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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * | |
3 | * * | |
4 | * This program is free software; you can redistribute it and/or modify * | |
5 | * it under the terms of the GNU General Public License as published by * | |
6 | * the Free Software Foundation; either version 2 of the License, or * | |
7 | * (at your option) any later version. * | |
8 | * * | |
9 | * This program is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU General Public License * | |
15 | * along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
18 | ***************************************************************************/ | |
19 | ||
20 | /* | |
21 | * Handles all CD-ROM registers and functions. | |
22 | */ | |
23 | ||
24 | #include "cdrom.h" | |
25 | #include "ppf.h" | |
9f8b032d | 26 | #include "psxdma.h" |
ef79bbde | 27 | |
8b380e97 | 28 | /* logging */ |
29 | #if 0 | |
30 | #define CDR_LOG SysPrintf | |
31 | #else | |
32 | #define CDR_LOG(...) | |
33 | #endif | |
34 | #if 0 | |
35 | #define CDR_LOG_I SysPrintf | |
36 | #else | |
37 | #define CDR_LOG_I(...) | |
38 | #endif | |
39 | #if 0 | |
40 | #define CDR_LOG_IO SysPrintf | |
41 | #else | |
42 | #define CDR_LOG_IO(...) | |
43 | #endif | |
44 | //#define CDR_LOG_CMD_IRQ | |
45 | ||
ef79bbde | 46 | cdrStruct cdr; |
8e1040b6 | 47 | static unsigned char *pTransfer; |
92ca1ba6 | 48 | static int subq_broken; |
ef79bbde P |
49 | |
50 | /* CD-ROM magic numbers */ | |
51 | #define CdlSync 0 | |
52 | #define CdlNop 1 | |
53 | #define CdlSetloc 2 | |
54 | #define CdlPlay 3 | |
55 | #define CdlForward 4 | |
56 | #define CdlBackward 5 | |
57 | #define CdlReadN 6 | |
58 | #define CdlStandby 7 | |
59 | #define CdlStop 8 | |
60 | #define CdlPause 9 | |
61 | #define CdlInit 10 | |
62 | #define CdlMute 11 | |
63 | #define CdlDemute 12 | |
64 | #define CdlSetfilter 13 | |
65 | #define CdlSetmode 14 | |
66 | #define CdlGetmode 15 | |
67 | #define CdlGetlocL 16 | |
68 | #define CdlGetlocP 17 | |
69 | #define CdlReadT 18 | |
70 | #define CdlGetTN 19 | |
71 | #define CdlGetTD 20 | |
72 | #define CdlSeekL 21 | |
73 | #define CdlSeekP 22 | |
74 | #define CdlSetclock 23 | |
75 | #define CdlGetclock 24 | |
76 | #define CdlTest 25 | |
77 | #define CdlID 26 | |
78 | #define CdlReadS 27 | |
79 | #define CdlReset 28 | |
80 | #define CdlReadToc 30 | |
81 | ||
ef79bbde P |
82 | char *CmdName[0x100]= { |
83 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", | |
84 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
85 | "CdlStop", "CdlPause", "CdlInit", "CdlMute", | |
86 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode", | |
87 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", | |
88 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
89 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
90 | "CdlReset", NULL, "CDlReadToc", NULL | |
91 | }; | |
92 | ||
93 | unsigned char Test04[] = { 0 }; | |
94 | unsigned char Test05[] = { 0 }; | |
95 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
96 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
97 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
98 | ||
9f8b032d | 99 | // cdr.Stat: |
100 | #define NoIntr 0 | |
101 | #define DataReady 1 | |
102 | #define Complete 2 | |
103 | #define Acknowledge 3 | |
104 | #define DataEnd 4 | |
105 | #define DiskError 5 | |
106 | ||
107 | /* Modes flags */ | |
108 | #define MODE_SPEED (1<<7) // 0x80 | |
109 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
110 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
111 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
112 | #define MODE_SF (1<<3) // 0x08 channel on/off | |
113 | #define MODE_REPORT (1<<2) // 0x04 | |
114 | #define MODE_AUTOPAUSE (1<<1) // 0x02 | |
115 | #define MODE_CDDA (1<<0) // 0x01 | |
116 | ||
117 | /* Status flags */ | |
118 | #define STATUS_PLAY (1<<7) // 0x80 | |
119 | #define STATUS_SEEK (1<<6) // 0x40 | |
120 | #define STATUS_READ (1<<5) // 0x20 | |
121 | #define STATUS_SHELLOPEN (1<<4) // 0x10 | |
122 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 | |
123 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 | |
124 | #define STATUS_ROTATING (1<<1) // 0x02 | |
125 | #define STATUS_ERROR (1<<0) // 0x01 | |
126 | ||
127 | ||
128 | ||
ef79bbde P |
129 | // 1x = 75 sectors per second |
130 | // PSXCLK = 1 sec in the ps | |
131 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
132 | #define cdReadTime (PSXCLK / 75) | |
133 | ||
39df67df | 134 | // for cdr.Seeked |
135 | enum seeked_state { | |
136 | SEEK_PENDING = 0, | |
137 | SEEK_DONE = 1, | |
39df67df | 138 | }; |
139 | ||
ef79bbde | 140 | static struct CdrStat stat; |
ef79bbde | 141 | |
fffad32e | 142 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 143 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
144 | } | |
145 | ||
fffad32e | 146 | // for that weird psemu API.. |
147 | static unsigned int fsm2sec(const u8 *msf) { | |
148 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
149 | } | |
150 | ||
305c8c93 | 151 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 152 | msf[0] = s / 75 / 60; |
153 | s = s - msf[0] * 75 * 60; | |
154 | msf[1] = s / 75; | |
155 | s = s - msf[1] * 75; | |
156 | msf[2] = s; | |
157 | } | |
158 | ||
39df67df | 159 | // cdrInterrupt |
ef79bbde | 160 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 161 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
162 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
163 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
164 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 165 | } |
ef79bbde | 166 | |
39df67df | 167 | // cdrReadInterrupt |
ef79bbde | 168 | #define CDREAD_INT(eCycle) { \ |
d28b54b1 | 169 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
170 | psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \ | |
171 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
172 | new_dyna_set_event(PSXINT_CDREAD, eCycle); \ | |
ae602c19 | 173 | } |
ef79bbde | 174 | |
39df67df | 175 | // cdrLidSeekInterrupt |
9f8b032d | 176 | #define CDRLID_INT(eCycle) { \ |
177 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
178 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
179 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
180 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
181 | } | |
182 | ||
39df67df | 183 | // cdrPlayInterrupt |
184 | #define CDRMISC_INT(eCycle) { \ | |
7f457614 | 185 | psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \ |
186 | psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \ | |
187 | psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \ | |
188 | new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \ | |
189 | } | |
190 | ||
ef79bbde P |
191 | #define StopReading() { \ |
192 | if (cdr.Reading) { \ | |
193 | cdr.Reading = 0; \ | |
d28b54b1 | 194 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ |
ef79bbde | 195 | } \ |
9f8b032d | 196 | cdr.StatP &= ~STATUS_READ;\ |
ef79bbde P |
197 | } |
198 | ||
