6cadc2da |
1 | /***********************************************************\r |
2 | * *\r |
8b99ab90 |
3 | * This source file was taken from the Gens project *\r |
6cadc2da |
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 |
cc68a136 |
11 | \r |
12 | #include "../PicoInt.h"\r |
eff55556 |
13 | #include "cd_sys.h"\r |
14 | #include "cd_file.h"\r |
cc68a136 |
15 | \r |
ca61ee42 |
16 | #define cdprintf(x...)\r |
c459aefd |
17 | #define DEBUG_CD\r |
cc68a136 |
18 | \r |
19 | #define TRAY_OPEN 0x0500 // TRAY OPEN CDD status\r |
20 | #define NOCD 0x0000 // CD removed CDD status\r |
21 | #define STOPPED 0x0900 // STOPPED CDD status (happen after stop or close tray command)\r |
22 | #define READY 0x0400 // READY CDD status (also used for seeking)\r |
23 | #define FAST_FOW 0x0300 // FAST FORWARD track CDD status\r |
24 | #define FAST_REV 0x10300 // FAST REVERSE track CDD status\r |
25 | #define PLAYING 0x0100 // PLAYING audio track CDD status\r |
26 | \r |
cc68a136 |
27 | \r |
cc68a136 |
28 | static int CD_Present = 0;\r |
cc68a136 |
29 | \r |
30 | \r |
31 | #define CHECK_TRAY_OPEN \\r |
32 | if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) \\r |
33 | { \\r |
34 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r |
35 | \\r |
36 | Pico_mcd->cdd.Minute = 0; \\r |
37 | Pico_mcd->cdd.Seconde = 0; \\r |
38 | Pico_mcd->cdd.Frame = 0; \\r |
39 | Pico_mcd->cdd.Ext = 0; \\r |
40 | \\r |
51a902ae |
41 | Pico_mcd->scd.CDD_Complete = 1; \\r |
cc68a136 |
42 | \\r |
43 | return 2; \\r |
44 | }\r |
45 | \r |
46 | \r |
47 | #define CHECK_CD_PRESENT \\r |
48 | if (!CD_Present) \\r |
49 | { \\r |
50 | Pico_mcd->scd.Status_CDD = NOCD; \\r |
51 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD; \\r |
52 | \\r |
53 | Pico_mcd->cdd.Minute = 0; \\r |
54 | Pico_mcd->cdd.Seconde = 0; \\r |
55 | Pico_mcd->cdd.Frame = 0; \\r |
56 | Pico_mcd->cdd.Ext = 0; \\r |
57 | \\r |
51a902ae |
58 | Pico_mcd->scd.CDD_Complete = 1; \\r |
cc68a136 |
59 | \\r |
60 | return 3; \\r |
61 | }\r |
62 | \r |
63 | \r |
cc68a136 |
64 | static int MSF_to_LBA(_msf *MSF)\r |
65 | {\r |
66 | return (MSF->M * 60 * 75) + (MSF->S * 75) + MSF->F - 150;\r |
67 | }\r |
68 | \r |
69 | \r |
eff55556 |
70 | PICO_INTERNAL void LBA_to_MSF(int lba, _msf *MSF)\r |
cc68a136 |
71 | {\r |
72 | if (lba < -150) lba = 0;\r |
73 | else lba += 150;\r |
74 | MSF->M = lba / (60 * 75);\r |
75 | MSF->S = (lba / 75) % 60;\r |
76 | MSF->F = lba % 75;\r |
77 | }\r |
78 | \r |
79 | \r |
80 | static unsigned int MSF_to_Track(_msf *MSF)\r |
81 | {\r |
82 | int i, Start, Cur;\r |
83 | \r |
84 | Start = (MSF->M << 16) + (MSF->S << 8) + MSF->F;\r |
85 | \r |
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86 | for(i = 1; i <= (Pico_mcd->TOC.Last_Track + 1); i++)\r |
cc68a136 |
87 | {\r |
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88 | Cur = Pico_mcd->TOC.Tracks[i - 1].MSF.M << 16;\r |
89 | Cur += Pico_mcd->TOC.Tracks[i - 1].MSF.S << 8;\r |
90 | Cur += Pico_mcd->TOC.Tracks[i - 1].MSF.F;\r |
cc68a136 |
91 | \r |
92 | if (Cur > Start) break;\r |
93 | }\r |
94 | \r |
95 | --i;\r |
96 | \r |
