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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(); | |
301 | ||
302 | ||
303 | // GameShark Lite: Death if DiskError happens | |
304 | // | |
305 | // Vib Ribbon: Needs DiskError for CD swap | |
306 | ||
307 | if (Irq != CdlNop) | |
308 | { | |
309 | cdr.Stat = DiskError; | |
310 | ||
311 | cdr.StatP |= STATUS_ERROR; | |
312 | cdr.Result[0] |= STATUS_ERROR; | |
313 | } | |
314 | ||
315 | // GameShark Lite: Wants -exactly- $10 | |
316 | cdr.StatP |= STATUS_SHELLOPEN; | |
317 | cdr.StatP &= ~STATUS_ROTATING; | |
318 | ||
319 | ||
320 | CDRLID_INT( cdReadTime * 3 ); | |
321 | cdr.LidCheck = 0x10; | |
322 | ||
323 | ||
324 | // GS CDX 3.3 = $11 | |
325 | } | |
326 | ||
327 | // case just closed | |
328 | else if ( i & STATUS_SHELLOPEN ) | |
329 | { | |
330 | cdr.StatP |= STATUS_ROTATING; | |
331 | ||
332 | CheckCdrom(); | |
333 | ||
334 | ||
335 | if( cdr.Stat == NoIntr ) | |
336 | cdr.Stat = Acknowledge; | |
337 | ||
94c118c3 | 338 | setIrq(); |
9f8b032d | 339 | |
340 | // begin close-seek-ready cycle | |
341 | CDRLID_INT( cdReadTime * 3 ); | |
342 | cdr.LidCheck = 0x30; | |
343 | ||
344 | ||
345 | // GameShark Lite: Wants -exactly- $42, then $02 | |
346 | // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00 | |
347 | } | |
348 | ||
349 | // case still closed - wait for recheck | |
350 | else | |
351 | { | |
352 | CDRLID_INT( cdReadTime * 3 ); | |
353 | cdr.LidCheck = 0x10; | |
354 | } | |
355 | } | |
356 | } | |
357 | ||
358 | ||
359 | // GS CDX: clear all values but #1,#2 | |
360 | if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) ) | |
361 | { | |
362 | SetResultSize(16); | |
363 | memset( cdr.Result, 0, 16 ); | |
364 | ||
365 | cdr.Result[0] = cdr.StatP; | |
366 | ||
367 | ||
368 | // GS CDX: special return value | |
369 | if( cdr.StatP & STATUS_SHELLOPEN ) | |
370 | { | |
371 | cdr.Result[1] = 0x80; | |
372 | } | |
373 | ||
374 | ||
375 | if( cdr.Stat == NoIntr ) | |
376 | cdr.Stat = Acknowledge; | |
377 | ||
94c118c3 | 378 | setIrq(); |
9f8b032d | 379 | } |
380 | } | |
381 | } | |
382 | ||
fffad32e | 383 | static void Find_CurTrack(const u8 *time) |
384 | { | |
385 | int current, sect; | |
9f8b032d | 386 | |
fffad32e | 387 | current = msf2sec(time); |
9f8b032d | 388 | |
fffad32e | 389 | for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) { |
390 | CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD); | |
391 | sect = fsm2sec(cdr.ResultTD); | |
392 | if (sect - current >= 150) | |
9f8b032d | 393 | break; |
9f8b032d | 394 | } |
395 | } | |
396 | ||
73b29eeb | 397 | static void generate_subq(const u8 *time) |
398 | { | |
399 | unsigned char start[3], next[3]; | |
400 | unsigned int this_s, start_s, next_s, pregap; | |
401 | int relative_s; | |
402 | ||
403 | CDR_getTD(cdr.CurTrack, start); | |
404 | if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) { | |
405 | pregap = 150; | |
406 | CDR_getTD(cdr.CurTrack + 1, next); | |
407 | } | |
408 | else { | |
409 | // last track - cd size | |
410 | pregap = 0; | |
411 | next[0] = cdr.SetSectorEnd[2]; | |
412 | next[1] = cdr.SetSectorEnd[1]; | |
413 | next[2] = cdr.SetSectorEnd[0]; | |
414 | } | |
415 | ||
416 | this_s = msf2sec(time); | |
417 | start_s = fsm2sec(start); | |
418 | next_s = fsm2sec(next); | |
419 | ||
420 | cdr.TrackChanged = FALSE; | |
421 | ||
422 | if (next_s - this_s < pregap) { | |
423 | cdr.TrackChanged = TRUE; | |
424 | cdr.CurTrack++; | |
425 | start_s = next_s; | |
426 | } | |
427 | ||
428 | cdr.subq.Index = 1; | |
429 | ||
430 | relative_s = this_s - start_s; | |
431 | if (relative_s < 0) { | |
432 | cdr.subq.Index = 0; | |
433 | relative_s = -relative_s; | |
434 | } | |
435 | sec2msf(relative_s, cdr.subq.Relative); | |
436 | ||
437 | cdr.subq.Track = itob(cdr.CurTrack); | |
438 | cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]); | |
439 | cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]); | |
440 | cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]); | |
441 | cdr.subq.Absolute[0] = itob(time[0]); | |
442 | cdr.subq.Absolute[1] = itob(time[1]); | |
443 | cdr.subq.Absolute[2] = itob(time[2]); | |
444 | } | |
445 | ||
446 | static void ReadTrack(const u8 *time) { | |
fffad32e | 447 | unsigned char tmp[3]; |
448 | struct SubQ *subq; | |
449 | u16 crc; | |
ef79bbde | 450 | |
fffad32e | 451 | tmp[0] = itob(time[0]); |
452 | tmp[1] = itob(time[1]); | |
453 | tmp[2] = itob(time[2]); | |
ef79bbde | 454 | |
fffad32e | 455 | if (memcmp(cdr.Prev, tmp, 3) == 0) |
456 | return; | |
39df67df | 457 | |
fffad32e | 458 | CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]); |
9f8b032d | 459 | |
fffad32e | 460 | cdr.RErr = CDR_readTrack(tmp); |
461 | memcpy(cdr.Prev, tmp, 3); | |
9f8b032d | 462 | |
fffad32e | 463 | if (CheckSBI(time)) |
464 | return; | |
9f8b032d | 465 | |
fffad32e | 466 | subq = (struct SubQ *)CDR_getBufferSub(); |
73b29eeb | 467 | if (subq != NULL && cdr.CurTrack == 1) { |
fffad32e | 468 | crc = calcCrc((u8 *)subq + 12, 10); |
73b29eeb | 469 | if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
fffad32e | 470 | cdr.subq.Track = subq->TrackNumber; |
471 | cdr.subq.Index = subq->IndexNumber; | |
472 | memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3); | |
473 | memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3); | |
fffad32e | 474 | } |
92ca1ba6 | 475 | else { |
73b29eeb | 476 | CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n", |
92ca1ba6 | 477 | tmp[0], tmp[1], tmp[2]); |
478 | } | |
9f8b032d | 479 | } |
fffad32e | 480 | else { |
73b29eeb | 481 | generate_subq(time); |
9f8b032d | 482 | } |
9f8b032d | 483 | |
fffad32e | 484 | CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n", |
