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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; |
ef79bbde P |
48 | |
49 | /* CD-ROM magic numbers */ | |
50 | #define CdlSync 0 | |
51 | #define CdlNop 1 | |
52 | #define CdlSetloc 2 | |
53 | #define CdlPlay 3 | |
54 | #define CdlForward 4 | |
55 | #define CdlBackward 5 | |
56 | #define CdlReadN 6 | |
57 | #define CdlStandby 7 | |
58 | #define CdlStop 8 | |
59 | #define CdlPause 9 | |
60 | #define CdlInit 10 | |
61 | #define CdlMute 11 | |
62 | #define CdlDemute 12 | |
63 | #define CdlSetfilter 13 | |
64 | #define CdlSetmode 14 | |
65 | #define CdlGetmode 15 | |
66 | #define CdlGetlocL 16 | |
67 | #define CdlGetlocP 17 | |
68 | #define CdlReadT 18 | |
69 | #define CdlGetTN 19 | |
70 | #define CdlGetTD 20 | |
71 | #define CdlSeekL 21 | |
72 | #define CdlSeekP 22 | |
73 | #define CdlSetclock 23 | |
74 | #define CdlGetclock 24 | |
75 | #define CdlTest 25 | |
76 | #define CdlID 26 | |
77 | #define CdlReadS 27 | |
78 | #define CdlReset 28 | |
79 | #define CdlReadToc 30 | |
80 | ||
ef79bbde P |
81 | char *CmdName[0x100]= { |
82 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", | |
83 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", | |
84 | "CdlStop", "CdlPause", "CdlInit", "CdlMute", | |
85 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode", | |
86 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", | |
87 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", | |
88 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", | |
89 | "CdlReset", NULL, "CDlReadToc", NULL | |
90 | }; | |
91 | ||
92 | unsigned char Test04[] = { 0 }; | |
93 | unsigned char Test05[] = { 0 }; | |
94 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; | |
95 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; | |
96 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; | |
97 | ||
9f8b032d | 98 | // cdr.Stat: |
99 | #define NoIntr 0 | |
100 | #define DataReady 1 | |
101 | #define Complete 2 | |
102 | #define Acknowledge 3 | |
103 | #define DataEnd 4 | |
104 | #define DiskError 5 | |
105 | ||
106 | /* Modes flags */ | |
107 | #define MODE_SPEED (1<<7) // 0x80 | |
108 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off | |
109 | #define MODE_SIZE_2340 (1<<5) // 0x20 | |
110 | #define MODE_SIZE_2328 (1<<4) // 0x10 | |
cd0c9f5b | 111 | #define MODE_SIZE_2048 (0<<4) // 0x00 |
9f8b032d | 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 | ||
ef79bbde P |
128 | // 1x = 75 sectors per second |
129 | // PSXCLK = 1 sec in the ps | |
130 | // so (PSXCLK / 75) = cdr read time (linuzappz) | |
131 | #define cdReadTime (PSXCLK / 75) | |
132 | ||
39df67df | 133 | // for cdr.Seeked |
134 | enum seeked_state { | |
135 | SEEK_PENDING = 0, | |
136 | SEEK_DONE = 1, | |
39df67df | 137 | }; |
138 | ||
ef79bbde | 139 | static struct CdrStat stat; |
ef79bbde | 140 | |
fffad32e | 141 | static unsigned int msf2sec(const u8 *msf) { |
9f8b032d | 142 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
143 | } | |
144 | ||
fffad32e | 145 | // for that weird psemu API.. |
146 | static unsigned int fsm2sec(const u8 *msf) { | |
147 | return ((msf[2] * 60 + msf[1]) * 75) + msf[0]; | |
148 | } | |
149 | ||
305c8c93 | 150 | static void sec2msf(unsigned int s, u8 *msf) { |
9f8b032d | 151 | msf[0] = s / 75 / 60; |
152 | s = s - msf[0] * 75 * 60; | |
153 | msf[1] = s / 75; | |
154 | s = s - msf[1] * 75; | |
155 | msf[2] = s; | |
156 | } | |
157 | ||
39df67df | 158 | // cdrInterrupt |
ef79bbde | 159 | #define CDR_INT(eCycle) { \ |
d28b54b1 | 160 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
161 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ | |
162 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ | |
163 | new_dyna_set_event(PSXINT_CDR, eCycle); \ | |
ae602c19 | 164 | } |
ef79bbde | 165 | |
39df67df | 166 | // cdrReadInterrupt |
ef79bbde | 167 | #define CDREAD_INT(eCycle) { \ |
d28b54b1 | 168 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
169 | psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \ | |
170 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ | |
171 | new_dyna_set_event(PSXINT_CDREAD, eCycle); \ | |
ae602c19 | 172 | } |
ef79bbde | 173 | |
39df67df | 174 | // cdrLidSeekInterrupt |
9f8b032d | 175 | #define CDRLID_INT(eCycle) { \ |
176 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ | |
177 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ | |
178 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ | |
179 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ | |
180 | } | |
181 | ||
39df67df | 182 | // cdrPlayInterrupt |
183 | #define CDRMISC_INT(eCycle) { \ | |
7f457614 | 184 | psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \ |
185 | psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \ | |
186 | psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \ | |
187 | new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \ | |
188 | } | |
189 | ||
ef79bbde P |
190 | #define StopReading() { \ |
191 | if (cdr.Reading) { \ | |
192 | cdr.Reading = 0; \ | |
d28b54b1 | 193 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ |
ef79bbde | 194 | } \ |
9f8b032d | 195 | cdr.StatP &= ~STATUS_READ;\ |
ef79bbde P |
196 | } |
197 | ||
198 | #define StopCdda() { \ | |
199 | if (cdr.Play) { \ | |
200 | if (!Config.Cdda) CDR_stop(); \ | |
9f8b032d | 201 | cdr.StatP &= ~STATUS_PLAY; \ |
ef79bbde | 202 | cdr.Play = FALSE; \ |
9f8b032d | 203 | cdr.FastForward = 0; \ |
204 | cdr.FastBackward = 0; \ | |
205 | /*SPU_registerCallback( SPUirq );*/ \ | |
ef79bbde P |
206 | } \ |
207 | } | |
208 | ||
209 | #define SetResultSize(size) { \ | |
94c118c3 | 210 | cdr.ResultP = 0; \ |
ef79bbde P |
211 | cdr.ResultC = size; \ |
212 | cdr.ResultReady = 1; \ | |
213 | } | |
214 | ||
94c118c3 | 215 | static void setIrq(void) |
216 | { | |
217 | if (cdr.Stat & cdr.Reg2) | |
218 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); | |
219 | } | |
9f8b032d | 220 | |
221 | void cdrLidSeekInterrupt() | |
222 | { | |
223 | // turn back on checking | |
224 | if( cdr.LidCheck == 0x10 ) | |
225 | { | |
226 | cdr.LidCheck = 0; | |
227 | } | |
228 | ||
229 | // official lid close | |
230 | else if( cdr.LidCheck == 0x30 ) | |
231 | { | |
232 | // GS CDX 3.3: $13 | |
233 | cdr.StatP |= STATUS_ROTATING; | |
234 | ||
235 | ||
236 | // GS CDX 3.3 - ~50 getlocp tries | |