199 | #define StopCdda() { \ | |
200 | if (cdr.Play) { \ | |
201 | if (!Config.Cdda) CDR_stop(); \ | |
9f8b032d | 202 | cdr.StatP &= ~STATUS_PLAY; \ |
ef79bbde | 203 | cdr.Play = FALSE; \ |
9f8b032d | 204 | cdr.FastForward = 0; \ |
205 | cdr.FastBackward = 0; \ | |
206 | /*SPU_registerCallback( SPUirq );*/ \ | |
ef79bbde P |
207 | } \ |
208 | } | |
209 | ||
210 | #define SetResultSize(size) { \ | |
94c118c3 | 211 | cdr.ResultP = 0; \ |
ef79bbde P |
212 | cdr.ResultC = size; \ |
213 | cdr.ResultReady = 1; \ | |
214 | } | |
215 | ||
94c118c3 | 216 | static void setIrq(void) |
217 | { | |
218 | if (cdr.Stat & cdr.Reg2) | |
219 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
220 | } | |
9f8b032d | 221 | |
222 | void cdrLidSeekInterrupt() | |
223 | { | |
224 | // turn back on checking | |
225 | if( cdr.LidCheck == 0x10 ) | |
226 | { | |
227 | cdr.LidCheck = 0; | |
228 | } | |
229 | ||
230 | // official lid close | |
231 | else if( cdr.LidCheck == 0x30 ) | |
232 | { | |
233 | // GS CDX 3.3: $13 | |
234 | cdr.StatP |= STATUS_ROTATING; | |
235 | ||
236 | ||
237 | // GS CDX 3.3 - ~50 getlocp tries | |
238 | CDRLID_INT( cdReadTime * 3 ); | |
239 | cdr.LidCheck = 0x40; | |
240 | } | |
241 | ||
242 | // turn off ready | |
243 | else if( cdr.LidCheck == 0x40 ) | |
244 | { | |
245 | // GS CDX 3.3: $01 | |
246 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
247 | cdr.StatP &= ~STATUS_ROTATING; | |
248 | ||
249 | ||
250 | // GS CDX 3.3 - ~50 getlocp tries | |
251 | CDRLID_INT( cdReadTime * 3 ); | |
252 | cdr.LidCheck = 0x50; | |
253 | } | |
254 | ||
255 | // now seek | |
256 | else if( cdr.LidCheck == 0x50 ) | |
257 | { | |
258 | // GameShark Lite: Start seeking ($42) | |
259 | cdr.StatP |= STATUS_SEEK; | |
260 | cdr.StatP |= STATUS_ROTATING; | |
261 | cdr.StatP &= ~STATUS_ERROR; | |
262 | ||
263 | ||
264 | CDRLID_INT( cdReadTime * 3 ); | |
265 | cdr.LidCheck = 0x60; | |
266 | } | |
267 | ||
268 | // done = cd ready | |
269 | else if( cdr.LidCheck == 0x60 ) | |
270 | { | |
271 | // GameShark Lite: Seek detection done ($02) | |
272 | cdr.StatP &= ~STATUS_SEEK; | |
273 | ||
274 | cdr.LidCheck = 0; | |
275 | } | |
276 | } | |
277 | ||
9f8b032d | 278 | static void Check_Shell( int Irq ) |
279 | { | |
280 | // check case open/close | |
281 | if (cdr.LidCheck > 0) | |
282 | { | |
9f8b032d | 283 | CDR_LOG( "LidCheck\n" ); |
9f8b032d | 284 | |
285 | // $20 = check lid state | |
286 | if( cdr.LidCheck == 0x20 ) | |
287 | { | |
288 | u32 i; | |
289 | ||
290 | i = stat.Status; | |
291 | if (CDR_getStatus(&stat) != -1) | |
292 | { | |
aa1f7284 | 293 | // BIOS hangs + BIOS error messages |
294 | //if (stat.Type == 0xff) | |
295 | //cdr.Stat = DiskError; | |
9f8b032d | 296 | |
297 | // case now open | |
aa1f7284 | 298 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 299 | { |
300 | // Vib Ribbon: pre-CD swap | |
301 | StopCdda(); | |
302 | ||
303 | ||
304 | // GameShark Lite: Death if DiskError happens | |
305 | // | |
306 | // Vib Ribbon: Needs DiskError for CD swap | |
307 | ||
308 | if (Irq != CdlNop) | |
309 | { | |
310 | cdr.Stat = DiskError; | |
311 | ||
312 | cdr.StatP |= STATUS_ERROR; | |
313 | cdr.Result[0] |= STATUS_ERROR; | |
314 | } | |
315 | ||
316 | // GameShark Lite: Wants -exactly- $10 | |
317 | cdr.StatP |= STATUS_SHELLOPEN; | |
318 | cdr.StatP &= ~STATUS_ROTATING; | |
319 | ||
320 | ||
321 | CDRLID_INT( cdReadTime * 3 ); | |
322 | cdr.LidCheck = 0x10; | |
323 | ||
324 | ||
325 | // GS CDX 3.3 = $11 | |
326 | } | |
327 | ||
328 | // case just closed | |
329 | else if ( i & STATUS_SHELLOPEN ) | |
330 | { | |
331 | cdr.StatP |= STATUS_ROTATING; | |
332 | ||
333 | CheckCdrom(); | |
334 | ||
335 | ||
336 | if( cdr.Stat == NoIntr ) | |
337 | cdr.Stat = Acknowledge; | |
338 | ||
94c118c3 | 339 | setIrq(); |
9f8b032d | 340 | |
341 | // begin close-seek-ready cycle | |
342 | CDRLID_INT( cdReadTime * 3 ); | |
343 | cdr.LidCheck = 0x30; | |
344 | ||
345 | ||
346 | // GameShark Lite: Wants -exactly- $42, then $02 | |
347 | // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00 | |
348 | } | |
349 | ||
350 | // case still closed - wait for recheck | |
351 | else | |
352 | { | |
353 | CDRLID_INT( cdReadTime * 3 ); | |
354 | cdr.LidCheck = 0x10; | |
355 | } | |
356 | } | |
357 | } | |
358 | ||
359 | ||
360 | // GS CDX: clear all values but #1,#2 | |
361 | if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) ) | |
362 | { | |
363 | SetResultSize(16); | |
364 | memset( cdr.Result, 0, 16 ); | |
365 | ||
366 | cdr.Result[0] = cdr.StatP; | |
367 | ||
368 | ||
369 | // GS CDX: special return value | |
370 | if( cdr.StatP & STATUS_SHELLOPEN ) | |
371 | { | |
372 | cdr.Result[1] = 0x80; | |
373 | } | |
374 | ||
375 | ||
376 | if( cdr.Stat == NoIntr ) | |
377 | cdr.Stat = Acknowledge; | |
378 | ||
94c118c3 | 379 | setIrq(); |
9f8b032d | 380 | } |
381 | } | |
382 | } | |
383 | ||
fffad32e | 384 | static void Find_CurTrack(const u8 *time) |
385 | { | |
386 | int current, sect; | |
9f8b032d | 387 | |
fffad32e | 388 | current = msf2sec(time); |
9f8b032d | 389 | |
fffad32e | 390 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
391 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
392 | sect = fsm2sec(cdr.ResultTD); | |
393 | if (sect - current >= 150) | |
9f8b032d | 394 | break; |
9f8b032d | 395 | } |
396 | } | |
397 | ||
92ca1ba6 | 398 | static void ReadTrack(const u8 *time, int after_seek) { |
fffad32e | 399 | unsigned char tmp[3]; |
400 | struct SubQ *subq; | |
92ca1ba6 | 401 | int track, old_track; |
fffad32e | 402 | u16 crc; |
ef79bbde | 403 | |
fffad32e | 404 | tmp[0] = itob(time[0]); |
405 | tmp[1] = itob(time[1]); | |
406 | tmp[2] = itob(time[2]); | |
ef79bbde | 407 | |
fffad32e | 408 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
409 | return; | |
39df67df | 410 | |
fffad32e | 411 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 412 | |
fffad32e | 413 | cdr.RErr = CDR_readTrack(tmp); |
414 | memcpy(cdr.Prev, tmp, 3); | |
9f8b032d | 415 | |
fffad32e | 416 | cdr.TrackChanged = FALSE; |
9f8b032d | 417 | |
fffad32e | 418 | if (CheckSBI(time)) |
419 | return; | |
9f8b032d | 420 | |
fffad32e | 421 | subq = (struct SubQ *)CDR_getBufferSub(); |
92ca1ba6 | 422 | if (subq != NULL && !subq_broken) { |
fffad32e | 423 | crc = calcCrc((u8 *)subq + 12, 10); |
92ca1ba6 | 424 | old_track = btoi(cdr.subq.Track); |
425 | track = btoi(subq->TrackNumber); | |
426 | ||
427 | // track checks are probably wrong, but deals with corrupted | |
428 | // subq + good checksum | |
429 | // (how does the real thing handle that?) | |
430 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1]) | |
431 | && (after_seek || track == old_track || track == old_track + 1)) { | |
fffad32e | 432 | cdr.subq.Track = subq->TrackNumber; |
433 | cdr.subq.Index = subq->IndexNumber; | |
434 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
435 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
436 | ||
92ca1ba6 | 437 | if (track == cdr.CurTrack + 1) { |
fffad32e | 438 | cdr.CurTrack++; |
439 | cdr.TrackChanged = TRUE; | |
