cc68a136 |
1 | #include <stdio.h>\r |
2 | #include "cd_sys.h"\r |
3 | //#include "cd_file.h"\r |
4 | \r |
5 | #include "../PicoInt.h"\r |
6 | \r |
7 | #define cdprintf printf\r |
8 | //#define cdprintf(x...)\r |
9 | \r |
10 | #define TRAY_OPEN 0x0500 // TRAY OPEN CDD status\r |
11 | #define NOCD 0x0000 // CD removed CDD status\r |
12 | #define STOPPED 0x0900 // STOPPED CDD status (happen after stop or close tray command)\r |
13 | #define READY 0x0400 // READY CDD status (also used for seeking)\r |
14 | #define FAST_FOW 0x0300 // FAST FORWARD track CDD status\r |
15 | #define FAST_REV 0x10300 // FAST REVERSE track CDD status\r |
16 | #define PLAYING 0x0100 // PLAYING audio track CDD status\r |
17 | \r |
18 | /*\r |
19 | #include "gens.h"\r |
20 | #include "G_dsound.h"\r |
21 | #include "cdda_mp3.h"\r |
22 | #include "lc89510.h"\r |
23 | #include "Star_68k.h"\r |
24 | #include "Mem_M68K.h"\r |
25 | #include "Mem_S68K.h"\r |
26 | #include "save.h"\r |
27 | #include "misc.h"\r |
28 | */\r |
29 | \r |
30 | \r |
31 | /*\r |
32 | int CDDA_Enable;\r |
33 | \r |
34 | int CD_Audio_Buffer_L[8192];\r |
35 | int CD_Audio_Buffer_R[8192];\r |
36 | int CD_Audio_Buffer_Read_Pos = 0;\r |
37 | int CD_Audio_Buffer_Write_Pos = 2000;\r |
38 | int CD_Audio_Starting;\r |
39 | */\r |
40 | \r |
41 | static int CD_Present = 0;\r |
42 | int CD_Timer_Counter = 0; // TODO: check refs\r |
43 | \r |
44 | static int CDD_Complete;\r |
45 | \r |
46 | static int File_Add_Delay = 0;\r |
47 | \r |
48 | //_scd SCD;\r |
49 | \r |
50 | \r |
51 | \r |
52 | #define CHECK_TRAY_OPEN \\r |
53 | if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) \\r |
54 | { \\r |
55 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r |
56 | \\r |
57 | Pico_mcd->cdd.Minute = 0; \\r |
58 | Pico_mcd->cdd.Seconde = 0; \\r |
59 | Pico_mcd->cdd.Frame = 0; \\r |
60 | Pico_mcd->cdd.Ext = 0; \\r |
61 | \\r |
62 | CDD_Complete = 1; \\r |
63 | \\r |
64 | return 2; \\r |
65 | }\r |
66 | \r |
67 | \r |
68 | #define CHECK_CD_PRESENT \\r |
69 | if (!CD_Present) \\r |
70 | { \\r |
71 | Pico_mcd->scd.Status_CDD = NOCD; \\r |
72 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r |
73 | \\r |
74 | Pico_mcd->cdd.Minute = 0; \\r |
75 | Pico_mcd->cdd.Seconde = 0; \\r |
76 | Pico_mcd->cdd.Frame = 0; \\r |
77 | Pico_mcd->cdd.Ext = 0; \\r |
78 | \\r |
79 | CDD_Complete = 1; \\r |
80 | \\r |
81 | return 3; \\r |
82 | }\r |
83 | \r |
84 | \r |
85 | #if 0\r |
86 | static void MSB2DWORD(unsigned int *d, unsigned char *b)\r |
87 | {\r |
88 | unsigned int retVal;\r |
89 | \r |
90 | retVal = (unsigned int )b[0];\r |
91 | retVal = (retVal<<8) + (unsigned int )b[1];\r |
92 | retVal = (retVal<<8) + (unsigned int )b[2];\r |
93 | retVal = (retVal<<8) + (unsigned int )b[3];\r |
94 | \r |
95 | *d = retVal;\r |
96 | }\r |
97 | #endif\r |
98 | \r |
99 | static int MSF_to_LBA(_msf *MSF)\r |
100 | {\r |
101 | return (MSF->M * 60 * 75) + (MSF->S * 75) + MSF->F - 150;\r |
102 | }\r |
103 | \r |
104 | \r |
105 | void LBA_to_MSF(int lba, _msf *MSF)\r |
106 | {\r |
107 | if (lba < -150) lba = 0;\r |
108 | else lba += 150;\r |
109 | MSF->M = lba / (60 * 75);\r |
110 | MSF->S = (lba / 75) % 60;\r |
111 | MSF->F = lba % 75;\r |
112 | }\r |
113 | \r |
114 | \r |
115 | static unsigned int MSF_to_Track(_msf *MSF)\r |
116 | {\r |
117 | int i, Start, Cur;\r |
118 | \r |
119 | Start = (MSF->M << 16) + (MSF->S << 8) + MSF->F;\r |
120 | \r |
121 | for(i = Pico_mcd->scd.TOC.First_Track; i <= (Pico_mcd->scd.TOC.Last_Track + 1); i++)\r |
122 | {\r |
123 | Cur = Pico_mcd->scd.TOC.Tracks[i - Pico_mcd->scd.TOC.First_Track].MSF.M << 16;\r |
124 | Cur += Pico_mcd->scd.TOC.Tracks[i - Pico_mcd->scd.TOC.First_Track].MSF.S << 8;\r |