237 | CDRLID_INT( cdReadTime * 3 ); | |
238 | cdr.LidCheck = 0x40; | |
239 | } | |
240 | ||
241 | // turn off ready | |
242 | else if( cdr.LidCheck == 0x40 ) | |
243 | { | |
244 | // GS CDX 3.3: $01 | |
245 | cdr.StatP &= ~STATUS_SHELLOPEN; | |
246 | cdr.StatP &= ~STATUS_ROTATING; | |
247 | ||
248 | ||
249 | // GS CDX 3.3 - ~50 getlocp tries | |
250 | CDRLID_INT( cdReadTime * 3 ); | |
251 | cdr.LidCheck = 0x50; | |
252 | } | |
253 | ||
254 | // now seek | |
255 | else if( cdr.LidCheck == 0x50 ) | |
256 | { | |
257 | // GameShark Lite: Start seeking ($42) | |
258 | cdr.StatP |= STATUS_SEEK; | |
259 | cdr.StatP |= STATUS_ROTATING; | |
260 | cdr.StatP &= ~STATUS_ERROR; | |
261 | ||
262 | ||
263 | CDRLID_INT( cdReadTime * 3 ); | |
264 | cdr.LidCheck = 0x60; | |
265 | } | |
266 | ||
267 | // done = cd ready | |
268 | else if( cdr.LidCheck == 0x60 ) | |
269 | { | |
270 | // GameShark Lite: Seek detection done ($02) | |
271 | cdr.StatP &= ~STATUS_SEEK; | |
272 | ||
273 | cdr.LidCheck = 0; | |
274 | } | |
275 | } | |
276 | ||
9f8b032d | 277 | static void Check_Shell( int Irq ) |
278 | { | |
279 | // check case open/close | |
280 | if (cdr.LidCheck > 0) | |
281 | { | |
9f8b032d | 282 | CDR_LOG( "LidCheck\n" ); |
9f8b032d | 283 | |
284 | // $20 = check lid state | |
285 | if( cdr.LidCheck == 0x20 ) | |
286 | { | |
287 | u32 i; | |
288 | ||
289 | i = stat.Status; | |
290 | if (CDR_getStatus(&stat) != -1) | |
291 | { | |
aa1f7284 | 292 | // BIOS hangs + BIOS error messages |
293 | //if (stat.Type == 0xff) | |
294 | //cdr.Stat = DiskError; | |
9f8b032d | 295 | |
296 | // case now open | |
aa1f7284 | 297 | if (stat.Status & STATUS_SHELLOPEN) |
9f8b032d | 298 | { |
299 | // Vib Ribbon: pre-CD swap | |
300 | StopCdda(); | |
6320e9bf | 301 | StopReading(); |
9f8b032d | 302 | |
303 | ||
304 | // GameShark Lite: Death if DiskError happens | |
305 | // | |
306 | // Vib Ribbon: Needs DiskError for CD swap | |
307 | ||
6320e9bf | 308 | //if (Irq != CdlNop) |
9f8b032d | 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 | ||
73b29eeb | 398 | static void generate_subq(const u8 *time) |
399 | { | |
400 | unsigned char start[3], next[3]; | |
401 | unsigned int this_s, start_s, next_s, pregap; | |
402 | int relative_s; | |
403 | ||
404 | CDR_getTD(cdr.CurTrack, start); | |
405 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
406 | pregap = 150; | |
407 | CDR_getTD(cdr.CurTrack + 1, next); | |
408 | } | |
409 | else { | |
410 | // last track - cd size | |
411 | pregap = 0; | |
412 | next[0] = cdr.SetSectorEnd[2]; | |
413 | next[1] = cdr.SetSectorEnd[1]; | |
414 | next[2] = cdr.SetSectorEnd[0]; | |
415 | } | |
416 | ||
417 | this_s = msf2sec(time); | |
418 | start_s = fsm2sec(start); | |
419 | next_s = fsm2sec(next); | |
420 | ||
421 | cdr.TrackChanged = FALSE; | |
422 | ||
423 | if (next_s - this_s < pregap) { | |
424 | cdr.TrackChanged = TRUE; | |
425 | cdr.CurTrack++; | |
426 | start_s = next_s; | |
427 | } | |
428 | ||
429 | cdr.subq.Index = 1; | |
430 | ||
431 | relative_s = this_s - start_s; | |
432 | if (relative_s < 0) { | |
433 | cdr.subq.Index = 0; | |
434 | relative_s = -relative_s; | |
435 | } | |
436 | sec2msf(relative_s, cdr.subq.Relative); | |
437 | ||
438 | cdr.subq.Track = itob(cdr.CurTrack); | |
439 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
440 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
441 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
442 | cdr.subq.Absolute[0] = itob(time[0]); | |
443 | cdr.subq.Absolute[1] = itob(time[1]); | |
444 | cdr.subq.Absolute[2] = itob(time[2]); | |
445 | } | |
446 | ||
447 | static void ReadTrack(const u8 *time) { | |
fffad32e | 448 | unsigned char tmp[3]; |
449 | struct SubQ *subq; | |
450 | u16 crc; | |
ef79bbde | 451 | |
fffad32e | 452 | tmp[0] = itob(time[0]); |
453 | tmp[1] = itob(time[1]); | |
454 | tmp[2] = itob(time[2]); | |
ef79bbde | 455 | |
fffad32e | 456 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
457 | return; | |
39df67df | 458 | |
fffad32e | 459 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 460 | |
fffad32e | 461 | cdr.RErr = CDR_readTrack(tmp); |
462 | memcpy(cdr.Prev, tmp, 3); | |
9f8b032d | 463 | |
fffad32e | 464 | if (CheckSBI(time)) |
465 | return; | |
9f8b032d | 466 | |
fffad32e | 467 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 468 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 469 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 470 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 471 | cdr.subq.Track = subq->TrackNumber; |
472 | cdr.subq.Index = subq->IndexNumber; | |
473 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
474 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 475 | } |
92ca1ba6 | 476 | else { |
73b29eeb | 477 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 478 | tmp[0], tmp[1], tmp[2]); |
479 | } | |
9f8b032d | 480 | } |
fffad32e | 481 | else { |
73b29eeb | 482 | generate_subq(time); |
9f8b032d | 483 | } |
9f8b032d | 484 | |
fffad32e | 485 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
486 | cdr.subq.Track, cdr.subq.Index, | |
487 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
488 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
489 | } | |
9f8b032d | 490 | |
fffad32e | 491 | static void AddIrqQueue(unsigned char irq, unsigned long ecycle) { |
492 | if (cdr.Irq != 0) | |
493 | CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq); | |
9f8b032d | 494 | |
fffad32e | 495 | cdr.Irq = irq; |
496 | cdr.eCycle = ecycle; | |
9f8b032d | 497 | |
fffad32e | 498 | CDR_INT(ecycle); |
ef79bbde P |
499 | } |
500 | ||
7f457614 | 501 | static void cdrPlayInterrupt_Autopause() |
502 | { | |
fffad32e | 503 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 504 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 505 | |
506 | // Magic the Gathering | |
507 | // - looping territory cdda | |
508 | ||
509 | // ...? | |
510 | //cdr.ResultReady = 1; | |
511 | //cdr.Stat = DataReady; | |
512 | cdr.Stat = DataEnd; | |
94c118c3 | 513 | setIrq(); |
7f457614 | 514 | |
515 | StopCdda(); | |
516 | } | |
a02ee86f | 517 | else if (cdr.Mode & MODE_REPORT) { |
7f457614 | 518 | |
fffad32e | 519 | cdr.Result[0] = cdr.StatP; |
520 | cdr.Result[1] = cdr.subq.Track; | |
521 | cdr.Result[2] = cdr.subq.Index; | |
9b470ab7 | 522 | |
fffad32e | 523 | if (cdr.subq.Absolute[2] & 0x10) { |