440 | } | |
441 | } | |
92ca1ba6 | 442 | else { |
443 | CDR_LOG_I("ignore subq @%02x:%02x:%02x\n", | |
444 | tmp[0], tmp[1], tmp[2]); | |
445 | } | |
9f8b032d | 446 | } |
fffad32e | 447 | else { |
448 | unsigned char start[3], next[3]; | |
449 | unsigned int this_s, start_s, next_s, pregap; | |
450 | int relative_s; | |
451 | ||
452 | CDR_getTD(cdr.CurTrack, start); | |
453 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
454 | pregap = 150; | |
455 | CDR_getTD(cdr.CurTrack + 1, next); | |
456 | } | |
457 | else { | |
458 | // last track - cd size | |
459 | pregap = 0; | |
460 | next[0] = cdr.SetSectorEnd[2]; | |
461 | next[1] = cdr.SetSectorEnd[1]; | |
462 | next[2] = cdr.SetSectorEnd[0]; | |
463 | } | |
9f8b032d | 464 | |
fffad32e | 465 | this_s = msf2sec(time); |
466 | start_s = fsm2sec(start); | |
467 | next_s = fsm2sec(next); | |
9f8b032d | 468 | |
fffad32e | 469 | if (next_s - this_s < pregap) { |
470 | cdr.TrackChanged = TRUE; | |
471 | cdr.CurTrack++; | |
472 | start_s = next_s; | |
473 | } | |
9f8b032d | 474 | |
fffad32e | 475 | cdr.subq.Index = 1; |
9f8b032d | 476 | |
fffad32e | 477 | relative_s = this_s - start_s; |
478 | if (relative_s < 0) { | |
479 | cdr.subq.Index = 0; | |
480 | relative_s = -relative_s; | |
481 | } | |
482 | sec2msf(relative_s, cdr.subq.Relative); | |
483 | ||
484 | cdr.subq.Track = itob(cdr.CurTrack); | |
485 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
486 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
487 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
488 | cdr.subq.Absolute[0] = tmp[0]; | |
489 | cdr.subq.Absolute[1] = tmp[1]; | |
490 | cdr.subq.Absolute[2] = tmp[2]; | |
9f8b032d | 491 | } |
9f8b032d | 492 | |
fffad32e | 493 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
494 | cdr.subq.Track, cdr.subq.Index, | |
495 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
496 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
497 | } | |
9f8b032d | 498 | |
fffad32e | 499 | static void AddIrqQueue(unsigned char irq, unsigned long ecycle) { |
500 | if (cdr.Irq != 0) | |
501 | CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq); | |
9f8b032d | 502 | |
fffad32e | 503 | cdr.Irq = irq; |
504 | cdr.eCycle = ecycle; | |
9f8b032d | 505 | |
fffad32e | 506 | CDR_INT(ecycle); |
ef79bbde P |
507 | } |
508 | ||
7f457614 | 509 | static void cdrPlayInterrupt_Autopause() |
510 | { | |
fffad32e | 511 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 512 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 513 | |
514 | // Magic the Gathering | |
515 | // - looping territory cdda | |
516 | ||
517 | // ...? | |
518 | //cdr.ResultReady = 1; | |
519 | //cdr.Stat = DataReady; | |
520 | cdr.Stat = DataEnd; | |
94c118c3 | 521 | setIrq(); |
7f457614 | 522 | |
523 | StopCdda(); | |
524 | } | |
a02ee86f | 525 | else if (cdr.Mode & MODE_REPORT) { |
7f457614 | 526 | |
fffad32e | 527 | cdr.Result[0] = cdr.StatP; |
528 | cdr.Result[1] = cdr.subq.Track; | |
529 | cdr.Result[2] = cdr.subq.Index; | |
9b470ab7 | 530 | |
fffad32e | 531 | if (cdr.subq.Absolute[2] & 0x10) { |
532 | cdr.Result[3] = cdr.subq.Relative[0]; | |
533 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
534 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 535 | } |
fffad32e | 536 | else { |
537 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
538 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
539 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
540 | } | |
541 | ||
542 | cdr.Result[6] = 0; | |
543 | cdr.Result[7] = 0; | |
7f457614 | 544 | |
545 | // Rayman: Logo freeze (resultready + dataready) | |
546 | cdr.ResultReady = 1; | |
547 | cdr.Stat = DataReady; | |
548 | ||
549 | SetResultSize(8); | |
94c118c3 | 550 | setIrq(); |
7f457614 | 551 | } |
552 | } | |
553 | ||
39df67df | 554 | // also handles seek |
7f457614 | 555 | void cdrPlayInterrupt() |
556 | { | |
892bd7d4 | 557 | if (cdr.Seeked == SEEK_PENDING) { |
e7e33ef2 | 558 | if (cdr.Stat) { |
8b380e97 | 559 | CDR_LOG_I("cdrom: seek stat hack\n"); |
e7e33ef2 | 560 | CDRMISC_INT(0x1000); |
561 | return; | |
562 | } | |
39df67df | 563 | SetResultSize(1); |
564 | cdr.StatP |= STATUS_ROTATING; | |
565 | cdr.StatP &= ~STATUS_SEEK; | |
566 | cdr.Result[0] = cdr.StatP; | |
892bd7d4 | 567 | cdr.Seeked = SEEK_DONE; |
a34a2445 | 568 | if (cdr.Irq == 0) { |
39df67df | 569 | cdr.Stat = Complete; |
94c118c3 | 570 | setIrq(); |
39df67df | 571 | } |
572 | ||
892bd7d4 | 573 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); |
fffad32e | 574 | Find_CurTrack(cdr.SetSectorPlay); |
92ca1ba6 | 575 | ReadTrack(cdr.SetSectorPlay, 1); |
fffad32e | 576 | cdr.TrackChanged = FALSE; |
39df67df | 577 | } |
578 | ||
579 | if (!cdr.Play) return; | |
7f457614 | 580 | |
7f457614 | 581 | CDR_LOG( "CDDA - %d:%d:%d\n", |
582 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 583 | |
fffad32e | 584 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
585 | StopCdda(); | |
586 | cdr.TrackChanged = TRUE; | |
587 | } | |
7f457614 | 588 | |
892bd7d4 | 589 | if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 590 | cdrPlayInterrupt_Autopause(); |
591 | ||
fffad32e | 592 | if (!cdr.Play) return; |
593 | ||
7f457614 | 594 | cdr.SetSectorPlay[2]++; |
595 | if (cdr.SetSectorPlay[2] == 75) { | |
596 | cdr.SetSectorPlay[2] = 0; | |
597 | cdr.SetSectorPlay[1]++; | |
598 | if (cdr.SetSectorPlay[1] == 60) { | |
599 | cdr.SetSectorPlay[1] = 0; | |
600 | cdr.SetSectorPlay[0]++; | |
601 | } | |
602 | } | |
603 | ||
fffad32e | 604 | CDRMISC_INT(cdReadTime); |
605 | ||
606 | // update for CdlGetlocP/autopause | |
92ca1ba6 | 607 | ReadTrack(cdr.SetSectorPlay, 0); |
7f457614 | 608 | } |
609 | ||
ef79bbde P |
610 | void cdrInterrupt() { |
611 | int i; | |
612 | unsigned char Irq = cdr.Irq; | |
613 | ||
9f8b032d | 614 | // Reschedule IRQ |
ef79bbde | 615 | if (cdr.Stat) { |
8b380e97 | 616 | CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 617 | CDR_INT(0x1000); |
ef79bbde P |
618 | return; |
619 | } | |
620 | ||
a34a2445 | 621 | cdr.Irq = 0; |
ef79bbde P |
622 | cdr.Ctrl &= ~0x80; |
623 | ||
624 | switch (Irq) { | |
625 | case CdlSync: | |
626 | SetResultSize(1); | |
9f8b032d | 627 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
628 | cdr.Result[0] = cdr.StatP; |
629 | cdr.Stat = Acknowledge; | |
630 | break; | |
631 | ||
632 | case CdlNop: | |
633 | SetResultSize(1); | |
634 | cdr.Result[0] = cdr.StatP; | |
635 | cdr.Stat = Acknowledge; | |
9f8b032d | 636 | |
637 | if (cdr.LidCheck == 0) cdr.LidCheck = 0x20; | |
ef79bbde P |
638 | break; |
639 | ||
640 | case CdlSetloc: | |
641 | cdr.CmdProcess = 0; | |
642 | SetResultSize(1); | |
9f8b032d | 643 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
644 | cdr.Result[0] = cdr.StatP; |
645 | cdr.Stat = Acknowledge; | |
646 | break; | |
647 | ||
648 | case CdlPlay: | |
39df67df | 649 | if (cdr.Seeked == SEEK_PENDING) { |
650 | // XXX: wrong, should seek instead.. | |
9f8b032d | 651 | memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 ); |