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97 | if (i > Pico_mcd->TOC.Last_Track) return 100;\r |
98 | else if (i < 1) i = 1;\r |
cc68a136 |
99 | \r |
100 | return (unsigned) i;\r |
101 | }\r |
102 | \r |
103 | \r |
104 | static unsigned int LBA_to_Track(int lba)\r |
105 | {\r |
106 | _msf MSF;\r |
107 | \r |
108 | LBA_to_MSF(lba, &MSF);\r |
109 | return MSF_to_Track(&MSF);\r |
110 | }\r |
111 | \r |
112 | \r |
113 | static void Track_to_MSF(int track, _msf *MSF)\r |
114 | {\r |
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115 | if (track < 1) track = 1;\r |
116 | else if (track > Pico_mcd->TOC.Last_Track) track = Pico_mcd->TOC.Last_Track;\r |
cc68a136 |
117 | \r |
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118 | MSF->M = Pico_mcd->TOC.Tracks[track - 1].MSF.M;\r |
119 | MSF->S = Pico_mcd->TOC.Tracks[track - 1].MSF.S;\r |
120 | MSF->F = Pico_mcd->TOC.Tracks[track - 1].MSF.F;\r |
cc68a136 |
121 | }\r |
122 | \r |
123 | \r |
eff55556 |
124 | PICO_INTERNAL int Track_to_LBA(int track)\r |
cc68a136 |
125 | {\r |
126 | _msf MSF;\r |
127 | \r |
128 | Track_to_MSF(track, &MSF);\r |
129 | return MSF_to_LBA(&MSF);\r |
130 | }\r |
131 | \r |
132 | \r |
eff55556 |
133 | PICO_INTERNAL void Check_CD_Command(void)\r |
cc68a136 |
134 | {\r |
c459aefd |
135 | cdprintf("CHECK CD COMMAND");\r |
cc68a136 |
136 | \r |
cc68a136 |
137 | // Check CDC\r |
cc68a136 |
138 | if (Pico_mcd->scd.Status_CDC & 1) // CDC is reading data ...\r |
139 | {\r |
c459aefd |
140 | cdprintf("Got a read command");\r |
cc68a136 |
141 | \r |
142 | // DATA ?\r |
75736070 |
143 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
144 | Pico_mcd->s68k_regs[0x36] |= 0x01;\r |
145 | else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
146 | \r |
51a902ae |
147 | if (Pico_mcd->scd.File_Add_Delay == 0)\r |
cc68a136 |
148 | {\r |
cc68a136 |
149 | FILE_Read_One_LBA_CDC();\r |
cc68a136 |
150 | }\r |
51a902ae |
151 | else Pico_mcd->scd.File_Add_Delay--;\r |
cc68a136 |
152 | }\r |
153 | \r |
1cd356a3 |
154 | // Check CDD\r |
155 | if (Pico_mcd->scd.CDD_Complete)\r |
156 | {\r |
157 | Pico_mcd->scd.CDD_Complete = 0;\r |
158 | \r |
159 | CDD_Export_Status();\r |
160 | }\r |
161 | \r |
cc68a136 |
162 | if (Pico_mcd->scd.Status_CDD == FAST_FOW)\r |
163 | {\r |
164 | Pico_mcd->scd.Cur_LBA += 10;\r |
165 | CDC_Update_Header();\r |
166 | \r |
167 | }\r |
168 | else if (Pico_mcd->scd.Status_CDD == FAST_REV)\r |
169 | {\r |
170 | Pico_mcd->scd.Cur_LBA -= 10;\r |
171 | if (Pico_mcd->scd.Cur_LBA < -150) Pico_mcd->scd.Cur_LBA = -150;\r |
172 | CDC_Update_Header();\r |
173 | }\r |
174 | }\r |
175 | \r |
176 | \r |
eff55556 |
177 | PICO_INTERNAL int Init_CD_Driver(void)\r |
cc68a136 |
178 | {\r |
cc68a136 |
179 | return 0;\r |
180 | }\r |
181 | \r |
182 | \r |
eff55556 |
183 | PICO_INTERNAL void End_CD_Driver(void)\r |
cc68a136 |
184 | {\r |
eff55556 |
185 | Unload_ISO();\r |
cc68a136 |
186 | }\r |
187 | \r |
188 | \r |
eff55556 |
189 | PICO_INTERNAL void Reset_CD(void)\r |
cc68a136 |
190 | {\r |
191 | Pico_mcd->scd.Cur_Track = 0;\r |
192 | Pico_mcd->scd.Cur_LBA = -150;\r |
5c69a605 |
193 | Pico_mcd->scd.Status_CDC &= ~1;\r |