524 | cdr.Result[3] = cdr.subq.Relative[0]; | |
525 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
526 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 527 | } |
fffad32e | 528 | else { |
529 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
530 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
531 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
532 | } | |
533 | ||
534 | cdr.Result[6] = 0; | |
535 | cdr.Result[7] = 0; | |
7f457614 | 536 | |
537 | // Rayman: Logo freeze (resultready + dataready) | |
538 | cdr.ResultReady = 1; | |
539 | cdr.Stat = DataReady; | |
540 | ||
541 | SetResultSize(8); | |
94c118c3 | 542 | setIrq(); |
7f457614 | 543 | } |
544 | } | |
545 | ||
39df67df | 546 | // also handles seek |
7f457614 | 547 | void cdrPlayInterrupt() |
548 | { | |
892bd7d4 | 549 | if (cdr.Seeked == SEEK_PENDING) { |
e7e33ef2 | 550 | if (cdr.Stat) { |
8b380e97 | 551 | CDR_LOG_I("cdrom: seek stat hack\n"); |
e7e33ef2 | 552 | CDRMISC_INT(0x1000); |
553 | return; | |
554 | } | |
39df67df | 555 | SetResultSize(1); |
556 | cdr.StatP |= STATUS_ROTATING; | |
557 | cdr.StatP &= ~STATUS_SEEK; | |
558 | cdr.Result[0] = cdr.StatP; | |
892bd7d4 | 559 | cdr.Seeked = SEEK_DONE; |
a34a2445 | 560 | if (cdr.Irq == 0) { |
39df67df | 561 | cdr.Stat = Complete; |
94c118c3 | 562 | setIrq(); |
39df67df | 563 | } |
564 | ||
892bd7d4 | 565 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); |
fffad32e | 566 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 567 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 568 | cdr.TrackChanged = FALSE; |
39df67df | 569 | } |
570 | ||
571 | if (!cdr.Play) return; | |
7f457614 | 572 | |
7f457614 | 573 | CDR_LOG( "CDDA - %d:%d:%d\n", |
574 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 575 | |
fffad32e | 576 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
577 | StopCdda(); | |
578 | cdr.TrackChanged = TRUE; | |
579 | } | |
7f457614 | 580 | |
892bd7d4 | 581 | if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 582 | cdrPlayInterrupt_Autopause(); |
583 | ||
fffad32e | 584 | if (!cdr.Play) return; |
585 | ||
7f457614 | 586 | cdr.SetSectorPlay[2]++; |
587 | if (cdr.SetSectorPlay[2] == 75) { | |
588 | cdr.SetSectorPlay[2] = 0; | |
589 | cdr.SetSectorPlay[1]++; | |
590 | if (cdr.SetSectorPlay[1] == 60) { | |
591 | cdr.SetSectorPlay[1] = 0; | |
592 | cdr.SetSectorPlay[0]++; | |
593 | } | |
594 | } | |
595 | ||
fffad32e | 596 | CDRMISC_INT(cdReadTime); |
597 | ||
598 | // update for CdlGetlocP/autopause | |
73b29eeb | 599 | generate_subq(cdr.SetSectorPlay); |
7f457614 | 600 | } |
601 | ||
ef79bbde P |
602 | void cdrInterrupt() { |
603 | int i; | |
604 | unsigned char Irq = cdr.Irq; | |
605 | ||
9f8b032d | 606 | // Reschedule IRQ |
ef79bbde | 607 | if (cdr.Stat) { |
8b380e97 | 608 | CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 609 | CDR_INT(0x1000); |
ef79bbde P |
610 | return; |
611 | } | |
612 | ||
a34a2445 | 613 | cdr.Irq = 0; |
ef79bbde P |
614 | cdr.Ctrl &= ~0x80; |
615 | ||
616 | switch (Irq) { | |
617 | case CdlSync: | |
618 | SetResultSize(1); | |
9f8b032d | 619 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde | 620 | cdr.Result[0] = cdr.StatP; |
cd0c9f5b | 621 | cdr.Stat = Acknowledge; |
ef79bbde P |
622 | break; |
623 | ||
624 | case CdlNop: | |
625 | SetResultSize(1); | |
626 | cdr.Result[0] = cdr.StatP; | |
627 | cdr.Stat = Acknowledge; | |
9f8b032d | 628 | |
629 | if (cdr.LidCheck == 0) cdr.LidCheck = 0x20; | |
ef79bbde P |
630 | break; |
631 | ||
632 | case CdlSetloc: | |
633 | cdr.CmdProcess = 0; | |
634 | SetResultSize(1); | |
9f8b032d | 635 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
636 | cdr.Result[0] = cdr.StatP; |
637 | cdr.Stat = Acknowledge; | |
638 | break; | |
639 | ||
640 | case CdlPlay: | |
39df67df | 641 | if (cdr.Seeked == SEEK_PENDING) { |
642 | // XXX: wrong, should seek instead.. | |
9f8b032d | 643 | memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 ); |
39df67df | 644 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 645 | } |
646 | ||
2d5ca6c0 | 647 | // BIOS CD Player |
648 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
649 | ||
650 | if (cdr.ParamC == 0 || cdr.Param[0] == 0) { | |
651 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
652 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
653 | } | |
654 | else | |
655 | { | |
656 | int track = btoi( cdr.Param[0] ); | |
657 | ||
658 | if (track <= cdr.ResultTN[1]) | |
659 | cdr.CurTrack = track; | |
660 | ||
661 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
662 | ||
663 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
664 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
665 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
666 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
667 | } | |
668 | } | |
669 | ||
9f8b032d | 670 | /* |
671 | Rayman: detect track changes | |
672 | - fixes logo freeze | |
673 | ||
674 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
675 | - plays tracks without retry play | |
676 | ||
677 | Wild 9: skip PREGAP + starting accurate SubQ | |
678 | - plays tracks without retry play | |
679 | */ | |
fffad32e | 680 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 681 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 682 | cdr.TrackChanged = FALSE; |
9f8b032d | 683 | |
2d5ca6c0 | 684 | if (!Config.Cdda) |
685 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 686 | |
687 | // Vib Ribbon: gameplay checks flag | |
688 | cdr.StatP &= ~STATUS_SEEK; | |
689 | ||
ef79bbde P |
690 | cdr.CmdProcess = 0; |
691 | SetResultSize(1); | |
9f8b032d | 692 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
693 | cdr.Result[0] = cdr.StatP; |
694 | cdr.Stat = Acknowledge; | |
9f8b032d | 695 | |
696 | cdr.StatP |= STATUS_PLAY; | |
697 | ||
698 | ||
699 | // BIOS player - set flag again | |
700 | cdr.Play = TRUE; | |
701 | ||
39df67df | 702 | CDRMISC_INT( cdReadTime ); |
ef79bbde P |
703 | break; |
704 | ||
9f8b032d | 705 | case CdlForward: |
ef79bbde P |
706 | cdr.CmdProcess = 0; |
707 | SetResultSize(1); | |
9f8b032d | 708 | cdr.StatP |= STATUS_ROTATING; |
709 | cdr.Result[0] = cdr.StatP; | |
710 | cdr.Stat = Complete; | |
711 | ||
712 | ||
713 | // GameShark CD Player: Calls 2x + Play 2x | |
714 | if( cdr.FastForward == 0 ) cdr.FastForward = 2; | |
715 | else cdr.FastForward++; | |
716 | ||
