150 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
151 //TODO: error detection and correction bytes
2142
d9151d0894c7 Fix some CD-ROM emulation issues
Michael Pavone <pavone@retrodev.com>
parents: 2140
diff changeset
152 } 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
153 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
154 } 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
155 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
156 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
157 } 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
158 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
159 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
160 } 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
161 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
162 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
163 } 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
164 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
165 }
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 }
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
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 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
169 {
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
170 uint8_t retval;
2080
bafb757e1cd2 Implement CD audio
Michael Pavone <pavone@retrodev.com>
parents: 2079
diff changeset
171 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
172 retval = fake_read(media->cur_sector, offset);
2080
bafb757e1cd2 Implement CD audio
Michael Pavone <pavone@retrodev.com>
parents: 2079
diff changeset
173 } 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
174 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
175 } 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
176 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
177 } 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
178 if (offset & 3) {
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
179 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
180 } 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
181 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
182 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
183 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
184 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
185 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
186 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
187 }
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
188 } else {
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
189 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
190 if (offset & 1) {
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
191 retval = media->byte_storage[0];
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
192 }
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
193 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
194 } else {
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
195 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
196 }
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
197 }
2342
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
198 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
199 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
200 }
9f0c67e5c50a Implement CD-ROM data sector scrambling/descrambling
Michael Pavone <pavone@retrodev.com>
parents: 2298
diff changeset
201 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
202 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
203
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
204 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
205 {
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
206 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
207 //TODO: Fake PQ subcodes
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
208 return 0;
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
209 }
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
210 //TODO: Translate "cooked" subcodes back to raw format
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
211 return media->tmp_buffer[offset];
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
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
214 uint8_t parse_cue(system_media *media)
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
215 {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
216 char *line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
217 media->num_tracks = 0;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
218 do {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 char *cmd = cmd_start(line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
221 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
222 media->num_tracks++;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
223 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
224 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
225 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
226 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
227 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
228 } while (line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
229 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
230 media->tracks = tracks;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
231 line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
232 int track = -1;
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
233 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
234 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
235 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
236 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
237 uint8_t has_index_0 = 0;
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
238 uint32_t extra_offset = 0;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
239 do {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
240 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
241 if (*cmd) {
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
242 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
243 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
244 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
245 has_index_0 = 0;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
246 cmd += 6;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
247 char *end;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
248 int file_track = strtol(cmd, &end, 10);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
249 if (file_track != (track + 1)) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
250 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
251 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
252 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
253 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
254
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
255
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
256 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
257 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
258 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
259 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
260 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
261 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
262 } else {
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].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
264 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
265 tracks[track].sector_bytes = 0;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
266 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
267 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
268 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
269 }
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 (!tracks[track].sector_bytes) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
271 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
272 tracks[track].sector_bytes = 2352;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
273 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
274 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
275
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
276 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
277 } else if (startswith(cmd, "FILE ")) {
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
278 cmd += 5;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
279 cmd = strchr(cmd, '"');
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
280 if (cmd) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
281 cmd++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
282 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
283 if (end) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
284 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
285 //TODO: zipped BIN/CUE support
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
286 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
287 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
288 memcpy(fname, cmd, end-cmd);
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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diff changeset
289 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
290 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
291 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
292 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
293 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
294 fname[dirlen] = PATH_SEP[0];
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Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
295 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
296 fname[dirlen + 1 + (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
297 }
2298
9d68799f945b Added basic FLAC seek implementation and added support for FLAC tracks in CUE sheets
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parents: 2288
diff changeset
298 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
299 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
300 if (!f) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
301 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
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parents: 2089
diff changeset
302 }
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
303
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
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parents: 2089
diff changeset
304 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
305 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
306 {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
307 if (!isspace(*end)) {
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
308 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
309 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
310 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
311 } else if (startswith(end, "MOTOROLA")) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
312 audio_byte_swap = 1;
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
313 } else if (startswith(end, "WAVE")) {
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
314 audio_byte_swap = 0;
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
315 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
316 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
317 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
318 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
319 }
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 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
321 } 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
322 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
323 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
324 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
325 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
326 }
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->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
328 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
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
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
331 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
332 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
333 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
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 break;
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
336 }
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
337 }
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
338 free(fname);
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
339 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
340 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
341 } else if (track >= 0) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
342 if (startswith(cmd, "PREGAP ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
343 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
344 } else if (startswith(cmd, "INDEX ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
345 char *after;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
346 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
347 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
348 uint32_t start_lba;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
349 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
350 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
351 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
352 has_start_lba = 1;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
353 } else if (index == 1) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
354 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
355 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
356 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
357 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
358 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
359 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
360 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
361 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
362 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
363 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
364 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
365 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
366 }
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_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
368 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
369 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
370 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
371 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
372 } else {
2288
efc75ea79164 Support WAVE files in CUE sheets
Michael Pavone <pavone@retrodev.com>
parents: 2280
diff changeset
373 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
374 }
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
375 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
376 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
377 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
378 if (cmd && *cmd) {
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
379 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
380 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
381 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
382 }
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 } 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
387 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
388 //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
389 f = tracks[0].f;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
390 uint32_t offset = 0;
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
391 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
392 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
393 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
394 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
395 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
396 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
397 } 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
398 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
399 }
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 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
401 } 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
402 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
403 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
404 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
405 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
406 } 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
407 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
408 }
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 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
