6cadc2da |
1 | /***********************************************************\r |
2 | * *\r |
3 | * This source was taken from the Gens project *\r |
4 | * Written by Stéphane Dallongeville *\r |
5 | * Copyright (c) 2002 by Stéphane Dallongeville *\r |
6 | * Modified/adapted for PicoDrive by notaz, 2007 *\r |
7 | * *\r |
8 | ***********************************************************/\r |
9 | \r |
cc68a136 |
10 | #include <stdio.h>\r |
11 | #include "cd_sys.h"\r |
bf098bc5 |
12 | #include "cd_file.h"\r |
cc68a136 |
13 | \r |
14 | #include "../PicoInt.h"\r |
15 | \r |
c459aefd |
16 | #define cdprintf dprintf\r |
cc68a136 |
17 | //#define cdprintf(x...)\r |
c459aefd |
18 | #define DEBUG_CD\r |
cc68a136 |
19 | \r |
20 | #define TRAY_OPEN 0x0500 // TRAY OPEN CDD status\r |
21 | #define NOCD 0x0000 // CD removed CDD status\r |
22 | #define STOPPED 0x0900 // STOPPED CDD status (happen after stop or close tray command)\r |
23 | #define READY 0x0400 // READY CDD status (also used for seeking)\r |
24 | #define FAST_FOW 0x0300 // FAST FORWARD track CDD status\r |
25 | #define FAST_REV 0x10300 // FAST REVERSE track CDD status\r |
26 | #define PLAYING 0x0100 // PLAYING audio track CDD status\r |
27 | \r |
cc68a136 |
28 | \r |
cc68a136 |
29 | static int CD_Present = 0;\r |
cc68a136 |
30 | \r |
31 | \r |
32 | #define CHECK_TRAY_OPEN \\r |
33 | if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) \\r |
34 | { \\r |
35 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r |
36 | \\r |
37 | Pico_mcd->cdd.Minute = 0; \\r |
38 | Pico_mcd->cdd.Seconde = 0; \\r |
39 | Pico_mcd->cdd.Frame = 0; \\r |
40 | Pico_mcd->cdd.Ext = 0; \\r |
41 | \\r |
51a902ae |
42 | Pico_mcd->scd.CDD_Complete = 1; \\r |
cc68a136 |
43 | \\r |
44 | return 2; \\r |
45 | }\r |
46 | \r |
47 | \r |
48 | #define CHECK_CD_PRESENT \\r |
49 | if (!CD_Present) \\r |
50 | { \\r |
51 | Pico_mcd->scd.Status_CDD = NOCD; \\r |
52 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r |
53 | \\r |
54 | Pico_mcd->cdd.Minute = 0; \\r |
55 | Pico_mcd->cdd.Seconde = 0; \\r |
56 | Pico_mcd->cdd.Frame = 0; \\r |
57 | Pico_mcd->cdd.Ext = 0; \\r |
58 | \\r |
51a902ae |
59 | Pico_mcd->scd.CDD_Complete = 1; \\r |
cc68a136 |
60 | \\r |
61 | return 3; \\r |
62 | }\r |
63 | \r |
64 | \r |
cc68a136 |
65 | static int MSF_to_LBA(_msf *MSF)\r |
66 | {\r |
67 | return (MSF->M * 60 * 75) + (MSF->S * 75) + MSF->F - 150;\r |
68 | }\r |
69 | \r |
70 | \r |
71 | void LBA_to_MSF(int lba, _msf *MSF)\r |
72 | {\r |
73 | if (lba < -150) lba = 0;\r |
74 | else lba += 150;\r |
75 | MSF->M = lba / (60 * 75);\r |
76 | MSF->S = (lba / 75) % 60;\r |
77 | MSF->F = lba % 75;\r |
78 | }\r |
79 | \r |
80 | \r |
81 | static unsigned int MSF_to_Track(_msf *MSF)\r |
82 | {\r |
83 | int i, Start, Cur;\r |
84 | \r |
85 | Start = (MSF->M << 16) + (MSF->S << 8) + MSF->F;\r |
86 | \r |
75736070 |
87 | for(i = 1; i <= (Pico_mcd->TOC.Last_Track + 1); i++)\r |
cc68a136 |
88 | {\r |
75736070 |
89 | Cur = Pico_mcd->TOC.Tracks[i - 1].MSF.M << 16;\r |
90 | Cur += Pico_mcd->TOC.Tracks[i - 1].MSF.S << 8;\r |
91 | Cur += Pico_mcd->TOC.Tracks[i - 1].MSF.F;\r |
cc68a136 |
92 | \r |
93 | if (Cur > Start) break;\r |
94 | }\r |
95 | \r |
96 | --i;\r |
97 | \r |
75736070 |
98 | if (i > Pico_mcd->TOC.Last_Track) return 100;\r |
99 | else if (i < 1) i = 1;\r |
cc68a136 |
100 | \r |
101 | return (unsigned) i;\r |
102 | }\r |
103 | \r |
104 | \r |
