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;
48 static int subq_broken;
50 /* CD-ROM magic numbers */
64 #define CdlSetfilter 13
74 #define CdlSetclock 23
75 #define CdlGetclock 24
82 char *CmdName[0x100]= {
83 "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
84 "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
85 "CdlStop", "CdlPause", "CdlInit", "CdlMute",
86 "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode",
87 "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN",
88 "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock",
89 "CdlGetclock", "CdlTest", "CdlID", "CdlReadS",
90 "CdlReset", NULL, "CDlReadToc", NULL
93 unsigned char Test04[] = { 0 };
94 unsigned char Test05[] = { 0 };
95 unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
96 unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
97 unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
103 #define Acknowledge 3
108 #define MODE_SPEED (1<<7) // 0x80
109 #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
110 #define MODE_SIZE_2340 (1<<5) // 0x20
111 #define MODE_SIZE_2328 (1<<4) // 0x10
112 #define MODE_SF (1<<3) // 0x08 channel on/off
113 #define MODE_REPORT (1<<2) // 0x04
114 #define MODE_AUTOPAUSE (1<<1) // 0x02
115 #define MODE_CDDA (1<<0) // 0x01
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
129 // 1x = 75 sectors per second
130 // PSXCLK = 1 sec in the ps
131 // so (PSXCLK / 75) = cdr read time (linuzappz)
132 #define cdReadTime (PSXCLK / 75)
140 static struct CdrStat stat;
142 static unsigned int msf2sec(const u8 *msf) {
143 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
146 // for that weird psemu API..
147 static unsigned int fsm2sec(const u8 *msf) {
148 return ((msf[2] * 60 + msf[1]) * 75) + msf[0];
151 static void sec2msf(unsigned int s, u8 *msf) {
152 msf[0] = s / 75 / 60;
153 s = s - msf[0] * 75 * 60;
160 #define CDR_INT(eCycle) { \
161 psxRegs.interrupt |= (1 << PSXINT_CDR); \
162 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
163 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
164 new_dyna_set_event(PSXINT_CDR, eCycle); \
168 #define CDREAD_INT(eCycle) { \
169 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
170 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
171 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
172 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
175 // cdrLidSeekInterrupt
176 #define CDRLID_INT(eCycle) { \
177 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
178 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
179 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
180 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
184 #define CDRMISC_INT(eCycle) { \
185 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
186 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
187 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
188 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
191 #define StopReading() { \
194 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
196 cdr.StatP &= ~STATUS_READ;\
199 #define StopCdda() { \
201 if (!Config.Cdda) CDR_stop(); \
202 cdr.StatP &= ~STATUS_PLAY; \
204 cdr.FastForward = 0; \
205 cdr.FastBackward = 0; \
206 /*SPU_registerCallback( SPUirq );*/ \
