21 #include "../PicoInt.h"
23 #define cdprintf dprintf
24 //#define cdprintf(x...)
27 struct _file_track Tracks[100];
33 // MP3_Init(); // TODO
46 int Load_ISO(const char *iso_name, int is_bin)
48 struct stat file_stat;
49 int i, j, num_track, Cur_LBA, index, ret, iso_name_len;
50 _scd_track *SCD_TOC_Tracks = Pico_mcd->scd.TOC.Tracks;
52 char tmp_name[1024], tmp_ext[10];
53 static char *exts[] = {
54 "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
55 "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
56 /* "%02d.wav", " %02d.wav", "-%02d.wav", "_%02d.wav", " - %02d.wav",
57 "%d.wav", " %d.wav", "-%d.wav", "_%d.wav", " - %2d.wav" */
62 Tracks[0].Type = is_bin ? TYPE_BIN : TYPE_ISO;
64 ret = stat(iso_name, &file_stat);
65 if (ret != 0) return -1;
67 Tracks[0].Length = file_stat.st_size;
69 if (Tracks[0].Type == TYPE_ISO) Tracks[0].Length >>= 11; // size in sectors
70 else Tracks[0].Length /= 2352; // size in sectors
73 Tracks[0].F = fopen(iso_name, "rb");
74 if (Tracks[0].F == NULL)
81 if (Tracks[0].Type == TYPE_ISO) fseek(Tracks[0].F, 0x100, SEEK_SET);
82 else fseek(Tracks[0].F, 0x110, SEEK_SET);
84 // fread(buf, 1, 0x200, Tracks[0].F);
85 fseek(Tracks[0].F, 0, SEEK_SET);
87 Pico_mcd->scd.TOC.First_Track = 1;
89 SCD_TOC_Tracks[0].Num = 1;
90 SCD_TOC_Tracks[0].Type = 1; // DATA
92 SCD_TOC_Tracks[0].MSF.M = 0; // minutes
93 SCD_TOC_Tracks[0].MSF.S = 2; // seconds
94 SCD_TOC_Tracks[0].MSF.F = 0; // frames
96 cdprintf("Track 0 - %02d:%02d:%02d %s", SCD_TOC_Tracks[0].MSF.M, SCD_TOC_Tracks[0].MSF.S, SCD_TOC_Tracks[0].MSF.F,
97 SCD_TOC_Tracks[0].Type ? "DATA" : "AUDIO");
99 Cur_LBA = Tracks[0].Length; // Size in sectors
101 strcpy(tmp_name, iso_name);
102 iso_name_len = strlen(iso_name);
104 for (num_track = 2, i = 0; i < 100; i++)
106 if (sizeof(exts)/sizeof(char *) != 10) { printf("eee"); exit(1); }
108 for(j = 0; j < sizeof(exts)/sizeof(char *); j++)
111 sprintf(tmp_ext, exts[j], i);
112 ext_len = strlen(tmp_ext);
114 memcpy(tmp_name, iso_name, iso_name_len + 1);
115 tmp_name[iso_name_len - 4] = 0;
116 strcat(tmp_name, tmp_ext);
118 tmp_file = fopen(tmp_name, "rb");
119 if (!tmp_file && i > 1 && iso_name_len > ext_len) {
120 tmp_name[iso_name_len - ext_len] = 0;
121 strcat(tmp_name, tmp_ext);
122 tmp_file = fopen(tmp_name, "rb");
129 index = num_track - Pico_mcd->scd.TOC.First_Track;
131 ret = stat(tmp_name, &file_stat);
132 fs = file_stat.st_size; // used to calculate lenght
134 Tracks[index].KBtps = (short) mp3_get_bitrate(tmp_file, fs);
135 Tracks[index].KBtps >>= 3;
136 if (ret != 0 || Tracks[index].KBtps <= 0)
138 cdprintf("Error track %i: stat %i, rate %i", index, ret, Tracks[index].KBtps);
143 Tracks[index].F = tmp_file;
145 SCD_TOC_Tracks[index].Num = num_track;
146 SCD_TOC_Tracks[index].Type = 0; // AUDIO
148 LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
151 Tracks[index].Type = TYPE_MP3;
153 fs /= Tracks[index].KBtps * 1000;
154 Tracks[index].Length = fs;
155 Cur_LBA += Tracks[index].Length;
157 cdprintf("Track %i: %s - %02d:%02d:%02d len=%i %s", index, tmp_name, SCD_TOC_Tracks[index].MSF.M,
158 SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F, fs,
159 SCD_TOC_Tracks[index].Type ? "DATA" : "AUDIO");
167 Pico_mcd->scd.TOC.Last_Track = num_track - 1;
169 index = num_track - Pico_mcd->scd.TOC.First_Track;
170 SCD_TOC_Tracks[index].Num = num_track;
171 SCD_TOC_Tracks[index].Type = 0;
173 LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
175 cdprintf("End CD - %02d:%02d:%02d\n\n", SCD_TOC_Tracks[index].MSF.M,
176 SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F);