485 | cdr.subq.Track, cdr.subq.Index, | |
486 | cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2], | |
487 | cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]); | |
488 | } | |
9f8b032d | 489 | |
fffad32e | 490 | static void AddIrqQueue(unsigned char irq, unsigned long ecycle) { |
491 | if (cdr.Irq != 0) | |
492 | CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq); | |
9f8b032d | 493 | |
fffad32e | 494 | cdr.Irq = irq; |
495 | cdr.eCycle = ecycle; | |
9f8b032d | 496 | |
fffad32e | 497 | CDR_INT(ecycle); |
ef79bbde P |
498 | } |
499 | ||
7f457614 | 500 | static void cdrPlayInterrupt_Autopause() |
501 | { | |
fffad32e | 502 | if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) { |
7f457614 | 503 | CDR_LOG( "CDDA STOP\n" ); |
7f457614 | 504 | |
505 | // Magic the Gathering | |
506 | // - looping territory cdda | |
507 | ||
508 | // ...? | |
509 | //cdr.ResultReady = 1; | |
510 | //cdr.Stat = DataReady; | |
511 | cdr.Stat = DataEnd; | |
94c118c3 | 512 | setIrq(); |
7f457614 | 513 | |
514 | StopCdda(); | |
515 | } | |
a02ee86f | 516 | else if (cdr.Mode & MODE_REPORT) { |
7f457614 | 517 | |
fffad32e | 518 | cdr.Result[0] = cdr.StatP; |
519 | cdr.Result[1] = cdr.subq.Track; | |
520 | cdr.Result[2] = cdr.subq.Index; | |
9b470ab7 | 521 | |
fffad32e | 522 | if (cdr.subq.Absolute[2] & 0x10) { |
523 | cdr.Result[3] = cdr.subq.Relative[0]; | |
524 | cdr.Result[4] = cdr.subq.Relative[1] | 0x80; | |
525 | cdr.Result[5] = cdr.subq.Relative[2]; | |
7f457614 | 526 | } |
fffad32e | 527 | else { |
528 | cdr.Result[3] = cdr.subq.Absolute[0]; | |
529 | cdr.Result[4] = cdr.subq.Absolute[1]; | |
530 | cdr.Result[5] = cdr.subq.Absolute[2]; | |
531 | } | |
532 | ||
533 | cdr.Result[6] = 0; | |
534 | cdr.Result[7] = 0; | |
7f457614 | 535 | |
536 | // Rayman: Logo freeze (resultready + dataready) | |
537 | cdr.ResultReady = 1; | |
538 | cdr.Stat = DataReady; | |
539 | ||
540 | SetResultSize(8); | |
94c118c3 | 541 | setIrq(); |
7f457614 | 542 | } |
543 | } | |
544 | ||
39df67df | 545 | // also handles seek |
7f457614 | 546 | void cdrPlayInterrupt() |
547 | { | |
892bd7d4 | 548 | if (cdr.Seeked == SEEK_PENDING) { |
e7e33ef2 | 549 | if (cdr.Stat) { |
8b380e97 | 550 | CDR_LOG_I("cdrom: seek stat hack\n"); |
e7e33ef2 | 551 | CDRMISC_INT(0x1000); |
552 | return; | |
553 | } | |
39df67df | 554 | SetResultSize(1); |
555 | cdr.StatP |= STATUS_ROTATING; | |
556 | cdr.StatP &= ~STATUS_SEEK; | |
557 | cdr.Result[0] = cdr.StatP; | |
892bd7d4 | 558 | cdr.Seeked = SEEK_DONE; |
a34a2445 | 559 | if (cdr.Irq == 0) { |
39df67df | 560 | cdr.Stat = Complete; |
94c118c3 | 561 | setIrq(); |
39df67df | 562 | } |
563 | ||
892bd7d4 | 564 | memcpy(cdr.SetSectorPlay, cdr.SetSector, 4); |
fffad32e | 565 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 566 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 567 | cdr.TrackChanged = FALSE; |
39df67df | 568 | } |
569 | ||
570 | if (!cdr.Play) return; | |
7f457614 | 571 | |
7f457614 | 572 | CDR_LOG( "CDDA - %d:%d:%d\n", |
573 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); | |
8b380e97 | 574 | |
fffad32e | 575 | if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) { |
576 | StopCdda(); | |
577 | cdr.TrackChanged = TRUE; | |
578 | } | |
7f457614 | 579 | |
892bd7d4 | 580 | if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT))) |
7f457614 | 581 | cdrPlayInterrupt_Autopause(); |
582 | ||
fffad32e | 583 | if (!cdr.Play) return; |
584 | ||
7f457614 | 585 | cdr.SetSectorPlay[2]++; |
586 | if (cdr.SetSectorPlay[2] == 75) { | |
587 | cdr.SetSectorPlay[2] = 0; | |
588 | cdr.SetSectorPlay[1]++; | |
589 | if (cdr.SetSectorPlay[1] == 60) { | |
590 | cdr.SetSectorPlay[1] = 0; | |
591 | cdr.SetSectorPlay[0]++; | |
592 | } | |
593 | } | |
594 | ||
fffad32e | 595 | CDRMISC_INT(cdReadTime); |
596 | ||
597 | // update for CdlGetlocP/autopause | |
73b29eeb | 598 | generate_subq(cdr.SetSectorPlay); |
7f457614 | 599 | } |
600 | ||
ef79bbde P |
601 | void cdrInterrupt() { |
602 | int i; | |
603 | unsigned char Irq = cdr.Irq; | |
604 | ||
9f8b032d | 605 | // Reschedule IRQ |
ef79bbde | 606 | if (cdr.Stat) { |
8b380e97 | 607 | CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 608 | CDR_INT(0x1000); |
ef79bbde P |
609 | return; |
610 | } | |
611 | ||
a34a2445 | 612 | cdr.Irq = 0; |
ef79bbde P |
613 | cdr.Ctrl &= ~0x80; |
614 | ||
615 | switch (Irq) { | |
616 | case CdlSync: | |
617 | SetResultSize(1); | |
9f8b032d | 618 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde | 619 | cdr.Result[0] = cdr.StatP; |
cd0c9f5b | 620 | cdr.Stat = Acknowledge; |
ef79bbde P |
621 | break; |
622 | ||
623 | case CdlNop: | |
624 | SetResultSize(1); | |
625 | cdr.Result[0] = cdr.StatP; | |
626 | cdr.Stat = Acknowledge; | |
9f8b032d | 627 | |
628 | if (cdr.LidCheck == 0) cdr.LidCheck = 0x20; | |
ef79bbde P |
629 | break; |
630 | ||
631 | case CdlSetloc: | |
632 | cdr.CmdProcess = 0; | |
633 | SetResultSize(1); | |
9f8b032d | 634 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
635 | cdr.Result[0] = cdr.StatP; |
636 | cdr.Stat = Acknowledge; | |
637 | break; | |
638 | ||
639 | case CdlPlay: | |
39df67df | 640 | if (cdr.Seeked == SEEK_PENDING) { |
641 | // XXX: wrong, should seek instead.. | |
9f8b032d | 642 | memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 ); |
39df67df | 643 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 644 | } |
645 | ||
2d5ca6c0 | 646 | // BIOS CD Player |
647 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) | |
648 | ||
649 | if (cdr.ParamC == 0 || cdr.Param[0] == 0) { | |
650 | CDR_LOG("PLAY Resume @ %d:%d:%d\n", | |
651 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]); | |