717 | cdr.FastBackward = 0; | |
ef79bbde P |
718 | break; |
719 | ||
9f8b032d | 720 | case CdlBackward: |
ef79bbde P |
721 | cdr.CmdProcess = 0; |
722 | SetResultSize(1); | |
9f8b032d | 723 | cdr.StatP |= STATUS_ROTATING; |
724 | cdr.Result[0] = cdr.StatP; | |
725 | cdr.Stat = Complete; | |
726 | ||
727 | ||
728 | // GameShark CD Player: Calls 2x + Play 2x | |
729 | if( cdr.FastBackward == 0 ) cdr.FastBackward = 2; | |
730 | else cdr.FastBackward++; | |
731 | ||
732 | cdr.FastForward = 0; | |
ef79bbde P |
733 | break; |
734 | ||
9f8b032d | 735 | case CdlStandby: |
ef79bbde P |
736 | cdr.CmdProcess = 0; |
737 | SetResultSize(1); | |
9f8b032d | 738 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
739 | cdr.Result[0] = cdr.StatP; |
740 | cdr.Stat = Complete; | |
741 | break; | |
742 | ||
743 | case CdlStop: | |
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 | // cdr.Stat = Acknowledge; | |
750 | ||
9f8b032d | 751 | if (cdr.LidCheck == 0) cdr.LidCheck = 0x20; |
ef79bbde P |
752 | break; |
753 | ||
754 | case CdlPause: | |
755 | SetResultSize(1); | |
756 | cdr.Result[0] = cdr.StatP; | |
9f8b032d | 757 | cdr.Stat = Acknowledge; |
758 | ||
12228917 | 759 | /* |
760 | Gundam Battle Assault 2: much slower (*) | |
761 | - Fixes boot, gameplay | |
762 | ||
763 | Hokuto no Ken 2: slower | |
764 | - Fixes intro + subtitles | |
765 | ||
766 | InuYasha - Feudal Fairy Tale: slower | |
767 | - Fixes battles | |
768 | */ | |
769 | AddIrqQueue(CdlPause + 0x20, cdReadTime * 3); | |
ef79bbde P |
770 | cdr.Ctrl |= 0x80; |
771 | break; | |
772 | ||
773 | case CdlPause + 0x20: | |
774 | SetResultSize(1); | |
9f8b032d | 775 | cdr.StatP &= ~STATUS_READ; |
776 | cdr.StatP |= STATUS_ROTATING; | |
ef79bbde | 777 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 778 | cdr.Stat = Complete; |
ef79bbde P |
779 | break; |
780 | ||
9f8b032d | 781 | case CdlInit: |
ef79bbde | 782 | SetResultSize(1); |
9f8b032d | 783 | cdr.StatP = STATUS_ROTATING; |
ef79bbde | 784 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 785 | cdr.Stat = Acknowledge; |
ef79bbde | 786 | // if (!cdr.Init) { |
9f8b032d | 787 | AddIrqQueue(CdlInit + 0x20, 0x800); |
ef79bbde P |
788 | // } |
789 | break; | |
790 | ||
791 | case CdlInit + 0x20: | |
792 | SetResultSize(1); | |
793 | cdr.Result[0] = cdr.StatP; | |
9f8b032d | 794 | cdr.Stat = Complete; |
ef79bbde P |
795 | cdr.Init = 1; |
796 | break; | |
797 | ||
9f8b032d | 798 | case CdlMute: |
ef79bbde | 799 | SetResultSize(1); |
9f8b032d | 800 | cdr.StatP |= STATUS_ROTATING; |
801 | cdr.Result[0] = cdr.StatP; | |
802 | cdr.Stat = Acknowledge; | |
ef79bbde P |
803 | break; |
804 | ||
9f8b032d | 805 | case CdlDemute: |
ef79bbde | 806 | SetResultSize(1); |
9f8b032d | 807 | cdr.StatP |= STATUS_ROTATING; |
808 | cdr.Result[0] = cdr.StatP; | |
809 | cdr.Stat = Acknowledge; | |
ef79bbde P |
810 | break; |
811 | ||
9f8b032d | 812 | case CdlSetfilter: |
ef79bbde | 813 | SetResultSize(1); |
9f8b032d | 814 | cdr.StatP |= STATUS_ROTATING; |
815 | cdr.Result[0] = cdr.StatP; | |
816 | cdr.Stat = Acknowledge; | |
817 | break; | |
ef79bbde P |
818 | |
819 | case CdlSetmode: | |
820 | SetResultSize(1); | |
9f8b032d | 821 | cdr.StatP |= STATUS_ROTATING; |
822 | cdr.Result[0] = cdr.StatP; | |
823 | cdr.Stat = Acknowledge; | |
824 | break; | |
ef79bbde | 825 | |
9f8b032d | 826 | case CdlGetmode: |
ef79bbde | 827 | SetResultSize(6); |
9f8b032d | 828 | cdr.StatP |= STATUS_ROTATING; |
829 | cdr.Result[0] = cdr.StatP; | |
830 | cdr.Result[1] = cdr.Mode; | |
831 | cdr.Result[2] = cdr.File; | |
832 | cdr.Result[3] = cdr.Channel; | |
833 | cdr.Result[4] = 0; | |
834 | cdr.Result[5] = 0; | |
835 | cdr.Stat = Acknowledge; | |
836 | break; | |
ef79bbde | 837 | |
9f8b032d | 838 | case CdlGetlocL: |
ef79bbde | 839 | SetResultSize(8); |
9f8b032d | 840 | for (i = 0; i < 8; i++) |
ef79bbde | 841 | cdr.Result[i] = cdr.Transfer[i]; |
9f8b032d | 842 | cdr.Stat = Acknowledge; |
843 | break; | |
ef79bbde P |
844 | |
845 | case CdlGetlocP: | |
fffad32e | 846 | SetResultSize(8); |
847 | memcpy(&cdr.Result, &cdr.subq, 8); | |
ef79bbde | 848 | |
892bd7d4 | 849 | if (!cdr.Play && !cdr.Reading) |
850 | cdr.Result[1] = 0; // HACK? | |
851 | ||
ef79bbde P |
852 | cdr.Stat = Acknowledge; |
853 | break; | |
854 | ||
9f8b032d | 855 | case CdlGetTN: |
ef79bbde P |
856 | cdr.CmdProcess = 0; |
857 | SetResultSize(3); | |
9f8b032d | 858 | cdr.StatP |= STATUS_ROTATING; |
859 | cdr.Result[0] = cdr.StatP; | |
860 | if (CDR_getTN(cdr.ResultTN) == -1) { | |
ef79bbde | 861 | cdr.Stat = DiskError; |
9f8b032d | 862 | cdr.Result[0] |= STATUS_ERROR; |
863 | } else { | |
864 | cdr.Stat = Acknowledge; | |
865 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
866 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
867 | } | |
868 | break; | |
ef79bbde | 869 | |
9f8b032d | 870 | case CdlGetTD: |
ef79bbde P |
871 | cdr.CmdProcess = 0; |
872 | cdr.Track = btoi(cdr.Param[0]); | |
873 | SetResultSize(4); | |
9f8b032d | 874 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
875 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
876 | cdr.Stat = DiskError; | |
9f8b032d | 877 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
878 | } else { |
879 | cdr.Stat = Acknowledge; | |
880 | cdr.Result[0] = cdr.StatP; | |
881 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
882 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
883 | cdr.Result[3] = itob(cdr.ResultTD[0]); | |
884 | } | |
885 | break; | |
886 | ||
9f8b032d | 887 | case CdlSeekL: |
39df67df | 888 | case CdlSeekP: |
ef79bbde | 889 | SetResultSize(1); |
9f8b032d | 890 | cdr.StatP |= STATUS_ROTATING; |
891 | cdr.Result[0] = cdr.StatP; | |
892 | cdr.StatP |= STATUS_SEEK; | |
893 | cdr.Stat = Acknowledge; | |
894 | ||
895 | /* | |
896 | Crusaders of Might and Magic = 0.5x-4x | |
897 | - fix cutscene speech start | |
898 | ||
899 | Eggs of Steel = 2x-? | |
900 | - fix new game | |
901 | ||
902 | Medievil = ?-4x | |
903 | - fix cutscene speech | |
904 | ||
905 | Rockman X5 = 0.5-4x | |
906 | - fix capcom logo | |
907 | */ | |
39df67df | 908 | CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4); |
892bd7d4 | 909 | cdr.Seeked = SEEK_PENDING; |
ef79bbde P |
910 | break; |
911 | ||
912 | case CdlTest: | |
9f8b032d | 913 | cdr.Stat = Acknowledge; |
914 | switch (cdr.Param[0]) { | |
915 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