182 void Unload_ISO(void)
188 for(i = 0; i < 100; i++)
190 if (Tracks[i].F) fclose(Tracks[i].F);
192 Tracks[i].Length = 0;
198 int FILE_Read_One_LBA_CDC(void)
201 static char cp_buf[2560];
203 if (Pico_mcd->s68k_regs[0x36] & 1) // DATA
205 if (Tracks[0].F == NULL) return -1;
207 if (Pico_mcd->scd.Cur_LBA < 0) where_read = 0;
208 else if (Pico_mcd->scd.Cur_LBA >= Tracks[0].Length) where_read = Tracks[0].Length - 1;
209 else where_read = Pico_mcd->scd.Cur_LBA;
211 if (Tracks[0].Type == TYPE_ISO) where_read <<= 11;
212 else where_read = (where_read * 2352 + 16);
214 fseek(Tracks[0].F, where_read, SEEK_SET);
215 fread(cp_buf, 1, 2048, Tracks[0].F);
217 cdprintf("Read file CDC 1 data sector :\n");
221 // int rate, channel;
223 if (Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type == TYPE_MP3)
226 // MP3_Update(cp_buf, &rate, &channel, 0);
227 // Write_CD_Audio((short *) cp_buf, rate, channel, 588);
230 cdprintf("Read file CDC 1 audio sector :\n");
237 if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track
239 if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
241 if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
243 // CAUTION : lookahead bit not implemented
245 Pico_mcd->scd.Cur_LBA++;
247 Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
248 Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
250 memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
251 memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], &Pico_mcd->cdc.HEAD, 4);
254 cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
255 cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0,
256 Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3);
257 cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n",
258 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF],
259 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF],
260 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF],
261 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF],
262 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF],
263 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]);
271 Pico_mcd->scd.Cur_LBA++;
273 Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
274 Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
276 if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
278 if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
280 // CAUTION : lookahead bit not implemented
282 memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cp_buf, 2352);
287 if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
289 Pico_mcd->cdc.STAT.B.B0 = 0x80;
291 if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ?
293 Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08;
297 Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C;
300 if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done
301 else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done
303 if (Pico_mcd->cdc.IFCTRL & 0x20)
305 if (Pico_mcd->s68k_regs[0x33] & (1<<5))
307 dprintf("cdc dec irq 5");
311 Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
312 CDC_Decode_Reg_Read = 0; // Reset read after DEC int
321 int FILE_Play_CD_LBA(void)
323 int index = Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track;
325 cdprintf("Play FILE Comp");
327 if (Tracks[index].F == NULL)
332 if (Tracks[index].Type == TYPE_MP3)
335 int Track_LBA_Pos = Pico_mcd->scd.Cur_LBA - Track_to_LBA(Pico_mcd->scd.Cur_Track);
336 if (Track_LBA_Pos < 0) Track_LBA_Pos = 0;
338 pos1000 = Track_LBA_Pos * 1024 / Tracks[index].Length;
340 mp3_start_play(Tracks[index].F, pos1000);