652 | } | |
653 | else | |
654 | { | |
655 | int track = btoi( cdr.Param[0] ); | |
656 | ||
657 | if (track <= cdr.ResultTN[1]) | |
658 | cdr.CurTrack = track; | |
659 | ||
660 | CDR_LOG("PLAY track %d\n", cdr.CurTrack); | |
661 | ||
662 | if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) { | |
663 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
664 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
665 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
666 | } | |
667 | } | |
668 | ||
9f8b032d | 669 | /* |
670 | Rayman: detect track changes | |
671 | - fixes logo freeze | |
672 | ||
673 | Twisted Metal 2: skip PREGAP + starting accurate SubQ | |
674 | - plays tracks without retry play | |
675 | ||
676 | Wild 9: skip PREGAP + starting accurate SubQ | |
677 | - plays tracks without retry play | |
678 | */ | |
fffad32e | 679 | Find_CurTrack(cdr.SetSectorPlay); |
73b29eeb | 680 | ReadTrack(cdr.SetSectorPlay); |
fffad32e | 681 | cdr.TrackChanged = FALSE; |
9f8b032d | 682 | |
2d5ca6c0 | 683 | if (!Config.Cdda) |
684 | CDR_play(cdr.SetSectorPlay); | |
9f8b032d | 685 | |
686 | // Vib Ribbon: gameplay checks flag | |
687 | cdr.StatP &= ~STATUS_SEEK; | |
688 | ||
ef79bbde P |
689 | cdr.CmdProcess = 0; |
690 | SetResultSize(1); | |
9f8b032d | 691 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
692 | cdr.Result[0] = cdr.StatP; |
693 | cdr.Stat = Acknowledge; | |
9f8b032d | 694 | |
695 | cdr.StatP |= STATUS_PLAY; | |
696 | ||
697 | ||
698 | // BIOS player - set flag again | |
699 | cdr.Play = TRUE; | |
700 | ||
39df67df | 701 | CDRMISC_INT( cdReadTime ); |
ef79bbde P |
702 | break; |
703 | ||
9f8b032d | 704 | case CdlForward: |
ef79bbde P |
705 | cdr.CmdProcess = 0; |
706 | SetResultSize(1); | |
9f8b032d | 707 | cdr.StatP |= STATUS_ROTATING; |
708 | cdr.Result[0] = cdr.StatP; | |
709 | cdr.Stat = Complete; | |
710 | ||
711 | ||
712 | // GameShark CD Player: Calls 2x + Play 2x | |
713 | if( cdr.FastForward == 0 ) cdr.FastForward = 2; | |
714 | else cdr.FastForward++; | |
715 | ||
716 | cdr.FastBackward = 0; | |
ef79bbde P |
717 | break; |
718 | ||
9f8b032d | 719 | case CdlBackward: |
ef79bbde P |
720 | cdr.CmdProcess = 0; |
721 | SetResultSize(1); | |
9f8b032d | 722 | cdr.StatP |= STATUS_ROTATING; |
723 | cdr.Result[0] = cdr.StatP; | |
724 | cdr.Stat = Complete; | |
725 | ||
726 | ||
727 | // GameShark CD Player: Calls 2x + Play 2x | |
728 | if( cdr.FastBackward == 0 ) cdr.FastBackward = 2; | |
729 | else cdr.FastBackward++; | |
730 | ||
731 | cdr.FastForward = 0; | |
ef79bbde P |
732 | break; |
733 | ||
9f8b032d | 734 | case CdlStandby: |
ef79bbde P |
735 | cdr.CmdProcess = 0; |
736 | SetResultSize(1); | |
9f8b032d | 737 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
738 | cdr.Result[0] = cdr.StatP; |
739 | cdr.Stat = Complete; | |
740 | break; | |
741 | ||
742 | case CdlStop: | |
743 | cdr.CmdProcess = 0; | |
744 | SetResultSize(1); | |
9f8b032d | 745 | cdr.StatP &= ~STATUS_ROTATING; |
ef79bbde P |
746 | cdr.Result[0] = cdr.StatP; |
747 | cdr.Stat = Complete; | |
748 | // cdr.Stat = Acknowledge; | |
749 | ||
9f8b032d | 750 | if (cdr.LidCheck == 0) cdr.LidCheck = 0x20; |
ef79bbde P |
751 | break; |
752 | ||
753 | case CdlPause: | |
754 | SetResultSize(1); | |
755 | cdr.Result[0] = cdr.StatP; | |
9f8b032d | 756 | cdr.Stat = Acknowledge; |
757 | ||
12228917 | 758 | /* |
759 | Gundam Battle Assault 2: much slower (*) | |
760 | - Fixes boot, gameplay | |
761 | ||
762 | Hokuto no Ken 2: slower | |
763 | - Fixes intro + subtitles | |
764 | ||
765 | InuYasha - Feudal Fairy Tale: slower | |
766 | - Fixes battles | |
767 | */ | |
768 | AddIrqQueue(CdlPause + 0x20, cdReadTime * 3); | |
ef79bbde P |
769 | cdr.Ctrl |= 0x80; |
770 | break; | |
771 | ||
772 | case CdlPause + 0x20: | |
773 | SetResultSize(1); | |
9f8b032d | 774 | cdr.StatP &= ~STATUS_READ; |
775 | cdr.StatP |= STATUS_ROTATING; | |
ef79bbde | 776 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 777 | cdr.Stat = Complete; |
ef79bbde P |
778 | break; |
779 | ||
9f8b032d | 780 | case CdlInit: |
ef79bbde | 781 | SetResultSize(1); |
9f8b032d | 782 | cdr.StatP = STATUS_ROTATING; |
ef79bbde | 783 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 784 | cdr.Stat = Acknowledge; |
ef79bbde | 785 | // if (!cdr.Init) { |
9f8b032d | 786 | AddIrqQueue(CdlInit + 0x20, 0x800); |
ef79bbde P |
787 | // } |
788 | break; | |
789 | ||
790 | case CdlInit + 0x20: | |
791 | SetResultSize(1); | |
792 | cdr.Result[0] = cdr.StatP; | |
9f8b032d | 793 | cdr.Stat = Complete; |
ef79bbde P |
794 | cdr.Init = 1; |
795 | break; | |
796 | ||
9f8b032d | 797 | case CdlMute: |
ef79bbde | 798 | SetResultSize(1); |
9f8b032d | 799 | cdr.StatP |= STATUS_ROTATING; |
800 | cdr.Result[0] = cdr.StatP; | |
801 | cdr.Stat = Acknowledge; | |
ef79bbde P |
802 | break; |
803 | ||
9f8b032d | 804 | case CdlDemute: |
ef79bbde | 805 | SetResultSize(1); |
9f8b032d | 806 | cdr.StatP |= STATUS_ROTATING; |
807 | cdr.Result[0] = cdr.StatP; | |
808 | cdr.Stat = Acknowledge; | |
ef79bbde P |
809 | break; |
810 | ||
9f8b032d | 811 | case CdlSetfilter: |
ef79bbde | 812 | SetResultSize(1); |
9f8b032d | 813 | cdr.StatP |= STATUS_ROTATING; |
814 | cdr.Result[0] = cdr.StatP; | |
815 | cdr.Stat = Acknowledge; | |
816 | break; | |
ef79bbde P |
817 | |
818 | case CdlSetmode: | |
819 | SetResultSize(1); | |
9f8b032d | 820 | cdr.StatP |= STATUS_ROTATING; |
821 | cdr.Result[0] = cdr.StatP; | |
822 | cdr.Stat = Acknowledge; | |
823 | break; | |
ef79bbde | 824 | |
9f8b032d | 825 | case CdlGetmode: |
ef79bbde | 826 | SetResultSize(6); |
9f8b032d | 827 | cdr.StatP |= STATUS_ROTATING; |
828 | cdr.Result[0] = cdr.StatP; | |
829 | cdr.Result[1] = cdr.Mode; | |