125 | Cur += Pico_mcd->scd.TOC.Tracks[i - Pico_mcd->scd.TOC.First_Track].MSF.F;\r |
126 | \r |
127 | if (Cur > Start) break;\r |
128 | }\r |
129 | \r |
130 | --i;\r |
131 | \r |
132 | if (i > Pico_mcd->scd.TOC.Last_Track) return 100;\r |
133 | if (i < Pico_mcd->scd.TOC.First_Track) i = Pico_mcd->scd.TOC.First_Track;\r |
134 | \r |
135 | return (unsigned) i;\r |
136 | }\r |
137 | \r |
138 | \r |
139 | static unsigned int LBA_to_Track(int lba)\r |
140 | {\r |
141 | _msf MSF;\r |
142 | \r |
143 | LBA_to_MSF(lba, &MSF);\r |
144 | return MSF_to_Track(&MSF);\r |
145 | }\r |
146 | \r |
147 | \r |
148 | static void Track_to_MSF(int track, _msf *MSF)\r |
149 | {\r |
150 | if (track < Pico_mcd->scd.TOC.First_Track) track = Pico_mcd->scd.TOC.First_Track;\r |
151 | else if (track > Pico_mcd->scd.TOC.Last_Track) track = Pico_mcd->scd.TOC.Last_Track;\r |
152 | \r |
153 | MSF->M = Pico_mcd->scd.TOC.Tracks[track - Pico_mcd->scd.TOC.First_Track].MSF.M;\r |
154 | MSF->S = Pico_mcd->scd.TOC.Tracks[track - Pico_mcd->scd.TOC.First_Track].MSF.S;\r |
155 | MSF->F = Pico_mcd->scd.TOC.Tracks[track - Pico_mcd->scd.TOC.First_Track].MSF.F;\r |
156 | }\r |
157 | \r |
158 | \r |
159 | int Track_to_LBA(int track)\r |
160 | {\r |
161 | _msf MSF;\r |
162 | \r |
163 | Track_to_MSF(track, &MSF);\r |
164 | return MSF_to_LBA(&MSF);\r |
165 | }\r |
166 | \r |
167 | \r |
168 | void Check_CD_Command(void)\r |
169 | {\r |
170 | cdprintf("CHECK CD COMMAND\n");\r |
171 | \r |
172 | // Check CDD\r |
173 | \r |
174 | if (CDD_Complete)\r |
175 | {\r |
176 | CDD_Complete = 0;\r |
177 | \r |
178 | CDD_Export_Status();\r |
179 | }\r |
180 | \r |
181 | // Check CDC\r |
182 | \r |
183 | if (Pico_mcd->scd.Status_CDC & 1) // CDC is reading data ...\r |
184 | {\r |
185 | cdprintf("Sending a read command\n");\r |
186 | \r |
187 | // DATA ?\r |
188 | if (Pico_mcd->scd.TOC.Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type)\r |
189 | Pico_mcd->s68k_regs[0x36] |= 0x01;\r |
190 | else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
191 | \r |
192 | if (File_Add_Delay == 0)\r |
193 | {\r |
194 | #if 0 // TODO\r |
195 | FILE_Read_One_LBA_CDC();\r |
196 | #endif\r |
197 | }\r |
198 | else File_Add_Delay--;\r |
199 | }\r |
200 | \r |
201 | if (Pico_mcd->scd.Status_CDD == FAST_FOW)\r |
202 | {\r |
203 | Pico_mcd->scd.Cur_LBA += 10;\r |
204 | CDC_Update_Header();\r |
205 | \r |
206 | }\r |
207 | else if (Pico_mcd->scd.Status_CDD == FAST_REV)\r |
208 | {\r |
209 | Pico_mcd->scd.Cur_LBA -= 10;\r |
210 | if (Pico_mcd->scd.Cur_LBA < -150) Pico_mcd->scd.Cur_LBA = -150;\r |
211 | CDC_Update_Header();\r |
212 | }\r |
213 | }\r |
214 | \r |
215 | \r |
216 | int Init_CD_Driver(void)\r |
217 | {\r |
218 | #if 0 // TODO\r |
219 | FILE_Init();\r |
220 | #endif\r |
221 | \r |
222 | return 0;\r |
223 | }\r |
224 | \r |
225 | \r |
226 | void End_CD_Driver(void)\r |
227 | {\r |
228 | #if 0 // TODO\r |
229 | FILE_End();\r |
230 | #endif\r |
231 | }\r |
232 | \r |
233 | \r |
234 | void Reset_CD(void)\r |
235 | {\r |
236 | Pico_mcd->scd.Cur_Track = 0;\r |
237 | Pico_mcd->scd.Cur_LBA = -150;\r |
238 | Pico_mcd->scd.Status_CDD = READY;\r |
239 | CDD_Complete = 0;\r |
240 | }\r |
241 | \r |
242 | \r |
243 | int Insert_CD(char *buf, char *iso_name)\r |
244 | {\r |
245 | // memset(CD_Audio_Buffer_L, 0, 4096 * 4);\r |
246 | // memset(CD_Audio_Buffer_R, 0, 4096 * 4);\r |
247 | \r |
248 | if (iso_name == NULL)\r |
249 | {\r |
250 | CD_Present = 0;\r |
251 | }\r |
252 | else\r |
253 | {\r |
254 | #if 0 // TODO\r |
255 | Load_ISO(buf, iso_name);\r |
256 | CD_Present = 1;\r |
257 | #endif\r |
258 | return 0;\r |
259 | }\r |
260 | \r |
261 | return 0;\r |
262 | }\r |