39df67df | 652 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 653 | } |
654 | ||
2d5ca6c0 | 655 | // BIOS CD Player |
656 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
657 | ||
658 | if (cdr.ParamC == 0 || cdr.Param[0] == 0) { | |
659 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
660 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
661 | } | |
662 | else | |
663 | { | |
664 | int track = btoi( cdr.Param[0] ); | |
665 | ||
666 | if (track <= cdr.ResultTN[1]) | |
667 | cdr.CurTrack = track; | |
668 | ||
669 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
670 | ||
671 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
672 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
673 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
674 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
675 | } | |
676 | } | |
677 | ||
9f8b032d | 678 | /* |
679 | Rayman: detect track changes | |
680 | - fixes logo freeze | |
681 | ||
682 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
683 | - plays tracks without retry play | |
684 | ||
685 | Wild 9: skip PREGAP + starting accurate SubQ | |
686 | - plays tracks without retry play | |
687 | */ | |
fffad32e | 688 | Find_CurTrack(cdr.SetSectorPlay); |
92ca1ba6 | 689 | ReadTrack(cdr.SetSectorPlay, 1); |
fffad32e | 690 | cdr.TrackChanged = FALSE; |
9f8b032d | 691 | |
2d5ca6c0 | 692 | if (!Config.Cdda) |
693 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 694 | |
695 | // Vib Ribbon: gameplay checks flag | |
696 | cdr.StatP &= ~STATUS_SEEK; | |
697 | ||
ef79bbde P |
698 | cdr.CmdProcess = 0; |
699 | SetResultSize(1); | |
9f8b032d | 700 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
701 | cdr.Result[0] = cdr.StatP; |
702 | cdr.Stat = Acknowledge; | |
9f8b032d | 703 | |
704 | cdr.StatP |= STATUS_PLAY; | |
705 | ||
706 | ||
707 | // BIOS player - set flag again | |
708 | cdr.Play = TRUE; | |
709 | ||
39df67df | 710 | CDRMISC_INT( cdReadTime ); |
ef79bbde P |
711 | break; |
712 | ||
9f8b032d | 713 | case CdlForward: |
ef79bbde P |
714 | cdr.CmdProcess = 0; |
715 | SetResultSize(1); | |
9f8b032d | 716 | cdr.StatP |= STATUS_ROTATING; |
717 | cdr.Result[0] = cdr.StatP; | |
718 | cdr.Stat = Complete; | |
719 | ||
720 | ||
721 | // GameShark CD Player: Calls 2x + Play 2x | |
722 | if( cdr.FastForward == 0 ) cdr.FastForward = 2; | |
723 | else cdr.FastForward++; | |
724 | ||
725 | cdr.FastBackward = 0; | |
ef79bbde P |
726 | break; |
727 | ||
9f8b032d | 728 | case CdlBackward: |
ef79bbde P |
729 | cdr.CmdProcess = 0; |
730 | SetResultSize(1); | |
9f8b032d | 731 | cdr.StatP |= STATUS_ROTATING; |
732 | cdr.Result[0] = cdr.StatP; | |
733 | cdr.Stat = Complete; | |
734 | ||
735 | ||
736 | // GameShark CD Player: Calls 2x + Play 2x | |
737 | if( cdr.FastBackward == 0 ) cdr.FastBackward = 2; | |
738 | else cdr.FastBackward++; | |
739 | ||
740 | cdr.FastForward = 0; | |
ef79bbde P |
741 | break; |
742 | ||
9f8b032d | 743 | case CdlStandby: |
ef79bbde P |
744 | cdr.CmdProcess = 0; |
745 | SetResultSize(1); | |
9f8b032d | 746 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
747 | cdr.Result[0] = cdr.StatP; |
748 | cdr.Stat = Complete; | |
749 | break; | |
750 | ||
751 | case CdlStop: | |
752 | cdr.CmdProcess = 0; | |
753 | SetResultSize(1); | |
9f8b032d | 754 | cdr.StatP &= ~STATUS_ROTATING; |
ef79bbde P |
755 | cdr.Result[0] = cdr.StatP; |
756 | cdr.Stat = Complete; | |
757 | // cdr.Stat = Acknowledge; | |
758 | ||
9f8b032d | 759 | if (cdr.LidCheck == 0) cdr.LidCheck = 0x20; |
ef79bbde P |
760 | break; |
761 | ||
762 | case CdlPause: | |
763 | SetResultSize(1); | |
764 | cdr.Result[0] = cdr.StatP; | |
9f8b032d | 765 | cdr.Stat = Acknowledge; |
766 | ||
12228917 | 767 | /* |
768 | Gundam Battle Assault 2: much slower (*) | |
769 | - Fixes boot, gameplay | |
770 | ||
771 | Hokuto no Ken 2: slower | |
772 | - Fixes intro + subtitles | |
773 | ||
774 | InuYasha - Feudal Fairy Tale: slower | |
775 | - Fixes battles | |
776 | */ | |
777 | AddIrqQueue(CdlPause + 0x20, cdReadTime * 3); | |
ef79bbde P |
778 | cdr.Ctrl |= 0x80; |
779 | break; | |
780 | ||
781 | case CdlPause + 0x20: | |
782 | SetResultSize(1); | |
9f8b032d | 783 | cdr.StatP &= ~STATUS_READ; |
784 | cdr.StatP |= STATUS_ROTATING; | |
ef79bbde | 785 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 786 | cdr.Stat = Complete; |
ef79bbde P |
787 | break; |
788 | ||
9f8b032d | 789 | case CdlInit: |
ef79bbde | 790 | SetResultSize(1); |
9f8b032d | 791 | cdr.StatP = STATUS_ROTATING; |
ef79bbde | 792 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 793 | cdr.Stat = Acknowledge; |
ef79bbde | 794 | // if (!cdr.Init) { |
9f8b032d | 795 | AddIrqQueue(CdlInit + 0x20, 0x800); |
ef79bbde P |
796 | // } |
797 | break; | |
798 | ||
799 | case CdlInit + 0x20: | |
800 | SetResultSize(1); | |
801 | cdr.Result[0] = cdr.StatP; | |
9f8b032d | 802 | cdr.Stat = Complete; |
ef79bbde P |
803 | cdr.Init = 1; |
804 | break; | |
805 | ||
9f8b032d | 806 | case CdlMute: |
ef79bbde | 807 | SetResultSize(1); |
9f8b032d | 808 | cdr.StatP |= STATUS_ROTATING; |
809 | cdr.Result[0] = cdr.StatP; | |
810 | cdr.Stat = Acknowledge; | |
ef79bbde P |
811 | break; |
812 | ||
9f8b032d | 813 | case CdlDemute: |
ef79bbde | 814 | SetResultSize(1); |
9f8b032d | 815 | cdr.StatP |= STATUS_ROTATING; |
816 | cdr.Result[0] = cdr.StatP; | |
817 | cdr.Stat = Acknowledge; | |
ef79bbde P |
818 | break; |
819 | ||
9f8b032d | 820 | case CdlSetfilter: |
ef79bbde | 821 | SetResultSize(1); |
9f8b032d | 822 | cdr.StatP |= STATUS_ROTATING; |
823 | cdr.Result[0] = cdr.StatP; | |
824 | cdr.Stat = Acknowledge; | |
825 | break; | |
ef79bbde P |
826 | |
827 | case CdlSetmode: | |
828 | SetResultSize(1); | |
9f8b032d | 829 | cdr.StatP |= STATUS_ROTATING; |
830 | cdr.Result[0] = cdr.StatP; | |
831 | cdr.Stat = Acknowledge; | |
832 | break; | |
ef79bbde | 833 | |
9f8b032d | 834 | case CdlGetmode: |
ef79bbde | 835 | SetResultSize(6); |
9f8b032d | 836 | cdr.StatP |= STATUS_ROTATING; |
837 | cdr.Result[0] = cdr.StatP; | |
838 | cdr.Result[1] = cdr.Mode; | |
839 | cdr.Result[2] = cdr.File; | |
840 | cdr.Result[3] = cdr.Channel; | |
841 | cdr.Result[4] = 0; | |
842 | cdr.Result[5] = 0; | |
843 | cdr.Stat = Acknowledge; | |
844 | break; | |
ef79bbde | 845 | |
9f8b032d | 846 | case CdlGetlocL: |
ef79bbde | 847 | SetResultSize(8); |
9f8b032d | 848 | for (i = 0; i < 8; i++) |
ef79bbde | 849 | cdr.Result[i] = cdr.Transfer[i]; |
9f8b032d | 850 | cdr.Stat = Acknowledge; |
851 | break; | |
ef79bbde P |
852 | |
853 | case CdlGetlocP: | |
fffad32e | 854 | SetResultSize(8); |
855 | memcpy(&cdr.Result, &cdr.subq, 8); | |
ef79bbde | 856 | |
892bd7d4 | 857 | if (!cdr.Play && !cdr.Reading) |
858 | cdr.Result[1] = 0; // HACK? | |
859 | ||
ef79bbde P |
860 | cdr.Stat = Acknowledge; |
861 | break; | |
862 | ||
9f8b032d | 863 | case CdlGetTN: |
864 | // 5-Star Racing: don't stop CDDA | |
865 | // | |
866 | // Vib Ribbon: CD swap | |
867 | StopReading(); | |
868 | ||
ef79bbde P |
869 | cdr.CmdProcess = 0; |
870 | SetResultSize(3); | |
9f8b032d | 871 | cdr.StatP |= STATUS_ROTATING; |