916 | SetResultSize(4); |
917 | memcpy(cdr.Result, Test20, 4); | |
918 | break; | |
919 | case 0x22: | |
920 | SetResultSize(8); | |
921 | memcpy(cdr.Result, Test22, 4); | |
922 | break; | |
923 | case 0x23: case 0x24: | |
924 | SetResultSize(8); | |
925 | memcpy(cdr.Result, Test23, 4); | |
926 | break; | |
9f8b032d | 927 | } |
ef79bbde P |
928 | break; |
929 | ||
9f8b032d | 930 | case CdlID: |
ef79bbde | 931 | SetResultSize(1); |
9f8b032d | 932 | cdr.StatP |= STATUS_ROTATING; |
933 | cdr.Result[0] = cdr.StatP; | |
934 | cdr.Stat = Acknowledge; | |
935 | AddIrqQueue(CdlID + 0x20, 0x800); | |
ef79bbde P |
936 | break; |
937 | ||
938 | case CdlID + 0x20: | |
939 | SetResultSize(8); | |
89ec56af | 940 | cdr.Result[0] = cdr.StatP; |
941 | cdr.Result[1] = 0; | |
942 | cdr.Result[2] = 0; | |
943 | cdr.Result[3] = 0; | |
9f8b032d | 944 | |
d8432250 | 945 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
946 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
947 | cdr.Result[1] = 0xc0; | |
9f8b032d | 948 | } |
949 | else { | |
89ec56af | 950 | if (stat.Type == 2) |
951 | cdr.Result[1] |= 0x10; | |
952 | if (CdromId[0] == '\0') | |
9f8b032d | 953 | cdr.Result[1] |= 0x80; |
9f8b032d | 954 | } |
89ec56af | 955 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 956 | |
ef79bbde P |
957 | strncpy((char *)&cdr.Result[4], "PCSX", 4); |
958 | cdr.Stat = Complete; | |
959 | break; | |
960 | ||
961 | case CdlReset: | |
962 | SetResultSize(1); | |
9f8b032d | 963 | cdr.StatP = STATUS_ROTATING; |
ef79bbde | 964 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 965 | cdr.Stat = Acknowledge; |
ef79bbde P |
966 | break; |
967 | ||
9f8b032d | 968 | case CdlReadT: |
969 | SetResultSize(1); | |
970 | cdr.StatP |= STATUS_ROTATING; | |
971 | cdr.Result[0] = cdr.StatP; | |
972 | cdr.Stat = Acknowledge; | |
973 | AddIrqQueue(CdlReadT + 0x20, 0x800); | |
974 | break; | |
975 | ||
976 | case CdlReadT + 0x20: | |
977 | SetResultSize(1); | |
978 | cdr.StatP |= STATUS_ROTATING; | |
979 | cdr.Result[0] = cdr.StatP; | |
980 | cdr.Stat = Complete; | |
981 | break; | |
982 | ||
983 | case CdlReadToc: | |
ef79bbde | 984 | SetResultSize(1); |
9f8b032d | 985 | cdr.StatP |= STATUS_ROTATING; |
986 | cdr.Result[0] = cdr.StatP; | |
987 | cdr.Stat = Acknowledge; | |
89ec56af | 988 | AddIrqQueue(CdlReadToc + 0x20, cdReadTime * 16); |
ef79bbde P |
989 | break; |
990 | ||
9f8b032d | 991 | case CdlReadToc + 0x20: |
ef79bbde | 992 | SetResultSize(1); |
9f8b032d | 993 | cdr.StatP |= STATUS_ROTATING; |
994 | cdr.Result[0] = cdr.StatP; | |
995 | cdr.Stat = Complete; | |
ef79bbde P |
996 | break; |
997 | ||
94c118c3 | 998 | case CdlReadN: |
999 | case CdlReadS: | |
ef79bbde P |
1000 | if (!cdr.Reading) return; |
1001 | ||
9f8b032d | 1002 | // Fighting Force 2 - update subq time immediately |
1003 | // - fixes new game | |
73b29eeb | 1004 | Find_CurTrack(cdr.SetSector); |
1005 | ReadTrack(cdr.SetSector); | |
9f8b032d | 1006 | |
1007 | ||
1008 | // Crusaders of Might and Magic - update getlocl now | |
1009 | // - fixes cutscene speech | |
1010 | { | |
1011 | u8 *buf = CDR_getBuffer(); | |
a48ae3a7 | 1012 | if (buf != NULL) |
1013 | memcpy(cdr.Transfer, buf, 8); | |
9f8b032d | 1014 | } |
39df67df | 1015 | |
9f8b032d | 1016 | /* |
1017 | Duke Nukem: Land of the Babes - seek then delay read for one frame | |
1018 | - fixes cutscenes | |
914722b2 | 1019 | C-12 - Final Resistance - doesn't like seek |
9f8b032d | 1020 | */ |
1021 | ||
39df67df | 1022 | if (cdr.Seeked != SEEK_DONE) { |
9f8b032d | 1023 | cdr.StatP |= STATUS_SEEK; |
1024 | cdr.StatP &= ~STATUS_READ; | |
1025 | ||
1026 | // Crusaders of Might and Magic - use short time | |
1027 | // - fix cutscene speech (startup) | |
1028 | ||
1029 | // ??? - use more accurate seek time later | |
1030 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
1031 | } else { | |
1032 | cdr.StatP |= STATUS_READ; | |
1033 | cdr.StatP &= ~STATUS_SEEK; | |
1034 | ||
1035 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
1036 | } | |
ef79bbde | 1037 | |
ef79bbde | 1038 | SetResultSize(1); |
9f8b032d | 1039 | cdr.StatP |= STATUS_ROTATING; |
1040 | cdr.Result[0] = cdr.StatP; | |
1041 | cdr.Stat = Acknowledge; | |
ef79bbde P |
1042 | break; |
1043 | ||
ef79bbde P |
1044 | default: |
1045 | cdr.Stat = Complete; | |
1046 | break; | |
1047 | } | |
1048 | ||
9f8b032d | 1049 | Check_Shell( Irq ); |
1050 | ||
2daaaae3 | 1051 | cdr.ParamC = 0; |
1052 | ||
94c118c3 | 1053 | setIrq(); |
ef79bbde | 1054 | |
8b380e97 | 1055 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1056 | SysPrintf("IRQ %d cmd %02x stat %02x: ", |
1057 | !!(cdr.Stat & cdr.Reg2), Irq, cdr.Stat); | |
39df67df | 1058 | for (i = 0; i < cdr.ResultC; i++) |
8b380e97 | 1059 | SysPrintf("%02x ", cdr.Result[i]); |
1060 | SysPrintf("\n"); | |
ef79bbde P |
1061 | #endif |
1062 | } | |
1063 | ||
53598a71 | 1064 | #ifdef __ARM_ARCH_7A__ |
1065 | #define ssat32_to_16(v) \ | |
1066 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1067 | #else | |
1068 | #define ssat32_to_16(v) do { \ | |
1069 | if (v < -32768) v = -32768; \ | |
1070 | else if (v > 32767) v = 32767; \ | |
1071 | } while (0) | |
1072 | #endif | |
1073 | ||
1074 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1075 | { | |
1076 | int i, l, r; | |
1077 | int ll = cdr.AttenuatorLeftToLeft; | |
1078 | int lr = cdr.AttenuatorLeftToRight; | |
1079 | int rl = cdr.AttenuatorRightToLeft; | |
1080 | int rr = cdr.AttenuatorRightToRight; | |
1081 | ||
1082 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1083 | return; | |
1084 | ||
1085 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1086 | return; | |
1087 | ||
1088 | if (stereo) { | |
1089 | for (i = 0; i < samples; i++) { | |
1090 | l = buf[i * 2]; | |
1091 | r = buf[i * 2 + 1]; | |
1092 | l = (l * ll + r * rl) >> 7; | |
1093 | r = (r * rr + l * lr) >> 7; | |
1094 | ssat32_to_16(l); | |
1095 | ssat32_to_16(r); | |
1096 | buf[i * 2] = l; | |
1097 | buf[i * 2 + 1] = r; | |
1098 | } | |
1099 | } | |
1100 | else { | |
1101 | for (i = 0; i < samples; i++) { | |
1102 | l = buf[i]; | |
1103 | l = l * (ll + rl) >> 7; | |
1104 | //r = r * (rr + lr) >> 7; | |
1105 | ssat32_to_16(l); | |
1106 | //ssat32_to_16(r); | |
1107 | buf[i] = l; | |
1108 | } | |
1109 | } | |
1110 | } | |
1111 | ||
ef79bbde P |
1112 | void cdrReadInterrupt() { |
1113 | u8 *buf; | |