721cd396 |
194 | Pico_mcd->scd.Status_CDD = CD_Present ? READY : NOCD;\r |
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195 | Pico_mcd->scd.CDD_Complete = 0;\r |
5c69a605 |
196 | Pico_mcd->scd.File_Add_Delay = 0;\r |
cc68a136 |
197 | }\r |
198 | \r |
199 | \r |
bf098bc5 |
200 | int Insert_CD(char *iso_name, int is_bin)\r |
cc68a136 |
201 | {\r |
bf098bc5 |
202 | int ret = 0;\r |
203 | \r |
bf098bc5 |
204 | CD_Present = 0;\r |
721cd396 |
205 | Pico_mcd->scd.Status_CDD = NOCD;\r |
bf098bc5 |
206 | \r |
207 | if (iso_name != NULL)\r |
cc68a136 |
208 | {\r |
bf098bc5 |
209 | ret = Load_ISO(iso_name, is_bin);\r |
721cd396 |
210 | if (ret == 0) {\r |
bf098bc5 |
211 | CD_Present = 1;\r |
721cd396 |
212 | Pico_mcd->scd.Status_CDD = READY;\r |
213 | }\r |
cc68a136 |
214 | }\r |
215 | \r |
bf098bc5 |
216 | return ret;\r |
cc68a136 |
217 | }\r |
218 | \r |
219 | \r |
220 | void Stop_CD(void)\r |
221 | {\r |
cc68a136 |
222 | Unload_ISO();\r |
cc68a136 |
223 | CD_Present = 0;\r |
224 | }\r |
225 | \r |
226 | \r |
eff55556 |
227 | /*\r |
228 | PICO_INTERNAL void Change_CD(void)\r |
cc68a136 |
229 | {\r |
230 | if (Pico_mcd->scd.Status_CDD == TRAY_OPEN) Close_Tray_CDD_cC();\r |
231 | else Open_Tray_CDD_cD();\r |
232 | }\r |
eff55556 |
233 | */\r |
cc68a136 |
234 | \r |
eff55556 |
235 | PICO_INTERNAL int Get_Status_CDD_c0(void)\r |
cc68a136 |
236 | {\r |
c459aefd |
237 | cdprintf("Status command : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
cc68a136 |
238 | \r |
239 | // Clear immediat status\r |
240 | if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0200)\r |
241 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
242 | else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0700)\r |
243 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
244 | else if ((Pico_mcd->cdd.Status & 0x0F00) == 0x0E00)\r |
245 | Pico_mcd->cdd.Status = (Pico_mcd->scd.Status_CDD & 0xFF00) | (Pico_mcd->cdd.Status & 0x00FF);\r |
246 | \r |
51a902ae |
247 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
248 | \r |
249 | return 0;\r |
250 | }\r |
251 | \r |
252 | \r |
eff55556 |
253 | PICO_INTERNAL int Stop_CDD_c1(void)\r |
cc68a136 |
254 | {\r |
255 | CHECK_TRAY_OPEN\r |
256 | \r |
257 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
258 | \r |
259 | if (CD_Present) Pico_mcd->scd.Status_CDD = STOPPED;\r |
260 | else Pico_mcd->scd.Status_CDD = NOCD;\r |
261 | Pico_mcd->cdd.Status = 0x0000;\r |
262 | \r |
263 | Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r |
264 | \r |
265 | Pico_mcd->cdd.Minute = 0;\r |
266 | Pico_mcd->cdd.Seconde = 0;\r |
267 | Pico_mcd->cdd.Frame = 0;\r |
268 | Pico_mcd->cdd.Ext = 0;\r |
269 | \r |
51a902ae |
270 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
271 | \r |
272 | return 0;\r |
273 | }\r |
274 | \r |
275 | \r |
eff55556 |
276 | PICO_INTERNAL int Get_Pos_CDD_c20(void)\r |
cc68a136 |
277 | {\r |
278 | _msf MSF;\r |
279 | \r |
c459aefd |
280 | cdprintf("command 200 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
cc68a136 |
281 | \r |
282 | CHECK_TRAY_OPEN\r |
283 | \r |
284 | Pico_mcd->cdd.Status &= 0xFF;\r |
