4 #include "../PicoInt.h"
6 #define cdprintf dprintf
7 //#define cdprintf(x...)
10 // TODO: check refs, move 2 context
11 struct _file_track Tracks[100];
17 // MP3_Init(); // TODO
30 int Load_ISO(const char *iso_name, int is_bin)
32 struct stat file_stat;
33 int i, j, num_track, Cur_LBA, index, ret, iso_name_len;
34 _scd_track *SCD_TOC_Tracks = Pico_mcd->scd.TOC.Tracks;
36 char tmp_name[1024], tmp_ext[10];
37 static char *exts[] = {
38 "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
39 "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
40 "%02d.MP3", " %02d.MP3", "-%02d.MP3", "_%02d.MP3", " - %02d.MP3",
41 /* "%02d.wav", " %02d.wav", "-%02d.wav", "_%02d.wav", " - %02d.wav",
42 "%d.wav", " %d.wav", "-%d.wav", "_%d.wav", " - %2d.wav" */
47 Tracks[0].Type = is_bin ? TYPE_BIN : TYPE_ISO;
49 ret = stat(iso_name, &file_stat);
50 if (ret != 0) return -1;
52 Tracks[0].Length = file_stat.st_size;
54 if (Tracks[0].Type == TYPE_ISO) Tracks[0].Length >>= 11; // size in sectors
55 else Tracks[0].Length /= 2352; // size in sectors
58 Tracks[0].F = fopen(iso_name, "rb");
59 if (Tracks[0].F == NULL)
66 if (Tracks[0].Type == TYPE_ISO) fseek(Tracks[0].F, 0x100, SEEK_SET);
67 else fseek(Tracks[0].F, 0x110, SEEK_SET);
69 // fread(buf, 1, 0x200, Tracks[0].F);
70 fseek(Tracks[0].F, 0, SEEK_SET);
72 Pico_mcd->scd.TOC.First_Track = 1;
74 SCD_TOC_Tracks[0].Num = 1;
75 SCD_TOC_Tracks[0].Type = 1; // DATA
77 SCD_TOC_Tracks[0].MSF.M = 0; // minutes
78 SCD_TOC_Tracks[0].MSF.S = 2; // seconds
79 SCD_TOC_Tracks[0].MSF.F = 0; // frames
81 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,
82 SCD_TOC_Tracks[0].Type ? "DATA" : "AUDIO");
84 Cur_LBA = Tracks[0].Length; // Size in sectors
86 strcpy(tmp_name, iso_name);
87 iso_name_len = strlen(iso_name);
89 for (num_track = 2, i = 0; i < 100; i++)
91 for(j = 0; j < sizeof(exts)/sizeof(char *); j++)
94 sprintf(tmp_ext, exts[j], i);
95 ext_len = strlen(tmp_ext);
97 memcpy(tmp_name, iso_name, iso_name_len + 1);
98 tmp_name[iso_name_len - 4] = 0;
99 strcat(tmp_name, tmp_ext);
101 tmp_file = fopen(tmp_name, "rb");
102 if (!tmp_file && i > 1 && iso_name_len > ext_len) {
103 tmp_name[iso_name_len - ext_len] = 0;
104 strcat(tmp_name, tmp_ext);
105 tmp_file = fopen(tmp_name, "rb");
112 index = num_track - Pico_mcd->scd.TOC.First_Track;
114 ret = stat(tmp_name, &file_stat);
115 fs = file_stat.st_size; // used to calculate lenght
117 Tracks[index].KBtps = (short) mp3_get_bitrate(tmp_file, fs);
118 Tracks[index].KBtps >>= 3;
119 if (ret != 0 || Tracks[index].KBtps <= 0)
121 cdprintf("Error track %i: stat %i, rate %i", index, ret, Tracks[index].KBtps);
126 Tracks[index].F = tmp_file;
128 SCD_TOC_Tracks[index].Num = num_track;
129 SCD_TOC_Tracks[index].Type = 0; // AUDIO
131 LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
134 Tracks[index].Type = TYPE_MP3;
136 fs /= Tracks[index].KBtps * 1000;
137 Tracks[index].Length = fs;
138 Cur_LBA += Tracks[index].Length;
140 cdprintf("Track %i: %s - %02d:%02d:%02d len=%i %s", index, tmp_name, SCD_TOC_Tracks[index].MSF.M,
141 SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F, fs,
142 SCD_TOC_Tracks[index].Type ? "DATA" : "AUDIO");
150 Pico_mcd->scd.TOC.Last_Track = num_track - 1;
152 index = num_track - Pico_mcd->scd.TOC.First_Track;
153 SCD_TOC_Tracks[index].Num = num_track;
154 SCD_TOC_Tracks[index].Type = 0;
156 LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
158 cdprintf("End CD - %02d:%02d:%02d\n\n", SCD_TOC_Tracks[index].MSF.M,
159 SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F);
165 void Unload_ISO(void)