1114 | ||
1115 | if (!cdr.Reading) | |
1116 | return; | |
1117 | ||
9f8b032d | 1118 | if (cdr.Irq || cdr.Stat) { |
8b380e97 | 1119 | CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 1120 | CDREAD_INT(0x1000); |
ef79bbde P |
1121 | return; |
1122 | } | |
1123 | ||
9f8b032d | 1124 | cdr.OCUP = 1; |
ef79bbde | 1125 | SetResultSize(1); |
9f8b032d | 1126 | cdr.StatP |= STATUS_READ|STATUS_ROTATING; |
1127 | cdr.StatP &= ~STATUS_SEEK; | |
1128 | cdr.Result[0] = cdr.StatP; | |
39df67df | 1129 | cdr.Seeked = SEEK_DONE; |
ef79bbde | 1130 | |
73b29eeb | 1131 | ReadTrack(cdr.SetSector); |
ef79bbde P |
1132 | |
1133 | buf = CDR_getBuffer(); | |
1134 | if (buf == NULL) | |
1135 | cdr.RErr = -1; | |
1136 | ||
1137 | if (cdr.RErr == -1) { | |
8b380e97 | 1138 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde P |
1139 | memset(cdr.Transfer, 0, DATA_SIZE); |
1140 | cdr.Stat = DiskError; | |
9f8b032d | 1141 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1142 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
1143 | return; | |
1144 | } | |
1145 | ||
1146 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1147 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1148 | ||
ef79bbde | 1149 | |
8b380e97 | 1150 | CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
ef79bbde | 1151 | |
9f8b032d | 1152 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
1153 | // Firemen 2: Multi-XA files - briefings, cutscenes | |
1154 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
1155 | cdr.File = cdr.Transfer[4 + 0]; | |
1156 | cdr.Channel = cdr.Transfer[4 + 1]; | |
1157 | } | |
1158 | ||
cd0c9f5b | 1159 | if((cdr.Transfer[4 + 2] & 0x4) && |
9f8b032d | 1160 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
cd0c9f5b | 1161 | (cdr.Transfer[4 + 0] == cdr.File)) { |
ef79bbde | 1162 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); |
ef79bbde | 1163 | if (!ret) { |
53598a71 | 1164 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
ef79bbde P |
1165 | SPU_playADPCMchannel(&cdr.Xa); |
1166 | cdr.FirstSector = 0; | |
1167 | } | |
1168 | else cdr.FirstSector = -1; | |
1169 | } | |
1170 | } | |
1171 | ||
1172 | cdr.SetSector[2]++; | |
9f8b032d | 1173 | if (cdr.SetSector[2] == 75) { |
1174 | cdr.SetSector[2] = 0; | |
1175 | cdr.SetSector[1]++; | |
1176 | if (cdr.SetSector[1] == 60) { | |
1177 | cdr.SetSector[1] = 0; | |
1178 | cdr.SetSector[0]++; | |
1179 | } | |
1180 | } | |
1181 | ||
1182 | cdr.Readed = 0; | |
1183 | ||
a34a2445 | 1184 | CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); |
9f8b032d | 1185 | |
1186 | /* | |
1187 | Croc 2: $40 - only FORM1 (*) | |
1188 | Judge Dredd: $C8 - only FORM1 (*) | |
1189 | Sim Theme Park - no adpcm at all (zero) | |
1190 | */ | |
1191 | ||
a34a2445 | 1192 | if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) { |
9f8b032d | 1193 | cdr.Stat = DataReady; |
a34a2445 | 1194 | setIrq(); |
ef79bbde | 1195 | } |
9f8b032d | 1196 | |
fffad32e | 1197 | // update for CdlGetlocP |
73b29eeb | 1198 | ReadTrack(cdr.SetSector); |
fffad32e | 1199 | |
9f8b032d | 1200 | Check_Shell(0); |
ef79bbde P |
1201 | } |
1202 | ||
1203 | /* | |
1204 | cdrRead0: | |
94c118c3 | 1205 | bit 0,1 - mode |
ef79bbde P |
1206 | bit 2 - unknown |
1207 | bit 3 - unknown | |
1208 | bit 4 - unknown | |
1209 | bit 5 - 1 result ready | |
1210 | bit 6 - 1 dma ready | |
1211 | bit 7 - 1 command being processed | |
1212 | */ | |
1213 | ||
1214 | unsigned char cdrRead0(void) { | |
1215 | if (cdr.ResultReady) | |
1216 | cdr.Ctrl |= 0x20; | |
1217 | else | |
1218 | cdr.Ctrl &= ~0x20; | |
1219 | ||
1220 | if (cdr.OCUP) | |
1221 | cdr.Ctrl |= 0x40; | |
1222 | // else | |
1223 | // cdr.Ctrl &= ~0x40; | |
1224 | ||
1225 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1226 | cdr.Ctrl |= 0x18; | |
1227 | ||
8b380e97 | 1228 | CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl); |
ef79bbde P |
1229 | |
1230 | return psxHu8(0x1800) = cdr.Ctrl; | |
1231 | } | |
1232 | ||
ef79bbde | 1233 | void cdrWrite0(unsigned char rt) { |
8b380e97 | 1234 | CDR_LOG_IO("cdr w0: %02x\n", rt); |
1235 | ||
50b13be9 | 1236 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1237 | } |
1238 | ||
1239 | unsigned char cdrRead1(void) { | |
94c118c3 | 1240 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1241 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1242 | else |
ef79bbde | 1243 | psxHu8(0x1801) = 0; |
94c118c3 | 1244 | cdr.ResultP++; |
1245 | if (cdr.ResultP == cdr.ResultC) | |
1246 | cdr.ResultReady = 0; | |
1247 | ||
8b380e97 | 1248 | CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801)); |
1249 | ||
ef79bbde P |
1250 | return psxHu8(0x1801); |
1251 | } | |
1252 | ||
1253 | void cdrWrite1(unsigned char rt) { | |
305c8c93 | 1254 | u8 set_loc[3]; |
ef79bbde P |
1255 | int i; |
1256 | ||
8b380e97 | 1257 | CDR_LOG_IO("cdr w1: %02x\n", rt); |
9f8b032d | 1258 | |
94c118c3 | 1259 | switch (cdr.Ctrl & 3) { |
1260 | case 0: | |
1261 | break; | |
1262 | case 3: | |
53598a71 | 1263 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1264 | return; |
1265 | default: | |
1266 | return; | |
9f8b032d | 1267 | } |
1268 | ||
9f8b032d | 1269 | cdr.Cmd = rt; |
ef79bbde P |
1270 | cdr.OCUP = 0; |
1271 | ||
8b380e97 | 1272 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1273 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde P |
1274 | if (cdr.ParamC) { |
1275 | SysPrintf(" Param[%d] = {", cdr.ParamC); | |
1276 | for (i = 0; i < cdr.ParamC; i++) | |
1277 | SysPrintf(" %x,", cdr.Param[i]); | |
1278 | SysPrintf("}\n"); | |
1279 | } else { | |
1280 | SysPrintf("\n"); | |
1281 | } | |
1282 | #endif | |
1283 | ||
2daaaae3 | 1284 | cdr.ResultReady = 0; |
94c118c3 | 1285 | cdr.Ctrl |= 0x80; |
1286 | // cdr.Stat = NoIntr; | |
1287 | AddIrqQueue(cdr.Cmd, 0x800); | |
2daaaae3 | 1288 | |
9f8b032d | 1289 | switch (cdr.Cmd) { |
94c118c3 | 1290 | case CdlSync: |
1291 | case CdlNop: | |
1292 | case CdlForward: | |
1293 | case CdlBackward: | |
1294 | case CdlReadT: | |
1295 | case CdlTest: | |
1296 | case CdlID: | |
1297 | case CdlReadToc: | |
1298 | case CdlGetmode: | |
1299 | case CdlGetlocL: | |
1300 | case CdlGetlocP: | |
1301 | case CdlGetTD: | |
1302 | break; | |
ef79bbde | 1303 | |
94c118c3 | 1304 | case CdlSetloc: |
9f8b032d | 1305 | StopReading(); |
9f8b032d | 1306 | for (i = 0; i < 3; i++) |
914722b2 | 1307 | set_loc[i] = btoi(cdr.Param[i]); |