263 | \r |
264 | \r |
265 | void Stop_CD(void)\r |
266 | {\r |
267 | #if 0 // TODO\r |
268 | Unload_ISO();\r |
269 | #endif\r |
270 | CD_Present = 0;\r |
271 | }\r |
272 | \r |
273 | \r |
274 | void Change_CD(void)\r |
275 | {\r |
276 | if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) Close_Tray_CDD_cC();\r |
277 | else Open_Tray_CDD_cD();\r |
278 | }\r |
279 | \r |
280 | \r |
281 | int Get_Status_CDD_c0(void)\r |
282 | {\r |
283 | cdprintf("Status command : Cur LBA = %d\n", Pico_mcd->scd.Cur_LBA);\r |
284 | \r |
285 | // Clear immediat status\r |
286 | if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0200)\r |
287 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
288 | else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0700)\r |
289 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
290 | else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0E00)\r |
291 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
292 | \r |
293 | CDD_Complete = 1;\r |
294 | \r |
295 | return 0;\r |
296 | }\r |
297 | \r |
298 | \r |
299 | int Stop_CDD_c1(void)\r |
300 | {\r |
301 | CHECK_TRAY_OPEN\r |
302 | \r |
303 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
304 | \r |
305 | if (CD_Present) Pico_mcd->scd.Status_CDD = STOPPED;\r |
306 | else Pico_mcd->scd.Status_CDD = NOCD;\r |
307 | Pico_mcd->cdd.Status = 0x0000;\r |
308 | \r |
309 | Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r |
310 | \r |
311 | Pico_mcd->cdd.Minute = 0;\r |
312 | Pico_mcd->cdd.Seconde = 0;\r |
313 | Pico_mcd->cdd.Frame = 0;\r |
314 | Pico_mcd->cdd.Ext = 0;\r |
315 | \r |
316 | CDD_Complete = 1;\r |
317 | \r |
318 | return 0;\r |
319 | }\r |
320 | \r |
321 | \r |
322 | int Get_Pos_CDD_c20(void)\r |
323 | {\r |
324 | _msf MSF;\r |
325 | \r |
326 | cdprintf("command 200 : Cur LBA = %d\n", Pico_mcd->scd.Cur_LBA);\r |
327 | \r |
328 | CHECK_TRAY_OPEN\r |
329 | \r |
330 | Pico_mcd->cdd.Status &= 0xFF;\r |
331 | if (!CD_Present)\r |
332 | {\r |
333 | Pico_mcd->scd.Status_CDD = NOCD;\r |
334 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
335 | }\r |
336 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
337 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
338 | \r |
339 | cdprintf("Status CDD = %.4X Status = %.4X\n", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r |
340 | \r |
341 | LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r |
342 | \r |
343 | Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r |
344 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r |
345 | Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r |
346 | Pico_mcd->cdd.Ext = 0;\r |
347 | \r |
348 | CDD_Complete = 1;\r |
349 | \r |
350 | return 0;\r |
351 | }\r |
352 | \r |
353 | \r |
354 | int Get_Track_Pos_CDD_c21(void)\r |
355 | {\r |
356 | int elapsed_time;\r |
357 | _msf MSF;\r |
358 | \r |
359 | cdprintf("command 201 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
360 | \r |
361 | CHECK_TRAY_OPEN\r |
362 | \r |
363 | Pico_mcd->cdd.Status &= 0xFF;\r |
364 | if (!CD_Present)\r |
365 | {\r |
366 | Pico_mcd->scd.Status_CDD = NOCD;\r |
367 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
368 | }\r |
369 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
370 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
371 | \r |
372 | elapsed_time = Pico_mcd->scd.Cur_LBA - Track_to_LBA(LBA_to_Track(Pico_mcd->scd.Cur_LBA));\r |
373 | LBA_to_MSF(elapsed_time - 150, &MSF);\r |
374 | \r |
375 | cdprintf(" elapsed = %d\n", elapsed_time);\r |
376 | \r |
377 | Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r |
378 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r |
379 | Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r |
