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
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
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 };
102 #define Acknowledge 3
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
111 #define MODE_SF (1<<3) // 0x08 channel on/off
112 #define MODE_REPORT (1<<2) // 0x04
113 #define MODE_AUTOPAUSE (1<<1) // 0x02
114 #define MODE_CDDA (1<<0) // 0x01
117 #define STATUS_PLAY (1<<7) // 0x80
118 #define STATUS_SEEK (1<<6) // 0x40
119 #define STATUS_READ (1<<5) // 0x20
120 #define STATUS_SHELLOPEN (1<<4) // 0x10
121 #define STATUS_UNKNOWN3 (1<<3) // 0x08
122 #define STATUS_UNKNOWN2 (1<<2) // 0x04
123 #define STATUS_ROTATING (1<<1) // 0x02
124 #define STATUS_ERROR (1<<0) // 0x01
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)
139 static struct CdrStat stat;
141 static unsigned int msf2sec(const u8 *msf) {
142 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
145 // for that weird psemu API..
146 static unsigned int fsm2sec(const u8 *msf) {
147 return ((msf[2] * 60 + msf[1]) * 75) + msf[0];
150 static void sec2msf(unsigned int s, u8 *msf) {
151 msf[0] = s / 75 / 60;
152 s = s - msf[0] * 75 * 60;
159 #define CDR_INT(eCycle) { \
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); \
167 #define CDREAD_INT(eCycle) { \
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); \
174 // cdrLidSeekInterrupt
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); \
183 #define CDRMISC_INT(eCycle) { \
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); \
190 #define StopReading() { \
193 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
195 cdr.StatP &= ~STATUS_READ;\
198 #define StopCdda() { \
200 if (!Config.Cdda) CDR_stop(); \
201 cdr.StatP &= ~STATUS_PLAY; \
203 cdr.FastForward = 0; \
204 cdr.FastBackward = 0; \
205 /*SPU_registerCallback( SPUirq );*/ \
209 #define SetResultSize(size) { \
211 cdr.ResultC = size; \
212 cdr.ResultReady = 1; \
215 static void setIrq(void)
217 if (cdr.Stat & cdr.Reg2)
218 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
221 void cdrLidSeekInterrupt()
223 // turn back on checking
224 if( cdr.LidCheck == 0x10 )
229 // official lid close
230 else if( cdr.LidCheck == 0x30 )
233 cdr.StatP |= STATUS_ROTATING;
236 // GS CDX 3.3 - ~50 getlocp tries
237 CDRLID_INT( cdReadTime * 3 );
242 else if( cdr.LidCheck == 0x40 )
245 cdr.StatP &= ~STATUS_SHELLOPEN;
246 cdr.StatP &= ~STATUS_ROTATING;
249 // GS CDX 3.3 - ~50 getlocp tries
250 CDRLID_INT( cdReadTime * 3 );
255 else if( cdr.LidCheck == 0x50 )
257 // GameShark Lite: Start seeking ($42)
258 cdr.StatP |= STATUS_SEEK;
259 cdr.StatP |= STATUS_ROTATING;
260 cdr.StatP &= ~STATUS_ERROR;
263 CDRLID_INT( cdReadTime * 3 );
268 else if( cdr.LidCheck == 0x60 )
270 // GameShark Lite: Seek detection done ($02)
271 cdr.StatP &= ~STATUS_SEEK;
277 static void Check_Shell( int Irq )
279 // check case open/close
280 if (cdr.LidCheck > 0)
282 CDR_LOG( "LidCheck\n" );
284 // $20 = check lid state
285 if( cdr.LidCheck == 0x20 )
290 if (CDR_getStatus(&stat) != -1)
292 // BIOS hangs + BIOS error messages
293 //if (stat.Type == 0xff)
294 //cdr.Stat = DiskError;
297 if (stat.Status & STATUS_SHELLOPEN)
299 // Vib Ribbon: pre-CD swap
303 // GameShark Lite: Death if DiskError happens
305 // Vib Ribbon: Needs DiskError for CD swap
309 cdr.Stat = DiskError;
311 cdr.StatP |= STATUS_ERROR;
312 cdr.Result[0] |= STATUS_ERROR;
315 // GameShark Lite: Wants -exactly- $10
316 cdr.StatP |= STATUS_SHELLOPEN;
317 cdr.StatP &= ~STATUS_ROTATING;
320 CDRLID_INT( cdReadTime * 3 );
328 else if ( i & STATUS_SHELLOPEN )
330 cdr.StatP |= STATUS_ROTATING;
335 if( cdr.Stat == NoIntr )
336 cdr.Stat = Acknowledge;
340 // begin close-seek-ready cycle
341 CDRLID_INT( cdReadTime * 3 );
345 // GameShark Lite: Wants -exactly- $42, then $02