39df67df | 1308 | |
2d5ca6c0 | 1309 | // FIXME: clean up this SetSector/SetSectorPlay mess, |
1310 | // there should be single var tracking current sector pos | |
1311 | if (cdr.Play) | |
1312 | i = msf2sec(cdr.SetSectorPlay); | |
1313 | else | |
1314 | i = msf2sec(cdr.SetSector); | |
1315 | i = abs(i - msf2sec(set_loc)); | |
914722b2 | 1316 | if (i > 16) |
94c118c3 | 1317 | cdr.Seeked = SEEK_PENDING; |
39df67df | 1318 | |
914722b2 | 1319 | memcpy(cdr.SetSector, set_loc, 3); |
94c118c3 | 1320 | cdr.SetSector[3] = 0; |
1321 | break; | |
ef79bbde | 1322 | |
94c118c3 | 1323 | case CdlPlay: |
9f8b032d | 1324 | // Vib Ribbon: try same track again |
1325 | StopCdda(); | |
1326 | ||
9f8b032d | 1327 | // Vib Ribbon - decoded buffer IRQ for CDDA reading |
1328 | // - fixes ribbon timing + music CD mode | |
9f8b032d | 1329 | //CDRDBUF_INT( PSXCLK / 44100 * 0x100 ); |
1330 | ||
9f8b032d | 1331 | cdr.Play = TRUE; |
1332 | ||
1333 | cdr.StatP |= STATUS_SEEK; | |
1334 | cdr.StatP &= ~STATUS_ROTATING; | |
94c118c3 | 1335 | break; |
9f8b032d | 1336 | |
94c118c3 | 1337 | case CdlReadN: |
9f8b032d | 1338 | StopReading(); |
94c118c3 | 1339 | cdr.Reading = 1; |
1340 | cdr.FirstSector = 1; | |
1341 | cdr.Readed = 0xff; | |
9f8b032d | 1342 | break; |
ef79bbde | 1343 | |
94c118c3 | 1344 | case CdlStandby: |
9f8b032d | 1345 | StopCdda(); |
1346 | StopReading(); | |
94c118c3 | 1347 | break; |
ef79bbde | 1348 | |
94c118c3 | 1349 | case CdlStop: |
9f8b032d | 1350 | // GameShark CD Player: Reset CDDA to track start |
2d5ca6c0 | 1351 | if (cdr.Play) { |
9f8b032d | 1352 | // grab time for current track |
1353 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
1354 | ||
1355 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
1356 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
1357 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
1358 | } | |
1359 | ||
1360 | StopCdda(); | |
1361 | StopReading(); | |
94c118c3 | 1362 | break; |
9f8b032d | 1363 | |
94c118c3 | 1364 | case CdlPause: |
9f8b032d | 1365 | /* |
1366 | GameShark CD Player: save time for resume | |
1367 | ||
aa1f7284 | 1368 | Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors |
1369 | */ | |
ef79bbde | 1370 | |
9f8b032d | 1371 | StopCdda(); |
1372 | StopReading(); | |
9f8b032d | 1373 | break; |
1374 | ||
1375 | case CdlReset: | |
94c118c3 | 1376 | case CdlInit: |
39df67df | 1377 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 1378 | StopCdda(); |
1379 | StopReading(); | |
94c118c3 | 1380 | break; |
9f8b032d | 1381 | |
94c118c3 | 1382 | case CdlMute: |
1383 | cdr.Muted = TRUE; | |
9f8b032d | 1384 | // Duke Nukem - Time to Kill |
1385 | // - do not directly set cd-xa volume | |
1386 | //SPU_writeRegister( H_CDLeft, 0x0000 ); | |
1387 | //SPU_writeRegister( H_CDRight, 0x0000 ); | |
94c118c3 | 1388 | break; |
ef79bbde | 1389 | |
94c118c3 | 1390 | case CdlDemute: |
1391 | cdr.Muted = FALSE; | |
9f8b032d | 1392 | |
1393 | // Duke Nukem - Time to Kill | |
1394 | // - do not directly set cd-xa volume | |
1395 | //SPU_writeRegister( H_CDLeft, 0x7f00 ); | |
1396 | //SPU_writeRegister( H_CDRight, 0x7f00 ); | |
94c118c3 | 1397 | break; |
ef79bbde P |
1398 | |
1399 | case CdlSetfilter: | |
1400 | cdr.File = cdr.Param[0]; | |
1401 | cdr.Channel = cdr.Param[1]; | |
ef79bbde P |
1402 | break; |
1403 | ||
1404 | case CdlSetmode: | |
9f8b032d | 1405 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
8b380e97 | 1406 | |
ef79bbde | 1407 | cdr.Mode = cdr.Param[0]; |
9f8b032d | 1408 | |
1409 | // Squaresoft on PlayStation 1998 Collector's CD Vol. 1 | |
1410 | // - fixes choppy movie sound | |
1411 | if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 ) | |
1412 | StopCdda(); | |
ef79bbde P |
1413 | break; |
1414 | ||
ef79bbde | 1415 | case CdlGetTN: |
9f8b032d | 1416 | //AddIrqQueue(cdr.Cmd, 0x800); |
1417 | ||
1418 | // GameShark CDX CD Player: very long time | |
1419 | AddIrqQueue(cdr.Cmd, 0x100000); | |
1420 | break; | |
ef79bbde | 1421 | |
ef79bbde | 1422 | case CdlSeekL: |
ef79bbde | 1423 | case CdlSeekP: |
9f8b032d | 1424 | // Tomb Raider 2 - reset cdda |
1425 | StopCdda(); | |
1426 | StopReading(); | |
9f8b032d | 1427 | break; |
1428 | ||
ef79bbde | 1429 | case CdlReadS: |
9f8b032d | 1430 | StopReading(); |
94c118c3 | 1431 | cdr.Reading = 2; |
1432 | cdr.FirstSector = 1; | |
1433 | cdr.Readed = 0xff; | |
9f8b032d | 1434 | break; |
ef79bbde | 1435 | |
94c118c3 | 1436 | default: |
2daaaae3 | 1437 | cdr.ParamC = 0; |
8b380e97 | 1438 | CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd); |
9f8b032d | 1439 | return; |
1440 | } | |
ef79bbde P |
1441 | } |
1442 | ||
1443 | unsigned char cdrRead2(void) { | |
1444 | unsigned char ret; | |
1445 | ||
1446 | if (cdr.Readed == 0) { | |
1447 | ret = 0; | |
1448 | } else { | |
8e1040b6 | 1449 | ret = *pTransfer++; |
ef79bbde P |
1450 | } |
1451 | ||
8b380e97 | 1452 | CDR_LOG_IO("cdr r2: %02x\n", ret); |
ef79bbde P |
1453 | return ret; |
1454 | } | |
1455 | ||
1456 | void cdrWrite2(unsigned char rt) { | |
8b380e97 | 1457 | CDR_LOG_IO("cdr w2: %02x\n", rt); |
9f8b032d | 1458 | |
94c118c3 | 1459 | switch (cdr.Ctrl & 3) { |
1460 | case 0: | |
1461 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1462 | cdr.Param[cdr.ParamC++] = rt; | |
1463 | return; | |
1464 | case 1: | |
1465 | cdr.Reg2 = rt; | |
1466 | setIrq(); | |
1467 | return; | |
1468 | case 2: | |
53598a71 | 1469 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1470 | return; |
1471 | case 3: | |
53598a71 | 1472 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1473 | return; |
ef79bbde P |
1474 | } |
1475 | } | |
1476 | ||
1477 | unsigned char cdrRead3(void) { | |
94c118c3 | 1478 | if (cdr.Ctrl & 0x1) |
1479 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1480 | else | |
1481 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1482 | |
1483 | CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803)); | |
ef79bbde P |
1484 | return psxHu8(0x1803); |
1485 | } | |
1486 | ||
1487 | void cdrWrite3(unsigned char rt) { | |
8b380e97 | 1488 | CDR_LOG_IO("cdr w3: %02x\n", rt); |
056d6759 | 1489 | |
94c118c3 | 1490 | switch (cdr.Ctrl & 3) { |
1491 | case 0: | |
a34a2445 | 1492 | break; // transfer |
94c118c3 | 1493 | case 1: |
a34a2445 | 1494 | cdr.Stat &= ~rt; |
1495 | ||
1496 | if (rt & 0x40) | |
1497 | cdr.ParamC = 0; | |
1498 | return; | |
94c118c3 | 1499 | case 2: |