210 #define SetResultSize(size) { \
212 cdr.ResultC = size; \
213 cdr.ResultReady = 1; \
216 static void setIrq(void)
218 if (cdr.Stat & cdr.Reg2)
219 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
222 void cdrLidSeekInterrupt()
224 // turn back on checking
225 if( cdr.LidCheck == 0x10 )
230 // official lid close
231 else if( cdr.LidCheck == 0x30 )
234 cdr.StatP |= STATUS_ROTATING;
237 // GS CDX 3.3 - ~50 getlocp tries
238 CDRLID_INT( cdReadTime * 3 );
243 else if( cdr.LidCheck == 0x40 )
246 cdr.StatP &= ~STATUS_SHELLOPEN;
247 cdr.StatP &= ~STATUS_ROTATING;
250 // GS CDX 3.3 - ~50 getlocp tries
251 CDRLID_INT( cdReadTime * 3 );
256 else if( cdr.LidCheck == 0x50 )
258 // GameShark Lite: Start seeking ($42)
259 cdr.StatP |= STATUS_SEEK;
260 cdr.StatP |= STATUS_ROTATING;
261 cdr.StatP &= ~STATUS_ERROR;
264 CDRLID_INT( cdReadTime * 3 );
269 else if( cdr.LidCheck == 0x60 )
271 // GameShark Lite: Seek detection done ($02)
272 cdr.StatP &= ~STATUS_SEEK;
278 static void Check_Shell( int Irq )
280 // check case open/close
281 if (cdr.LidCheck > 0)
283 CDR_LOG( "LidCheck\n" );
285 // $20 = check lid state
286 if( cdr.LidCheck == 0x20 )
291 if (CDR_getStatus(&stat) != -1)
293 // BIOS hangs + BIOS error messages
294 //if (stat.Type == 0xff)
295 //cdr.Stat = DiskError;
298 if (stat.Status & STATUS_SHELLOPEN)
300 // Vib Ribbon: pre-CD swap
304 // GameShark Lite: Death if DiskError happens
306 // Vib Ribbon: Needs DiskError for CD swap
310 cdr.Stat = DiskError;
312 cdr.StatP |= STATUS_ERROR;
313 cdr.Result[0] |= STATUS_ERROR;
316 // GameShark Lite: Wants -exactly- $10
317 cdr.StatP |= STATUS_SHELLOPEN;
318 cdr.StatP &= ~STATUS_ROTATING;
321 CDRLID_INT( cdReadTime * 3 );
329 else if ( i & STATUS_SHELLOPEN )
331 cdr.StatP |= STATUS_ROTATING;
336 if( cdr.Stat == NoIntr )
337 cdr.Stat = Acknowledge;
341 // begin close-seek-ready cycle
342 CDRLID_INT( cdReadTime * 3 );
346 // GameShark Lite: Wants -exactly- $42, then $02
347 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
350 // case still closed - wait for recheck
353 CDRLID_INT( cdReadTime * 3 );
360 // GS CDX: clear all values but #1,#2
361 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
364 memset( cdr.Result, 0, 16 );
366 cdr.Result[0] = cdr.StatP;
369 // GS CDX: special return value
370 if( cdr.StatP & STATUS_SHELLOPEN )
372 cdr.Result[1] = 0x80;
376 if( cdr.Stat == NoIntr )
377 cdr.Stat = Acknowledge;
384 static void Find_CurTrack(const u8 *time)
388 current = msf2sec(time);
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)
398 static void ReadTrack(const u8 *time, int after_seek) {
399 unsigned char tmp[3];
401 int track, old_track;
404 tmp[0] = itob(time[0]);
405 tmp[1] = itob(time[1]);
406 tmp[2] = itob(time[2]);
408 if (memcmp(cdr.Prev, tmp, 3) == 0)
411 CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]);
413 cdr.RErr = CDR_readTrack(tmp);
414 memcpy(cdr.Prev, tmp, 3);
416 cdr.TrackChanged = FALSE;
421 subq = (struct SubQ *)CDR_getBufferSub();
422 if (subq != NULL && !subq_broken) {
423 crc = calcCrc((u8 *)subq + 12, 10);
424 old_track = btoi(cdr.subq.Track);
425 track = btoi(subq->TrackNumber);
427 // track checks are probably wrong, but deals with corrupted
428 // subq + good checksum
429 // (how does the real thing handle that?)
