Mercurial > repos > blastem

annotate cue.c @ 2075:983f57d08eff

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix a couple of CDD bugs
author Michael Pavone <pavone@retrodev.com>
date Mon, 31 Jan 2022 19:05:54 -0800
parents c5323c02dde4
children 3f29e2726522
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #include <ctype.h>
2074
c5323c02dde4 Fix windows build error
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
2 #include <string.h>
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 #include "system.h"
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5 #include "util.h"
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 static char* cmd_start(char *cur)
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8 {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
9 while (*cur && isblank(*cur))
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
10 {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 cur++;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13 return cur;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
15
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
16 static char* next_line(char *cur)
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17 {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
18 while (*cur && *cur != '\n')
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
19 {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
20 cur++;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
21 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
22 if (*cur) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
23 return cur + 1;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
24 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
25 return NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
26 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
27
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
28 static uint32_t timecode_to_lba(char *timecode)
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
29 {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
30 char *end;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31 int seconds = 0, frames = 0;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
32 int minutes = strtol(timecode, &end, 10);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
33 if (end) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
34 timecode = end + 1;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
35 seconds = strtol(timecode, &end, 10);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
36 if (end) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
37 timecode = end + 1;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
38 frames = strtol(timecode, NULL, 10);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
39 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
40 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
41 seconds += minutes * 60;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
42 return seconds * 75 + frames;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
43
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
44 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
45
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
46 uint8_t parse_cue(system_media *media)
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
47 {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
48 char *line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
49 media->num_tracks = 0;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
50 do {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
51 char *cmd = cmd_start(line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
52 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
53 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
54 media->num_tracks++;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
55 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
56 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
57 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
58 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
59 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
60 } while (line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
61 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
62 media->tracks = tracks;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
63 line = media->buffer;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
64 int track = -1;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
65 do {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
66 char *cmd = cmd_start(line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
67 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
68 if (startswith(cmd, "TRACK ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
69 track++;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
70 cmd += 6;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
71 char *end;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
72 int file_track = strtol(cmd, &end, 10);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
73 if (file_track != (track + 1)) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
74 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
75 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
76 cmd = cmd_start(end);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
77 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
78 tracks[track].type = startswith(cmd, "AUDIO") ? TRACK_AUDIO : TRACK_DATA;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
79 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
80 } else if (startswith(cmd, "FILE ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
81 if (media->f) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
82 warning("CUE sheets with multiple FILE commands are not supported\n");
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
83 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
84 cmd += 5;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
85 cmd = strchr(cmd, '"');
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
86 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
87 cmd++;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
88 char *end = strchr(cmd, '"');
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
89 if (end) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
90 char *fname;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
91 //TODO: zipped BIN/CUE support
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
92 if (is_absolute_path(cmd)) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
93 fname = malloc(end-cmd + 1);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
94 memcpy(fname, cmd, end-cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
95 fname[end-cmd] = 0;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
96 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
97 size_t dirlen = strlen(media->dir);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
98 fname = malloc(dirlen + 1 + (end-cmd) + 1);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
99 memcpy(fname, media->dir, dirlen);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
100 fname[dirlen] = PATH_SEP[0];
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
101 memcpy(fname + dirlen + 1, cmd, end-cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
102 fname[dirlen + 1 + (end-cmd)] = 0;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
103 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
104 media->f = fopen(fname, "rb");
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
105 if (!media->f) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
106 fatal_error("Failed to open %s specified by FILE command in CUE sheet %s.%s\n", fname, media->name, media->extension);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
107 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
108 free(fname);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
109 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
110 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
111 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
112 } else if (track >= 0) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
113 if (startswith(cmd, "PREGAP ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
114 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
115 } else if (startswith(cmd, "INDEX ")) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
116 char *after;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
117 int index = strtol(cmd + 6, &after, 10);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
118 if (!index) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
119 tracks[track].pregap_lba = timecode_to_lba(after);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
120 } else if (index == 1) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
121 tracks[track].start_lba = timecode_to_lba(after);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
122 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
123 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
124 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
125 if (cmd) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
126 line = next_line(cmd);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
127 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
128 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
129 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
130 } else {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
131 line = NULL;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
132 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
133 } while (line);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
134 for (uint32_t i = 0; i < (media->num_tracks - 1); i++)
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
135 {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
136 uint32_t next = i + 1;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
137 tracks[i].end_lba = tracks[next].pregap_lba ? tracks[next].pregap_lba : tracks[next].start_lba;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
138 }
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
139 if (media->f) {
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
140 //end of last track is implicitly defined by file size
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
141 tracks[media->num_tracks-1].end_lba = file_size(media->f) / 2352;
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
142 //replace cue sheet with first sector
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
143 free(media->buffer);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
144 media->buffer = calloc(2048, 1);
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
145 if (tracks[0].type = TRACK_DATA) {
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
146 // 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
147 uint8_t msf[3];
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
148 fseek(media->f, 12, SEEK_SET);
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
149 if (sizeof(msf) == fread(msf, 1, sizeof(msf), media->f)) {
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
150 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
151 }
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
152 }
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
153
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
154 fseek(media->f, 16, SEEK_SET);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
155 media->size = fread(media->buffer, 1, 2048, media->f);
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 }
2061
7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU
Michael Pavone <pavone@retrodev.com>
parents: 2059
diff changeset
157 uint8_t valid = tracks > 0 && media->f != NULL;
7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU
Michael Pavone <pavone@retrodev.com>
parents: 2059
diff changeset
158 media->type = valid ? MEDIA_CDROM : MEDIA_CART;
7c1760b5b3e5 Implemented basic TOC functionality of CDD MCU
Michael Pavone <pavone@retrodev.com>
parents: 2059
diff changeset
159 return valid;
2059
6399a776e981 Add basic support for BIN/CUE images
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
160 }