105 | static unsigned int LBA_to_Track(int lba)\r |
106 | {\r |
107 | _msf MSF;\r |
108 | \r |
109 | LBA_to_MSF(lba, &MSF);\r |
110 | return MSF_to_Track(&MSF);\r |
111 | }\r |
112 | \r |
113 | \r |
114 | static void Track_to_MSF(int track, _msf *MSF)\r |
115 | {\r |
75736070 |
116 | if (track < 1) track = 1;\r |
117 | else if (track > Pico_mcd->TOC.Last_Track) track = Pico_mcd->TOC.Last_Track;\r |
cc68a136 |
118 | \r |
75736070 |
119 | MSF->M = Pico_mcd->TOC.Tracks[track - 1].MSF.M;\r |
120 | MSF->S = Pico_mcd->TOC.Tracks[track - 1].MSF.S;\r |
121 | MSF->F = Pico_mcd->TOC.Tracks[track - 1].MSF.F;\r |
cc68a136 |
122 | }\r |
123 | \r |
124 | \r |
125 | int Track_to_LBA(int track)\r |
126 | {\r |
127 | _msf MSF;\r |
128 | \r |
129 | Track_to_MSF(track, &MSF);\r |
130 | return MSF_to_LBA(&MSF);\r |
131 | }\r |
132 | \r |
133 | \r |
134 | void Check_CD_Command(void)\r |
135 | {\r |
c459aefd |
136 | cdprintf("CHECK CD COMMAND");\r |
cc68a136 |
137 | \r |
cc68a136 |
138 | // Check CDC\r |
cc68a136 |
139 | if (Pico_mcd->scd.Status_CDC & 1) // CDC is reading data ...\r |
140 | {\r |
c459aefd |
141 | cdprintf("Got a read command");\r |
cc68a136 |
142 | \r |
143 | // DATA ?\r |
75736070 |
144 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
145 | Pico_mcd->s68k_regs[0x36] |= 0x01;\r |
146 | else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
147 | \r |
51a902ae |
148 | if (Pico_mcd->scd.File_Add_Delay == 0)\r |
cc68a136 |
149 | {\r |
cc68a136 |
150 | FILE_Read_One_LBA_CDC();\r |
cc68a136 |
151 | }\r |
51a902ae |
152 | else Pico_mcd->scd.File_Add_Delay--;\r |
cc68a136 |
153 | }\r |
154 | \r |
1cd356a3 |
155 | // Check CDD\r |
156 | if (Pico_mcd->scd.CDD_Complete)\r |
157 | {\r |
158 | Pico_mcd->scd.CDD_Complete = 0;\r |
159 | \r |
160 | CDD_Export_Status();\r |
161 | }\r |
162 | \r |
cc68a136 |
163 | if (Pico_mcd->scd.Status_CDD == FAST_FOW)\r |
164 | {\r |
165 | Pico_mcd->scd.Cur_LBA += 10;\r |
166 | CDC_Update_Header();\r |
167 | \r |
168 | }\r |
169 | else if (Pico_mcd->scd.Status_CDD == FAST_REV)\r |
170 | {\r |
171 | Pico_mcd->scd.Cur_LBA -= 10;\r |
172 | if (Pico_mcd->scd.Cur_LBA < -150) Pico_mcd->scd.Cur_LBA = -150;\r |
173 | CDC_Update_Header();\r |
174 | }\r |
175 | }\r |
176 | \r |
177 | \r |
178 | int Init_CD_Driver(void)\r |
179 | {\r |
cc68a136 |
180 | return 0;\r |
181 | }\r |
182 | \r |
183 | \r |
184 | void End_CD_Driver(void)\r |
185 | {\r |
cc68a136 |
186 | FILE_End();\r |
cc68a136 |
187 | }\r |
188 | \r |
189 | \r |
190 | void Reset_CD(void)\r |
191 | {\r |
192 | Pico_mcd->scd.Cur_Track = 0;\r |
193 | Pico_mcd->scd.Cur_LBA = -150;\r |
5c69a605 |
194 | Pico_mcd->scd.Status_CDC &= ~1;\r |
721cd396 |
195 | Pico_mcd->scd.Status_CDD = CD_Present ? READY : NOCD;\r |
51a902ae |
196 | Pico_mcd->scd.CDD_Complete = 0;\r |
5c69a605 |
197 | Pico_mcd->scd.File_Add_Delay = 0;\r |
cc68a136 |
198 | }\r |
199 | \r |
200 | \r |
bf098bc5 |
201 | int Insert_CD(char *iso_name, int is_bin)\r |
cc68a136 |
202 | {\r |
bf098bc5 |
203 | int ret = 0;\r |
204 | \r |
cc68a136 |
205 | // memset(CD_Audio_Buffer_L, 0, 4096 * 4);\r |
206 | // memset(CD_Audio_Buffer_R, 0, 4096 * 4);\r |
207 | \r |
bf098bc5 |
208 | CD_Present = 0;\r |
721cd396 |
209 | Pico_mcd->scd.Status_CDD = NOCD;\r |
bf098bc5 |
210 | \r |
211 | if (iso_name != NULL)\r |
cc68a136 |
212 | {\r |
bf098bc5 |
213 | ret = Load_ISO(iso_name, is_bin);\r |
721cd396 |
214 | if (ret == 0) {\r |
bf098bc5 |
215 | CD_Present = 1;\r |