430 if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])
431 && (after_seek || track == old_track || track == old_track + 1)) {
432 cdr.subq.Track = subq->TrackNumber;
433 cdr.subq.Index = subq->IndexNumber;
434 memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3);
435 memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3);
437 if (track == cdr.CurTrack + 1) {
439 cdr.TrackChanged = TRUE;
443 CDR_LOG_I("ignore subq @%02x:%02x:%02x\n",
444 tmp[0], tmp[1], tmp[2]);
448 unsigned char start[3], next[3];
449 unsigned int this_s, start_s, next_s, pregap;
452 CDR_getTD(cdr.CurTrack, start);
453 if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) {
455 CDR_getTD(cdr.CurTrack + 1, next);
458 // last track - cd size
460 next[0] = cdr.SetSectorEnd[2];
461 next[1] = cdr.SetSectorEnd[1];
462 next[2] = cdr.SetSectorEnd[0];
465 this_s = msf2sec(time);
466 start_s = fsm2sec(start);
467 next_s = fsm2sec(next);
469 if (next_s - this_s < pregap) {
470 cdr.TrackChanged = TRUE;
477 relative_s = this_s - start_s;
478 if (relative_s < 0) {
480 relative_s = -relative_s;
482 sec2msf(relative_s, cdr.subq.Relative);
484 cdr.subq.Track = itob(cdr.CurTrack);
485 cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]);
486 cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]);
487 cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]);
488 cdr.subq.Absolute[0] = tmp[0];
489 cdr.subq.Absolute[1] = tmp[1];
490 cdr.subq.Absolute[2] = tmp[2];
493 CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n",
494 cdr.subq.Track, cdr.subq.Index,
495 cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2],
496 cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]);
499 static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
501 CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
509 static void cdrPlayInterrupt_Autopause()
511 if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) {
512 CDR_LOG( "CDDA STOP\n" );
514 // Magic the Gathering
515 // - looping territory cdda
518 //cdr.ResultReady = 1;
519 //cdr.Stat = DataReady;
525 else if (cdr.Mode & MODE_REPORT) {
527 cdr.Result[0] = cdr.StatP;
528 cdr.Result[1] = cdr.subq.Track;
529 cdr.Result[2] = cdr.subq.Index;
531 if (cdr.subq.Absolute[2] & 0x10) {
532 cdr.Result[3] = cdr.subq.Relative[0];
533 cdr.Result[4] = cdr.subq.Relative[1] | 0x80;
534 cdr.Result[5] = cdr.subq.Relative[2];
537 cdr.Result[3] = cdr.subq.Absolute[0];
538 cdr.Result[4] = cdr.subq.Absolute[1];
539 cdr.Result[5] = cdr.subq.Absolute[2];
545 // Rayman: Logo freeze (resultready + dataready)
547 cdr.Stat = DataReady;
555 void cdrPlayInterrupt()
557 if (cdr.Seeked == SEEK_PENDING) {
559 CDR_LOG_I("cdrom: seek stat hack\n");
564 cdr.StatP |= STATUS_ROTATING;
565 cdr.StatP &= ~STATUS_SEEK;
566 cdr.Result[0] = cdr.StatP;
567 cdr.Seeked = SEEK_DONE;
573 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
574 Find_CurTrack(cdr.SetSectorPlay);
575 ReadTrack(cdr.SetSectorPlay, 1);
576 cdr.TrackChanged = FALSE;
579 if (!cdr.Play) return;
581 CDR_LOG( "CDDA - %d:%d:%d\n",
582 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
584 if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) {
586 cdr.TrackChanged = TRUE;
589 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
590 cdrPlayInterrupt_Autopause();
592 if (!cdr.Play) return;
594 cdr.SetSectorPlay[2]++;
595 if (cdr.SetSectorPlay[2] == 75) {
596 cdr.SetSectorPlay[2] = 0;
597 cdr.SetSectorPlay[1]++;
598 if (cdr.SetSectorPlay[1] == 60) {
599 cdr.SetSectorPlay[1] = 0;
600 cdr.SetSectorPlay[0]++;
604 CDRMISC_INT(cdReadTime);
606 // update for CdlGetlocP/autopause
607 ReadTrack(cdr.SetSectorPlay, 0);
610 void cdrInterrupt() {
612 unsigned char Irq = cdr.Irq;
616 CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
627 cdr.StatP |= STATUS_ROTATING;
628 cdr.Result[0] = cdr.StatP;
629 cdr.Stat = Acknowledge;
634 cdr.Result[0] = cdr.StatP;
635 cdr.Stat = Acknowledge;
637 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
643 cdr.StatP |= STATUS_ROTATING;
644 cdr.Result[0] = cdr.StatP;
645 cdr.Stat = Acknowledge;
649 if (cdr.Seeked == SEEK_PENDING) {
650 // XXX: wrong, should seek instead..