285 | if (!CD_Present)\r |
286 | {\r |
287 | Pico_mcd->scd.Status_CDD = NOCD;\r |
288 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
289 | }\r |
290 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
291 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
292 | \r |
c459aefd |
293 | cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r |
cc68a136 |
294 | \r |
295 | LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r |
296 | \r |
297 | Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r |
298 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r |
299 | Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r |
300 | Pico_mcd->cdd.Ext = 0;\r |
301 | \r |
51a902ae |
302 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
303 | \r |
304 | return 0;\r |
305 | }\r |
306 | \r |
307 | \r |
eff55556 |
308 | PICO_INTERNAL int Get_Track_Pos_CDD_c21(void)\r |
cc68a136 |
309 | {\r |
310 | int elapsed_time;\r |
311 | _msf MSF;\r |
312 | \r |
313 | cdprintf("command 201 : Cur LBA = %d", Pico_mcd->scd.Cur_LBA);\r |
314 | \r |
315 | CHECK_TRAY_OPEN\r |
316 | \r |
317 | Pico_mcd->cdd.Status &= 0xFF;\r |
318 | if (!CD_Present)\r |
319 | {\r |
320 | Pico_mcd->scd.Status_CDD = NOCD;\r |
321 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
322 | }\r |
323 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
324 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
325 | \r |
326 | elapsed_time = Pico_mcd->scd.Cur_LBA - Track_to_LBA(LBA_to_Track(Pico_mcd->scd.Cur_LBA));\r |
327 | LBA_to_MSF(elapsed_time - 150, &MSF);\r |
328 | \r |
c459aefd |
329 | cdprintf(" elapsed = %d", elapsed_time);\r |
cc68a136 |
330 | \r |
331 | Pico_mcd->cdd.Minute = INT_TO_BCDW(MSF.M);\r |
332 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(MSF.S);\r |
333 | Pico_mcd->cdd.Frame = INT_TO_BCDW(MSF.F);\r |
334 | Pico_mcd->cdd.Ext = 0;\r |
335 | \r |
51a902ae |
336 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
337 | \r |
338 | return 0;\r |
339 | }\r |
340 | \r |
341 | \r |
eff55556 |
342 | PICO_INTERNAL int Get_Current_Track_CDD_c22(void)\r |
cc68a136 |
343 | {\r |
c459aefd |
344 | cdprintf("Status CDD = %.4X Status = %.4X", Pico_mcd->scd.Status_CDD, Pico_mcd->cdd.Status);\r |
cc68a136 |
345 | \r |
346 | CHECK_TRAY_OPEN\r |
347 | \r |
348 | Pico_mcd->cdd.Status &= 0xFF;\r |
349 | if (!CD_Present)\r |
350 | {\r |
351 | Pico_mcd->scd.Status_CDD = NOCD;\r |
352 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
353 | }\r |
354 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
355 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
356 | \r |
357 | Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r |
358 | \r |
359 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
360 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
361 | Pico_mcd->cdd.Seconde = 0;\r |
362 | Pico_mcd->cdd.Frame = 0;\r |
363 | Pico_mcd->cdd.Ext = 0;\r |
364 | \r |
51a902ae |
365 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
366 | \r |
367 | return 0;\r |
368 | }\r |
369 | \r |
370 | \r |
eff55556 |
371 | PICO_INTERNAL int Get_Total_Lenght_CDD_c23(void)\r |
cc68a136 |
372 | {\r |
