1 /***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
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. *
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. *
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 ***************************************************************************/
21 * Handles all CD-ROM registers and functions.
30 #define CDR_LOG SysPrintf
35 #define CDR_LOG_I SysPrintf
37 #define CDR_LOG_I(...)
40 #define CDR_LOG_IO SysPrintf
42 #define CDR_LOG_IO(...)
44 //#define CDR_LOG_CMD_IRQ
47 static unsigned char *pTransfer;
49 /* CD-ROM magic numbers */
63 #define CdlSetfilter 13
73 #define CdlSetclock 23
74 #define CdlGetclock 24
84 #define REPPLAY_ACK 252
87 /* don't set 255, it's reserved */
89 char *CmdName[0x100]= {
90 "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
91 "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
92 "CdlStop", "CdlPause", "CdlInit", "CdlMute",
93 "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode",
94 "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN",
95 "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock",
96 "CdlGetclock", "CdlTest", "CdlID", "CdlReadS",
97 "CdlReset", NULL, "CDlReadToc", NULL
100 unsigned char Test04[] = { 0 };
101 unsigned char Test05[] = { 0 };
102 unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
103 unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
104 unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
110 #define Acknowledge 3
115 #define MODE_SPEED (1<<7) // 0x80
116 #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
117 #define MODE_SIZE_2340 (1<<5) // 0x20
118 #define MODE_SIZE_2328 (1<<4) // 0x10
119 #define MODE_SF (1<<3) // 0x08 channel on/off
120 #define MODE_REPORT (1<<2) // 0x04
121 #define MODE_AUTOPAUSE (1<<1) // 0x02
122 #define MODE_CDDA (1<<0) // 0x01
125 #define STATUS_PLAY (1<<7) // 0x80
126 #define STATUS_SEEK (1<<6) // 0x40
127 #define STATUS_READ (1<<5) // 0x20
128 #define STATUS_SHELLOPEN (1<<4) // 0x10
129 #define STATUS_UNKNOWN3 (1<<3) // 0x08
130 #define STATUS_UNKNOWN2 (1<<2) // 0x04
131 #define STATUS_ROTATING (1<<1) // 0x02
132 #define STATUS_ERROR (1<<0) // 0x01
136 // 1x = 75 sectors per second
137 // PSXCLK = 1 sec in the ps
138 // so (PSXCLK / 75) = cdr read time (linuzappz)
139 #define cdReadTime (PSXCLK / 75)
148 static struct CdrStat stat;
150 static unsigned int msf2sec(u8 *msf) {
151 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
154 static void sec2msf(unsigned int s, u8 *msf) {
155 msf[0] = s / 75 / 60;
156 s = s - msf[0] * 75 * 60;
163 #define CDR_INT(eCycle) { \
164 psxRegs.interrupt |= (1 << PSXINT_CDR); \
165 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
166 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
167 new_dyna_set_event(PSXINT_CDR, eCycle); \
171 #define CDREAD_INT(eCycle) { \
172 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
173 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
174 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
175 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
178 // cdrLidSeekInterrupt
179 #define CDRLID_INT(eCycle) { \
180 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
181 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
182 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
183 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
187 #define CDRMISC_INT(eCycle) { \
188 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
189 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
190 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
191 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
194 #define StartReading(type, eCycle) { \
195 cdr.Reading = type; \
196 cdr.FirstSector = 1; \
198 AddIrqQueue(READ_ACK, eCycle); \
201 #define StopReading() { \
204 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
206 cdr.StatP &= ~STATUS_READ;\
209 #define StopCdda() { \
211 if (!Config.Cdda) CDR_stop(); \
212 cdr.StatP &= ~STATUS_PLAY; \
214 cdr.FastForward = 0; \
215 cdr.FastBackward = 0; \
216 /*SPU_registerCallback( SPUirq );*/ \
220 #define SetResultSize(size) { \
222 cdr.ResultC = size; \
223 cdr.ResultReady = 1; \
227 void cdrLidSeekInterrupt()
229 // turn back on checking
230 if( cdr.LidCheck == 0x10 )
235 // official lid close
236 else if( cdr.LidCheck == 0x30 )
239 cdr.StatP |= STATUS_ROTATING;
242 // GS CDX 3.3 - ~50 getlocp tries
243 CDRLID_INT( cdReadTime * 3 );
248 else if( cdr.LidCheck == 0x40 )
251 cdr.StatP &= ~STATUS_SHELLOPEN;
252 cdr.StatP &= ~STATUS_ROTATING;
255 // GS CDX 3.3 - ~50 getlocp tries
256 CDRLID_INT( cdReadTime * 3 );
261 else if( cdr.LidCheck == 0x50 )
263 // GameShark Lite: Start seeking ($42)
264 cdr.StatP |= STATUS_SEEK;
265 cdr.StatP |= STATUS_ROTATING;
266 cdr.StatP &= ~STATUS_ERROR;
269 CDRLID_INT( cdReadTime * 3 );
274 else if( cdr.LidCheck == 0x60 )
276 // GameShark Lite: Seek detection done ($02)
277 cdr.StatP &= ~STATUS_SEEK;
283 static void Check_Shell( int Irq )
285 // check case open/close
286 if (cdr.LidCheck > 0)
288 CDR_LOG( "LidCheck\n" );
290 // $20 = check lid state
291 if( cdr.LidCheck == 0x20 )
296 if (CDR_getStatus(&stat) != -1)
298 // BIOS hangs + BIOS error messages
299 //if (stat.Type == 0xff)