651 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
652 cdr.Seeked = SEEK_DONE;
656 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
658 if (cdr.ParamC == 0 || cdr.Param[0] == 0) {
659 CDR_LOG("PLAY Resume @ %d:%d:%d\n",
660 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]);
664 int track = btoi( cdr.Param[0] );
666 if (track <= cdr.ResultTN[1])
667 cdr.CurTrack = track;
669 CDR_LOG("PLAY track %d\n", cdr.CurTrack);
671 if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) {
672 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
673 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
674 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
679 Rayman: detect track changes
682 Twisted Metal 2: skip PREGAP + starting accurate SubQ
683 - plays tracks without retry play
685 Wild 9: skip PREGAP + starting accurate SubQ
686 - plays tracks without retry play
688 Find_CurTrack(cdr.SetSectorPlay);
689 ReadTrack(cdr.SetSectorPlay, 1);
690 cdr.TrackChanged = FALSE;
693 CDR_play(cdr.SetSectorPlay);
695 // Vib Ribbon: gameplay checks flag
696 cdr.StatP &= ~STATUS_SEEK;
700 cdr.StatP |= STATUS_ROTATING;
701 cdr.Result[0] = cdr.StatP;
702 cdr.Stat = Acknowledge;
704 cdr.StatP |= STATUS_PLAY;
707 // BIOS player - set flag again
710 CDRMISC_INT( cdReadTime );
716 cdr.StatP |= STATUS_ROTATING;
717 cdr.Result[0] = cdr.StatP;
721 // GameShark CD Player: Calls 2x + Play 2x
722 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
723 else cdr.FastForward++;
725 cdr.FastBackward = 0;
731 cdr.StatP |= STATUS_ROTATING;
732 cdr.Result[0] = cdr.StatP;
736 // GameShark CD Player: Calls 2x + Play 2x
737 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
738 else cdr.FastBackward++;
746 cdr.StatP |= STATUS_ROTATING;
747 cdr.Result[0] = cdr.StatP;
754 cdr.StatP &= ~STATUS_ROTATING;
755 cdr.Result[0] = cdr.StatP;
757 // cdr.Stat = Acknowledge;
759 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
764 cdr.Result[0] = cdr.StatP;
765 cdr.Stat = Acknowledge;
768 Gundam Battle Assault 2: much slower (*)
769 - Fixes boot, gameplay
771 Hokuto no Ken 2: slower
772 - Fixes intro + subtitles
774 InuYasha - Feudal Fairy Tale: slower
777 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
781 case CdlPause + 0x20:
783 cdr.StatP &= ~STATUS_READ;
784 cdr.StatP |= STATUS_ROTATING;
785 cdr.Result[0] = cdr.StatP;
791 cdr.StatP = STATUS_ROTATING;
792 cdr.Result[0] = cdr.StatP;
793 cdr.Stat = Acknowledge;
795 AddIrqQueue(CdlInit + 0x20, 0x800);
801 cdr.Result[0] = cdr.StatP;
808 cdr.StatP |= STATUS_ROTATING;
809 cdr.Result[0] = cdr.StatP;
810 cdr.Stat = Acknowledge;
815 cdr.StatP |= STATUS_ROTATING;
816 cdr.Result[0] = cdr.StatP;
817 cdr.Stat = Acknowledge;
822 cdr.StatP |= STATUS_ROTATING;
823 cdr.Result[0] = cdr.StatP;
824 cdr.Stat = Acknowledge;
829 cdr.StatP |= STATUS_ROTATING;
830 cdr.Result[0] = cdr.StatP;
831 cdr.Stat = Acknowledge;
836 cdr.StatP |= STATUS_ROTATING;
837 cdr.Result[0] = cdr.StatP;
838 cdr.Result[1] = cdr.Mode;
839 cdr.Result[2] = cdr.File;
840 cdr.Result[3] = cdr.Channel;
843 cdr.Stat = Acknowledge;
848 for (i = 0; i < 8; i++)
849 cdr.Result[i] = cdr.Transfer[i];
850 cdr.Stat = Acknowledge;
855 memcpy(&cdr.Result, &cdr.subq, 8);
857 if (!cdr.Play && !cdr.Reading)
858 cdr.Result[1] = 0; // HACK?