410 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
411 }
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
412 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
413 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
414 }
67f20f9188b0 Fix support for CUE sheets that refer to multiple files
Michael Pavone <pavone@retrodev.com>
parents: 2142
diff changeset
415 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
416 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
417 }
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
418 //replace cue sheet with first sector
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
419 free(media->buffer);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
420 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
421 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
422 // 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
423 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
424 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
425 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
426 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
427 }
2089
0db3af42dd72 Fix some byte order stuff for audio tracks
Michael Pavone <pavone@retrodev.com>
parents: 2080
diff changeset
428 } 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
429 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
430 }
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
431
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
432 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
433 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
434 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
435 media->read = bin_read;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
436 media->read_subcodes = bin_subcode_read;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
437 }
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
438 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
439 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
440 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
441 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
442
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
443 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
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 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
446 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
447 do {
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 *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
449 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
450 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
451 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
452 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
453 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
454 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
455 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
456 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
457 } 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
458 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
459 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
460 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
461 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
462 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
463 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
464 do {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
465 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
466 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
467 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
468 track++;
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
469 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
470 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
471 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
472 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
473 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
474 } else {
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].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
476 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
477 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
478 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
479 } 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
480 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
481 } 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
482 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
483 } 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
484 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
485 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
486 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
487 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
488 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
489 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
490 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
491 //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
492 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
493 tracks[track].sector_bytes += 96;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
494 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
495 } 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
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_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
498 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
499 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
500 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
501 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
502 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
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 } 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
505 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
506 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
507
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
508 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
509 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
510 } else {
2140
6d0de02a068a Fix bug in TOC parser
Michael Pavone <pavone@retrodev.com>
parents: 2122
diff changeset
511 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
512 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
513 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
514 ++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
515 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
516 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
517 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
518 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
519 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
520 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
521 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
522 //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
523 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
524 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
525 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
526 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
527 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
528 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
529 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
530 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
531 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
532 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
533 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
534 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
535 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
536 }
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 (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
538 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
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 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
541 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
542 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
543 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
544 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
545 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
546 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
547 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
548 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
549 if (!is_datafile) {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
550 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
551 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
552 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
553 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
554 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
555 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
556 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
557 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
558 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
559 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
560 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
561 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
562 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
563 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
564 }
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 } 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
567 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
568 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
569 } 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
570 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
571 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
572 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
573 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
574 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
575 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
576 } else {
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
577 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
578 }
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 } 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
583 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
584 //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
585 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
586 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
587 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
588 // 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
589 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
590 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
591 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
592 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
593 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
594 } 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
595 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
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
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
598 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
599 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
600 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
601 media->read = bin_read;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
602 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
603 }
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
604 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
605 media->type = valid ? MEDIA_CDROM : MEDIA_CART;
7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU
Michael Pavone <pavone@retrodev.com>
parents: 2059
diff changeset
606 return valid;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
607 }
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
608
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
609 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
610 {
2114
2449c88cea36 Enhance support for CUE files and add initial support for cdrdao TOC files
Michael Pavone <pavone@retrodev.com>
parents: 2089
diff changeset
611 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
612 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
613 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
614 }
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
615 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
616 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
617 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
618 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
619 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
620 .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
621 .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
622 .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
623 .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
624 .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
625 .sector_bytes = 2048,
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
626 .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
627 .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
628 .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
629 };
3f29e2726522 Added basic support for ISO images for games that only have a data track
Michael Pavone <pavone@retrodev.com>
parents: 2074
diff changeset
630 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
631 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
632 media->read = bin_read;
2116
cd057d6fe030 Initial stab at subcode emulation
Michael Pavone <pavone@retrodev.com>
parents: 2114
diff changeset
633 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
634 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
635 }
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
636
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
637 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
638 {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
639 if (media->type != MEDIA_CDROM) {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
640 return;
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 save_int32(buf, media->cur_track);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
643 save_int32(buf, media->cur_sector);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
644 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
645 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
646 } else {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
647 save_int32(buf, 0);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
648 }
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
649 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
650 save_int8(buf, media->byte_storage[0]);
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
651 if (media->tmp_buffer) {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
652 save_buffer8(buf, media->tmp_buffer, 96);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
653 }
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
654 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
655 save_int8(buf, media->byte_storage[2]);
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
656 }
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
657
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
658 void cdimage_deserialize(deserialize_buffer *buf, void *vmedia)
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 system_media *media = vmedia;
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
661 if (media->type != MEDIA_CDROM) {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
662 return;
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
663 }
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
664 media->cur_track = load_int32(buf);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
665 media->cur_sector = load_int32(buf);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
666 uint32_t seekpos = load_int32(buf);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
667 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
668 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
669 }
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
670 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
671 media->byte_storage[0] = load_int8(buf);
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
672 if (media->tmp_buffer) {
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
673 load_buffer8(buf, media->tmp_buffer, 96);
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
674 }
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
675 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
676 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
677 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
678 }
2280
9ead0fe69d9b Implement savestate support for Sega CD
Michael Pavone <pavone@retrodev.com>
parents: 2250
diff changeset
679 }