830 | cdr.Result[2] = cdr.File; | |
831 | cdr.Result[3] = cdr.Channel; | |
832 | cdr.Result[4] = 0; | |
833 | cdr.Result[5] = 0; | |
834 | cdr.Stat = Acknowledge; | |
835 | break; | |
ef79bbde | 836 | |
9f8b032d | 837 | case CdlGetlocL: |
ef79bbde | 838 | SetResultSize(8); |
9f8b032d | 839 | for (i = 0; i < 8; i++) |
ef79bbde | 840 | cdr.Result[i] = cdr.Transfer[i]; |
9f8b032d | 841 | cdr.Stat = Acknowledge; |
842 | break; | |
ef79bbde P |
843 | |
844 | case CdlGetlocP: | |
fffad32e | 845 | SetResultSize(8); |
846 | memcpy(&cdr.Result, &cdr.subq, 8); | |
ef79bbde | 847 | |
892bd7d4 | 848 | if (!cdr.Play && !cdr.Reading) |
849 | cdr.Result[1] = 0; // HACK? | |
850 | ||
ef79bbde P |
851 | cdr.Stat = Acknowledge; |
852 | break; | |
853 | ||
9f8b032d | 854 | case CdlGetTN: |
ef79bbde P |
855 | cdr.CmdProcess = 0; |
856 | SetResultSize(3); | |
9f8b032d | 857 | cdr.StatP |= STATUS_ROTATING; |
858 | cdr.Result[0] = cdr.StatP; | |
859 | if (CDR_getTN(cdr.ResultTN) == -1) { | |
ef79bbde | 860 | cdr.Stat = DiskError; |
9f8b032d | 861 | cdr.Result[0] |= STATUS_ERROR; |
862 | } else { | |
863 | cdr.Stat = Acknowledge; | |
864 | cdr.Result[1] = itob(cdr.ResultTN[0]); | |
865 | cdr.Result[2] = itob(cdr.ResultTN[1]); | |
866 | } | |
867 | break; | |
ef79bbde | 868 | |
9f8b032d | 869 | case CdlGetTD: |
ef79bbde P |
870 | cdr.CmdProcess = 0; |
871 | cdr.Track = btoi(cdr.Param[0]); | |
872 | SetResultSize(4); | |
9f8b032d | 873 | cdr.StatP |= STATUS_ROTATING; |
ef79bbde P |
874 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
875 | cdr.Stat = DiskError; | |
9f8b032d | 876 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
877 | } else { |
878 | cdr.Stat = Acknowledge; | |
879 | cdr.Result[0] = cdr.StatP; | |
880 | cdr.Result[1] = itob(cdr.ResultTD[2]); | |
881 | cdr.Result[2] = itob(cdr.ResultTD[1]); | |
882 | cdr.Result[3] = itob(cdr.ResultTD[0]); | |
883 | } | |
884 | break; | |
885 | ||
9f8b032d | 886 | case CdlSeekL: |
39df67df | 887 | case CdlSeekP: |
ef79bbde | 888 | SetResultSize(1); |
9f8b032d | 889 | cdr.StatP |= STATUS_ROTATING; |
890 | cdr.Result[0] = cdr.StatP; | |
891 | cdr.StatP |= STATUS_SEEK; | |
892 | cdr.Stat = Acknowledge; | |
893 | ||
894 | /* | |
895 | Crusaders of Might and Magic = 0.5x-4x | |
896 | - fix cutscene speech start | |
897 | ||
898 | Eggs of Steel = 2x-? | |
899 | - fix new game | |
900 | ||
901 | Medievil = ?-4x | |
902 | - fix cutscene speech | |
903 | ||
904 | Rockman X5 = 0.5-4x | |
905 | - fix capcom logo | |
906 | */ | |
39df67df | 907 | CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4); |
892bd7d4 | 908 | cdr.Seeked = SEEK_PENDING; |
ef79bbde P |
909 | break; |
910 | ||
911 | case CdlTest: | |
9f8b032d | 912 | cdr.Stat = Acknowledge; |
913 | switch (cdr.Param[0]) { | |
914 | case 0x20: // System Controller ROM Version | |
ef79bbde P |
915 | SetResultSize(4); |
916 | memcpy(cdr.Result, Test20, 4); | |
917 | break; | |
918 | case 0x22: | |
919 | SetResultSize(8); | |
920 | memcpy(cdr.Result, Test22, 4); | |
921 | break; | |
922 | case 0x23: case 0x24: | |
923 | SetResultSize(8); | |
924 | memcpy(cdr.Result, Test23, 4); | |
925 | break; | |
9f8b032d | 926 | } |
ef79bbde P |
927 | break; |
928 | ||
9f8b032d | 929 | case CdlID: |
ef79bbde | 930 | SetResultSize(1); |
9f8b032d | 931 | cdr.StatP |= STATUS_ROTATING; |
932 | cdr.Result[0] = cdr.StatP; | |
933 | cdr.Stat = Acknowledge; | |
934 | AddIrqQueue(CdlID + 0x20, 0x800); | |
ef79bbde P |
935 | break; |
936 | ||
937 | case CdlID + 0x20: | |
938 | SetResultSize(8); | |
89ec56af | 939 | cdr.Result[0] = cdr.StatP; |
940 | cdr.Result[1] = 0; | |
941 | cdr.Result[2] = 0; | |
942 | cdr.Result[3] = 0; | |
9f8b032d | 943 | |
d8432250 | 944 | // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed |
945 | if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) { | |
946 | cdr.Result[1] = 0xc0; | |
9f8b032d | 947 | } |
948 | else { | |
89ec56af | 949 | if (stat.Type == 2) |
950 | cdr.Result[1] |= 0x10; | |
951 | if (CdromId[0] == '\0') | |
9f8b032d | 952 | cdr.Result[1] |= 0x80; |
9f8b032d | 953 | } |
89ec56af | 954 | cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08; |
9f8b032d | 955 | |
ef79bbde P |
956 | strncpy((char *)&cdr.Result[4], "PCSX", 4); |
957 | cdr.Stat = Complete; | |
958 | break; | |
959 | ||
960 | case CdlReset: | |
961 | SetResultSize(1); | |
9f8b032d | 962 | cdr.StatP = STATUS_ROTATING; |
ef79bbde | 963 | cdr.Result[0] = cdr.StatP; |
9f8b032d | 964 | cdr.Stat = Acknowledge; |
ef79bbde P |
965 | break; |
966 | ||
9f8b032d | 967 | case CdlReadT: |
968 | SetResultSize(1); | |
969 | cdr.StatP |= STATUS_ROTATING; | |
970 | cdr.Result[0] = cdr.StatP; | |
971 | cdr.Stat = Acknowledge; | |
972 | AddIrqQueue(CdlReadT + 0x20, 0x800); | |
973 | break; | |
974 | ||
975 | case CdlReadT + 0x20: | |
976 | SetResultSize(1); | |
977 | cdr.StatP |= STATUS_ROTATING; | |
978 | cdr.Result[0] = cdr.StatP; | |
979 | cdr.Stat = Complete; | |
980 | break; | |
981 | ||
982 | case CdlReadToc: | |
ef79bbde | 983 | SetResultSize(1); |
9f8b032d | 984 | cdr.StatP |= STATUS_ROTATING; |
985 | cdr.Result[0] = cdr.StatP; | |
986 | cdr.Stat = Acknowledge; | |
89ec56af | 987 | AddIrqQueue(CdlReadToc + 0x20, cdReadTime * 16); |
ef79bbde P |
988 | break; |
989 | ||
9f8b032d | 990 | case CdlReadToc + 0x20: |
ef79bbde | 991 | SetResultSize(1); |
9f8b032d | 992 | cdr.StatP |= STATUS_ROTATING; |
993 | cdr.Result[0] = cdr.StatP; | |
994 | cdr.Stat = Complete; | |
ef79bbde P |
995 | break; |
996 | ||
94c118c3 | 997 | case CdlReadN: |
998 | case CdlReadS: | |
ef79bbde P |
999 | if (!cdr.Reading) return; |
1000 | ||
9f8b032d | 1001 | // Fighting Force 2 - update subq time immediately |
1002 | // - fixes new game | |