860 cdr.Stat = Acknowledge;
864 // 5-Star Racing: don't stop CDDA
866 // Vib Ribbon: CD swap
871 cdr.StatP |= STATUS_ROTATING;
872 cdr.Result[0] = cdr.StatP;
873 if (CDR_getTN(cdr.ResultTN) == -1) {
874 cdr.Stat = DiskError;
875 cdr.Result[0] |= STATUS_ERROR;
877 cdr.Stat = Acknowledge;
878 cdr.Result[1] = itob(cdr.ResultTN[0]);
879 cdr.Result[2] = itob(cdr.ResultTN[1]);
885 cdr.Track = btoi(cdr.Param[0]);
887 cdr.StatP |= STATUS_ROTATING;
888 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
889 cdr.Stat = DiskError;
890 cdr.Result[0] |= STATUS_ERROR;
892 cdr.Stat = Acknowledge;
893 cdr.Result[0] = cdr.StatP;
894 cdr.Result[1] = itob(cdr.ResultTD[2]);
895 cdr.Result[2] = itob(cdr.ResultTD[1]);
896 cdr.Result[3] = itob(cdr.ResultTD[0]);
903 cdr.StatP |= STATUS_ROTATING;
904 cdr.Result[0] = cdr.StatP;
905 cdr.StatP |= STATUS_SEEK;
906 cdr.Stat = Acknowledge;
909 Crusaders of Might and Magic = 0.5x-4x
910 - fix cutscene speech start
916 - fix cutscene speech
921 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
922 cdr.Seeked = SEEK_PENDING;
926 cdr.Stat = Acknowledge;
927 switch (cdr.Param[0]) {
928 case 0x20: // System Controller ROM Version
930 memcpy(cdr.Result, Test20, 4);
934 memcpy(cdr.Result, Test22, 4);
936 case 0x23: case 0x24:
938 memcpy(cdr.Result, Test23, 4);
945 cdr.StatP |= STATUS_ROTATING;
946 cdr.Result[0] = cdr.StatP;
947 cdr.Stat = Acknowledge;
948 AddIrqQueue(CdlID + 0x20, 0x800);
954 if (CDR_getStatus(&stat) == -1) {
955 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
956 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
959 if (stat.Type == 2) {
961 cdr.Result[0] = 0x08;
962 cdr.Result[1] = 0x10;
964 cdr.Result[1] |= 0x80;
968 if (CdromId[0] == '\0') {
969 cdr.Result[0] = 0x00;
970 cdr.Result[1] = 0x80;
973 cdr.Result[0] = 0x08;
974 cdr.Result[1] = 0x00;
979 cdr.Result[2] = 0x00;
980 cdr.Result[3] = 0x00;
981 strncpy((char *)&cdr.Result[4], "PCSX", 4);
987 cdr.StatP = STATUS_ROTATING;
988 cdr.Result[0] = cdr.StatP;
989 cdr.Stat = Acknowledge;
994 cdr.StatP |= STATUS_ROTATING;
995 cdr.Result[0] = cdr.StatP;
996 cdr.Stat = Acknowledge;
997 AddIrqQueue(CdlReadT + 0x20, 0x800);
1000 case CdlReadT + 0x20:
1002 cdr.StatP |= STATUS_ROTATING;
1003 cdr.Result[0] = cdr.StatP;
1004 cdr.Stat = Complete;
1009 cdr.StatP |= STATUS_ROTATING;
1010 cdr.Result[0] = cdr.StatP;
1011 cdr.Stat = Acknowledge;
1012 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1015 case CdlReadToc + 0x20:
1017 cdr.StatP |= STATUS_ROTATING;
1018 cdr.Result[0] = cdr.StatP;
1019 cdr.Stat = Complete;
1024 if (!cdr.Reading) return;
1026 // Fighting Force 2 - update subq time immediately
1029 ReadTrack(cdr.SetSector, 1);
1032 // Crusaders of Might and Magic - update getlocl now
1033 // - fixes cutscene speech
1035 u8 *buf = CDR_getBuffer();
1037 memcpy(cdr.Transfer, buf, 8);
1041 Duke Nukem: Land of the Babes - seek then delay read for one frame
1043 C-12 - Final Resistance - doesn't like seek
1046 if (cdr.Seeked != SEEK_DONE) {
1047 cdr.StatP |= STATUS_SEEK;
1048 cdr.StatP &= ~STATUS_READ;
1050 // Crusaders of Might and Magic - use short time
1051 // - fix cutscene speech (startup)
1053 // ??? - use more accurate seek time later
1054 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1056 cdr.StatP |= STATUS_READ;
1057 cdr.StatP &= ~STATUS_SEEK;
1059 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1063 cdr.StatP |= STATUS_ROTATING;
1064 cdr.Result[0] = cdr.StatP;