872 | cdr.Result[0] = cdr.StatP; | |
873 | if (CDR_getTN(cdr.ResultTN) == -1) { | |
ef79bbde | 874 | cdr.Stat = DiskError; |
9f8b032d | 875 | cdr.Result[0] |= STATUS_ERROR; |
876 | } else { | |
877 | cdr.Stat = Acknowledge; | |
878 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
879 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
880 | } | |
881 | break; | |
ef79bbde | 882 | |
9f8b032d | 883 | case CdlGetTD: |
ef79bbde P |
884 | cdr.CmdProcess = 0; |
885 | cdr.Track = btoi(cdr.Param[0]); | |
886 | SetResultSize(4); | |
9f8b032d | 887 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
888 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
889 | cdr.Stat = DiskError; | |
9f8b032d | 890 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
891 | } else { |
892 | cdr.Stat = Acknowledge; | |
893 | cdr.Result[0] = cdr.StatP; | |
894 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
895 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
896 | cdr.Result[3] = itob(cdr.ResultTD[0]); | |
897 | } | |
898 | break; | |
899 | ||
9f8b032d | 900 | case CdlSeekL: |
39df67df | 901 | case CdlSeekP: |
ef79bbde | 902 | SetResultSize(1); |
9f8b032d | 903 | cdr.StatP |= STATUS_ROTATING; |
904 | cdr.Result[0] = cdr.StatP; | |
905 | cdr.StatP |= STATUS_SEEK; | |
906 | cdr.Stat = Acknowledge; | |
907 | ||
908 | /* | |
909 | Crusaders of Might and Magic = 0.5x-4x | |
910 | - fix cutscene speech start | |
911 | ||
912 | Eggs of Steel = 2x-? | |
913 | - fix new game | |
914 | ||
915 | Medievil = ?-4x | |
916 | - fix cutscene speech | |
917 | ||
918 | Rockman X5 = 0.5-4x | |
919 | - fix capcom logo | |
920 | */ | |
39df67df | 921 | CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4); |
892bd7d4 | 922 | cdr.Seeked = SEEK_PENDING; |
ef79bbde P |
923 | break; |
924 | ||
925 | case CdlTest: | |
9f8b032d | 926 | cdr.Stat = Acknowledge; |
927 | switch (cdr.Param[0]) { | |
928 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
929 | SetResultSize(4); |
930 | memcpy(cdr.Result, Test20, 4); | |
931 | break; | |
932 | case 0x22: | |
933 | SetResultSize(8); | |
934 | memcpy(cdr.Result, Test22, 4); | |
935 | break; | |
936 | case 0x23: case 0x24: | |
937 | SetResultSize(8); | |
938 | memcpy(cdr.Result, Test23, 4); | |
939 | break; | |
9f8b032d | 940 | } |
ef79bbde P |
941 | break; |
942 | ||
9f8b032d | 943 | case CdlID: |
ef79bbde | 944 | SetResultSize(1); |
9f8b032d | 945 | cdr.StatP |= STATUS_ROTATING; |
946 | cdr.Result[0] = cdr.StatP; | |
947 | cdr.Stat = Acknowledge; | |
948 | AddIrqQueue(CdlID + 0x20, 0x800); | |
ef79bbde P |
949 | break; |
950 | ||
951 | case CdlID + 0x20: | |
952 | SetResultSize(8); | |
9f8b032d | 953 | |
954 | if (CDR_getStatus(&stat) == -1) { | |
955 | cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player | |
956 | cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD | |
957 | } | |
958 | else { | |
959 | if (stat.Type == 2) { | |
960 | // Music CD | |
961 | cdr.Result[0] = 0x08; | |
962 | cdr.Result[1] = 0x10; | |
963 | ||
964 | cdr.Result[1] |= 0x80; | |
965 | } | |
966 | else { | |
967 | // Data CD | |
968 | if (CdromId[0] == '\0') { | |
969 | cdr.Result[0] = 0x00; | |
970 | cdr.Result[1] = 0x80; | |
971 | } | |
972 | else { | |
973 | cdr.Result[0] = 0x08; | |
974 | cdr.Result[1] = 0x00; | |
975 | } | |
976 | } | |
977 | } | |
978 | ||
ef79bbde P |
979 | cdr.Result[2] = 0x00; |
980 | cdr.Result[3] = 0x00; | |
981 | strncpy((char *)&cdr.Result[4], "PCSX", 4); | |
982 | cdr.Stat = Complete; | |
983 | break; | |
984 | ||
985 | case CdlReset: | |
986 | SetResultSize(1); | |
9f8b032d | 987 | cdr.StatP = STATUS_ROTATING; |
ef79bbde | 988 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 989 | cdr.Stat = Acknowledge; |
ef79bbde P |
990 | break; |
991 | ||
9f8b032d | 992 | case CdlReadT: |
993 | SetResultSize(1); | |
994 | cdr.StatP |= STATUS_ROTATING; | |
995 | cdr.Result[0] = cdr.StatP; | |
996 | cdr.Stat = Acknowledge; | |
997 | AddIrqQueue(CdlReadT + 0x20, 0x800); | |
998 | break; | |
999 | ||
1000 | case CdlReadT + 0x20: | |
1001 | SetResultSize(1); | |
1002 | cdr.StatP |= STATUS_ROTATING; | |
1003 | cdr.Result[0] = cdr.StatP; | |
1004 | cdr.Stat = Complete; | |
1005 | break; | |
1006 | ||
1007 | case CdlReadToc: | |
ef79bbde | 1008 | SetResultSize(1); |
9f8b032d | 1009 | cdr.StatP |= STATUS_ROTATING; |
1010 | cdr.Result[0] = cdr.StatP; | |
1011 | cdr.Stat = Acknowledge; | |
1012 | AddIrqQueue(CdlReadToc + 0x20, 0x800); | |
ef79bbde P |
1013 | break; |
1014 | ||
9f8b032d | 1015 | case CdlReadToc + 0x20: |
ef79bbde | 1016 | SetResultSize(1); |
9f8b032d | 1017 | cdr.StatP |= STATUS_ROTATING; |
1018 | cdr.Result[0] = cdr.StatP; | |
1019 | cdr.Stat = Complete; | |
ef79bbde P |
1020 | break; |
1021 | ||
94c118c3 | 1022 | case CdlReadN: |
1023 | case CdlReadS: | |
ef79bbde P |
1024 | if (!cdr.Reading) return; |
1025 | ||
9f8b032d | 1026 | // Fighting Force 2 - update subq time immediately |
1027 | // - fixes new game | |
fffad32e | 1028 | cdr.CurTrack = 1; |
92ca1ba6 | 1029 | ReadTrack(cdr.SetSector, 1); |
9f8b032d | 1030 | |
1031 | ||
1032 | // Crusaders of Might and Magic - update getlocl now | |
1033 | // - fixes cutscene speech | |
1034 | { | |
1035 | u8 *buf = CDR_getBuffer(); | |
a48ae3a7 | 1036 | if (buf != NULL) |
1037 | memcpy(cdr.Transfer, buf, 8); | |
9f8b032d | 1038 | } |
39df67df | 1039 | |
9f8b032d | 1040 | /* |
1041 | Duke Nukem: Land of the Babes - seek then delay read for one frame | |
1042 | - fixes cutscenes | |
914722b2 | 1043 | C-12 - Final Resistance - doesn't like seek |
9f8b032d | 1044 | */ |
1045 | ||
39df67df | 1046 | if (cdr.Seeked != SEEK_DONE) { |
9f8b032d | 1047 | cdr.StatP |= STATUS_SEEK; |
1048 | cdr.StatP &= ~STATUS_READ; | |
1049 | ||
1050 | // Crusaders of Might and Magic - use short time | |
1051 | // - fix cutscene speech (startup) | |
1052 | ||
1053 | // ??? - use more accurate seek time later | |
1054 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
1055 | } else { | |
1056 | cdr.StatP |= STATUS_READ; | |
1057 | cdr.StatP &= ~STATUS_SEEK; | |
1058 | ||
1059 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
1060 | } | |
ef79bbde | 1061 | |
ef79bbde | 1062 | SetResultSize(1); |
9f8b032d | 1063 | cdr.StatP |= STATUS_ROTATING; |
1064 | cdr.Result[0] = cdr.StatP; | |
1065 | cdr.Stat = Acknowledge; | |
ef79bbde P |
1066 | break; |
1067 | ||
ef79bbde P |
1068 | default: |
1069 | cdr.Stat = Complete; | |
1070 | break; | |
1071 | } | |
1072 | ||
9f8b032d | 1073 | Check_Shell( Irq ); |
1074 | ||
2daaaae3 | 1075 | cdr.ParamC = 0; |
1076 | ||
94c118c3 | 1077 | setIrq(); |
ef79bbde | 1078 | |
8b380e97 | 1079 | #ifdef CDR_LOG_CMD_IRQ |
1080 | SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ", | |
1081 | cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq); | |
39df67df | 1082 | for (i = 0; i < cdr.ResultC; i++) |
8b380e97 | 1083 | SysPrintf("%02x ", cdr.Result[i]); |
1084 | SysPrintf("\n"); | |
ef79bbde P |
1085 | #endif |
1086 | } | |
1087 | ||
1088 | void cdrReadInterrupt() { | |
1089 | u8 *buf; | |
1090 | ||