721cd396 |
216 | Pico_mcd->scd.Status_CDD = READY;\r |
217 | }\r |
cc68a136 |
218 | }\r |
219 | \r |
bf098bc5 |
220 | return ret;\r |
cc68a136 |
221 | }\r |
222 | \r |
223 | \r |
224 | void Stop_CD(void)\r |
225 | {\r |
cc68a136 |
226 | Unload_ISO();\r |
cc68a136 |
227 | CD_Present = 0;\r |
228 | }\r |
229 | \r |
230 | \r |
231 | void Change_CD(void)\r |
232 | {\r |
233 | if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) Close_Tray_CDD_cC();\r |
234 | else Open_Tray_CDD_cD();\r |
235 | }\r |
236 | \r |
237 | \r |
238 | int Get_Status_CDD_c0(void)\r |
239 | {\r |
c459aefd |
240 | cdprintf("Status command : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
cc68a136 |
241 | \r |
242 | // Clear immediat status\r |
243 | if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0200)\r |
244 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
245 | else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0700)\r |
246 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
247 | else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0E00)\r |
248 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
249 | \r |
51a902ae |
250 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
251 | \r |
252 | return 0;\r |
253 | }\r |
254 | \r |
255 | \r |
256 | int Stop_CDD_c1(void)\r |
257 | {\r |
258 | CHECK_TRAY_OPEN\r |
259 | \r |
260 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
261 | \r |
262 | if (CD_Present) Pico_mcd->scd.Status_CDD = STOPPED;\r |
263 | else Pico_mcd->scd.Status_CDD = NOCD;\r |
264 | Pico_mcd->cdd.Status = 0x0000;\r |
265 | \r |
266 | Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r |
267 | \r |
268 | Pico_mcd->cdd.Minute = 0;\r |
269 | Pico_mcd->cdd.Seconde = 0;\r |
270 | Pico_mcd->cdd.Frame = 0;\r |
271 | Pico_mcd->cdd.Ext = 0;\r |
272 | \r |
51a902ae |
273 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
274 | \r |
275 | return 0;\r |
276 | }\r |
277 | \r |
278 | \r |
279 | int Get_Pos_CDD_c20(void)\r |
280 | {\r |
281 | _msf MSF;\r |
282 | \r |
c459aefd |
283 | cdprintf("command 200 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
cc68a136 |
284 | \r |
285 | CHECK_TRAY_OPEN\r |
286 | \r |
287 | Pico_mcd->cdd.Status &= 0xFF;\r |
288 | if (!CD_Present)\r |
289 | {\r |
290 | Pico_mcd->scd.Status_CDD = NOCD;\r |
291 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
292 | }\r |
293 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
294 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
295 | \r |
c459aefd |
296 | cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r |
cc68a136 |
297 | \r |
298 | LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r |
299 | \r |
300 | Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r |
301 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r |
302 | Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r |
303 | Pico_mcd->cdd.Ext = 0;\r |
304 | \r |
51a902ae |
305 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
306 | \r |
307 | return 0;\r |
308 | }\r |
309 | \r |
310 | \r |
311 | int Get_Track_Pos_CDD_c21(void)\r |
312 | {\r |
313 | int elapsed_time;\r |
314 | _msf MSF;\r |
315 | \r |
316 | cdprintf("command 201 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
317 | \r |
318 | CHECK_TRAY_OPEN\r |
319 | \r |
320 | Pico_mcd->cdd.Status &= 0xFF;\r |
321 | if (!CD_Present)\r |
322 | {\r |
323 | Pico_mcd->scd.Status_CDD = NOCD;\r |