300 //cdr.Stat = DiskError;
303 if (stat.Status & STATUS_SHELLOPEN)
305 // Vib Ribbon: pre-CD swap
309 // GameShark Lite: Death if DiskError happens
311 // Vib Ribbon: Needs DiskError for CD swap
315 cdr.Stat = DiskError;
317 cdr.StatP |= STATUS_ERROR;
318 cdr.Result[0] |= STATUS_ERROR;
321 // GameShark Lite: Wants -exactly- $10
322 cdr.StatP |= STATUS_SHELLOPEN;
323 cdr.StatP &= ~STATUS_ROTATING;
326 CDRLID_INT( cdReadTime * 3 );
334 else if ( i & STATUS_SHELLOPEN )
336 cdr.StatP |= STATUS_ROTATING;
341 if( cdr.Stat == NoIntr )
342 cdr.Stat = Acknowledge;
344 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
347 // begin close-seek-ready cycle
348 CDRLID_INT( cdReadTime * 3 );
352 // GameShark Lite: Wants -exactly- $42, then $02
353 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
356 // case still closed - wait for recheck
359 CDRLID_INT( cdReadTime * 3 );
366 // GS CDX: clear all values but #1,#2
367 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
370 memset( cdr.Result, 0, 16 );
372 cdr.Result[0] = cdr.StatP;
375 // GS CDX: special return value
376 if( cdr.StatP & STATUS_SHELLOPEN )
378 cdr.Result[1] = 0x80;
382 if( cdr.Stat == NoIntr )
383 cdr.Stat = Acknowledge;
385 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
391 void Find_CurTrack() {
394 if (CDR_getTN(cdr.ResultTN) != -1) {
397 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
398 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
401 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
402 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
403 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
406 // find next track boundary - only need m:s accuracy
407 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
408 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
410 // Twisted Metal 4 - psx cdda pregap (2-sec)
411 // - fix in-game music
414 if( sect1 >= sect2 ) {
425 static void ReadTrack( u8 *time ) {
426 cdr.Prev[0] = itob( time[0] );
427 cdr.Prev[1] = itob( time[1] );
428 cdr.Prev[2] = itob( time[2] );
430 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
431 cdr.RErr = CDR_readTrack(cdr.Prev);
435 static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
436 if (cdr.Irq != 0 && cdr.Irq != 0xff)
437 CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
448 if (CDR_getTN(cdr.ResultTN) != -1) {
451 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
452 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
453 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
454 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
455 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
458 // check if time matches track start (only need min, sec accuracy)
460 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
461 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
462 // skip pregap frames
463 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
464 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
468 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
476 static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
477 static void Create_Fake_Subq()
479 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
482 if (CDR_getTN(cdr.ResultTN) == -1) return;
483 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
485 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
487 // last track - cd size
489 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
492 if( cdr.Play == TRUE ) {
493 temp_cur[0] = cdr.SetSectorPlay[0];
494 temp_cur[1] = cdr.SetSectorPlay[1];
495 temp_cur[2] = cdr.SetSectorPlay[2];
497 temp_cur[0] = btoi( cdr.Prev[0] );
498 temp_cur[1] = btoi( cdr.Prev[1] );
499 temp_cur[2] = btoi( cdr.Prev[2] );
502 fake_subq_real[0] = temp_cur[0];
503 fake_subq_real[1] = temp_cur[1];
504 fake_subq_real[2] = temp_cur[2];
506 temp_next[0] = cdr.ResultTD[2];
507 temp_next[1] = cdr.ResultTD[1];
508 temp_next[2] = cdr.ResultTD[0];
512 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
513 fake_subq_change = 1;
518 if( pregap == 0 ) StopCdda();
521 //////////////////////////////////////////////////
522 //////////////////////////////////////////////////
525 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
526 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
528 // last track - cd size
529 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
532 temp_start[0] = cdr.ResultTD[2];
533 temp_start[1] = cdr.ResultTD[1];
534 temp_start[2] = cdr.ResultTD[0];
537 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
538 temp_cur[0], temp_cur[1], temp_cur[2],
539 temp_start[0], temp_start[1], temp_start[2],
540 temp_next[0], temp_next[1], temp_next[2]);
544 // local time - pregap / real
545 diff = msf2sec(temp_cur) - msf2sec( temp_start );
549 sec2msf( -diff, fake_subq_local );
553 sec2msf( diff, fake_subq_local );
558 static void cdrPlayInterrupt_Autopause()
560 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
561 int track_changed = 0;
564 ReadTrack( cdr.SetSectorPlay );
566 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
567 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
572 Silhouette Mirage ($3)
576 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
577 // (how does real thing handle those?)