373 | CHECK_TRAY_OPEN\r |
374 | \r |
375 | Pico_mcd->cdd.Status &= 0xFF;\r |
376 | if (!CD_Present)\r |
377 | {\r |
378 | Pico_mcd->scd.Status_CDD = NOCD;\r |
379 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
380 | }\r |
381 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
382 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
383 | \r |
75736070 |
384 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.M);\r |
385 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.S);\r |
386 | Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[Pico_mcd->TOC.Last_Track].MSF.F);\r |
cc68a136 |
387 | Pico_mcd->cdd.Ext = 0;\r |
388 | \r |
51a902ae |
389 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
390 | \r |
391 | return 0;\r |
392 | }\r |
393 | \r |
394 | \r |
eff55556 |
395 | PICO_INTERNAL int Get_First_Last_Track_CDD_c24(void)\r |
cc68a136 |
396 | {\r |
397 | CHECK_TRAY_OPEN\r |
398 | \r |
399 | Pico_mcd->cdd.Status &= 0xFF;\r |
400 | if (!CD_Present)\r |
401 | {\r |
402 | Pico_mcd->scd.Status_CDD = NOCD;\r |
403 | }\r |
404 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
405 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
406 | \r |
75736070 |
407 | Pico_mcd->cdd.Minute = INT_TO_BCDW(1);\r |
408 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Last_Track);\r |
cc68a136 |
409 | Pico_mcd->cdd.Frame = 0;\r |
410 | Pico_mcd->cdd.Ext = 0;\r |
411 | \r |
51a902ae |
412 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
413 | \r |
414 | return 0;\r |
415 | }\r |
416 | \r |
417 | \r |
eff55556 |
418 | PICO_INTERNAL int Get_Track_Adr_CDD_c25(void)\r |
cc68a136 |
419 | {\r |
420 | int track_number;\r |
421 | \r |
422 | CHECK_TRAY_OPEN\r |
423 | \r |
424 | // track number in TC4 & TC5\r |
425 | \r |
426 | track_number = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
427 | \r |
428 | Pico_mcd->cdd.Status &= 0xFF;\r |
429 | if (!CD_Present)\r |
430 | {\r |
431 | Pico_mcd->scd.Status_CDD = NOCD;\r |
432 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
433 | }\r |
434 | // else if (!(CDC.CTRL.B.B0 & 0x80)) Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
435 | Pico_mcd->cdd.Status |= Pico_mcd->scd.Status_CDD;\r |
436 | \r |
75736070 |
437 | if (track_number > Pico_mcd->TOC.Last_Track) track_number = Pico_mcd->TOC.Last_Track;\r |
438 | else if (track_number < 1) track_number = 1;\r |
cc68a136 |
439 | \r |
75736070 |
440 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.M);\r |
441 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.S);\r |
442 | Pico_mcd->cdd.Frame = INT_TO_BCDW(Pico_mcd->TOC.Tracks[track_number - 1].MSF.F);\r |
cc68a136 |
443 | Pico_mcd->cdd.Ext = track_number % 10;\r |
444 | \r |
75736070 |
445 | if (track_number == 1) Pico_mcd->cdd.Frame |= 0x0800; // data track\r |
cc68a136 |
446 | \r |
51a902ae |
447 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
448 | return 0;\r |
449 | }\r |
450 | \r |
451 | \r |
eff55556 |
452 | PICO_INTERNAL int Play_CDD_c3(void)\r |
cc68a136 |
453 | {\r |
454 | _msf MSF;\r |
455 | int delay, new_lba;\r |
456 | \r |
457 | CHECK_TRAY_OPEN\r |
458 | CHECK_CD_PRESENT\r |