1065 cdr.Stat = Acknowledge;
1069 cdr.Stat = Complete;
1079 #ifdef CDR_LOG_CMD_IRQ
1080 SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ",
1081 cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq);
1082 for (i = 0; i < cdr.ResultC; i++)
1083 SysPrintf("%02x ", cdr.Result[i]);
1088 void cdrReadInterrupt() {
1094 if (cdr.Irq || cdr.Stat) {
1095 CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1102 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1103 cdr.StatP &= ~STATUS_SEEK;
1104 cdr.Result[0] = cdr.StatP;
1105 cdr.Seeked = SEEK_DONE;
1107 ReadTrack(cdr.SetSector, 0);
1109 buf = CDR_getBuffer();
1113 if (cdr.RErr == -1) {
1114 CDR_LOG_I("cdrReadInterrupt() Log: err\n");
1115 memset(cdr.Transfer, 0, DATA_SIZE);
1116 cdr.Stat = DiskError;
1117 cdr.Result[0] |= STATUS_ERROR;
1118 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1122 memcpy(cdr.Transfer, buf, DATA_SIZE);
1123 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1126 CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1128 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1129 // Firemen 2: Multi-XA files - briefings, cutscenes
1130 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1131 cdr.File = cdr.Transfer[4 + 0];
1132 cdr.Channel = cdr.Transfer[4 + 1];
1135 if ((cdr.Transfer[4 + 2] & 0x4) &&
1136 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1137 (cdr.Transfer[4 + 0] == cdr.File)) {
1138 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1141 // only handle attenuator basic channel switch for now
1142 if (cdr.Xa.stereo) {
1144 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1145 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1147 for (i = 0; i < cdr.Xa.nsamples; i++)
1148 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1150 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1151 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1153 for (i = 0; i < cdr.Xa.nsamples; i++)
1154 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1158 SPU_playADPCMchannel(&cdr.Xa);
1159 cdr.FirstSector = 0;
1162 // Crash Team Racing: music, speech
1163 // - done using cdda decoded buffer (spu irq)
1166 // signal ADPCM data ready
1170 else cdr.FirstSector = -1;
1175 if (cdr.SetSector[2] == 75) {
1176 cdr.SetSector[2] = 0;
1178 if (cdr.SetSector[1] == 60) {
1179 cdr.SetSector[1] = 0;
1186 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1189 Croc 2: $40 - only FORM1 (*)
1190 Judge Dredd: $C8 - only FORM1 (*)
1191 Sim Theme Park - no adpcm at all (zero)
1194 if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) {
1195 cdr.Stat = DataReady;
1199 // update for CdlGetlocP
1200 ReadTrack(cdr.SetSector, 0);
1211 bit 5 - 1 result ready
1213 bit 7 - 1 command being processed
1216 unsigned char cdrRead0(void) {
1217 if (cdr.ResultReady)
1225 // cdr.Ctrl &= ~0x40;
1227 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1230 CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
1232 return psxHu8(0x1800) = cdr.Ctrl;
1235 void cdrWrite0(unsigned char rt) {
1236 CDR_LOG_IO("cdr w0: %02x\n", rt);
1238 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1241 unsigned char cdrRead1(void) {
1242 if ((cdr.ResultP & 0xf) < cdr.ResultC)
1243 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1247 if (cdr.ResultP == cdr.ResultC)
1248 cdr.ResultReady = 0;
1250 CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
1252 return psxHu8(0x1801);
1255 void cdrWrite1(unsigned char rt) {