324 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
325 | }\r |
326 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
327 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
328 | \r |
329 | elapsed_time = Pico_mcd->scd.Cur_LBA - Track_to_LBA(LBA_to_Track(Pico_mcd->scd.Cur_LBA));\r |
330 | LBA_to_MSF(elapsed_time - 150, &MSF);\r |
331 | \r |
c459aefd |
332 | cdprintf(" elapsed = %d", elapsed_time);\r |
cc68a136 |
333 | \r |
334 | Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r |
335 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r |
336 | Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r |
337 | Pico_mcd->cdd.Ext = 0;\r |
338 | \r |
51a902ae |
339 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
340 | \r |
341 | return 0;\r |
342 | }\r |
343 | \r |
344 | \r |
345 | int Get_Current_Track_CDD_c22(void)\r |
346 | {\r |
c459aefd |
347 | cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r |
cc68a136 |
348 | \r |
349 | CHECK_TRAY_OPEN\r |
350 | \r |
351 | Pico_mcd->cdd.Status &= 0xFF;\r |
352 | if (!CD_Present)\r |
353 | {\r |
354 | Pico_mcd->scd.Status_CDD = NOCD;\r |
355 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
356 | }\r |
357 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
358 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
359 | \r |
360 | Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r |
361 | \r |
362 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
363 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
364 | Pico_mcd->cdd.Seconde = 0;\r |
365 | Pico_mcd->cdd.Frame = 0;\r |
366 | Pico_mcd->cdd.Ext = 0;\r |
367 | \r |
51a902ae |
368 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
369 | \r |
370 | return 0;\r |
371 | }\r |
372 | \r |
373 | \r |
374 | int Get_Total_Lenght_CDD_c23(void)\r |
375 | {\r |
376 | CHECK_TRAY_OPEN\r |
377 | \r |
378 | Pico_mcd->cdd.Status &= 0xFF;\r |
379 | if (!CD_Present)\r |
380 | {\r |
381 | Pico_mcd->scd.Status_CDD = NOCD;\r |
382 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
383 | }\r |
384 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
385 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
386 | \r |
75736070 |
387 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.M);\r |
388 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.S);\r |
389 | Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.F);\r |
cc68a136 |
390 | Pico_mcd->cdd.Ext = 0;\r |
391 | \r |
51a902ae |
392 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
393 | \r |
394 | return 0;\r |
395 | }\r |
396 | \r |
397 | \r |
398 | int Get_First_Last_Track_CDD_c24(void)\r |
399 | {\r |
400 | CHECK_TRAY_OPEN\r |
401 | \r |
402 | Pico_mcd->cdd.Status &= 0xFF;\r |
403 | if (!CD_Present)\r |
404 | {\r |
405 | Pico_mcd->scd.Status_CDD = NOCD;\r |
406 | }\r |
407 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
408 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
409 | \r |
75736070 |
410 | Pico_mcd->cdd.Minute = INT_TO_BCDW(1);\r |
411 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Last_Track);\r |
cc68a136 |
412 | Pico_mcd->cdd.Frame = 0;\r |
413 | Pico_mcd->cdd.Ext = 0;\r |
414 | \r |
51a902ae |
415 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
416 | \r |
417 | return 0;\r |
418 | }\r |
419 | \r |
420 | \r |
421 | int Get_Track_Adr_CDD_c25(void)\r |
422 | {\r |
423 | int track_number;\r |
424 | \r |
425 | CHECK_TRAY_OPEN\r |
426 | \r |