578 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
582 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
583 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
585 track_changed = fake_subq_change;
586 fake_subq_change = 0;
589 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
590 CDR_LOG( "CDDA STOP\n" );
592 // Magic the Gathering
593 // - looping territory cdda
596 //cdr.ResultReady = 1;
597 //cdr.Stat = DataReady;
599 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
603 else if (cdr.Mode & MODE_REPORT) {
605 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
606 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
608 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
609 //cdr.CurTrack = btoi( subq->TrackNumber );
611 if (subq->AbsoluteAddress[2] & 0xf)
614 cdr.Result[0] = cdr.StatP;
615 // BIOS CD Player: data already BCD format
616 cdr.Result[1] = subq->TrackNumber;
617 cdr.Result[2] = subq->IndexNumber;
619 cdr.Result[3] = subq->AbsoluteAddress[0];
620 cdr.Result[4] = subq->AbsoluteAddress[1];
621 cdr.Result[5] = subq->AbsoluteAddress[2];
623 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
624 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
626 if (fake_subq_real[2] & 0xf)
629 cdr.Result[0] = cdr.StatP;
631 cdr.Result[1] = itob(cdr.CurTrack);
632 cdr.Result[2] = itob(fake_subq_index);
634 cdr.Result[3] = itob( fake_subq_real[0] );
635 cdr.Result[4] = itob( fake_subq_real[1] );
636 cdr.Result[5] = itob( fake_subq_real[2] );
639 // Rayman: Logo freeze (resultready + dataready)
641 cdr.Stat = DataReady;
644 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
649 void cdrPlayInterrupt()
651 if (cdr.Seeked == SEEK_DOING_CMD) {
653 CDR_LOG_I("cdrom: seek stat hack\n");
658 cdr.StatP |= STATUS_ROTATING;
659 cdr.StatP &= ~STATUS_SEEK;
660 cdr.Result[0] = cdr.StatP;
661 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
663 if (cdr.Reg2 != 0x18)
664 psxHu32ref(0x1070) |= SWAP32(0x4);
667 cdr.Seeked = SEEK_PENDING;
668 CDRMISC_INT(cdReadTime * 20); // ???
671 else if (cdr.Seeked == SEEK_PENDING) {
672 cdr.Seeked = SEEK_DONE;
673 if (!cdr.Play && !cdr.Reading) {
674 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
676 ReadTrack(cdr.SetSector);
680 if (!cdr.Play) return;
682 CDR_LOG( "CDDA - %d:%d:%d\n",
683 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
685 CDRMISC_INT( cdReadTime );
687 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
688 cdrPlayInterrupt_Autopause();
690 cdr.SetSectorPlay[2]++;
691 if (cdr.SetSectorPlay[2] == 75) {
692 cdr.SetSectorPlay[2] = 0;
693 cdr.SetSectorPlay[1]++;
694 if (cdr.SetSectorPlay[1] == 60) {
695 cdr.SetSectorPlay[1] = 0;
696 cdr.SetSectorPlay[0]++;
703 void cdrInterrupt() {
705 unsigned char Irq = cdr.Irq;
710 CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
721 cdr.StatP |= STATUS_ROTATING;
722 cdr.Result[0] = cdr.StatP;
723 cdr.Stat = Acknowledge;
728 cdr.Result[0] = cdr.StatP;
729 cdr.Stat = Acknowledge;
731 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
737 cdr.StatP |= STATUS_ROTATING;
738 cdr.Result[0] = cdr.StatP;
739 cdr.Stat = Acknowledge;
743 fake_subq_change = 0;
745 if (cdr.Seeked == SEEK_PENDING) {
746 // XXX: wrong, should seek instead..
747 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
748 cdr.Seeked = SEEK_DONE;
752 Rayman: detect track changes
755 Twisted Metal 2: skip PREGAP + starting accurate SubQ
756 - plays tracks without retry play
758 Wild 9: skip PREGAP + starting accurate SubQ
759 - plays tracks without retry play
761 /* unneeded with correct cdriso?