73b29eeb | 1003 | Find_CurTrack(cdr.SetSector); |
1004 | ReadTrack(cdr.SetSector); | |
9f8b032d | 1005 | |
1006 | ||
1007 | // Crusaders of Might and Magic - update getlocl now | |
1008 | // - fixes cutscene speech | |
1009 | { | |
1010 | u8 *buf = CDR_getBuffer(); | |
a48ae3a7 | 1011 | if (buf != NULL) |
1012 | memcpy(cdr.Transfer, buf, 8); | |
9f8b032d | 1013 | } |
39df67df | 1014 | |
9f8b032d | 1015 | /* |
1016 | Duke Nukem: Land of the Babes - seek then delay read for one frame | |
1017 | - fixes cutscenes | |
914722b2 | 1018 | C-12 - Final Resistance - doesn't like seek |
9f8b032d | 1019 | */ |
1020 | ||
39df67df | 1021 | if (cdr.Seeked != SEEK_DONE) { |
9f8b032d | 1022 | cdr.StatP |= STATUS_SEEK; |
1023 | cdr.StatP &= ~STATUS_READ; | |
1024 | ||
1025 | // Crusaders of Might and Magic - use short time | |
1026 | // - fix cutscene speech (startup) | |
1027 | ||
1028 | // ??? - use more accurate seek time later | |
1029 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
1030 | } else { | |
1031 | cdr.StatP |= STATUS_READ; | |
1032 | cdr.StatP &= ~STATUS_SEEK; | |
1033 | ||
1034 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); | |
1035 | } | |
ef79bbde | 1036 | |
ef79bbde | 1037 | SetResultSize(1); |
9f8b032d | 1038 | cdr.StatP |= STATUS_ROTATING; |
1039 | cdr.Result[0] = cdr.StatP; | |
1040 | cdr.Stat = Acknowledge; | |
ef79bbde P |
1041 | break; |
1042 | ||
ef79bbde P |
1043 | default: |
1044 | cdr.Stat = Complete; | |
1045 | break; | |
1046 | } | |
1047 | ||
9f8b032d | 1048 | Check_Shell( Irq ); |
1049 | ||
2daaaae3 | 1050 | cdr.ParamC = 0; |
1051 | ||
94c118c3 | 1052 | setIrq(); |
ef79bbde | 1053 | |
8b380e97 | 1054 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1055 | SysPrintf("IRQ %d cmd %02x stat %02x: ", |
1056 | !!(cdr.Stat & cdr.Reg2), Irq, cdr.Stat); | |
39df67df | 1057 | for (i = 0; i < cdr.ResultC; i++) |
8b380e97 | 1058 | SysPrintf("%02x ", cdr.Result[i]); |
1059 | SysPrintf("\n"); | |
ef79bbde P |
1060 | #endif |
1061 | } | |
1062 | ||
53598a71 | 1063 | #ifdef __ARM_ARCH_7A__ |
1064 | #define ssat32_to_16(v) \ | |
1065 | asm("ssat %0,#16,%1" : "=r" (v) : "r" (v)) | |
1066 | #else | |
1067 | #define ssat32_to_16(v) do { \ | |
1068 | if (v < -32768) v = -32768; \ | |
1069 | else if (v > 32767) v = 32767; \ | |
1070 | } while (0) | |
1071 | #endif | |
1072 | ||
1073 | void cdrAttenuate(s16 *buf, int samples, int stereo) | |
1074 | { | |
1075 | int i, l, r; | |
1076 | int ll = cdr.AttenuatorLeftToLeft; | |
1077 | int lr = cdr.AttenuatorLeftToRight; | |
1078 | int rl = cdr.AttenuatorRightToLeft; | |
1079 | int rr = cdr.AttenuatorRightToRight; | |
1080 | ||
1081 | if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88) | |
1082 | return; | |
1083 | ||
1084 | if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40) | |
1085 | return; | |
1086 | ||
1087 | if (stereo) { | |
1088 | for (i = 0; i < samples; i++) { | |
1089 | l = buf[i * 2]; | |
1090 | r = buf[i * 2 + 1]; | |
1091 | l = (l * ll + r * rl) >> 7; | |
1092 | r = (r * rr + l * lr) >> 7; | |
1093 | ssat32_to_16(l); | |
1094 | ssat32_to_16(r); | |
1095 | buf[i * 2] = l; | |
1096 | buf[i * 2 + 1] = r; | |
1097 | } | |
1098 | } | |
1099 | else { | |
1100 | for (i = 0; i < samples; i++) { | |
1101 | l = buf[i]; | |
1102 | l = l * (ll + rl) >> 7; | |
1103 | //r = r * (rr + lr) >> 7; | |
1104 | ssat32_to_16(l); | |
1105 | //ssat32_to_16(r); | |
1106 | buf[i] = l; | |
1107 | } | |
1108 | } | |
1109 | } | |
1110 | ||
ef79bbde P |
1111 | void cdrReadInterrupt() { |
1112 | u8 *buf; | |
1113 | ||
1114 | if (!cdr.Reading) | |
1115 | return; | |
1116 | ||
9f8b032d | 1117 | if (cdr.Irq || cdr.Stat) { |
8b380e97 | 1118 | CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat); |
e7e33ef2 | 1119 | CDREAD_INT(0x1000); |
ef79bbde P |
1120 | return; |
1121 | } | |
1122 | ||
9f8b032d | 1123 | cdr.OCUP = 1; |
ef79bbde | 1124 | SetResultSize(1); |
9f8b032d | 1125 | cdr.StatP |= STATUS_READ|STATUS_ROTATING; |
1126 | cdr.StatP &= ~STATUS_SEEK; | |
1127 | cdr.Result[0] = cdr.StatP; | |
39df67df | 1128 | cdr.Seeked = SEEK_DONE; |
ef79bbde | 1129 | |
73b29eeb | 1130 | ReadTrack(cdr.SetSector); |
ef79bbde P |
1131 | |
1132 | buf = CDR_getBuffer(); | |
1133 | if (buf == NULL) | |
1134 | cdr.RErr = -1; | |
1135 | ||
1136 | if (cdr.RErr == -1) { | |
8b380e97 | 1137 | CDR_LOG_I("cdrReadInterrupt() Log: err\n"); |
ef79bbde P |
1138 | memset(cdr.Transfer, 0, DATA_SIZE); |
1139 | cdr.Stat = DiskError; | |
9f8b032d | 1140 | cdr.Result[0] |= STATUS_ERROR; |
ef79bbde P |
1141 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
1142 | return; | |
1143 | } | |
1144 | ||
1145 | memcpy(cdr.Transfer, buf, DATA_SIZE); | |
1146 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); | |
1147 | ||
ef79bbde | 1148 | |
8b380e97 | 1149 | CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
ef79bbde | 1150 | |
9f8b032d | 1151 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
1152 | // Firemen 2: Multi-XA files - briefings, cutscenes | |
1153 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { | |
1154 | cdr.File = cdr.Transfer[4 + 0]; | |
1155 | cdr.Channel = cdr.Transfer[4 + 1]; | |
1156 | } | |
1157 | ||
cd0c9f5b | 1158 | if((cdr.Transfer[4 + 2] & 0x4) && |
9f8b032d | 1159 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
cd0c9f5b | 1160 | (cdr.Transfer[4 + 0] == cdr.File)) { |
ef79bbde | 1161 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); |
ef79bbde | 1162 | if (!ret) { |
53598a71 | 1163 | cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo); |
ef79bbde P |
1164 | SPU_playADPCMchannel(&cdr.Xa); |
1165 | cdr.FirstSector = 0; | |
1166 | } | |
1167 | else cdr.FirstSector = -1; | |
1168 | } | |