380 | Pico_mcd->cdd.Ext = 0;\r |
381 | \r |
382 | CDD_Complete = 1;\r |
383 | \r |
384 | return 0;\r |
385 | }\r |
386 | \r |
387 | \r |
388 | int Get_Current_Track_CDD_c22(void)\r |
389 | {\r |
390 | cdprintf("Status CDD = %.4X Status = %.4X\n", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r |
391 | \r |
392 | CHECK_TRAY_OPEN\r |
393 | \r |
394 | Pico_mcd->cdd.Status &= 0xFF;\r |
395 | if (!CD_Present)\r |
396 | {\r |
397 | Pico_mcd->scd.Status_CDD = NOCD;\r |
398 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
399 | }\r |
400 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
401 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
402 | \r |
403 | Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r |
404 | \r |
405 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
406 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
407 | Pico_mcd->cdd.Seconde = 0;\r |
408 | Pico_mcd->cdd.Frame = 0;\r |
409 | Pico_mcd->cdd.Ext = 0;\r |
410 | \r |
411 | CDD_Complete = 1;\r |
412 | \r |
413 | return 0;\r |
414 | }\r |
415 | \r |
416 | \r |
417 | int Get_Total_Lenght_CDD_c23(void)\r |
418 | {\r |
419 | CHECK_TRAY_OPEN\r |
420 | \r |
421 | Pico_mcd->cdd.Status &= 0xFF;\r |
422 | if (!CD_Present)\r |
423 | {\r |
424 | Pico_mcd->scd.Status_CDD = NOCD;\r |
425 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
426 | }\r |
427 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
428 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
429 | \r |
430 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.TOC.Tracks[Pico_mcd->scd.TOC.Last_Track -\r |
431 | Pico_mcd->scd.TOC.First_Track + 1].MSF.M);\r |
432 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->scd.TOC.Tracks[Pico_mcd->scd.TOC.Last_Track -\r |
433 | Pico_mcd->scd.TOC.First_Track + 1].MSF.S);\r |
434 | Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->scd.TOC.Tracks[Pico_mcd->scd.TOC.Last_Track -\r |
435 | Pico_mcd->scd.TOC.First_Track + 1].MSF.F);\r |
436 | Pico_mcd->cdd.Ext = 0;\r |
437 | \r |
438 | // FIXME: remove\r |
439 | Pico_mcd->cdd.Seconde = 2;\r |
440 | \r |
441 | CDD_Complete = 1;\r |
442 | \r |
443 | return 0;\r |
444 | }\r |
445 | \r |
446 | \r |
447 | int Get_First_Last_Track_CDD_c24(void)\r |
448 | {\r |
449 | CHECK_TRAY_OPEN\r |
450 | \r |
451 | Pico_mcd->cdd.Status &= 0xFF;\r |
452 | if (!CD_Present)\r |
453 | {\r |
454 | Pico_mcd->scd.Status_CDD = NOCD;\r |
455 | }\r |
456 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
457 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
458 | \r |
459 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.TOC.First_Track);\r |
460 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->scd.TOC.Last_Track);\r |
461 | Pico_mcd->cdd.Frame = 0;\r |
462 | Pico_mcd->cdd.Ext = 0;\r |
463 | \r |
464 | // FIXME: remove\r |
465 | Pico_mcd->cdd.Minute = Pico_mcd->cdd.Seconde = 1;\r |
466 | \r |
467 | CDD_Complete = 1;\r |
468 | \r |
469 | return 0;\r |
470 | }\r |
471 | \r |
472 | \r |
473 | int Get_Track_Adr_CDD_c25(void)\r |
474 | {\r |
475 | int track_number;\r |
476 | \r |
477 | CHECK_TRAY_OPEN\r |
478 | \r |
479 | // track number in TC4 & TC5\r |
480 | \r |
481 | track_number = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
482 | \r |
483 | Pico_mcd->cdd.Status &= 0xFF;\r |
484 | if (!CD_Present)\r |
485 | {\r |
486 | Pico_mcd->scd.Status_CDD = NOCD;\r |
487 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
488 | }\r |
489 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
490 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
491 | \r |
492 | if (track_number > Pico_mcd->scd.TOC.Last_Track) track_number = Pico_mcd->scd.TOC.Last_Track;\r |