765 ReadTrack( cdr.SetSectorPlay );
767 // GameShark CD Player: Calls 2x + Play 2x
768 if( cdr.FastBackward || cdr.FastForward ) {
769 if( cdr.FastForward ) cdr.FastForward--;
770 if( cdr.FastBackward ) cdr.FastBackward--;
772 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
773 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
774 cdr.SetSectorPlay[0] = stat.Time[0];
775 cdr.SetSectorPlay[1] = stat.Time[1];
776 cdr.SetSectorPlay[2] = stat.Time[2];
784 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
786 // GameShark CD Player: Resume play
787 if( cdr.ParamC == 0 ) {
788 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
789 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
791 //CDR_play( cdr.SetSectorPlay );
795 // BIOS CD Player: Resume play
796 if( cdr.Param[0] == 0 ) {
797 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
798 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
800 //CDR_play( cdr.SetSectorPlay );
803 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
804 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
806 // BIOS CD Player: Allow track replaying
810 cdr.CurTrack = btoi( cdr.Param[0] );
812 if (CDR_getTN(cdr.ResultTN) != -1) {
814 if (cdr.CurTrack > cdr.ResultTN[1])
815 cdr.CurTrack = cdr.ResultTN[1];
817 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
818 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
819 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
820 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
825 ReadTrack( cdr.SetSectorPlay );
827 //CDR_play(cdr.SetSectorPlay);
835 // Vib Ribbon: gameplay checks flag
836 cdr.StatP &= ~STATUS_SEEK;
841 cdr.StatP |= STATUS_ROTATING;
842 cdr.Result[0] = cdr.StatP;
843 cdr.Stat = Acknowledge;
845 cdr.StatP |= STATUS_PLAY;
848 // BIOS player - set flag again
851 CDRMISC_INT( cdReadTime );
857 cdr.StatP |= STATUS_ROTATING;
858 cdr.Result[0] = cdr.StatP;
862 // GameShark CD Player: Calls 2x + Play 2x
863 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
864 else cdr.FastForward++;
866 cdr.FastBackward = 0;
872 cdr.StatP |= STATUS_ROTATING;
873 cdr.Result[0] = cdr.StatP;
877 // GameShark CD Player: Calls 2x + Play 2x
878 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
879 else cdr.FastBackward++;
887 cdr.StatP |= STATUS_ROTATING;
888 cdr.Result[0] = cdr.StatP;
895 cdr.StatP &= ~STATUS_ROTATING;
896 cdr.Result[0] = cdr.StatP;
898 // cdr.Stat = Acknowledge;
900 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
905 cdr.Result[0] = cdr.StatP;
906 cdr.Stat = Acknowledge;
909 Gundam Battle Assault 2: much slower (*)
910 - Fixes boot, gameplay
912 Hokuto no Ken 2: slower
913 - Fixes intro + subtitles
915 InuYasha - Feudal Fairy Tale: slower
918 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
922 case CdlPause + 0x20:
924 cdr.StatP &= ~STATUS_READ;
925 cdr.StatP |= STATUS_ROTATING;
926 cdr.Result[0] = cdr.StatP;
932 cdr.StatP = STATUS_ROTATING;
933 cdr.Result[0] = cdr.StatP;
934 cdr.Stat = Acknowledge;
936 AddIrqQueue(CdlInit + 0x20, 0x800);
942 cdr.Result[0] = cdr.StatP;
949 cdr.StatP |= STATUS_ROTATING;
950 cdr.Result[0] = cdr.StatP;
951 cdr.Stat = Acknowledge;
956 cdr.StatP |= STATUS_ROTATING;
957 cdr.Result[0] = cdr.StatP;
958 cdr.Stat = Acknowledge;
963 cdr.StatP |= STATUS_ROTATING;
964 cdr.Result[0] = cdr.StatP;
965 cdr.Stat = Acknowledge;
970 cdr.StatP |= STATUS_ROTATING;
971 cdr.Result[0] = cdr.StatP;
972 cdr.Stat = Acknowledge;
977 cdr.StatP |= STATUS_ROTATING;
978 cdr.Result[0] = cdr.StatP;
979 cdr.Result[1] = cdr.Mode;
980 cdr.Result[2] = cdr.File;
981 cdr.Result[3] = cdr.Channel;
984 cdr.Stat = Acknowledge;
989 for (i = 0; i < 8; i++)
990 cdr.Result[i] = cdr.Transfer[i];
991 cdr.Stat = Acknowledge;
995 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
997 memset( cdr.Result, 0, 16 );
999 subq = (struct SubQ *)CDR_getBufferSub();
1002 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1004 ReadTrack( cdr.SetSectorPlay );
1006 cdr.Result[0] = subq->TrackNumber;
1007 cdr.Result[1] = subq->IndexNumber;
1008 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
1009 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
1012 // subQ integrity check - data only (skip audio)
1013 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
1014 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