1169 | } | |
1170 | ||
1171 | cdr.SetSector[2]++; | |
9f8b032d | 1172 | if (cdr.SetSector[2] == 75) { |
1173 | cdr.SetSector[2] = 0; | |
1174 | cdr.SetSector[1]++; | |
1175 | if (cdr.SetSector[1] == 60) { | |
1176 | cdr.SetSector[1] = 0; | |
1177 | cdr.SetSector[0]++; | |
1178 | } | |
1179 | } | |
1180 | ||
1181 | cdr.Readed = 0; | |
1182 | ||
a34a2445 | 1183 | CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); |
9f8b032d | 1184 | |
1185 | /* | |
1186 | Croc 2: $40 - only FORM1 (*) | |
1187 | Judge Dredd: $C8 - only FORM1 (*) | |
1188 | Sim Theme Park - no adpcm at all (zero) | |
1189 | */ | |
1190 | ||
a34a2445 | 1191 | if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) { |
9f8b032d | 1192 | cdr.Stat = DataReady; |
a34a2445 | 1193 | setIrq(); |
ef79bbde | 1194 | } |
9f8b032d | 1195 | |
fffad32e | 1196 | // update for CdlGetlocP |
73b29eeb | 1197 | ReadTrack(cdr.SetSector); |
fffad32e | 1198 | |
9f8b032d | 1199 | Check_Shell(0); |
ef79bbde P |
1200 | } |
1201 | ||
1202 | /* | |
1203 | cdrRead0: | |
94c118c3 | 1204 | bit 0,1 - mode |
ef79bbde P |
1205 | bit 2 - unknown |
1206 | bit 3 - unknown | |
1207 | bit 4 - unknown | |
1208 | bit 5 - 1 result ready | |
1209 | bit 6 - 1 dma ready | |
1210 | bit 7 - 1 command being processed | |
1211 | */ | |
1212 | ||
1213 | unsigned char cdrRead0(void) { | |
1214 | if (cdr.ResultReady) | |
1215 | cdr.Ctrl |= 0x20; | |
1216 | else | |
1217 | cdr.Ctrl &= ~0x20; | |
1218 | ||
1219 | if (cdr.OCUP) | |
1220 | cdr.Ctrl |= 0x40; | |
1221 | // else | |
1222 | // cdr.Ctrl &= ~0x40; | |
1223 | ||
1224 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios | |
1225 | cdr.Ctrl |= 0x18; | |
1226 | ||
8b380e97 | 1227 | CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl); |
ef79bbde P |
1228 | |
1229 | return psxHu8(0x1800) = cdr.Ctrl; | |
1230 | } | |
1231 | ||
ef79bbde | 1232 | void cdrWrite0(unsigned char rt) { |
8b380e97 | 1233 | CDR_LOG_IO("cdr w0: %02x\n", rt); |
1234 | ||
50b13be9 | 1235 | cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3); |
ef79bbde P |
1236 | } |
1237 | ||
1238 | unsigned char cdrRead1(void) { | |
94c118c3 | 1239 | if ((cdr.ResultP & 0xf) < cdr.ResultC) |
9f8b032d | 1240 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
94c118c3 | 1241 | else |
ef79bbde | 1242 | psxHu8(0x1801) = 0; |
94c118c3 | 1243 | cdr.ResultP++; |
1244 | if (cdr.ResultP == cdr.ResultC) | |
1245 | cdr.ResultReady = 0; | |
1246 | ||
8b380e97 | 1247 | CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801)); |
1248 | ||
ef79bbde P |
1249 | return psxHu8(0x1801); |
1250 | } | |
1251 | ||
1252 | void cdrWrite1(unsigned char rt) { | |
305c8c93 | 1253 | u8 set_loc[3]; |
ef79bbde P |
1254 | int i; |
1255 | ||
8b380e97 | 1256 | CDR_LOG_IO("cdr w1: %02x\n", rt); |
9f8b032d | 1257 | |
94c118c3 | 1258 | switch (cdr.Ctrl & 3) { |
1259 | case 0: | |
1260 | break; | |
1261 | case 3: | |
53598a71 | 1262 | cdr.AttenuatorRightToRightT = rt; |
94c118c3 | 1263 | return; |
1264 | default: | |
1265 | return; | |
9f8b032d | 1266 | } |
1267 | ||
9f8b032d | 1268 | cdr.Cmd = rt; |
ef79bbde P |
1269 | cdr.OCUP = 0; |
1270 | ||
8b380e97 | 1271 | #ifdef CDR_LOG_CMD_IRQ |
89ec56af | 1272 | SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
ef79bbde P |
1273 | if (cdr.ParamC) { |
1274 | SysPrintf(" Param[%d] = {", cdr.ParamC); | |
1275 | for (i = 0; i < cdr.ParamC; i++) | |
1276 | SysPrintf(" %x,", cdr.Param[i]); | |
1277 | SysPrintf("}\n"); | |
1278 | } else { | |
1279 | SysPrintf("\n"); | |
1280 | } | |
1281 | #endif | |
1282 | ||
2daaaae3 | 1283 | cdr.ResultReady = 0; |
94c118c3 | 1284 | cdr.Ctrl |= 0x80; |
1285 | // cdr.Stat = NoIntr; | |
1286 | AddIrqQueue(cdr.Cmd, 0x800); | |
2daaaae3 | 1287 | |
9f8b032d | 1288 | switch (cdr.Cmd) { |
94c118c3 | 1289 | case CdlSync: |
1290 | case CdlNop: | |
1291 | case CdlForward: | |
1292 | case CdlBackward: | |
1293 | case CdlReadT: | |
1294 | case CdlTest: | |
1295 | case CdlID: | |
1296 | case CdlReadToc: | |
1297 | case CdlGetmode: | |
1298 | case CdlGetlocL: | |
1299 | case CdlGetlocP: | |
1300 | case CdlGetTD: | |
1301 | break; | |
ef79bbde | 1302 | |
94c118c3 | 1303 | case CdlSetloc: |
9f8b032d | 1304 | StopReading(); |
9f8b032d | 1305 | for (i = 0; i < 3; i++) |
914722b2 | 1306 | set_loc[i] = btoi(cdr.Param[i]); |
39df67df | 1307 | |
2d5ca6c0 | 1308 | // FIXME: clean up this SetSector/SetSectorPlay mess, |
1309 | // there should be single var tracking current sector pos | |
1310 | if (cdr.Play) | |
1311 | i = msf2sec(cdr.SetSectorPlay); | |
1312 | else | |
1313 | i = msf2sec(cdr.SetSector); | |
1314 | i = abs(i - msf2sec(set_loc)); | |
914722b2 | 1315 | if (i > 16) |
94c118c3 | 1316 | cdr.Seeked = SEEK_PENDING; |
39df67df | 1317 | |
914722b2 | 1318 | memcpy(cdr.SetSector, set_loc, 3); |
94c118c3 | 1319 | cdr.SetSector[3] = 0; |
1320 | break; | |
ef79bbde | 1321 | |
94c118c3 | 1322 | case CdlPlay: |
9f8b032d | 1323 | // Vib Ribbon: try same track again |
1324 | StopCdda(); | |
1325 | ||
9f8b032d | 1326 | // Vib Ribbon - decoded buffer IRQ for CDDA reading |
1327 | // - fixes ribbon timing + music CD mode | |
9f8b032d | 1328 | //CDRDBUF_INT( PSXCLK / 44100 * 0x100 ); |
1329 | ||
9f8b032d | 1330 | cdr.Play = TRUE; |
1331 | ||
1332 | cdr.StatP |= STATUS_SEEK; | |
1333 | cdr.StatP &= ~STATUS_ROTATING; | |
94c118c3 | 1334 | break; |
9f8b032d | 1335 | |
94c118c3 | 1336 | case CdlReadN: |
9f8b032d | 1337 | StopReading(); |
94c118c3 | 1338 | cdr.Reading = 1; |
1339 | cdr.FirstSector = 1; | |
1340 | cdr.Readed = 0xff; | |
9f8b032d | 1341 | break; |
ef79bbde | 1342 | |
94c118c3 | 1343 | case CdlStandby: |
9f8b032d | 1344 | StopCdda(); |
1345 | StopReading(); | |
94c118c3 | 1346 | break; |
ef79bbde | 1347 | |