459 | \r |
460 | // MSF of the track to play in TC buffer\r |
461 | \r |
462 | MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r |
463 | MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
464 | MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r |
465 | \r |
466 | Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r |
467 | \r |
468 | new_lba = MSF_to_LBA(&MSF);\r |
469 | delay = new_lba - Pico_mcd->scd.Cur_LBA;\r |
470 | if (delay < 0) delay = -delay;\r |
471 | delay >>= 12;\r |
472 | \r |
473 | Pico_mcd->scd.Cur_LBA = new_lba;\r |
474 | CDC_Update_Header();\r |
475 | \r |
c459aefd |
476 | cdprintf("Read : Cur LBA = %d, M=%d, S=%d, F=%d", Pico_mcd->scd.Cur_LBA, MSF.M, MSF.S, MSF.F);\r |
cc68a136 |
477 | \r |
478 | if (Pico_mcd->scd.Status_CDD != PLAYING) delay += 20;\r |
479 | \r |
480 | Pico_mcd->scd.Status_CDD = PLAYING;\r |
481 | Pico_mcd->cdd.Status = 0x0102;\r |
482 | // Pico_mcd->cdd.Status = COMM_OK;\r |
483 | \r |
51a902ae |
484 | if (Pico_mcd->scd.File_Add_Delay == 0) Pico_mcd->scd.File_Add_Delay = delay;\r |
cc68a136 |
485 | \r |
75736070 |
486 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
487 | {\r |
488 | Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r |
489 | }\r |
490 | else\r |
491 | {\r |
492 | Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
493 | //CD_Audio_Starting = 1;\r |
cc68a136 |
494 | FILE_Play_CD_LBA();\r |
cc68a136 |
495 | }\r |
496 | \r |
497 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
498 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
499 | Pico_mcd->cdd.Seconde = 0;\r |
500 | Pico_mcd->cdd.Frame = 0;\r |
501 | Pico_mcd->cdd.Ext = 0;\r |
502 | \r |
503 | Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r |
504 | \r |
51a902ae |
505 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
506 | return 0;\r |
507 | }\r |
508 | \r |
509 | \r |
eff55556 |
510 | PICO_INTERNAL int Seek_CDD_c4(void)\r |
cc68a136 |
511 | {\r |
512 | _msf MSF;\r |
513 | \r |
514 | CHECK_TRAY_OPEN\r |
515 | CHECK_CD_PRESENT\r |
516 | \r |
517 | // MSF to seek in TC buffer\r |
518 | \r |
519 | MSF.M = (Pico_mcd->s68k_regs[0x38+10+2] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+3] & 0xF);\r |
520 | MSF.S = (Pico_mcd->s68k_regs[0x38+10+4] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+5] & 0xF);\r |
521 | MSF.F = (Pico_mcd->s68k_regs[0x38+10+6] & 0xF) * 10 + (Pico_mcd->s68k_regs[0x38+10+7] & 0xF);\r |
522 | \r |
523 | Pico_mcd->scd.Cur_Track = MSF_to_Track(&MSF);\r |
524 | Pico_mcd->scd.Cur_LBA = MSF_to_LBA(&MSF);\r |
525 | CDC_Update_Header();\r |
526 | \r |
527 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
528 | \r |
529 | Pico_mcd->scd.Status_CDD = READY;\r |
530 | Pico_mcd->cdd.Status = 0x0200;\r |
531 | \r |
532 | // DATA ?\r |
75736070 |
533 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
534 | Pico_mcd->s68k_regs[0x36] |= 0x01;\r |
535 | else Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
536 | \r |
537 | Pico_mcd->cdd.Minute = 0;\r |
538 | Pico_mcd->cdd.Seconde = 0;\r |
539 | Pico_mcd->cdd.Frame = 0;\r |
540 | Pico_mcd->cdd.Ext = 0;\r |
541 | \r |
51a902ae |