493 | else if (track_number < Pico_mcd->scd.TOC.First_Track) track_number = Pico_mcd->scd.TOC.First_Track;\r |
494 | \r |
495 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.TOC.Tracks[track_number - Pico_mcd->scd.TOC.First_Track].MSF.M);\r |
496 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->scd.TOC.Tracks[track_number - Pico_mcd->scd.TOC.First_Track].MSF.S);\r |
497 | Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->scd.TOC.Tracks[track_number - Pico_mcd->scd.TOC.First_Track].MSF.F);\r |
498 | Pico_mcd->cdd.Ext = track_number % 10;\r |
499 | \r |
500 | if (Pico_mcd->scd.TOC.Tracks[track_number - Pico_mcd->scd.TOC.First_Track].Type) Pico_mcd->cdd.Frame |= 0x0800;\r |
501 | \r |
502 | CDD_Complete = 1;\r |
503 | return 0;\r |
504 | }\r |
505 | \r |
506 | \r |
507 | int Play_CDD_c3(void)\r |
508 | {\r |
509 | _msf MSF;\r |
510 | int delay, new_lba;\r |
511 | \r |
512 | CHECK_TRAY_OPEN\r |
513 | CHECK_CD_PRESENT\r |
514 | \r |
515 | // MSF of the track to play in TC buffer\r |
516 | \r |
517 | MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r |
518 | MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
519 | MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r |
520 | \r |
521 | Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r |
522 | \r |
523 | new_lba = MSF_to_LBA(&MSF);\r |
524 | delay = new_lba - Pico_mcd->scd.Cur_LBA;\r |
525 | if (delay < 0) delay = -delay;\r |
526 | delay >>= 12;\r |
527 | \r |
528 | Pico_mcd->scd.Cur_LBA = new_lba;\r |
529 | CDC_Update_Header();\r |
530 | \r |
531 | cdprintf("Read : Cur LBA = %d, M=%d, S=%d, F=%d\n", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);\r |
532 | \r |
533 | if (Pico_mcd->scd.Status_CDD != PLAYING) delay += 20;\r |
534 | \r |
535 | Pico_mcd->scd.Status_CDD = PLAYING;\r |
536 | Pico_mcd->cdd.Status = 0x0102;\r |
537 | // Pico_mcd->cdd.Status = COMM_OK;\r |
538 | \r |
539 | if (File_Add_Delay == 0) File_Add_Delay = delay;\r |
540 | \r |
541 | if (Pico_mcd->scd.TOC.Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type)\r |
542 | {\r |
543 | Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r |
544 | }\r |
545 | else\r |
546 | {\r |
547 | Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
548 | //CD_Audio_Starting = 1;\r |
549 | #if 0 // TODO\r |
550 | FILE_Play_CD_LBA();\r |
551 | #endif\r |
552 | }\r |
553 | \r |
554 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
555 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
556 | Pico_mcd->cdd.Seconde = 0;\r |
557 | Pico_mcd->cdd.Frame = 0;\r |
558 | Pico_mcd->cdd.Ext = 0;\r |
559 | \r |
560 | Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r |
561 | \r |
562 | CDD_Complete = 1;\r |
563 | return 0;\r |
564 | }\r |
565 | \r |
566 | \r |
567 | int Seek_CDD_c4(void)\r |
568 | {\r |
569 | _msf MSF;\r |
570 | \r |
571 | CHECK_TRAY_OPEN\r |
572 | CHECK_CD_PRESENT\r |
573 | \r |
574 | // MSF to seek in TC buffer\r |
575 | \r |
576 | MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r |
577 | MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
578 | MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r |
579 | \r |
580 | Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r |
581 | Pico_mcd->scd.Cur_LBA = MSF_to_LBA(&MSF);\r |
582 | CDC_Update_Header();\r |
583 | \r |
584 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
585 | \r |
586 | Pico_mcd->scd.Status_CDD = READY;\r |
587 | Pico_mcd->cdd.Status = 0x0200;\r |
588 | \r |
589 | // DATA ?\r |
590 | if (Pico_mcd->scd.TOC.Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type)\r |
591 | Pico_mcd->s68k_regs[0x36] |= 0x01;\r |
592 | else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