94c118c3 | 1348 | case CdlStop: |
9f8b032d | 1349 | // GameShark CD Player: Reset CDDA to track start |
2d5ca6c0 | 1350 | if (cdr.Play) { |
9f8b032d | 1351 | // grab time for current track |
1352 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); | |
1353 | ||
1354 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; | |
1355 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; | |
1356 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; | |
1357 | } | |
1358 | ||
1359 | StopCdda(); | |
1360 | StopReading(); | |
94c118c3 | 1361 | break; |
9f8b032d | 1362 | |
94c118c3 | 1363 | case CdlPause: |
9f8b032d | 1364 | /* |
1365 | GameShark CD Player: save time for resume | |
1366 | ||
aa1f7284 | 1367 | Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors |
1368 | */ | |
ef79bbde | 1369 | |
9f8b032d | 1370 | StopCdda(); |
1371 | StopReading(); | |
9f8b032d | 1372 | break; |
1373 | ||
1374 | case CdlReset: | |
94c118c3 | 1375 | case CdlInit: |
39df67df | 1376 | cdr.Seeked = SEEK_DONE; |
9f8b032d | 1377 | StopCdda(); |
1378 | StopReading(); | |
94c118c3 | 1379 | break; |
9f8b032d | 1380 | |
94c118c3 | 1381 | case CdlMute: |
1382 | cdr.Muted = TRUE; | |
9f8b032d | 1383 | // Duke Nukem - Time to Kill |
1384 | // - do not directly set cd-xa volume | |
1385 | //SPU_writeRegister( H_CDLeft, 0x0000 ); | |
1386 | //SPU_writeRegister( H_CDRight, 0x0000 ); | |
94c118c3 | 1387 | break; |
ef79bbde | 1388 | |
94c118c3 | 1389 | case CdlDemute: |
1390 | cdr.Muted = FALSE; | |
9f8b032d | 1391 | |
1392 | // Duke Nukem - Time to Kill | |
1393 | // - do not directly set cd-xa volume | |
1394 | //SPU_writeRegister( H_CDLeft, 0x7f00 ); | |
1395 | //SPU_writeRegister( H_CDRight, 0x7f00 ); | |
94c118c3 | 1396 | break; |
ef79bbde P |
1397 | |
1398 | case CdlSetfilter: | |
1399 | cdr.File = cdr.Param[0]; | |
1400 | cdr.Channel = cdr.Param[1]; | |
ef79bbde P |
1401 | break; |
1402 | ||
1403 | case CdlSetmode: | |
9f8b032d | 1404 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
8b380e97 | 1405 | |
ef79bbde | 1406 | cdr.Mode = cdr.Param[0]; |
9f8b032d | 1407 | |
1408 | // Squaresoft on PlayStation 1998 Collector's CD Vol. 1 | |
1409 | // - fixes choppy movie sound | |
1410 | if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 ) | |
1411 | StopCdda(); | |
ef79bbde P |
1412 | break; |
1413 | ||
ef79bbde | 1414 | case CdlGetTN: |
9f8b032d | 1415 | //AddIrqQueue(cdr.Cmd, 0x800); |
1416 | ||
1417 | // GameShark CDX CD Player: very long time | |
1418 | AddIrqQueue(cdr.Cmd, 0x100000); | |
1419 | break; | |
ef79bbde | 1420 | |
ef79bbde | 1421 | case CdlSeekL: |
ef79bbde | 1422 | case CdlSeekP: |
9f8b032d | 1423 | // Tomb Raider 2 - reset cdda |
1424 | StopCdda(); | |
1425 | StopReading(); | |
9f8b032d | 1426 | break; |
1427 | ||
ef79bbde | 1428 | case CdlReadS: |
9f8b032d | 1429 | StopReading(); |
94c118c3 | 1430 | cdr.Reading = 2; |
1431 | cdr.FirstSector = 1; | |
1432 | cdr.Readed = 0xff; | |
9f8b032d | 1433 | break; |
ef79bbde | 1434 | |
94c118c3 | 1435 | default: |
2daaaae3 | 1436 | cdr.ParamC = 0; |
8b380e97 | 1437 | CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd); |
9f8b032d | 1438 | return; |
1439 | } | |
ef79bbde P |
1440 | } |
1441 | ||
1442 | unsigned char cdrRead2(void) { | |
1443 | unsigned char ret; | |
1444 | ||
1445 | if (cdr.Readed == 0) { | |
1446 | ret = 0; | |
1447 | } else { | |
8e1040b6 | 1448 | ret = *pTransfer++; |
ef79bbde P |
1449 | } |
1450 | ||
8b380e97 | 1451 | CDR_LOG_IO("cdr r2: %02x\n", ret); |
ef79bbde P |
1452 | return ret; |
1453 | } | |
1454 | ||
1455 | void cdrWrite2(unsigned char rt) { | |
8b380e97 | 1456 | CDR_LOG_IO("cdr w2: %02x\n", rt); |
9f8b032d | 1457 | |
94c118c3 | 1458 | switch (cdr.Ctrl & 3) { |
1459 | case 0: | |
1460 | if (cdr.ParamC < 8) // FIXME: size and wrapping | |
1461 | cdr.Param[cdr.ParamC++] = rt; | |
1462 | return; | |
1463 | case 1: | |
1464 | cdr.Reg2 = rt; | |
1465 | setIrq(); | |
1466 | return; | |
1467 | case 2: | |
53598a71 | 1468 | cdr.AttenuatorLeftToLeftT = rt; |
94c118c3 | 1469 | return; |
1470 | case 3: | |
53598a71 | 1471 | cdr.AttenuatorRightToLeftT = rt; |
94c118c3 | 1472 | return; |
ef79bbde P |
1473 | } |
1474 | } | |
1475 | ||
1476 | unsigned char cdrRead3(void) { | |
94c118c3 | 1477 | if (cdr.Ctrl & 0x1) |
1478 | psxHu8(0x1803) = cdr.Stat | 0xE0; | |
1479 | else | |
1480 | psxHu8(0x1803) = cdr.Reg2 | 0xE0; | |
8b380e97 | 1481 | |
1482 | CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803)); | |
ef79bbde P |
1483 | return psxHu8(0x1803); |
1484 | } | |
1485 | ||
1486 | void cdrWrite3(unsigned char rt) { | |
8b380e97 | 1487 | CDR_LOG_IO("cdr w3: %02x\n", rt); |
056d6759 | 1488 | |
94c118c3 | 1489 | switch (cdr.Ctrl & 3) { |
1490 | case 0: | |
a34a2445 | 1491 | break; // transfer |
94c118c3 | 1492 | case 1: |
a34a2445 | 1493 | cdr.Stat &= ~rt; |
1494 | ||
1495 | if (rt & 0x40) | |
1496 | cdr.ParamC = 0; | |
1497 | return; | |
94c118c3 | 1498 | case 2: |
53598a71 | 1499 | cdr.AttenuatorLeftToRightT = rt; |
94c118c3 | 1500 | return; |
1501 | case 3: | |
53598a71 | 1502 | if (rt & 0x20) { |
1503 | memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4); | |
1504 | CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n", | |
1505 | cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight, | |
1506 | cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight); | |
1507 | } | |
94c118c3 | 1508 | return; |
9f8b032d | 1509 | } |
056d6759 | 1510 | |
94c118c3 | 1511 | if ((rt & 0x80) && cdr.Readed == 0) { |
ef79bbde | 1512 | cdr.Readed = 1; |
8e1040b6 | 1513 | pTransfer = cdr.Transfer; |
ef79bbde P |
1514 | |
1515 | switch (cdr.Mode & 0x30) { | |
9f8b032d | 1516 | case MODE_SIZE_2328: |