542 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
543 | \r |
544 | return 0;\r |
545 | }\r |
546 | \r |
547 | \r |
eff55556 |
548 | PICO_INTERNAL int Pause_CDD_c6(void)\r |
cc68a136 |
549 | {\r |
550 | CHECK_TRAY_OPEN\r |
551 | CHECK_CD_PRESENT\r |
552 | \r |
553 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read to start a new one if raw data\r |
554 | \r |
555 | Pico_mcd->scd.Status_CDD = READY;\r |
556 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
557 | \r |
558 | Pico_mcd->s68k_regs[0x36] |= 0x01; // Data bit set because stopped\r |
559 | \r |
560 | Pico_mcd->cdd.Minute = 0;\r |
561 | Pico_mcd->cdd.Seconde = 0;\r |
562 | Pico_mcd->cdd.Frame = 0;\r |
563 | Pico_mcd->cdd.Ext = 0;\r |
564 | \r |
51a902ae |
565 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
566 | \r |
567 | return 0;\r |
568 | }\r |
569 | \r |
570 | \r |
eff55556 |
571 | PICO_INTERNAL int Resume_CDD_c7(void)\r |
cc68a136 |
572 | {\r |
573 | CHECK_TRAY_OPEN\r |
574 | CHECK_CD_PRESENT\r |
575 | \r |
576 | Pico_mcd->scd.Cur_Track = LBA_to_Track(Pico_mcd->scd.Cur_LBA);\r |
577 | \r |
578 | #ifdef DEBUG_CD\r |
579 | {\r |
580 | _msf MSF;\r |
581 | LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r |
c459aefd |
582 | 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 |
583 | }\r |
584 | #endif\r |
585 | \r |
586 | Pico_mcd->scd.Status_CDD = PLAYING;\r |
587 | Pico_mcd->cdd.Status = 0x0102;\r |
588 | \r |
75736070 |
589 | if (Pico_mcd->scd.Cur_Track == 1)\r |
cc68a136 |
590 | {\r |
591 | Pico_mcd->s68k_regs[0x36] |= 0x01; // DATA\r |
592 | }\r |
593 | else\r |
594 | {\r |
595 | Pico_mcd->s68k_regs[0x36] &= ~0x01; // AUDIO\r |
596 | //CD_Audio_Starting = 1;\r |
cc68a136 |
597 | FILE_Play_CD_LBA();\r |
cc68a136 |
598 | }\r |
599 | \r |
600 | if (Pico_mcd->scd.Cur_Track == 100) Pico_mcd->cdd.Minute = 0x0A02;\r |
601 | else Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
602 | Pico_mcd->cdd.Seconde = 0;\r |
603 | Pico_mcd->cdd.Frame = 0;\r |
604 | Pico_mcd->cdd.Ext = 0;\r |
605 | \r |
606 | Pico_mcd->scd.Status_CDC |= 1; // Read data with CDC\r |
607 | \r |
51a902ae |
608 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
609 | return 0;\r |
610 | }\r |
611 | \r |
612 | \r |
eff55556 |
613 | PICO_INTERNAL int Fast_Foward_CDD_c8(void)\r |
cc68a136 |
614 | {\r |
615 | CHECK_TRAY_OPEN\r |
616 | CHECK_CD_PRESENT\r |
617 | \r |
618 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
619 | \r |
620 | Pico_mcd->scd.Status_CDD = FAST_FOW;\r |
621 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r |
622 | \r |
623 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
624 | Pico_mcd->cdd.Seconde = 0;\r |
625 | Pico_mcd->cdd.Frame = 0;\r |
626 | Pico_mcd->cdd.Ext = 0;\r |
627 | \r |
51a902ae |
628 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
629 | \r |
630 | return 0;\r |
631 | }\r |
632 | \r |
633 | \r |
eff55556 |
634 | PICO_INTERNAL int Fast_Rewind_CDD_c9(void)\r |
cc68a136 |
635 | {\r |
636 | CHECK_TRAY_OPEN\r |
637 | CHECK_CD_PRESENT\r |
638 | \r |
639 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
640 | \r |
641 | Pico_mcd->scd.Status_CDD = FAST_REV;\r |