1015 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
1019 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1023 // track # / index #
1024 cdr.Result[0] = itob(cdr.CurTrack);
1025 cdr.Result[1] = itob(fake_subq_index);
1028 cdr.Result[2] = itob( fake_subq_local[0] );
1029 cdr.Result[3] = itob( fake_subq_local[1] );
1030 cdr.Result[4] = itob( fake_subq_local[2] );
1033 cdr.Result[5] = itob( fake_subq_real[0] );
1034 cdr.Result[6] = itob( fake_subq_real[1] );
1035 cdr.Result[7] = itob( fake_subq_real[2] );
1038 // redump.org - wipe time
1039 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
1040 memset( cdr.Result+2, 0, 6 );
1043 cdr.Stat = Acknowledge;
1047 // 5-Star Racing: don't stop CDDA
1049 // Vib Ribbon: CD swap
1054 cdr.StatP |= STATUS_ROTATING;
1055 cdr.Result[0] = cdr.StatP;
1056 if (CDR_getTN(cdr.ResultTN) == -1) {
1057 cdr.Stat = DiskError;
1058 cdr.Result[0] |= STATUS_ERROR;
1060 cdr.Stat = Acknowledge;
1061 cdr.Result[1] = itob(cdr.ResultTN[0]);
1062 cdr.Result[2] = itob(cdr.ResultTN[1]);
1068 cdr.Track = btoi(cdr.Param[0]);
1070 cdr.StatP |= STATUS_ROTATING;
1071 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1072 cdr.Stat = DiskError;
1073 cdr.Result[0] |= STATUS_ERROR;
1075 cdr.Stat = Acknowledge;
1076 cdr.Result[0] = cdr.StatP;
1077 cdr.Result[1] = itob(cdr.ResultTD[2]);
1078 cdr.Result[2] = itob(cdr.ResultTD[1]);
1079 cdr.Result[3] = itob(cdr.ResultTD[0]);
1086 cdr.StatP |= STATUS_ROTATING;
1087 cdr.Result[0] = cdr.StatP;
1088 cdr.StatP |= STATUS_SEEK;
1089 cdr.Stat = Acknowledge;
1092 Crusaders of Might and Magic = 0.5x-4x
1093 - fix cutscene speech start
1095 Eggs of Steel = 2x-?
1099 - fix cutscene speech
1104 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1105 cdr.Seeked = SEEK_DOING_CMD;
1109 cdr.Stat = Acknowledge;
1110 switch (cdr.Param[0]) {
1111 case 0x20: // System Controller ROM Version
1113 memcpy(cdr.Result, Test20, 4);
1117 memcpy(cdr.Result, Test22, 4);
1119 case 0x23: case 0x24:
1121 memcpy(cdr.Result, Test23, 4);
1128 cdr.StatP |= STATUS_ROTATING;
1129 cdr.Result[0] = cdr.StatP;
1130 cdr.Stat = Acknowledge;
1131 AddIrqQueue(CdlID + 0x20, 0x800);
1137 if (CDR_getStatus(&stat) == -1) {
1138 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1139 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1142 if (stat.Type == 2) {
1144 cdr.Result[0] = 0x08;
1145 cdr.Result[1] = 0x10;
1147 cdr.Result[1] |= 0x80;
1151 if (CdromId[0] == '\0') {
1152 cdr.Result[0] = 0x00;
1153 cdr.Result[1] = 0x80;
1156 cdr.Result[0] = 0x08;
1157 cdr.Result[1] = 0x00;
1162 cdr.Result[2] = 0x00;
1163 cdr.Result[3] = 0x00;
1164 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1165 cdr.Stat = Complete;
1170 cdr.StatP = STATUS_ROTATING;
1171 cdr.Result[0] = cdr.StatP;
1172 cdr.Stat = Acknowledge;
1177 cdr.StatP |= STATUS_ROTATING;
1178 cdr.Result[0] = cdr.StatP;
1179 cdr.Stat = Acknowledge;
1180 AddIrqQueue(CdlReadT + 0x20, 0x800);
1183 case CdlReadT + 0x20:
1185 cdr.StatP |= STATUS_ROTATING;
1186 cdr.Result[0] = cdr.StatP;
1187 cdr.Stat = Complete;
1192 cdr.StatP |= STATUS_ROTATING;
1193 cdr.Result[0] = cdr.StatP;
1194 cdr.Stat = Acknowledge;
1195 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1198 case CdlReadToc + 0x20:
1200 cdr.StatP |= STATUS_ROTATING;
1201 cdr.Result[0] = cdr.StatP;
1202 cdr.Stat = Complete;
1207 /* SetResultSize(1);
1213 cdr.Result[0] = cdr.StatP;
1215 */ AddIrqQueue(CdlPause, 0x800);
1219 if (!cdr.Reading) return;
1222 // Fighting Force 2 - update subq time immediately
1224 ReadTrack( cdr.SetSector );
1227 // Crusaders of Might and Magic - update getlocl now
1228 // - fixes cutscene speech
1230 u8 *buf = CDR_getBuffer();
1232 memcpy(cdr.Transfer, buf, 8);
1236 Duke Nukem: Land of the Babes - seek then delay read for one frame
1238 C-12 - Final Resistance - doesn't like seek
1241 if (cdr.Seeked != SEEK_DONE) {
1242 cdr.StatP |= STATUS_SEEK;
1243 cdr.StatP &= ~STATUS_READ;
1245 // Crusaders of Might and Magic - use short time
1246 // - fix cutscene speech (startup)
1248 // ??? - use more accurate seek time later
1249 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1251 cdr.StatP |= STATUS_READ;
1252 cdr.StatP &= ~STATUS_SEEK;
1254 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1258 cdr.StatP |= STATUS_ROTATING;