1091 | if (!cdr.Reading) | |
1092 | return; | |
1093 | ||
9f8b032d | 1094 | if (cdr.Irq || cdr.Stat) { |
8b380e97 | 1095 | CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 1096 | CDREAD_INT(0x1000); |
ef79bbde P |
1097 | return; |
1098 | } | |
1099 | ||
9f8b032d | 1100 | cdr.OCUP = 1; |
ef79bbde | 1101 | SetResultSize(1); |
9f8b032d | 1102 | cdr.StatP |= STATUS_READ|STATUS_ROTATING; |
1103 | cdr.StatP &= ~STATUS_SEEK; | |
1104 | cdr.Result[0] = cdr.StatP; | |
39df67df | 1105 | cdr.Seeked = SEEK_DONE; |
ef79bbde | 1106 | |
92ca1ba6 | 1107 | ReadTrack(cdr.SetSector, 0); |
ef79bbde P |
1108 | |
1109 | buf = CDR_getBuffer(); | |
1110 | if (buf == NULL) | |
1111 | cdr.RErr = -1; | |
1112 | ||
1113 | if (cdr.RErr == -1) { | |
8b380e97 | 1114 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde P |
1115 | memset(cdr.Transfer, 0, DATA_SIZE); |
1116 | cdr.Stat = DiskError; | |
9f8b032d | 1117 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1118 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
1119 | return; | |
1120 | } | |
1121 | ||
1122 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1123 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1124 | ||
ef79bbde | 1125 | |
8b380e97 | 1126 | CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
ef79bbde | 1127 | |
9f8b032d | 1128 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
1129 | // Firemen 2: Multi-XA files - briefings, cutscenes | |
1130 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
1131 | cdr.File = cdr.Transfer[4 + 0]; | |
1132 | cdr.Channel = cdr.Transfer[4 + 1]; | |
1133 | } | |
1134 | ||
ef79bbde | 1135 | if ((cdr.Transfer[4 + 2] & 0x4) && |
9f8b032d | 1136 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
ef79bbde P |
1137 | (cdr.Transfer[4 + 0] == cdr.File)) { |
1138 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); | |
1139 | ||
1140 | if (!ret) { | |
056d6759 | 1141 | // only handle attenuator basic channel switch for now |
1142 | if (cdr.Xa.stereo) { | |
1143 | int i; | |
1144 | if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1]) | |
1145 | && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1])) | |
1146 | { | |
1147 | for (i = 0; i < cdr.Xa.nsamples; i++) | |
1148 | cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2]; | |
1149 | } | |
1150 | else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1]) | |
1151 | && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1])) | |
1152 | { | |
1153 | for (i = 0; i < cdr.Xa.nsamples; i++) | |
1154 | cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1]; | |
1155 | } | |
1156 | } | |
1157 | ||
ef79bbde P |
1158 | SPU_playADPCMchannel(&cdr.Xa); |
1159 | cdr.FirstSector = 0; | |
9f8b032d | 1160 | |
2f246254 | 1161 | #if 0 |
9f8b032d | 1162 | // Crash Team Racing: music, speech |
2f246254 | 1163 | // - done using cdda decoded buffer (spu irq) |
1164 | // - don't do here | |
9f8b032d | 1165 | |
1166 | // signal ADPCM data ready | |
94c118c3 | 1167 | setIrq(); |
2f246254 | 1168 | #endif |
ef79bbde P |
1169 | } |
1170 | else cdr.FirstSector = -1; | |
1171 | } | |
1172 | } | |
1173 | ||
1174 | cdr.SetSector[2]++; | |
9f8b032d | 1175 | if (cdr.SetSector[2] == 75) { |
1176 | cdr.SetSector[2] = 0; | |
1177 | cdr.SetSector[1]++; | |
1178 | if (cdr.SetSector[1] == 60) { | |
1179 | cdr.SetSector[1] = 0; | |
1180 | cdr.SetSector[0]++; | |
1181 | } | |
1182 | } | |
1183 | ||
1184 | cdr.Readed = 0; | |
1185 | ||
a34a2445 | 1186 | CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); |
9f8b032d | 1187 | |
1188 | /* | |
1189 | Croc 2: $40 - only FORM1 (*) | |
1190 | Judge Dredd: $C8 - only FORM1 (*) | |
1191 | Sim Theme Park - no adpcm at all (zero) | |
1192 | */ | |
1193 | ||
a34a2445 | 1194 | if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) { |
9f8b032d | 1195 | cdr.Stat = DataReady; |
a34a2445 | 1196 | setIrq(); |
ef79bbde | 1197 | } |
9f8b032d | 1198 | |
fffad32e | 1199 | // update for CdlGetlocP |
92ca1ba6 | 1200 | ReadTrack(cdr.SetSector, 0); |
fffad32e | 1201 | |
9f8b032d | 1202 | Check_Shell(0); |
ef79bbde P |
1203 | } |
1204 | ||
1205 | /* | |
1206 | cdrRead0: | |
94c118c3 | 1207 | bit 0,1 - mode |
ef79bbde P |
1208 | bit 2 - unknown |
1209 | bit 3 - unknown | |
1210 | bit 4 - unknown | |
1211 | bit 5 - 1 result ready | |
1212 | bit 6 - 1 dma ready | |
1213 | bit 7 - 1 command being processed | |
1214 | */ | |
1215 | ||
1216 | unsigned char cdrRead0(void) { | |
1217 | if (cdr.ResultReady) | |
1218 | cdr.Ctrl |= 0x20; | |
1219 | else | |
1220 | cdr.Ctrl &= ~0x20; | |
1221 | ||
1222 | if (cdr.OCUP) | |
1223 | cdr.Ctrl |= 0x40; | |
1224 | // else | |
1225 | // cdr.Ctrl &= ~0x40; | |
1226 | ||
1227 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1228 | cdr.Ctrl |= 0x18; | |
1229 | ||
8b380e97 | 1230 | CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl); |
ef79bbde P |
1231 | |
1232 | return psxHu8(0x1800) = cdr.Ctrl; | |
1233 | } | |
1234 | ||
ef79bbde | 1235 | void cdrWrite0(unsigned char rt) { |
8b380e97 | 1236 | CDR_LOG_IO("cdr w0: %02x\n", rt); |
1237 | ||
50b13be9 | 1238 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1239 | } |
1240 | ||
1241 | unsigned char cdrRead1(void) { | |
94c118c3 | 1242 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1243 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1244 | else |
ef79bbde | 1245 | psxHu8(0x1801) = 0; |
94c118c3 | 1246 | cdr.ResultP++; |
1247 | if (cdr.ResultP == cdr.ResultC) | |
1248 | cdr.ResultReady = 0; | |
1249 | ||
8b380e97 | 1250 | CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801)); |
1251 | ||
ef79bbde P |
1252 | return psxHu8(0x1801); |
1253 | } | |
1254 | ||
1255 | void cdrWrite1(unsigned char rt) { | |
305c8c93 | 1256 | u8 set_loc[3]; |
ef79bbde P |
1257 | int i; |
1258 | ||
8b380e97 | 1259 | CDR_LOG_IO("cdr w1: %02x\n", rt); |
9f8b032d | 1260 | |
94c118c3 | 1261 | switch (cdr.Ctrl & 3) { |
1262 | case 0: | |
1263 | break; | |
1264 | case 3: | |
1265 | cdr.AttenuatorRight[1] = rt; | |
1266 | return; | |
1267 | default: | |
1268 | return; | |
9f8b032d | 1269 | } |
1270 | ||
9f8b032d | 1271 | cdr.Cmd = rt; |
ef79bbde P |
1272 | cdr.OCUP = 0; |
1273 | ||
8b380e97 | 1274 | #ifdef CDR_LOG_CMD_IRQ |
ef79bbde P |
1275 | SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]); |
1276 | if (cdr.ParamC) { | |
1277 | SysPrintf(" Param[%d] = {", cdr.ParamC); | |
1278 | for (i = 0; i < cdr.ParamC; i++) | |
1279 | SysPrintf(" %x,", cdr.Param[i]); | |
1280 | SysPrintf("}\n"); | |
1281 | } else { | |
1282 | SysPrintf("\n"); | |
1283 | } | |
1284 | #endif | |
1285 | ||
2daaaae3 | 1286 | cdr.ResultReady = 0; |
94c118c3 | 1287 | cdr.Ctrl |= 0x80; |
1288 | // cdr.Stat = NoIntr; | |
1289 | AddIrqQueue(cdr.Cmd, 0x800); | |
2daaaae3 | 1290 | |
9f8b032d | 1291 | switch (cdr.Cmd) { |
94c118c3 | 1292 | case CdlSync: |
1293 | case CdlNop: | |
1294 | case CdlForward: | |
1295 | case CdlBackward: | |
1296 | case CdlReadT: | |
1297 | case CdlTest: | |
1298 | case CdlID: | |
1299 | case CdlReadToc: | |
1300 | case CdlGetmode: | |
1301 | case CdlGetlocL: | |