427 | // track number in TC4 & TC5\r |
428 | \r |
429 | track_number = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
430 | \r |
431 | Pico_mcd->cdd.Status &= 0xFF;\r |
432 | if (!CD_Present)\r |
433 | {\r |
434 | Pico_mcd->scd.Status_CDD = NOCD;\r |
435 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
436 | }\r |
437 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
438 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
439 | \r |
75736070 |
440 | if (track_number > Pico_mcd->TOC.Last_Track) track_number = Pico_mcd->TOC.Last_Track;\r |
441 | else if (track_number < 1) track_number = 1;\r |
cc68a136 |
442 | \r |
75736070 |
443 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.M);\r |
444 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.S);\r |
445 | Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.F);\r |
cc68a136 |
446 | Pico_mcd->cdd.Ext = track_number % 10;\r |
447 | \r |
75736070 |
448 | if (track_number == 1) Pico_mcd->cdd.Frame |= 0x0800; // data track\r |
cc68a136 |
449 | \r |
51a902ae |
450 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
451 | return 0;\r |
452 | }\r |
453 | \r |
454 | \r |
455 | int Play_CDD_c3(void)\r |
456 | {\r |
457 | _msf MSF;\r |
458 | int delay, new_lba;\r |
459 | \r |
460 | CHECK_TRAY_OPEN\r |
461 | CHECK_CD_PRESENT\r |
462 | \r |
463 | // MSF of the track to play in TC buffer\r |
464 | \r |
465 | MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r |
466 | MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
467 | MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r |
468 | \r |
469 | Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r |
470 | \r |
471 | new_lba = MSF_to_LBA(&MSF);\r |
472 | delay = new_lba - Pico_mcd->scd.Cur_LBA;\r |
473 | if (delay < 0) delay = -delay;\r |
474 | delay >>= 12;\r |
475 | \r |
476 | Pico_mcd->scd.Cur_LBA = new_lba;\r |
477 | CDC_Update_Header();\r |
478 | \r |
c459aefd |
479 | cdprintf("Read : Cur LBA = %d, M=%d, S=%d, F=%d", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);\r |
cc68a136 |
480 | \r |
481 | if (Pico_mcd->scd.Status_CDD != PLAYING) delay += 20;\r |
482 | \r |
483 | Pico_mcd->scd.Status_CDD = PLAYING;\r |
484 | Pico_mcd->cdd.Status = 0x0102;\r |
485 | // Pico_mcd->cdd.Status = COMM_OK;\r |
486 | \r |
51a902ae |
487 | if (Pico_mcd->scd.File_Add_Delay == 0) Pico_mcd->scd.File_Add_Delay = delay;\r |
cc68a136 |
488 | \r |
75736070 |
489 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
490 | {\r |
491 | Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r |
492 | }\r |
493 | else\r |
494 | {\r |
495 | Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
496 | //CD_Audio_Starting = 1;\r |
cc68a136 |
497 | FILE_Play_CD_LBA();\r |
cc68a136 |
498 | }\r |
499 | \r |
500 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
501 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
502 | Pico_mcd->cdd.Seconde = 0;\r |
503 | Pico_mcd->cdd.Frame = 0;\r |
504 | Pico_mcd->cdd.Ext = 0;\r |
505 | \r |
506 | Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r |
507 | \r |
51a902ae |
508 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
509 | return 0;\r |
510 | }\r |
511 | \r |
512 | \r |
513 | int Seek_CDD_c4(void)\r |
514 | {\r |
515 | _msf MSF;\r |
516 | \r |
517 | CHECK_TRAY_OPEN\r |
518 | CHECK_CD_PRESENT\r |
519 | \r |
520 | // MSF to seek in TC buffer\r |
521 | \r |
522 | MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r |