1259 cdr.Result[0] = cdr.StatP;
1260 cdr.Stat = Acknowledge;
1267 cdr.Stat = Complete;
1276 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1277 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1280 #ifdef CDR_LOG_CMD_IRQ
1281 SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ",
1282 cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq);
1283 for (i = 0; i < cdr.ResultC; i++)
1284 SysPrintf("%02x ", cdr.Result[i]);
1289 void cdrReadInterrupt() {
1295 if (cdr.Irq || cdr.Stat) {
1296 CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1303 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1304 cdr.StatP &= ~STATUS_SEEK;
1305 cdr.Result[0] = cdr.StatP;
1306 cdr.Seeked = SEEK_DONE;
1308 ReadTrack( cdr.SetSector );
1310 buf = CDR_getBuffer();
1314 if (cdr.RErr == -1) {
1315 CDR_LOG_I("cdrReadInterrupt() Log: err\n");
1316 memset(cdr.Transfer, 0, DATA_SIZE);
1317 cdr.Stat = DiskError;
1318 cdr.Result[0] |= STATUS_ERROR;
1319 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1323 memcpy(cdr.Transfer, buf, DATA_SIZE);
1324 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1327 CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1329 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1330 // Firemen 2: Multi-XA files - briefings, cutscenes
1331 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1332 cdr.File = cdr.Transfer[4 + 0];
1333 cdr.Channel = cdr.Transfer[4 + 1];
1336 if ((cdr.Transfer[4 + 2] & 0x4) &&
1337 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1338 (cdr.Transfer[4 + 0] == cdr.File)) {
1339 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1342 // only handle attenuator basic channel switch for now
1343 if (cdr.Xa.stereo) {
1345 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1346 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1348 for (i = 0; i < cdr.Xa.nsamples; i++)
1349 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1351 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1352 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1354 for (i = 0; i < cdr.Xa.nsamples; i++)
1355 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1359 SPU_playADPCMchannel(&cdr.Xa);
1360 cdr.FirstSector = 0;
1363 // Crash Team Racing: music, speech
1364 // - done using cdda decoded buffer (spu irq)
1367 // signal ADPCM data ready
1368 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
1371 else cdr.FirstSector = -1;
1376 if (cdr.SetSector[2] == 75) {
1377 cdr.SetSector[2] = 0;
1379 if (cdr.SetSector[1] == 60) {
1380 cdr.SetSector[1] = 0;
1387 // G-Police: Don't autopause ADPCM even if mode set (music)
1388 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1389 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
1391 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1393 // AddIrqQueue(AUTOPAUSE, 0x2000);
1394 AddIrqQueue(CdlPause, 0x2000);
1397 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1401 Croc 2: $40 - only FORM1 (*)
1402 Judge Dredd: $C8 - only FORM1 (*)
1403 Sim Theme Park - no adpcm at all (zero)
1406 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1407 cdr.Stat = DataReady;
1409 // Breath of Fire 3 - fix inn sleeping
1410 // Rockman X5 - no music restart problem
1413 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1420 bit 0 - 0 REG1 command send / 1 REG1 data read
1421 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1425 bit 5 - 1 result ready
1427 bit 7 - 1 command being processed
1430 unsigned char cdrRead0(void) {
1431 if (cdr.ResultReady)
1439 // cdr.Ctrl &= ~0x40;
1441 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1444 CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
1446 return psxHu8(0x1800) = cdr.Ctrl;
1451 0 - to send a command / 1 - to get the result
1454 void cdrWrite0(unsigned char rt) {
1455 CDR_LOG_IO("cdr w0: %02x\n", rt);
1457 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1460 unsigned char cdrRead1(void) {
1461 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
1462 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1463 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1465 if (cdr.ResultP == cdr.ResultC)
1466 cdr.ResultReady = 0;
1470 CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
1472 return psxHu8(0x1801);
1475 void cdrWrite1(unsigned char rt) {