1259 CDR_LOG_IO("cdr w1: %02x\n", rt);
1261 switch (cdr.Ctrl & 3) {
1265 cdr.AttenuatorRight[1] = rt;
1274 #ifdef CDR_LOG_CMD_IRQ
1275 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1277 SysPrintf(" Param[%d] = {", cdr.ParamC);
1278 for (i = 0; i < cdr.ParamC; i++)
1279 SysPrintf(" %x,", cdr.Param[i]);
1286 cdr.ResultReady = 0;
1288 // cdr.Stat = NoIntr;
1289 AddIrqQueue(cdr.Cmd, 0x800);
1308 for (i = 0; i < 3; i++)
1309 set_loc[i] = btoi(cdr.Param[i]);
1311 // FIXME: clean up this SetSector/SetSectorPlay mess,
1312 // there should be single var tracking current sector pos
1314 i = msf2sec(cdr.SetSectorPlay);
1316 i = msf2sec(cdr.SetSector);
1317 i = abs(i - msf2sec(set_loc));
1319 cdr.Seeked = SEEK_PENDING;
1321 memcpy(cdr.SetSector, set_loc, 3);
1322 cdr.SetSector[3] = 0;
1326 // Vib Ribbon: try same track again
1330 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1331 if (CDR_getTN(cdr.ResultTN) != -1) {
1332 if (cdr.CurTrack > cdr.ResultTN[1])
1333 cdr.CurTrack = cdr.ResultTN[1];
1334 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1335 int tmp = cdr.ResultTD[2];
1336 cdr.ResultTD[2] = cdr.ResultTD[0];
1337 cdr.ResultTD[0] = tmp;
1338 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1343 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1344 // - fixes ribbon timing + music CD mode
1346 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1350 cdr.StatP |= STATUS_SEEK;
1351 cdr.StatP &= ~STATUS_ROTATING;
1357 cdr.FirstSector = 1;
1367 // GameShark CD Player: Reset CDDA to track start
1369 // grab time for current track
1370 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1372 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1373 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1374 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1383 GameShark CD Player: save time for resume
1385 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1394 cdr.Seeked = SEEK_DONE;
1401 // Duke Nukem - Time to Kill
1402 // - do not directly set cd-xa volume
1403 //SPU_writeRegister( H_CDLeft, 0x0000 );
1404 //SPU_writeRegister( H_CDRight, 0x0000 );
1410 // Duke Nukem - Time to Kill
1411 // - do not directly set cd-xa volume
1412 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1413 //SPU_writeRegister( H_CDRight, 0x7f00 );
1417 cdr.File = cdr.Param[0];
1418 cdr.Channel = cdr.Param[1];
1422 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1424 cdr.Mode = cdr.Param[0];
1426 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1427 // - fixes choppy movie sound
1428 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1433 //AddIrqQueue(cdr.Cmd, 0x800);
1435 // GameShark CDX CD Player: very long time
1436 AddIrqQueue(cdr.Cmd, 0x100000);
1441 // Tomb Raider 2 - reset cdda
1449 cdr.FirstSector = 1;
1455 CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1460 unsigned char cdrRead2(void) {
1463 if (cdr.Readed == 0) {
1469 CDR_LOG_IO("cdr r2: %02x\n", ret);
1473 void cdrWrite2(unsigned char rt) {
1474 CDR_LOG_IO("cdr w2: %02x\n", rt);
1476 switch (cdr.Ctrl & 3) {
1478 if (cdr.ParamC < 8) // FIXME: size and wrapping
1479 cdr.Param[cdr.ParamC++] = rt;
1486 cdr.AttenuatorLeft[0] = rt;
1489 cdr.AttenuatorRight[0] = rt;
1494 unsigned char cdrRead3(void) {
1496 psxHu8(0x1803) = cdr.Stat | 0xE0;
1498 psxHu8(0x1803) = cdr.Reg2 | 0xE0;
1500 CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
1501 return psxHu8(0x1803);
1504 void cdrWrite3(unsigned char rt) {