523 | MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
524 | MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r |
525 | \r |
526 | Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r |
527 | Pico_mcd->scd.Cur_LBA = MSF_to_LBA(&MSF);\r |
528 | CDC_Update_Header();\r |
529 | \r |
530 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
531 | \r |
532 | Pico_mcd->scd.Status_CDD = READY;\r |
533 | Pico_mcd->cdd.Status = 0x0200;\r |
534 | \r |
535 | // DATA ?\r |
75736070 |
536 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
537 | Pico_mcd->s68k_regs[0x36] |= 0x01;\r |
538 | else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
539 | \r |
540 | Pico_mcd->cdd.Minute = 0;\r |
541 | Pico_mcd->cdd.Seconde = 0;\r |
542 | Pico_mcd->cdd.Frame = 0;\r |
543 | Pico_mcd->cdd.Ext = 0;\r |
544 | \r |
51a902ae |
545 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
546 | \r |
547 | return 0;\r |
548 | }\r |
549 | \r |
550 | \r |
551 | int Pause_CDD_c6(void)\r |
552 | {\r |
553 | CHECK_TRAY_OPEN\r |
554 | CHECK_CD_PRESENT\r |
555 | \r |
556 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read to start a new one if raw data\r |
557 | \r |
558 | Pico_mcd->scd.Status_CDD = READY;\r |
559 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
560 | \r |
561 | Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r |
562 | \r |
563 | Pico_mcd->cdd.Minute = 0;\r |
564 | Pico_mcd->cdd.Seconde = 0;\r |
565 | Pico_mcd->cdd.Frame = 0;\r |
566 | Pico_mcd->cdd.Ext = 0;\r |
567 | \r |
51a902ae |
568 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
569 | \r |
570 | return 0;\r |
571 | }\r |
572 | \r |
573 | \r |
574 | int Resume_CDD_c7(void)\r |
575 | {\r |
576 | CHECK_TRAY_OPEN\r |
577 | CHECK_CD_PRESENT\r |
578 | \r |
579 | Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r |
580 | \r |
581 | #ifdef DEBUG_CD\r |
582 | {\r |
583 | _msf MSF;\r |
584 | LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r |
c459aefd |
585 | cdprintf("Resume read : Cur LBA = %d, M=%d, S=%d, F=%d", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);\r |
cc68a136 |
586 | }\r |
587 | #endif\r |
588 | \r |
589 | Pico_mcd->scd.Status_CDD = PLAYING;\r |
590 | Pico_mcd->cdd.Status = 0x0102;\r |
591 | \r |
75736070 |
592 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
593 | {\r |
594 | Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r |
595 | }\r |
596 | else\r |
597 | {\r |
598 | Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
599 | //CD_Audio_Starting = 1;\r |
cc68a136 |
600 | FILE_Play_CD_LBA();\r |
cc68a136 |
601 | }\r |
602 | \r |
603 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
604 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
605 | Pico_mcd->cdd.Seconde = 0;\r |
606 | Pico_mcd->cdd.Frame = 0;\r |
607 | Pico_mcd->cdd.Ext = 0;\r |
608 | \r |
609 | Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r |
610 | \r |
51a902ae |
611 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
612 | return 0;\r |
613 | }\r |
614 | \r |
615 | \r |
bf098bc5 |
616 | int Fast_Foward_CDD_c8(void)\r |
cc68a136 |
617 | {\r |
618 | CHECK_TRAY_OPEN\r |
619 | CHECK_CD_PRESENT\r |
620 | \r |
621 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
622 | \r |
623 | Pico_mcd->scd.Status_CDD = FAST_FOW;\r |
624 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r |
625 | \r |
626 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