171 for(i = 0; i < 100; i++)
173 if (Tracks[i].F) fclose(Tracks[i].F);
175 Tracks[i].Length = 0;
181 int FILE_Read_One_LBA_CDC(void)
184 static char cp_buf[2560];
186 if (Pico_mcd->s68k_regs[0x36] & 1) // DATA
188 if (Tracks[0].F == NULL) return -1;
190 if (Pico_mcd->scd.Cur_LBA < 0) where_read = 0;
191 else if (Pico_mcd->scd.Cur_LBA >= Tracks[0].Length) where_read = Tracks[0].Length - 1;
192 else where_read = Pico_mcd->scd.Cur_LBA;
194 if (Tracks[0].Type == TYPE_ISO) where_read <<= 11;
195 else where_read = (where_read * 2352 + 16);
197 fseek(Tracks[0].F, where_read, SEEK_SET);
198 fread(cp_buf, 1, 2048, Tracks[0].F);
200 cdprintf("Read file CDC 1 data sector :\n");
204 // int rate, channel;
206 if (Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type == TYPE_MP3)
209 // MP3_Update(cp_buf, &rate, &channel, 0);
210 // Write_CD_Audio((short *) cp_buf, rate, channel, 588);
213 cdprintf("Read file CDC 1 audio sector :\n");
220 if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track
222 if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
224 if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
226 // CAUTION : lookahead bit not implemented
228 Pico_mcd->scd.Cur_LBA++;
230 Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
231 Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
233 memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
234 memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], &Pico_mcd->cdc.HEAD, 4);
237 cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
238 cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0,
239 Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3);
240 cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n",
241 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF],
242 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF],
243 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF],
244 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF],
245 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF],
246 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]);
254 Pico_mcd->scd.Cur_LBA++;
256 Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
257 Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
259 if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
261 if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
263 // CAUTION : lookahead bit not implemented
265 memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cp_buf, 2352);
270 if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
272 Pico_mcd->cdc.STAT.B.B0 = 0x80;
274 if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ?
276 Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08;
280 Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C;
283 if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done
284 else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done
286 if (Pico_mcd->cdc.IFCTRL & 0x20)
288 if (Pico_mcd->s68k_regs[0x33] & (1<<5))
290 dprintf("cdc dec irq 5");
294 Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
295 CDC_Decode_Reg_Read = 0; // Reset read after DEC int
304 int FILE_Play_CD_LBA(void)
306 int index = Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track;
308 cdprintf("Play FILE Comp");
310 if (Tracks[index].F == NULL)
315 if (Tracks[index].Type == TYPE_MP3)
318 int Track_LBA_Pos = Pico_mcd->scd.Cur_LBA - Track_to_LBA(Pico_mcd->scd.Cur_Track);
319 if (Track_LBA_Pos < 0) Track_LBA_Pos = 0;
321 pos1000 = Track_LBA_Pos * 1024 / Tracks[index].Length;
323 mp3_start_play(Tracks[index].F, pos1000);