53598a71 | 1500 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1501 | return; |
1502 | case 3: | |
53598a71 | 1503 | if (rt & 0x20) { |
1504 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
1505 | CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n", | |
1506 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, | |
1507 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1508 | } | |
94c118c3 | 1509 | return; |
9f8b032d | 1510 | } |
056d6759 | 1511 | |
94c118c3 | 1512 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1513 | cdr.Readed = 1; |
8e1040b6 | 1514 | pTransfer = cdr.Transfer; |
ef79bbde P |
1515 | |
1516 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1517 | case MODE_SIZE_2328: |
ef79bbde | 1518 | case 0x00: |
8e1040b6 | 1519 | pTransfer += 12; |
ef79bbde | 1520 | break; |
9f8b032d | 1521 | |
1522 | case MODE_SIZE_2340: | |
8e1040b6 | 1523 | pTransfer += 0; |
9f8b032d | 1524 | break; |
1525 | ||
ef79bbde P |
1526 | default: |
1527 | break; | |
1528 | } | |
1529 | } | |
1530 | } | |
1531 | ||
1532 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1533 | u32 cdsize; | |
c7071c43 | 1534 | int size; |
ef79bbde P |
1535 | u8 *ptr; |
1536 | ||
ef79bbde | 1537 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1538 | |
1539 | switch (chcr) { | |
1540 | case 0x11000000: | |
1541 | case 0x11400100: | |
1542 | if (cdr.Readed == 0) { | |
ef79bbde | 1543 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1544 | break; |
1545 | } | |
1546 | ||
1547 | cdsize = (bcr & 0xffff) * 4; | |
1548 | ||
9f8b032d | 1549 | // Ape Escape: bcr = 0001 / 0000 |
1550 | // - fix boot | |
1551 | if( cdsize == 0 ) | |
1552 | { | |
cd0c9f5b | 1553 | switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) { |
9f8b032d | 1554 | case MODE_SIZE_2340: cdsize = 2340; break; |
cd0c9f5b | 1555 | case MODE_SIZE_2328: cdsize = 2328; break; |
1556 | default: | |
1557 | case MODE_SIZE_2048: cdsize = 2048; break; | |
9f8b032d | 1558 | } |
1559 | } | |
1560 | ||
1561 | ||
ef79bbde P |
1562 | ptr = (u8 *)PSXM(madr); |
1563 | if (ptr == NULL) { | |
ef79bbde | 1564 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1565 | break; |
1566 | } | |
9f8b032d | 1567 | |
1568 | /* | |
1569 | GS CDX: Enhancement CD crash | |
1570 | - Setloc 0:0:0 | |
1571 | - CdlPlay | |
1572 | - Spams DMA3 and gets buffer overrun | |
1573 | */ | |
8e1040b6 | 1574 | size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer); |
c7071c43 | 1575 | if (size > cdsize) |
1576 | size = cdsize; | |
1577 | if (size > 0) | |
9f8b032d | 1578 | { |
8e1040b6 | 1579 | memcpy(ptr, pTransfer, size); |
9f8b032d | 1580 | } |
1581 | ||
ef79bbde | 1582 | psxCpu->Clear(madr, cdsize / 4); |
8e1040b6 | 1583 | pTransfer += cdsize; |
9f8b032d | 1584 | |
1585 | ||
1586 | // burst vs normal | |
1587 | if( chcr == 0x11400100 ) { | |
1588 | CDRDMA_INT( (cdsize/4) / 4 ); | |
1589 | } | |
1590 | else if( chcr == 0x11000000 ) { | |
1591 | CDRDMA_INT( (cdsize/4) * 1 ); | |
1592 | } | |
1593 | return; | |
1594 | ||
ef79bbde | 1595 | default: |
ef79bbde | 1596 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1597 | break; |
1598 | } | |
1599 | ||
1600 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1601 | DMA_INTERRUPT(3); | |
1602 | } | |
1603 | ||
9f8b032d | 1604 | void cdrDmaInterrupt() |
1605 | { | |
ad418c19 | 1606 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1607 | { | |
1608 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1609 | DMA_INTERRUPT(3); | |
1610 | } | |
9f8b032d | 1611 | } |
1612 | ||
fffad32e | 1613 | static void getCdInfo(void) |
1614 | { | |
1615 | u8 tmp; | |
1616 | ||
1617 | CDR_getTN(cdr.ResultTN); | |
1618 | CDR_getTD(0, cdr.SetSectorEnd); | |
1619 | tmp = cdr.SetSectorEnd[0]; | |
1620 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1621 | cdr.SetSectorEnd[2] = tmp; | |
1622 | } | |
1623 | ||
ef79bbde P |
1624 | void cdrReset() { |
1625 | memset(&cdr, 0, sizeof(cdr)); | |
1626 | cdr.CurTrack = 1; | |
1627 | cdr.File = 1; | |
1628 | cdr.Channel = 1; | |
a2d3ccb8 | 1629 | cdr.Reg2 = 0x1f; |
1630 | cdr.Stat = NoIntr; | |
8e1040b6 | 1631 | pTransfer = cdr.Transfer; |
056d6759 | 1632 | |
1633 | // BIOS player - default values | |
53598a71 | 1634 | cdr.AttenuatorLeftToLeft = 0x80; |
1635 | cdr.AttenuatorLeftToRight = 0x00; | |
1636 | cdr.AttenuatorRightToLeft = 0x00; | |
1637 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1638 | |
1639 | getCdInfo(); | |
ef79bbde P |
1640 | } |
1641 | ||
496d88d4 | 1642 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1643 | u32 tmp; |
fffad32e | 1644 | u8 tmpp[3]; |
ef79bbde | 1645 | |
fffad32e | 1646 | if (Mode == 0 && !Config.Cdda) |
1647 | CDR_stop(); | |
9f8b032d | 1648 | |
c69642c8 | 1649 | cdr.freeze_ver = 0x63647201; |
9f8b032d | 1650 | gzfreeze(&cdr, sizeof(cdr)); |
1651 | ||
94c118c3 | 1652 | if (Mode == 1) { |
1653 | cdr.ParamP = cdr.ParamC; | |
8e1040b6 | 1654 | tmp = pTransfer - cdr.Transfer; |
94c118c3 | 1655 | } |
ef79bbde P |
1656 | |
1657 | gzfreeze(&tmp, sizeof(tmp)); | |
1658 | ||
42f3c512 | 1659 | if (Mode == 0) { |
fffad32e | 1660 | getCdInfo(); |
1661 | ||
8e1040b6 | 1662 | pTransfer = cdr.Transfer + tmp; |
ef79bbde | 1663 | |
fffad32e | 1664 | // read right sub data |
1665 | memcpy(tmpp, cdr.Prev, 3); | |
1666 | cdr.Prev[0]++; | |
73b29eeb | 1667 | ReadTrack(tmpp); |
fffad32e | 1668 | |
1669 | if (cdr.Play) { | |
1670 | Find_CurTrack(cdr.SetSectorPlay); | |
1671 | if (!Config.Cdda) | |
1672 | CDR_play(cdr.SetSectorPlay); | |
1673 | } | |
c69642c8 | 1674 | |
1675 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1676 | // old versions did not latch Reg2, have to fixup.. | |
1677 | if (cdr.Reg2 == 0) { | |
1678 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1679 | cdr.Reg2 = 7; | |
1680 | } | |
1681 | } | |
42f3c512 | 1682 | } |
1683 | ||
ef79bbde P |
1684 | return 0; |
1685 | } | |
9f8b032d | 1686 | |
1687 | void LidInterrupt() { | |
1688 | cdr.LidCheck = 0x20; // start checker | |
1689 | ||
fffad32e | 1690 | getCdInfo(); |
1691 | ||
1692 | StopCdda(); | |
9f8b032d | 1693 | CDRLID_INT( cdReadTime * 3 ); |
a34a2445 | 1694 | |
9f8b032d | 1695 | // generate interrupt if none active - open or close |
1696 | if (cdr.Irq == 0 || cdr.Irq == 0xff) { | |
1697 | cdr.Ctrl |= 0x80; | |
1698 | cdr.Stat = NoIntr; | |
1699 | AddIrqQueue(CdlNop, 0x800); | |
1700 | } | |
1701 | } |