1302 | case CdlGetlocP: | |
1303 | case CdlGetTD: | |
1304 | break; | |
ef79bbde | 1305 | |
94c118c3 | 1306 | case CdlSetloc: |
9f8b032d | 1307 | StopReading(); |
9f8b032d | 1308 | for (i = 0; i < 3; i++) |
914722b2 | 1309 | set_loc[i] = btoi(cdr.Param[i]); |
39df67df | 1310 | |
2d5ca6c0 | 1311 | // FIXME: clean up this SetSector/SetSectorPlay mess, |
1312 | // there should be single var tracking current sector pos | |
1313 | if (cdr.Play) | |
1314 | i = msf2sec(cdr.SetSectorPlay); | |
1315 | else | |
1316 | i = msf2sec(cdr.SetSector); | |
1317 | i = abs(i - msf2sec(set_loc)); | |
914722b2 | 1318 | if (i > 16) |
94c118c3 | 1319 | cdr.Seeked = SEEK_PENDING; |
39df67df | 1320 | |
914722b2 | 1321 | memcpy(cdr.SetSector, set_loc, 3); |
94c118c3 | 1322 | cdr.SetSector[3] = 0; |
1323 | break; | |
ef79bbde | 1324 | |
94c118c3 | 1325 | case CdlPlay: |
9f8b032d | 1326 | // Vib Ribbon: try same track again |
1327 | StopCdda(); | |
1328 | ||
2d5ca6c0 | 1329 | #if 0 |
9f8b032d | 1330 | if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) { |
1331 | if (CDR_getTN(cdr.ResultTN) != -1) { | |
1332 | if (cdr.CurTrack > cdr.ResultTN[1]) | |
1333 | cdr.CurTrack = cdr.ResultTN[1]; | |
1334 | if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) { | |
1335 | int tmp = cdr.ResultTD[2]; | |
1336 | cdr.ResultTD[2] = cdr.ResultTD[0]; | |
1337 | cdr.ResultTD[0] = tmp; | |
1338 | if (!Config.Cdda) CDR_play(cdr.ResultTD); | |
1339 | } | |
ef79bbde | 1340 | } |
9f8b032d | 1341 | } |
2d5ca6c0 | 1342 | #endif |
9f8b032d | 1343 | // Vib Ribbon - decoded buffer IRQ for CDDA reading |
1344 | // - fixes ribbon timing + music CD mode | |
1345 | //TODO? | |
1346 | //CDRDBUF_INT( PSXCLK / 44100 * 0x100 ); | |
1347 | ||
9f8b032d | 1348 | cdr.Play = TRUE; |
1349 | ||
1350 | cdr.StatP |= STATUS_SEEK; | |
1351 | cdr.StatP &= ~STATUS_ROTATING; | |
94c118c3 | 1352 | break; |
9f8b032d | 1353 | |
94c118c3 | 1354 | case CdlReadN: |
9f8b032d | 1355 | StopReading(); |
94c118c3 | 1356 | cdr.Reading = 1; |
1357 | cdr.FirstSector = 1; | |
1358 | cdr.Readed = 0xff; | |
9f8b032d | 1359 | break; |
ef79bbde | 1360 | |
94c118c3 | 1361 | case CdlStandby: |
9f8b032d | 1362 | StopCdda(); |
1363 | StopReading(); | |
94c118c3 | 1364 | break; |
ef79bbde | 1365 | |
94c118c3 | 1366 | case CdlStop: |
9f8b032d | 1367 | // GameShark CD Player: Reset CDDA to track start |
2d5ca6c0 | 1368 | if (cdr.Play) { |
9f8b032d | 1369 | // grab time for current track |
1370 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
1371 | ||
1372 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
1373 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
1374 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
1375 | } | |
1376 | ||
1377 | StopCdda(); | |
1378 | StopReading(); | |
94c118c3 | 1379 | break; |
9f8b032d | 1380 | |
94c118c3 | 1381 | case CdlPause: |
9f8b032d | 1382 | /* |
1383 | GameShark CD Player: save time for resume | |
1384 | ||
aa1f7284 | 1385 | Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors |
1386 | */ | |
ef79bbde | 1387 | |
9f8b032d | 1388 | StopCdda(); |
1389 | StopReading(); | |
9f8b032d | 1390 | break; |
1391 | ||
1392 | case CdlReset: | |
94c118c3 | 1393 | case CdlInit: |
39df67df | 1394 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 1395 | StopCdda(); |
1396 | StopReading(); | |
94c118c3 | 1397 | break; |
9f8b032d | 1398 | |
94c118c3 | 1399 | case CdlMute: |
1400 | cdr.Muted = TRUE; | |
9f8b032d | 1401 | // Duke Nukem - Time to Kill |
1402 | // - do not directly set cd-xa volume | |
1403 | //SPU_writeRegister( H_CDLeft, 0x0000 ); | |
1404 | //SPU_writeRegister( H_CDRight, 0x0000 ); | |
94c118c3 | 1405 | break; |
ef79bbde | 1406 | |
94c118c3 | 1407 | case CdlDemute: |
1408 | cdr.Muted = FALSE; | |
9f8b032d | 1409 | |
1410 | // Duke Nukem - Time to Kill | |
1411 | // - do not directly set cd-xa volume | |
1412 | //SPU_writeRegister( H_CDLeft, 0x7f00 ); | |
1413 | //SPU_writeRegister( H_CDRight, 0x7f00 ); | |
94c118c3 | 1414 | break; |
ef79bbde P |
1415 | |
1416 | case CdlSetfilter: | |
1417 | cdr.File = cdr.Param[0]; | |
1418 | cdr.Channel = cdr.Param[1]; | |
ef79bbde P |
1419 | break; |
1420 | ||
1421 | case CdlSetmode: | |
9f8b032d | 1422 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
8b380e97 | 1423 | |
ef79bbde | 1424 | cdr.Mode = cdr.Param[0]; |
9f8b032d | 1425 | |
1426 | // Squaresoft on PlayStation 1998 Collector's CD Vol. 1 | |
1427 | // - fixes choppy movie sound | |
1428 | if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 ) | |
1429 | StopCdda(); | |
ef79bbde P |
1430 | break; |
1431 | ||
ef79bbde | 1432 | case CdlGetTN: |
9f8b032d | 1433 | //AddIrqQueue(cdr.Cmd, 0x800); |
1434 | ||
1435 | // GameShark CDX CD Player: very long time | |
1436 | AddIrqQueue(cdr.Cmd, 0x100000); | |
1437 | break; | |
ef79bbde | 1438 | |
ef79bbde | 1439 | case CdlSeekL: |
ef79bbde | 1440 | case CdlSeekP: |
9f8b032d | 1441 | // Tomb Raider 2 - reset cdda |
1442 | StopCdda(); | |
1443 | StopReading(); | |
9f8b032d | 1444 | break; |
1445 | ||
ef79bbde | 1446 | case CdlReadS: |
9f8b032d | 1447 | StopReading(); |
94c118c3 | 1448 | cdr.Reading = 2; |
1449 | cdr.FirstSector = 1; | |
1450 | cdr.Readed = 0xff; | |
9f8b032d | 1451 | break; |
ef79bbde | 1452 | |
94c118c3 | 1453 | default: |
2daaaae3 | 1454 | cdr.ParamC = 0; |
8b380e97 | 1455 | CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd); |
9f8b032d | 1456 | return; |
1457 | } | |
ef79bbde P |
1458 | } |
1459 | ||
1460 | unsigned char cdrRead2(void) { | |
1461 | unsigned char ret; | |
1462 | ||
1463 | if (cdr.Readed == 0) { | |
1464 | ret = 0; | |
1465 | } else { | |
8e1040b6 | 1466 | ret = *pTransfer++; |
ef79bbde P |
1467 | } |
1468 | ||
8b380e97 | 1469 | CDR_LOG_IO("cdr r2: %02x\n", ret); |
ef79bbde P |
1470 | return ret; |
1471 | } | |
1472 | ||
1473 | void cdrWrite2(unsigned char rt) { | |
8b380e97 | 1474 | CDR_LOG_IO("cdr w2: %02x\n", rt); |
9f8b032d | 1475 | |
94c118c3 | 1476 | switch (cdr.Ctrl & 3) { |
1477 | case 0: | |
1478 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1479 | cdr.Param[cdr.ParamC++] = rt; | |
1480 | return; | |
1481 | case 1: | |
1482 | cdr.Reg2 = rt; | |
1483 | setIrq(); | |
1484 | return; | |
1485 | case 2: | |
056d6759 | 1486 | cdr.AttenuatorLeft[0] = rt; |
94c118c3 | 1487 | return; |
1488 | case 3: | |
1489 | cdr.AttenuatorRight[0] = rt; | |
1490 | return; | |
ef79bbde P |
1491 | } |
1492 | } | |
1493 | ||
1494 | unsigned char cdrRead3(void) { | |
94c118c3 | 1495 | if (cdr.Ctrl & 0x1) |
1496 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1497 | else | |
1498 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1499 | |
1500 | CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803)); | |
ef79bbde P |
1501 | return psxHu8(0x1803); |
1502 | } | |
1503 | ||
1504 | void cdrWrite3(unsigned char rt) { | |
8b380e97 | 1505 | CDR_LOG_IO("cdr w3: %02x\n", rt); |
056d6759 | 1506 | |
94c118c3 | 1507 | switch (cdr.Ctrl & 3) { |
1508 | case 0: | |
a34a2445 | 1509 | break; // transfer |
94c118c3 | 1510 | case 1: |
a34a2445 | 1511 | cdr.Stat &= ~rt; |