1479 CDR_LOG_IO("cdr w1: %02x\n", rt);
1481 // Tekken: CDXA fade-out
1482 if( (cdr.Ctrl & 3) == 3 ) {
1483 cdr.AttenuatorRight[0] = rt;
1487 // psxHu8(0x1801) = rt;
1491 #ifdef CDR_LOG_CMD_IRQ
1492 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1494 SysPrintf(" Param[%d] = {", cdr.ParamC);
1495 for (i = 0; i < cdr.ParamC; i++)
1496 SysPrintf(" %x,", cdr.Param[i]);
1503 if (cdr.Ctrl & 0x3) return;
1505 cdr.ResultReady = 0;
1511 AddIrqQueue(cdr.Cmd, 0x800);
1518 // Twisted Metal 3 - fix music
1519 AddIrqQueue(cdr.Cmd, 0x800);
1524 for (i = 0; i < 3; i++)
1525 set_loc[i] = btoi(cdr.Param[i]);
1527 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1529 cdr.Seeked = SEEK_PENDING;
1531 memcpy(cdr.SetSector, set_loc, 3);
1532 cdr.SetSector[3] = 0;
1536 AddIrqQueue(cdr.Cmd, 0x800);
1540 // Vib Ribbon: try same track again
1543 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1544 if (CDR_getTN(cdr.ResultTN) != -1) {
1545 if (cdr.CurTrack > cdr.ResultTN[1])
1546 cdr.CurTrack = cdr.ResultTN[1];
1547 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1548 int tmp = cdr.ResultTD[2];
1549 cdr.ResultTD[2] = cdr.ResultTD[0];
1550 cdr.ResultTD[0] = tmp;
1551 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1554 } else if (!Config.Cdda) {
1555 CDR_play(cdr.SetSector);
1558 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1559 // - fixes ribbon timing + music CD mode
1561 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1566 cdr.StatP |= STATUS_SEEK;
1567 cdr.StatP &= ~STATUS_ROTATING;
1571 AddIrqQueue(cdr.Cmd, 0x800);
1575 //if (cdr.CurTrack < 0xaa)
1579 AddIrqQueue(cdr.Cmd, 0x800);
1583 //if (cdr.CurTrack > 1)
1587 AddIrqQueue(cdr.Cmd, 0x800);
1595 StartReading(1, 0x800);
1603 AddIrqQueue(cdr.Cmd, 0x800);
1607 // GameShark CD Player: Reset CDDA to track start
1608 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1609 cdr.SetSectorPlay[0] = stat.Time[0];
1610 cdr.SetSectorPlay[1] = stat.Time[1];
1611 cdr.SetSectorPlay[2] = stat.Time[2];
1616 // grab time for current track
1617 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1619 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1620 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1621 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1629 AddIrqQueue(cdr.Cmd, 0x800);
1634 GameShark CD Player: save time for resume
1636 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1644 AddIrqQueue(cdr.Cmd, 0x800);
1649 cdr.Seeked = SEEK_DONE;
1654 AddIrqQueue(cdr.Cmd, 0x800);
1661 AddIrqQueue(cdr.Cmd, 0x800);
1663 // Duke Nukem - Time to Kill
1664 // - do not directly set cd-xa volume
1665 //SPU_writeRegister( H_CDLeft, 0x0000 );
1666 //SPU_writeRegister( H_CDRight, 0x0000 );
1673 AddIrqQueue(cdr.Cmd, 0x800);
1675 // Duke Nukem - Time to Kill
1676 // - do not directly set cd-xa volume
1677 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1678 //SPU_writeRegister( H_CDRight, 0x7f00 );
1682 cdr.File = cdr.Param[0];
1683 cdr.Channel = cdr.Param[1];
1686 AddIrqQueue(cdr.Cmd, 0x800);
1690 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1692 cdr.Mode = cdr.Param[0];
1695 AddIrqQueue(cdr.Cmd, 0x800);
1697 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1698 // - fixes choppy movie sound
1699 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1706 AddIrqQueue(cdr.Cmd, 0x800);
1713 // Crusaders of Might and Magic - cutscene speech
1714 AddIrqQueue(cdr.Cmd, 0x800);
1721 // GameShark CDX / Lite Player: pretty narrow time window
1722 // - doesn't always work due to time inprecision
1723 //AddIrqQueue(cdr.Cmd, 0x28);
1725 // Tomb Raider 2 - cdda
1726 //AddIrqQueue(cdr.Cmd, 0x40);
1728 // rearmed: the above works in pcsxr-svn, but breaks here
1729 // (TOCA world touring cars), perhaps some other code is not merged yet
1730 AddIrqQueue(cdr.Cmd, 0x1000);
1736 //AddIrqQueue(cdr.Cmd, 0x800);
1738 // GameShark CDX CD Player: very long time
1739 AddIrqQueue(cdr.Cmd, 0x100000);
1745 AddIrqQueue(cdr.Cmd, 0x800);
1749 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1752 AddIrqQueue(cdr.Cmd, 0x800);
1760 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1764 // Tomb Raider 2 - reset cdda
1768 AddIrqQueue(cdr.Cmd, 0x800);
1771 // Destruction Derby: read TOC? GetTD after this
1775 AddIrqQueue(cdr.Cmd, 0x800);
1781 AddIrqQueue(cdr.Cmd, 0x800);