593 | \r |
594 | Pico_mcd->cdd.Minute = 0;\r |
595 | Pico_mcd->cdd.Seconde = 0;\r |
596 | Pico_mcd->cdd.Frame = 0;\r |
597 | Pico_mcd->cdd.Ext = 0;\r |
598 | \r |
599 | CDD_Complete = 1;\r |
600 | \r |
601 | return 0;\r |
602 | }\r |
603 | \r |
604 | \r |
605 | int Pause_CDD_c6(void)\r |
606 | {\r |
607 | CHECK_TRAY_OPEN\r |
608 | CHECK_CD_PRESENT\r |
609 | \r |
610 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read to start a new one if raw data\r |
611 | \r |
612 | Pico_mcd->scd.Status_CDD = READY;\r |
613 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
614 | \r |
615 | Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r |
616 | \r |
617 | Pico_mcd->cdd.Minute = 0;\r |
618 | Pico_mcd->cdd.Seconde = 0;\r |
619 | Pico_mcd->cdd.Frame = 0;\r |
620 | Pico_mcd->cdd.Ext = 0;\r |
621 | \r |
622 | CDD_Complete = 1;\r |
623 | \r |
624 | return 0;\r |
625 | }\r |
626 | \r |
627 | \r |
628 | int Resume_CDD_c7(void)\r |
629 | {\r |
630 | CHECK_TRAY_OPEN\r |
631 | CHECK_CD_PRESENT\r |
632 | \r |
633 | Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r |
634 | \r |
635 | #ifdef DEBUG_CD\r |
636 | {\r |
637 | _msf MSF;\r |
638 | LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r |
639 | cdprintf("Resume read : Cur LBA = %d, M=%d, S=%d, F=%d\n", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);\r |
640 | }\r |
641 | #endif\r |
642 | \r |
643 | Pico_mcd->scd.Status_CDD = PLAYING;\r |
644 | Pico_mcd->cdd.Status = 0x0102;\r |
645 | \r |
646 | if (Pico_mcd->scd.TOC.Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type)\r |
647 | {\r |
648 | Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r |
649 | }\r |
650 | else\r |
651 | {\r |
652 | Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
653 | //CD_Audio_Starting = 1;\r |
654 | #if 0 // TODO\r |
655 | FILE_Play_CD_LBA();\r |
656 | #endif\r |
657 | }\r |
658 | \r |
659 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
660 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
661 | Pico_mcd->cdd.Seconde = 0;\r |
662 | Pico_mcd->cdd.Frame = 0;\r |
663 | Pico_mcd->cdd.Ext = 0;\r |
664 | \r |
665 | Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r |
666 | \r |
667 | CDD_Complete = 1;\r |
668 | return 0;\r |
669 | }\r |
670 | \r |
671 | \r |
672 | int Fast_Foward_CDD_c8(void)\r |
673 | {\r |
674 | CHECK_TRAY_OPEN\r |
675 | CHECK_CD_PRESENT\r |
676 | \r |
677 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
678 | \r |
679 | Pico_mcd->scd.Status_CDD = FAST_FOW;\r |
680 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r |
681 | \r |
682 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
683 | Pico_mcd->cdd.Seconde = 0;\r |
684 | Pico_mcd->cdd.Frame = 0;\r |
685 | Pico_mcd->cdd.Ext = 0;\r |
686 | \r |
687 | CDD_Complete = 1;\r |
688 | \r |
689 | return 0;\r |
690 | }\r |
691 | \r |
692 | \r |
693 | int Fast_Rewind_CDD_c9(void)\r |
694 | {\r |
695 | CHECK_TRAY_OPEN\r |
696 | CHECK_CD_PRESENT\r |
697 | \r |
698 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
699 | \r |
700 | Pico_mcd->scd.Status_CDD = FAST_REV;\r |
701 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r |
702 | \r |
703 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
704 | Pico_mcd->cdd.Seconde = 0;\r |
705 | Pico_mcd->cdd.Frame = 0;\r |
706 | Pico_mcd->cdd.Ext = 0;\r |
707 | \r |
708 | CDD_Complete = 1;\r |
709 | \r |
710 | return 0;\r |
711 | }\r |
712 | \r |
713 | \r |
714 | int Close_Tray_CDD_cC(void)\r |
715 | {\r |
716 | //Clear_Sound_Buffer();\r |
717 | \r |
718 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
719 | \r |
720 | {\r |
721 | #if 0 // TODO\r |
722 | char new_iso[1024];\r |
723 | \r |
724 | memset(new_iso, 0, 1024);\r |