1512 | ||
1513 | if (rt & 0x40) | |
1514 | cdr.ParamC = 0; | |
1515 | return; | |
94c118c3 | 1516 | case 2: |
9f8b032d | 1517 | cdr.AttenuatorLeft[1] = rt; |
94c118c3 | 1518 | return; |
1519 | case 3: | |
1520 | if (rt == 0x20) | |
9f8b032d | 1521 | CDR_LOG( "CD-XA Volume: %X %X | %X %X\n", |
1522 | cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1], | |
1523 | cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] ); | |
94c118c3 | 1524 | return; |
9f8b032d | 1525 | } |
056d6759 | 1526 | |
94c118c3 | 1527 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1528 | cdr.Readed = 1; |
8e1040b6 | 1529 | pTransfer = cdr.Transfer; |
ef79bbde P |
1530 | |
1531 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1532 | case MODE_SIZE_2328: |
ef79bbde | 1533 | case 0x00: |
8e1040b6 | 1534 | pTransfer += 12; |
ef79bbde | 1535 | break; |
9f8b032d | 1536 | |
1537 | case MODE_SIZE_2340: | |
8e1040b6 | 1538 | pTransfer += 0; |
9f8b032d | 1539 | break; |
1540 | ||
ef79bbde P |
1541 | default: |
1542 | break; | |
1543 | } | |
1544 | } | |
1545 | } | |
1546 | ||
1547 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1548 | u32 cdsize; | |
c7071c43 | 1549 | int size; |
ef79bbde P |
1550 | u8 *ptr; |
1551 | ||
ef79bbde | 1552 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1553 | |
1554 | switch (chcr) { | |
1555 | case 0x11000000: | |
1556 | case 0x11400100: | |
1557 | if (cdr.Readed == 0) { | |
ef79bbde | 1558 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1559 | break; |
1560 | } | |
1561 | ||
1562 | cdsize = (bcr & 0xffff) * 4; | |
1563 | ||
9f8b032d | 1564 | // Ape Escape: bcr = 0001 / 0000 |
1565 | // - fix boot | |
1566 | if( cdsize == 0 ) | |
1567 | { | |
1568 | switch (cdr.Mode & 0x30) { | |
1569 | case 0x00: cdsize = 2048; break; | |
1570 | case MODE_SIZE_2328: cdsize = 2328; break; | |
1571 | case MODE_SIZE_2340: cdsize = 2340; break; | |
1572 | } | |
1573 | } | |
1574 | ||
1575 | ||
ef79bbde P |
1576 | ptr = (u8 *)PSXM(madr); |
1577 | if (ptr == NULL) { | |
ef79bbde | 1578 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1579 | break; |
1580 | } | |
9f8b032d | 1581 | |
1582 | /* | |
1583 | GS CDX: Enhancement CD crash | |
1584 | - Setloc 0:0:0 | |
1585 | - CdlPlay | |
1586 | - Spams DMA3 and gets buffer overrun | |
1587 | */ | |
8e1040b6 | 1588 | size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer); |
c7071c43 | 1589 | if (size > cdsize) |
1590 | size = cdsize; | |
1591 | if (size > 0) | |
9f8b032d | 1592 | { |
8e1040b6 | 1593 | memcpy(ptr, pTransfer, size); |
9f8b032d | 1594 | } |
1595 | ||
ef79bbde | 1596 | psxCpu->Clear(madr, cdsize / 4); |
8e1040b6 | 1597 | pTransfer += cdsize; |
9f8b032d | 1598 | |
1599 | ||
1600 | // burst vs normal | |
1601 | if( chcr == 0x11400100 ) { | |
1602 | CDRDMA_INT( (cdsize/4) / 4 ); | |
1603 | } | |
1604 | else if( chcr == 0x11000000 ) { | |
1605 | CDRDMA_INT( (cdsize/4) * 1 ); | |
1606 | } | |
1607 | return; | |
1608 | ||
ef79bbde | 1609 | default: |
ef79bbde | 1610 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1611 | break; |
1612 | } | |
1613 | ||
1614 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1615 | DMA_INTERRUPT(3); | |
1616 | } | |
1617 | ||
9f8b032d | 1618 | void cdrDmaInterrupt() |
1619 | { | |
ad418c19 | 1620 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1621 | { | |
1622 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1623 | DMA_INTERRUPT(3); | |
1624 | } | |
9f8b032d | 1625 | } |
1626 | ||
fffad32e | 1627 | static void getCdInfo(void) |
1628 | { | |
92ca1ba6 | 1629 | unsigned int i, j, sector; |
1630 | struct SubQ *subq; | |
1631 | u8 tmpp[3]; | |
fffad32e | 1632 | u8 tmp; |
1633 | ||
1634 | CDR_getTN(cdr.ResultTN); | |
1635 | CDR_getTD(0, cdr.SetSectorEnd); | |
1636 | tmp = cdr.SetSectorEnd[0]; | |
1637 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1638 | cdr.SetSectorEnd[2] = tmp; | |
92ca1ba6 | 1639 | |
1640 | subq_broken = 0; | |
1641 | subq = (struct SubQ *)CDR_getBufferSub(); | |
1642 | if (subq != NULL && cdr.ResultTN[1] >= 2) { | |
1643 | CDR_getTD(cdr.ResultTN[1], tmpp); | |
1644 | sector = fsm2sec(tmpp) - 33; | |
1645 | for (i = 0; i < 5; i++, sector += 2) { | |
1646 | sec2msf(sector, tmpp); | |
1647 | for (j = 0; j < 3; j++) | |
1648 | tmpp[j] = itob(tmpp[j]); | |
1649 | CDR_readTrack(tmpp); | |
1650 | subq = (struct SubQ *)CDR_getBufferSub(); | |
1651 | if (subq->IndexNumber == 0) | |
1652 | break; | |
1653 | } | |
1654 | if (i == 5) { | |
1655 | SysPrintf("cdrom: subchannel data looks broken, not using it\n"); | |
1656 | subq_broken = 1; | |
1657 | } | |
1658 | } | |
fffad32e | 1659 | } |
1660 | ||
ef79bbde P |
1661 | void cdrReset() { |
1662 | memset(&cdr, 0, sizeof(cdr)); | |
1663 | cdr.CurTrack = 1; | |
1664 | cdr.File = 1; | |
1665 | cdr.Channel = 1; | |
8e1040b6 | 1666 | pTransfer = cdr.Transfer; |
056d6759 | 1667 | |
1668 | // BIOS player - default values | |
1669 | cdr.AttenuatorLeft[0] = 0x80; | |
1670 | cdr.AttenuatorLeft[1] = 0x00; | |
94c118c3 | 1671 | cdr.AttenuatorRight[0] = 0x00; |
1672 | cdr.AttenuatorRight[1] = 0x80; | |
fffad32e | 1673 | |
1674 | getCdInfo(); | |
ef79bbde P |
1675 | } |
1676 | ||
496d88d4 | 1677 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1678 | u32 tmp; |
fffad32e | 1679 | u8 tmpp[3]; |
ef79bbde | 1680 | |
fffad32e | 1681 | if (Mode == 0 && !Config.Cdda) |
1682 | CDR_stop(); | |
9f8b032d | 1683 | |
c69642c8 | 1684 | cdr.freeze_ver = 0x63647201; |
9f8b032d | 1685 | gzfreeze(&cdr, sizeof(cdr)); |
1686 | ||
94c118c3 | 1687 | if (Mode == 1) { |
1688 | cdr.ParamP = cdr.ParamC; | |
8e1040b6 | 1689 | tmp = pTransfer - cdr.Transfer; |
94c118c3 | 1690 | } |
ef79bbde P |
1691 | |
1692 | gzfreeze(&tmp, sizeof(tmp)); | |
1693 | ||
42f3c512 | 1694 | if (Mode == 0) { |
fffad32e | 1695 | getCdInfo(); |
1696 | ||
8e1040b6 | 1697 | pTransfer = cdr.Transfer + tmp; |
ef79bbde | 1698 | |
fffad32e | 1699 | // read right sub data |
1700 | memcpy(tmpp, cdr.Prev, 3); | |
1701 | cdr.Prev[0]++; | |
92ca1ba6 | 1702 | ReadTrack(tmpp, 1); |
fffad32e | 1703 | |
1704 | if (cdr.Play) { | |
1705 | Find_CurTrack(cdr.SetSectorPlay); | |
1706 | if (!Config.Cdda) | |
1707 | CDR_play(cdr.SetSectorPlay); | |
1708 | } | |
c69642c8 | 1709 | |
1710 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1711 | // old versions did not latch Reg2, have to fixup.. | |
1712 | if (cdr.Reg2 == 0) { | |
1713 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1714 | cdr.Reg2 = 7; | |
1715 | } | |
1716 | } | |
42f3c512 | 1717 | } |
1718 | ||
ef79bbde P |
1719 | return 0; |
1720 | } | |
9f8b032d | 1721 | |
1722 | void LidInterrupt() { | |
1723 | cdr.LidCheck = 0x20; // start checker | |
1724 | ||
fffad32e | 1725 | getCdInfo(); |
1726 | ||
1727 | StopCdda(); | |
9f8b032d | 1728 | CDRLID_INT( cdReadTime * 3 ); |
a34a2445 | 1729 | |
9f8b032d | 1730 | // generate interrupt if none active - open or close |
1731 | if (cdr.Irq == 0 || cdr.Irq == 0xff) { | |
1732 | cdr.Ctrl |= 0x80; | |
1733 | cdr.Stat = NoIntr; | |
1734 | AddIrqQueue(CdlNop, 0x800); | |
1735 | } | |
1736 | } |