1787 AddIrqQueue(cdr.Cmd, 0x800);
1795 StartReading(2, 0x800);
1801 AddIrqQueue(cdr.Cmd, 0x800);
1807 CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1810 if (cdr.Stat != NoIntr) {
1811 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1815 unsigned char cdrRead2(void) {
1818 if (cdr.Readed == 0) {
1824 CDR_LOG_IO("cdr r2: %02x\n", ret);
1828 void cdrWrite2(unsigned char rt) {
1829 CDR_LOG_IO("cdr w2: %02x\n", rt);
1831 // Tekken: CDXA fade-out
1832 if( (cdr.Ctrl & 3) == 2 ) {
1833 cdr.AttenuatorLeft[0] = rt;
1835 else if( (cdr.Ctrl & 3) == 3 ) {
1836 cdr.AttenuatorRight[1] = rt;
1840 if (cdr.Ctrl & 0x1) {
1845 cdr.ResultReady = 1; //0;
1846 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1853 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
1854 cdr.Param[cdr.ParamP++] = rt;
1859 unsigned char cdrRead3(void) {
1862 psxHu8(0x1803) = cdr.Stat | 0xE0;
1864 psxHu8(0x1803) = 0xff;
1869 CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
1870 return psxHu8(0x1803);
1873 void cdrWrite3(unsigned char rt) {
1874 CDR_LOG_IO("cdr w3: %02x\n", rt);
1876 // Tekken: CDXA fade-out
1877 if( (cdr.Ctrl & 3) == 2 ) {
1878 cdr.AttenuatorLeft[1] = rt;
1880 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1881 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1882 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1883 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1887 // GameShark CDX CD Player: Irq timing mania
1889 cdr.Irq != 0 && cdr.Irq != 0xff &&
1890 cdr.ResultReady == 0 ) {
1892 // GS CDX: ~0x28 cycle timing - way too precise
1893 if( cdr.Irq == CdlGetlocP ) {
1896 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1901 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
1904 if (cdr.Irq == 0xff) {
1909 // XA streaming - incorrect timing because of this reschedule
1910 // - Final Fantasy Tactics
1911 // - various other games
1913 if (cdr.Reading && !cdr.ResultReady) {
1914 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1915 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
1916 if (Config.CdrReschedule != 2)
1917 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1918 CDR_LOG_I("-- resched %d -> %d\n", left, time);
1926 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
1928 pTransfer = cdr.Transfer;
1930 switch (cdr.Mode & 0x30) {
1931 case MODE_SIZE_2328:
1936 case MODE_SIZE_2340:
1946 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1951 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1956 if (cdr.Readed == 0) {
1957 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1961 cdsize = (bcr & 0xffff) * 4;
1963 // Ape Escape: bcr = 0001 / 0000
1967 switch (cdr.Mode & 0x30) {
1968 case 0x00: cdsize = 2048; break;
1969 case MODE_SIZE_2328: cdsize = 2328; break;
1970 case MODE_SIZE_2340: cdsize = 2340; break;
1975 ptr = (u8 *)PSXM(madr);
1977 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1982 GS CDX: Enhancement CD crash
1985 - Spams DMA3 and gets buffer overrun
1987 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
1992 memcpy(ptr, pTransfer, size);
1995 psxCpu->Clear(madr, cdsize / 4);
1996 pTransfer += cdsize;
2000 if( chcr == 0x11400100 ) {
2001 CDRDMA_INT( (cdsize/4) / 4 );
2003 else if( chcr == 0x11000000 ) {
2004 CDRDMA_INT( (cdsize/4) * 1 );
2009 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2013 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2017 void cdrDmaInterrupt()
2019 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2021 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2027 memset(&cdr, 0, sizeof(cdr));
2031 pTransfer = cdr.Transfer;
2033 // BIOS player - default values
2034 cdr.AttenuatorLeft[0] = 0x80;
2035 cdr.AttenuatorLeft[1] = 0x00;
2036 cdr.AttenuatorRight[0] = 0x80;
2037 cdr.AttenuatorRight[1] = 0x00;
2040 int cdrFreeze(void *f, int Mode) {
2047 gzfreeze(&cdr, sizeof(cdr));
2050 tmp = pTransfer - cdr.Transfer;
2052 gzfreeze(&tmp, sizeof(tmp));
2055 pTransfer = cdr.Transfer + tmp;
2057 if (cdr.Play && !Config.Cdda)
2058 CDR_play(cdr.SetSectorPlay);
2064 void LidInterrupt() {
2065 cdr.LidCheck = 0x20; // start checker
2067 CDRLID_INT( cdReadTime * 3 );
2069 // generate interrupt if none active - open or close
2070 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2073 AddIrqQueue(CdlNop, 0x800);