642 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD | 2;\r |
643 | \r |
644 | Pico_mcd->cdd.Minute = INT_TO_BCDW(Pico_mcd->scd.Cur_Track);\r |
645 | Pico_mcd->cdd.Seconde = 0;\r |
646 | Pico_mcd->cdd.Frame = 0;\r |
647 | Pico_mcd->cdd.Ext = 0;\r |
648 | \r |
51a902ae |
649 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
650 | \r |
651 | return 0;\r |
652 | }\r |
653 | \r |
654 | \r |
eff55556 |
655 | PICO_INTERNAL int Close_Tray_CDD_cC(void)\r |
cc68a136 |
656 | {\r |
721cd396 |
657 | CD_Present = 0;\r |
cc68a136 |
658 | //Clear_Sound_Buffer();\r |
659 | \r |
660 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
661 | \r |
c6196c0f |
662 | elprintf(EL_STATUS, "tray close\n");\r |
cc68a136 |
663 | \r |
721cd396 |
664 | if (PicoMCDcloseTray != NULL)\r |
665 | CD_Present = PicoMCDcloseTray();\r |
cc68a136 |
666 | \r |
721cd396 |
667 | Pico_mcd->scd.Status_CDD = CD_Present ? STOPPED : NOCD;\r |
668 | Pico_mcd->cdd.Status = 0x0000;\r |
cc68a136 |
669 | \r |
721cd396 |
670 | Pico_mcd->cdd.Minute = 0;\r |
671 | Pico_mcd->cdd.Seconde = 0;\r |
672 | Pico_mcd->cdd.Frame = 0;\r |
673 | Pico_mcd->cdd.Ext = 0;\r |
cc68a136 |
674 | \r |
51a902ae |
675 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
676 | \r |
677 | return 0;\r |
678 | }\r |
679 | \r |
680 | \r |
eff55556 |
681 | PICO_INTERNAL int Open_Tray_CDD_cD(void)\r |
cc68a136 |
682 | {\r |
683 | CHECK_TRAY_OPEN\r |
684 | \r |
685 | Pico_mcd->scd.Status_CDC &= ~1; // Stop CDC read\r |
686 | \r |
c6196c0f |
687 | elprintf(EL_STATUS, "tray open\n");\r |
721cd396 |
688 | \r |
cc68a136 |
689 | Unload_ISO();\r |
cc68a136 |
690 | CD_Present = 0;\r |
691 | \r |
721cd396 |
692 | if (PicoMCDopenTray != NULL)\r |
693 | PicoMCDopenTray();\r |
694 | \r |
cc68a136 |
695 | Pico_mcd->scd.Status_CDD = TRAY_OPEN;\r |
696 | Pico_mcd->cdd.Status = 0x0E00;\r |
697 | \r |
698 | Pico_mcd->cdd.Minute = 0;\r |
699 | Pico_mcd->cdd.Seconde = 0;\r |
700 | Pico_mcd->cdd.Frame = 0;\r |
701 | Pico_mcd->cdd.Ext = 0;\r |
702 | \r |
51a902ae |
703 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
704 | \r |
705 | return 0;\r |
706 | }\r |
707 | \r |
708 | \r |
eff55556 |
709 | PICO_INTERNAL int CDD_cA(void)\r |
cc68a136 |
710 | {\r |
711 | CHECK_TRAY_OPEN\r |
712 | CHECK_CD_PRESENT\r |
713 | \r |
714 | Pico_mcd->scd.Status_CDC &= ~1;\r |
715 | \r |
716 | Pico_mcd->scd.Status_CDD = READY;\r |
717 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
718 | \r |
719 | Pico_mcd->cdd.Minute = 0;\r |
720 | Pico_mcd->cdd.Seconde = INT_TO_BCDW(1);\r |
721 | Pico_mcd->cdd.Frame = INT_TO_BCDW(1);\r |
722 | Pico_mcd->cdd.Ext = 0;\r |
723 | \r |
51a902ae |
724 | Pico_mcd->scd.CDD_Complete = 1;\r |
cc68a136 |
725 | \r |
726 | return 0;\r |
727 | }\r |
728 | \r |
729 | \r |
eff55556 |
730 | PICO_INTERNAL int CDD_Def(void)\r |
cc68a136 |
731 | {\r |
732 | Pico_mcd->cdd.Status = Pico_mcd->scd.Status_CDD;\r |
733 | \r |
734 | Pico_mcd->cdd.Minute = 0;\r |
735 | Pico_mcd->cdd.Seconde = 0;\r |
736 | Pico_mcd->cdd.Frame = 0;\r |
737 | Pico_mcd->cdd.Ext = 0;\r |
738 | \r |
739 | return 0;\r |
740 | }\r |
741 | \r |
742 | \r |