725 | \r |
726 | while (!Change_File_L(new_iso, Rom_Dir, "Load SegaCD image file", "SegaCD image file\0*.bin;*.iso;*.raw\0All files\0*.*\0\0", ""));\r |
727 | Reload_SegaCD(new_iso);\r |
728 | \r |
729 | CD_Present = 1;\r |
730 | #else\r |
731 | CD_Present = 0;\r |
732 | #endif\r |
733 | Pico_mcd->scd.Status_CDD = STOPPED;\r |
734 | Pico_mcd->cdd.Status = 0x0000;\r |
735 | \r |
736 | Pico_mcd->cdd.Minute = 0;\r |
737 | Pico_mcd->cdd.Seconde = 0;\r |
738 | Pico_mcd->cdd.Frame = 0;\r |
739 | Pico_mcd->cdd.Ext = 0;\r |
740 | }\r |
741 | \r |
742 | CDD_Complete = 1;\r |
743 | \r |
744 | return 0;\r |
745 | }\r |
746 | \r |
747 | \r |
748 | int Open_Tray_CDD_cD(void)\r |
749 | {\r |
750 | CHECK_TRAY_OPEN\r |
751 | \r |
752 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
753 | \r |
754 | #if 0 // TODO\r |
755 | Unload_ISO();\r |
756 | #endif\r |
757 | CD_Present = 0;\r |
758 | \r |
759 | Pico_mcd->scd.Status_CDD = TRAY_OPEN;\r |
760 | Pico_mcd->cdd.Status = 0x0E00;\r |
761 | \r |
762 | Pico_mcd->cdd.Minute = 0;\r |
763 | Pico_mcd->cdd.Seconde = 0;\r |
764 | Pico_mcd->cdd.Frame = 0;\r |
765 | Pico_mcd->cdd.Ext = 0;\r |
766 | \r |
767 | CDD_Complete = 1;\r |
768 | \r |
769 | return 0;\r |
770 | }\r |
771 | \r |
772 | \r |
773 | int CDD_cA(void)\r |
774 | {\r |
775 | CHECK_TRAY_OPEN\r |
776 | CHECK_CD_PRESENT\r |
777 | \r |
778 | Pico_mcd->scd.Status_CDC &= ~1;\r |
779 | \r |
780 | Pico_mcd->scd.Status_CDD = READY;\r |
781 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
782 | \r |
783 | Pico_mcd->cdd.Minute = 0;\r |
784 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(1);\r |
785 | Pico_mcd->cdd.Frame = INT_TO_BCDW(1);\r |
786 | Pico_mcd->cdd.Ext = 0;\r |
787 | \r |
788 | CDD_Complete = 1;\r |
789 | \r |
790 | return 0;\r |
791 | }\r |
792 | \r |
793 | \r |
794 | int CDD_Def(void)\r |
795 | {\r |
796 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
797 | \r |
798 | Pico_mcd->cdd.Minute = 0;\r |
799 | Pico_mcd->cdd.Seconde = 0;\r |
800 | Pico_mcd->cdd.Frame = 0;\r |
801 | Pico_mcd->cdd.Ext = 0;\r |
802 | \r |
803 | return 0;\r |
804 | }\r |
805 | \r |
806 | \r |
807 | \r |
808 | \r |
809 | /***************************\r |
810 | * Others CD functions *\r |
811 | **************************/\r |
812 | \r |
813 | \r |
814 | // do we need them?\r |
815 | #if 0\r |
816 | void Write_CD_Audio(short *Buf, int rate, int channel, int lenght)\r |
817 | {\r |
818 | unsigned int lenght_src, lenght_dst;\r |
819 | unsigned int pos_src, pas_src;\r |
820 | \r |
821 | if (rate == 0) return;\r |
822 | if (Sound_Rate == 0) return;\r |
823 | \r |
824 | if (CD_Audio_Starting)\r |
825 | {\r |
826 | CD_Audio_Starting = 0;\r |
827 | memset(CD_Audio_Buffer_L, 0, 4096 * 4);\r |
828 | memset(CD_Audio_Buffer_R, 0, 4096 * 4);\r |
829 | CD_Audio_Buffer_Write_Pos = (CD_Audio_Buffer_Read_Pos + 2000) & 0xFFF;\r |
830 | }\r |
831 | \r |
832 | lenght_src = rate / 75; // 75th of a second\r |
833 | lenght_dst = Sound_Rate / 75; // 75th of a second\r |
834 | \r |
835 | pas_src = (lenght_src << 16) / lenght_dst;\r |
836 | pos_src = 0;\r |
837 | \r |
838 | #ifdef DEBUG_CD\r |
839 | fprintf(debug_SCD_file, "\n********* Write Pos = %d ", CD_Audio_Buffer_Write_Pos);\r |
840 | #endif\r |
841 | \r |
842 | if (channel == 2)\r |
843 | {\r |
844 | __asm\r |
845 | {\r |
846 | mov edi, CD_Audio_Buffer_Write_Pos\r |
847 | mov ebx, Buf\r |
848 | xor esi, esi\r |
849 | mov ecx, lenght_dst\r |
850 | xor eax, eax\r |
851 | mov edx, pas_src\r |
852 | dec ecx\r |
853 | jmp short loop_stereo\r |
854 | \r |
855 | align 16\r |
856 | \r |
857 | loop_stereo:\r |
858 | movsx eax, word ptr [ebx + esi * 4]\r |
859 | mov CD_Audio_Buffer_L[edi * 4], eax\r |