627 | Pico_mcd->cdd.Seconde = 0;\r |
628 | Pico_mcd->cdd.Frame = 0;\r |
629 | Pico_mcd->cdd.Ext = 0;\r |
630 | \r |
51a902ae |
631 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
632 | \r |
633 | return 0;\r |
634 | }\r |
635 | \r |
636 | \r |
bf098bc5 |
637 | int Fast_Rewind_CDD_c9(void)\r |
cc68a136 |
638 | {\r |
639 | CHECK_TRAY_OPEN\r |
640 | CHECK_CD_PRESENT\r |
641 | \r |
642 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
643 | \r |
644 | Pico_mcd->scd.Status_CDD = FAST_REV;\r |
645 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r |
646 | \r |
647 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
648 | Pico_mcd->cdd.Seconde = 0;\r |
649 | Pico_mcd->cdd.Frame = 0;\r |
650 | Pico_mcd->cdd.Ext = 0;\r |
651 | \r |
51a902ae |
652 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
653 | \r |
654 | return 0;\r |
655 | }\r |
656 | \r |
657 | \r |
658 | int Close_Tray_CDD_cC(void)\r |
659 | {\r |
721cd396 |
660 | CD_Present = 0;\r |
cc68a136 |
661 | //Clear_Sound_Buffer();\r |
662 | \r |
663 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
664 | \r |
721cd396 |
665 | printf("tray close\n");\r |
cc68a136 |
666 | \r |
721cd396 |
667 | if (PicoMCDcloseTray != NULL)\r |
668 | CD_Present = PicoMCDcloseTray();\r |
cc68a136 |
669 | \r |
721cd396 |
670 | Pico_mcd->scd.Status_CDD = CD_Present ? STOPPED : NOCD;\r |
671 | Pico_mcd->cdd.Status = 0x0000;\r |
cc68a136 |
672 | \r |
721cd396 |
673 | Pico_mcd->cdd.Minute = 0;\r |
674 | Pico_mcd->cdd.Seconde = 0;\r |
675 | Pico_mcd->cdd.Frame = 0;\r |
676 | Pico_mcd->cdd.Ext = 0;\r |
cc68a136 |
677 | \r |
51a902ae |
678 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
679 | \r |
680 | return 0;\r |
681 | }\r |
682 | \r |
683 | \r |
684 | int Open_Tray_CDD_cD(void)\r |
685 | {\r |
686 | CHECK_TRAY_OPEN\r |
687 | \r |
688 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
689 | \r |
721cd396 |
690 | printf("tray open\n");\r |
691 | \r |
cc68a136 |
692 | Unload_ISO();\r |
cc68a136 |
693 | CD_Present = 0;\r |
694 | \r |
721cd396 |
695 | if (PicoMCDopenTray != NULL)\r |
696 | PicoMCDopenTray();\r |
697 | \r |
cc68a136 |
698 | Pico_mcd->scd.Status_CDD = TRAY_OPEN;\r |
699 | Pico_mcd->cdd.Status = 0x0E00;\r |
700 | \r |
701 | Pico_mcd->cdd.Minute = 0;\r |
702 | Pico_mcd->cdd.Seconde = 0;\r |
703 | Pico_mcd->cdd.Frame = 0;\r |
704 | Pico_mcd->cdd.Ext = 0;\r |
705 | \r |
51a902ae |
706 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
707 | \r |
708 | return 0;\r |
709 | }\r |
710 | \r |
711 | \r |
712 | int CDD_cA(void)\r |
713 | {\r |
714 | CHECK_TRAY_OPEN\r |
715 | CHECK_CD_PRESENT\r |
716 | \r |
717 | Pico_mcd->scd.Status_CDC &= ~1;\r |
718 | \r |
719 | Pico_mcd->scd.Status_CDD = READY;\r |
720 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
721 | \r |
722 | Pico_mcd->cdd.Minute = 0;\r |
723 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(1);\r |
724 | Pico_mcd->cdd.Frame = INT_TO_BCDW(1);\r |
725 | Pico_mcd->cdd.Ext = 0;\r |
726 | \r |
51a902ae |
727 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
728 | \r |
729 | return 0;\r |
730 | }\r |
731 | \r |
732 | \r |
733 | int CDD_Def(void)\r |
734 | {\r |
735 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
736 | \r |
737 | Pico_mcd->cdd.Minute = 0;\r |
738 | Pico_mcd->cdd.Seconde = 0;\r |
739 | Pico_mcd->cdd.Frame = 0;\r |
740 | Pico_mcd->cdd.Ext = 0;\r |
741 | \r |
742 | return 0;\r |
743 | }\r |
744 | \r |
745 | \r |