ef79bbde | 1517 | case 0x00: |
8e1040b6 | 1518 | pTransfer += 12; |
ef79bbde | 1519 | break; |
9f8b032d | 1520 | |
1521 | case MODE_SIZE_2340: | |
8e1040b6 | 1522 | pTransfer += 0; |
9f8b032d | 1523 | break; |
1524 | ||
ef79bbde P |
1525 | default: |
1526 | break; | |
1527 | } | |
1528 | } | |
1529 | } | |
1530 | ||
1531 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { | |
1532 | u32 cdsize; | |
c7071c43 | 1533 | int size; |
ef79bbde P |
1534 | u8 *ptr; |
1535 | ||
ef79bbde | 1536 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
ef79bbde P |
1537 | |
1538 | switch (chcr) { | |
1539 | case 0x11000000: | |
1540 | case 0x11400100: | |
1541 | if (cdr.Readed == 0) { | |
ef79bbde | 1542 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
ef79bbde P |
1543 | break; |
1544 | } | |
1545 | ||
1546 | cdsize = (bcr & 0xffff) * 4; | |
1547 | ||
9f8b032d | 1548 | // Ape Escape: bcr = 0001 / 0000 |
1549 | // - fix boot | |
1550 | if( cdsize == 0 ) | |
1551 | { | |
cd0c9f5b | 1552 | switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) { |
9f8b032d | 1553 | case MODE_SIZE_2340: cdsize = 2340; break; |
cd0c9f5b | 1554 | case MODE_SIZE_2328: cdsize = 2328; break; |
1555 | default: | |
1556 | case MODE_SIZE_2048: cdsize = 2048; break; | |
9f8b032d | 1557 | } |
1558 | } | |
1559 | ||
1560 | ||
ef79bbde P |
1561 | ptr = (u8 *)PSXM(madr); |
1562 | if (ptr == NULL) { | |
ef79bbde | 1563 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
ef79bbde P |
1564 | break; |
1565 | } | |
9f8b032d | 1566 | |
1567 | /* | |
1568 | GS CDX: Enhancement CD crash | |
1569 | - Setloc 0:0:0 | |
1570 | - CdlPlay | |
1571 | - Spams DMA3 and gets buffer overrun | |
1572 | */ | |
8e1040b6 | 1573 | size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer); |
c7071c43 | 1574 | if (size > cdsize) |
1575 | size = cdsize; | |
1576 | if (size > 0) | |
9f8b032d | 1577 | { |
8e1040b6 | 1578 | memcpy(ptr, pTransfer, size); |
9f8b032d | 1579 | } |
1580 | ||
ef79bbde | 1581 | psxCpu->Clear(madr, cdsize / 4); |
8e1040b6 | 1582 | pTransfer += cdsize; |
9f8b032d | 1583 | |
1584 | ||
1585 | // burst vs normal | |
1586 | if( chcr == 0x11400100 ) { | |
1587 | CDRDMA_INT( (cdsize/4) / 4 ); | |
1588 | } | |
1589 | else if( chcr == 0x11000000 ) { | |
1590 | CDRDMA_INT( (cdsize/4) * 1 ); | |
1591 | } | |
1592 | return; | |
1593 | ||
ef79bbde | 1594 | default: |
ef79bbde | 1595 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
ef79bbde P |
1596 | break; |
1597 | } | |
1598 | ||
1599 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1600 | DMA_INTERRUPT(3); | |
1601 | } | |
1602 | ||
9f8b032d | 1603 | void cdrDmaInterrupt() |
1604 | { | |
ad418c19 | 1605 | if (HW_DMA3_CHCR & SWAP32(0x01000000)) |
1606 | { | |
1607 | HW_DMA3_CHCR &= SWAP32(~0x01000000); | |
1608 | DMA_INTERRUPT(3); | |
1609 | } | |
9f8b032d | 1610 | } |
1611 | ||
fffad32e | 1612 | static void getCdInfo(void) |
1613 | { | |
1614 | u8 tmp; | |
1615 | ||
1616 | CDR_getTN(cdr.ResultTN); | |
1617 | CDR_getTD(0, cdr.SetSectorEnd); | |
1618 | tmp = cdr.SetSectorEnd[0]; | |
1619 | cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2]; | |
1620 | cdr.SetSectorEnd[2] = tmp; | |
1621 | } | |
1622 | ||
ef79bbde P |
1623 | void cdrReset() { |
1624 | memset(&cdr, 0, sizeof(cdr)); | |
1625 | cdr.CurTrack = 1; | |
1626 | cdr.File = 1; | |
1627 | cdr.Channel = 1; | |
a2d3ccb8 | 1628 | cdr.Reg2 = 0x1f; |
1629 | cdr.Stat = NoIntr; | |
8e1040b6 | 1630 | pTransfer = cdr.Transfer; |
056d6759 | 1631 | |
1632 | // BIOS player - default values | |
53598a71 | 1633 | cdr.AttenuatorLeftToLeft = 0x80; |
1634 | cdr.AttenuatorLeftToRight = 0x00; | |
1635 | cdr.AttenuatorRightToLeft = 0x00; | |
1636 | cdr.AttenuatorRightToRight = 0x80; | |
fffad32e | 1637 | |
1638 | getCdInfo(); | |
ef79bbde P |
1639 | } |
1640 | ||
496d88d4 | 1641 | int cdrFreeze(void *f, int Mode) { |
8e1040b6 | 1642 | u32 tmp; |
fffad32e | 1643 | u8 tmpp[3]; |
ef79bbde | 1644 | |
fffad32e | 1645 | if (Mode == 0 && !Config.Cdda) |
1646 | CDR_stop(); | |
9f8b032d | 1647 | |
c69642c8 | 1648 | cdr.freeze_ver = 0x63647201; |
9f8b032d | 1649 | gzfreeze(&cdr, sizeof(cdr)); |
1650 | ||
94c118c3 | 1651 | if (Mode == 1) { |
1652 | cdr.ParamP = cdr.ParamC; | |
8e1040b6 | 1653 | tmp = pTransfer - cdr.Transfer; |
94c118c3 | 1654 | } |
ef79bbde P |
1655 | |
1656 | gzfreeze(&tmp, sizeof(tmp)); | |
1657 | ||
42f3c512 | 1658 | if (Mode == 0) { |
fffad32e | 1659 | getCdInfo(); |
1660 | ||
8e1040b6 | 1661 | pTransfer = cdr.Transfer + tmp; |
ef79bbde | 1662 | |
fffad32e | 1663 | // read right sub data |
1664 | memcpy(tmpp, cdr.Prev, 3); | |
1665 | cdr.Prev[0]++; | |
73b29eeb | 1666 | ReadTrack(tmpp); |
fffad32e | 1667 | |
1668 | if (cdr.Play) { | |
1669 | Find_CurTrack(cdr.SetSectorPlay); | |
1670 | if (!Config.Cdda) | |
1671 | CDR_play(cdr.SetSectorPlay); | |
1672 | } | |
c69642c8 | 1673 | |
1674 | if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) { | |
1675 | // old versions did not latch Reg2, have to fixup.. | |
1676 | if (cdr.Reg2 == 0) { | |
1677 | SysPrintf("cdrom: fixing up old savestate\n"); | |
1678 | cdr.Reg2 = 7; | |
1679 | } | |
1680 | } | |
42f3c512 | 1681 | } |
1682 | ||
ef79bbde P |
1683 | return 0; |
1684 | } | |
9f8b032d | 1685 | |
1686 | void LidInterrupt() { | |
1687 | cdr.LidCheck = 0x20; // start checker | |
1688 | ||
fffad32e | 1689 | getCdInfo(); |
1690 | ||
1691 | StopCdda(); | |
9f8b032d | 1692 | CDRLID_INT( cdReadTime * 3 ); |
a34a2445 | 1693 | |
9f8b032d | 1694 | // generate interrupt if none active - open or close |
1695 | if (cdr.Irq == 0 || cdr.Irq == 0xff) { | |
1696 | cdr.Ctrl |= 0x80; | |
1697 | cdr.Stat = NoIntr; | |
1698 | AddIrqQueue(CdlNop, 0x800); | |
1699 | } | |
1700 | } |