860 | movsx eax, word ptr [ebx + esi * 4 + 2]\r |
861 | mov CD_Audio_Buffer_R[edi * 4], eax\r |
862 | mov esi, dword ptr pos_src\r |
863 | inc edi\r |
864 | add esi, edx\r |
865 | and edi, 0xFFF\r |
866 | mov dword ptr pos_src, esi\r |
867 | shr esi, 16\r |
868 | dec ecx\r |
869 | jns short loop_stereo\r |
870 | \r |
871 | mov CD_Audio_Buffer_Write_Pos, edi\r |
872 | }\r |
873 | }\r |
874 | else\r |
875 | {\r |
876 | __asm\r |
877 | {\r |
878 | mov edi, CD_Audio_Buffer_Write_Pos\r |
879 | mov ebx, Buf\r |
880 | xor esi, esi\r |
881 | mov ecx, lenght_dst\r |
882 | xor eax, eax\r |
883 | mov edx, pas_src\r |
884 | dec ecx\r |
885 | jmp short loop_mono\r |
886 | \r |
887 | align 16\r |
888 | \r |
889 | loop_mono:\r |
890 | movsx eax, word ptr [ebx + esi * 2]\r |
891 | mov CD_Audio_Buffer_L[edi * 4], eax\r |
892 | mov CD_Audio_Buffer_R[edi * 4], eax\r |
893 | mov esi, dword ptr pos_src\r |
894 | inc edi\r |
895 | add esi, edx\r |
896 | and edi, 0xFFF\r |
897 | mov dword ptr pos_src, esi\r |
898 | shr esi, 16\r |
899 | dec ecx\r |
900 | jns short loop_mono\r |
901 | \r |
902 | mov CD_Audio_Buffer_Write_Pos, edi\r |
903 | }\r |
904 | }\r |
905 | \r |
906 | #ifdef DEBUG_CD\r |
907 | fprintf(debug_SCD_file, "Write Pos 2 = %d\n\n", CD_Audio_Buffer_Write_Pos);\r |
908 | #endif\r |
909 | }\r |
910 | \r |
911 | \r |
912 | void Update_CD_Audio(int **buf, int lenght)\r |
913 | {\r |
914 | int *Buf_L, *Buf_R;\r |
915 | int diff;\r |
916 | \r |
917 | Buf_L = buf[0];\r |
918 | Buf_R = buf[1];\r |
919 | \r |
920 | if (Pico_mcd->s68k_regs[0x36] & 0x01) return;\r |
921 | if (!(Pico_mcd->scd.Status_CDC & 1)) return;\r |
922 | if (CD_Audio_Starting) return;\r |
923 | \r |
924 | #ifdef DEBUG_CD\r |
925 | fprintf(debug_SCD_file, "\n********* Read Pos Normal = %d ", CD_Audio_Buffer_Read_Pos);\r |
926 | #endif\r |
927 | \r |
928 | if (CD_Audio_Buffer_Write_Pos < CD_Audio_Buffer_Read_Pos)\r |
929 | {\r |
930 | diff = CD_Audio_Buffer_Write_Pos + (4096) - CD_Audio_Buffer_Read_Pos;\r |
931 | }\r |
932 | else\r |
933 | {\r |
934 | diff = CD_Audio_Buffer_Write_Pos - CD_Audio_Buffer_Read_Pos;\r |
935 | }\r |
936 | \r |
937 | if (diff < 500) CD_Audio_Buffer_Read_Pos -= 2000;\r |
938 | else if (diff > 3500) CD_Audio_Buffer_Read_Pos += 2000;\r |
939 | \r |
940 | #ifdef DEBUG_CD\r |
941 | else fprintf(debug_SCD_file, " pas de modifs ");\r |
942 | #endif\r |
943 | \r |
944 | CD_Audio_Buffer_Read_Pos &= 0xFFF;\r |
945 | \r |
946 | #ifdef DEBUG_CD\r |
947 | fprintf(debug_SCD_file, "Read Pos = %d ", CD_Audio_Buffer_Read_Pos);\r |
948 | #endif\r |
949 | \r |
950 | if (CDDA_Enable)\r |
951 | {\r |
952 | __asm\r |
953 | {\r |
954 | mov ecx, lenght\r |
955 | mov esi, CD_Audio_Buffer_Read_Pos\r |
956 | mov edi, Buf_L\r |
957 | dec ecx\r |
958 | \r |
959 | loop_L:\r |
960 | mov eax, CD_Audio_Buffer_L[esi * 4]\r |
961 | add [edi], eax\r |
962 | inc esi\r |
963 | add edi, 4\r |
964 | and esi, 0xFFF\r |
965 | dec ecx\r |
966 | jns short loop_L\r |
967 | \r |
968 | mov ecx, lenght\r |
969 | mov esi, CD_Audio_Buffer_Read_Pos\r |
970 | mov edi, Buf_R\r |
971 | dec ecx\r |
972 | \r |
973 | loop_R:\r |
974 | mov eax, CD_Audio_Buffer_R[esi * 4]\r |
975 | add [edi], eax\r |
976 | inc esi\r |
977 | add edi, 4\r |
978 | and esi, 0xFFF\r |
979 | dec ecx\r |
980 | jns short loop_R\r |
981 | \r |
982 | mov CD_Audio_Buffer_Read_Pos, esi\r |
983 | }\r |
984 | }\r |
985 | else\r |
986 | {\r |
987 | CD_Audio_Buffer_Read_Pos += lenght;\r |
988 | CD_Audio_Buffer_Read_Pos &= 0xFFF;\r |
989 | }\r |
990 | \r |
991 | #ifdef DEBUG_CD\r |
992 | fprintf(debug_SCD_file, "Read Pos 2 = %d\n\n", CD_Audio_Buffer_Read_Pos);\r |
993 | #endif\r |
994 | }\r |
995 | #endif\r |
996 | \r |