1505 CDR_LOG_IO("cdr w3: %02x\n", rt);
1507 switch (cdr.Ctrl & 3) {
1517 cdr.AttenuatorLeft[1] = rt;
1521 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1522 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1523 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1527 if ((rt & 0x80) && cdr.Readed == 0) {
1529 pTransfer = cdr.Transfer;
1531 switch (cdr.Mode & 0x30) {
1532 case MODE_SIZE_2328:
1537 case MODE_SIZE_2340:
1547 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1552 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1557 if (cdr.Readed == 0) {
1558 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1562 cdsize = (bcr & 0xffff) * 4;
1564 // Ape Escape: bcr = 0001 / 0000
1568 switch (cdr.Mode & 0x30) {
1569 case 0x00: cdsize = 2048; break;
1570 case MODE_SIZE_2328: cdsize = 2328; break;
1571 case MODE_SIZE_2340: cdsize = 2340; break;
1576 ptr = (u8 *)PSXM(madr);
1578 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1583 GS CDX: Enhancement CD crash
1586 - Spams DMA3 and gets buffer overrun
1588 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
1593 memcpy(ptr, pTransfer, size);
1596 psxCpu->Clear(madr, cdsize / 4);
1597 pTransfer += cdsize;
1601 if( chcr == 0x11400100 ) {
1602 CDRDMA_INT( (cdsize/4) / 4 );
1604 else if( chcr == 0x11000000 ) {
1605 CDRDMA_INT( (cdsize/4) * 1 );
1610 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
1614 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1618 void cdrDmaInterrupt()
1620 if (HW_DMA3_CHCR & SWAP32(0x01000000))
1622 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1627 static void getCdInfo(void)
1629 unsigned int i, j, sector;
1634 CDR_getTN(cdr.ResultTN);
1635 CDR_getTD(0, cdr.SetSectorEnd);
1636 tmp = cdr.SetSectorEnd[0];
1637 cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2];
1638 cdr.SetSectorEnd[2] = tmp;
1641 subq = (struct SubQ *)CDR_getBufferSub();
1642 if (subq != NULL && cdr.ResultTN[1] >= 2) {
1643 CDR_getTD(cdr.ResultTN[1], tmpp);
1644 sector = fsm2sec(tmpp) - 33;
1645 for (i = 0; i < 5; i++, sector += 2) {
1646 sec2msf(sector, tmpp);
1647 for (j = 0; j < 3; j++)
1648 tmpp[j] = itob(tmpp[j]);
1649 CDR_readTrack(tmpp);
1650 subq = (struct SubQ *)CDR_getBufferSub();
1651 if (subq->IndexNumber == 0)
1655 SysPrintf("cdrom: subchannel data looks broken, not using it\n");
1662 memset(&cdr, 0, sizeof(cdr));
1666 pTransfer = cdr.Transfer;
1668 // BIOS player - default values
1669 cdr.AttenuatorLeft[0] = 0x80;
1670 cdr.AttenuatorLeft[1] = 0x00;
1671 cdr.AttenuatorRight[0] = 0x00;
1672 cdr.AttenuatorRight[1] = 0x80;
1677 int cdrFreeze(void *f, int Mode) {
1681 if (Mode == 0 && !Config.Cdda)
1684 cdr.freeze_ver = 0x63647201;
1685 gzfreeze(&cdr, sizeof(cdr));
1688 cdr.ParamP = cdr.ParamC;
1689 tmp = pTransfer - cdr.Transfer;
1692 gzfreeze(&tmp, sizeof(tmp));
1697 pTransfer = cdr.Transfer + tmp;
1699 // read right sub data
1700 memcpy(tmpp, cdr.Prev, 3);
1705 Find_CurTrack(cdr.SetSectorPlay);
1707 CDR_play(cdr.SetSectorPlay);
1710 if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) {
1711 // old versions did not latch Reg2, have to fixup..
1712 if (cdr.Reg2 == 0) {
1713 SysPrintf("cdrom: fixing up old savestate\n");
1722 void LidInterrupt() {
1723 cdr.LidCheck = 0x20; // start checker
1728 CDRLID_INT( cdReadTime * 3 );
1730 // generate interrupt if none active - open or close
1731 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
1734 AddIrqQueue(CdlNop, 0x800);