346 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
349 // case still closed - wait for recheck
352 CDRLID_INT( cdReadTime * 3 );
359 // GS CDX: clear all values but #1,#2
360 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
363 memset( cdr.Result, 0, 16 );
365 cdr.Result[0] = cdr.StatP;
368 // GS CDX: special return value
369 if( cdr.StatP & STATUS_SHELLOPEN )
371 cdr.Result[1] = 0x80;
375 if( cdr.Stat == NoIntr )
376 cdr.Stat = Acknowledge;
383 static void Find_CurTrack(const u8 *time)
387 current = msf2sec(time);
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)
397 static void ReadTrack(const u8 *time) {
398 unsigned char tmp[3];
402 tmp[0] = itob(time[0]);
403 tmp[1] = itob(time[1]);
404 tmp[2] = itob(time[2]);
406 if (memcmp(cdr.Prev, tmp, 3) == 0)
409 CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]);
411 cdr.RErr = CDR_readTrack(tmp);
412 memcpy(cdr.Prev, tmp, 3);
414 cdr.TrackChanged = FALSE;
419 subq = (struct SubQ *)CDR_getBufferSub();
421 crc = calcCrc((u8 *)subq + 12, 10);
422 if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
423 cdr.subq.Track = subq->TrackNumber;
424 cdr.subq.Index = subq->IndexNumber;
425 memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3);
426 memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3);
428 // .. + 1 is probably wrong, but deals with corrupted
429 // subq + good checksum
430 // (how does real thing handle that?)
431 if (cdr.CurTrack + 1 == btoi(subq->TrackNumber)) {
433 cdr.TrackChanged = TRUE;
438 unsigned char start[3], next[3];
439 unsigned int this_s, start_s, next_s, pregap;
442 CDR_getTD(cdr.CurTrack, start);
443 if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) {
445 CDR_getTD(cdr.CurTrack + 1, next);
448 // last track - cd size
450 next[0] = cdr.SetSectorEnd[2];
451 next[1] = cdr.SetSectorEnd[1];
452 next[2] = cdr.SetSectorEnd[0];
455 this_s = msf2sec(time);
456 start_s = fsm2sec(start);
457 next_s = fsm2sec(next);
459 if (next_s - this_s < pregap) {
460 cdr.TrackChanged = TRUE;
467 relative_s = this_s - start_s;
468 if (relative_s < 0) {
470 relative_s = -relative_s;
472 sec2msf(relative_s, cdr.subq.Relative);
474 cdr.subq.Track = itob(cdr.CurTrack);
475 cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]);
476 cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]);
477 cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]);
478 cdr.subq.Absolute[0] = tmp[0];
479 cdr.subq.Absolute[1] = tmp[1];
480 cdr.subq.Absolute[2] = tmp[2];
483 CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n",
484 cdr.subq.Track, cdr.subq.Index,
485 cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2],
486 cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]);
489 static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
491 CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
499 static void cdrPlayInterrupt_Autopause()
501 if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) {
502 CDR_LOG( "CDDA STOP\n" );
504 // Magic the Gathering
505 // - looping territory cdda
508 //cdr.ResultReady = 1;
509 //cdr.Stat = DataReady;
515 else if (cdr.Mode & MODE_REPORT) {
517 cdr.Result[0] = cdr.StatP;
518 cdr.Result[1] = cdr.subq.Track;
519 cdr.Result[2] = cdr.subq.Index;
521 if (cdr.subq.Absolute[2] & 0x10) {
522 cdr.Result[3] = cdr.subq.Relative[0];
523 cdr.Result[4] = cdr.subq.Relative[1] | 0x80;
524 cdr.Result[5] = cdr.subq.Relative[2];
527 cdr.Result[3] = cdr.subq.Absolute[0];
528 cdr.Result[4] = cdr.subq.Absolute[1];
529 cdr.Result[5] = cdr.subq.Absolute[2];
535 // Rayman: Logo freeze (resultready + dataready)
537 cdr.Stat = DataReady;
545 void cdrPlayInterrupt()
547 if (cdr.Seeked == SEEK_PENDING) {
549 CDR_LOG_I("cdrom: seek stat hack\n");
554 cdr.StatP |= STATUS_ROTATING;
555 cdr.StatP &= ~STATUS_SEEK;
556 cdr.Result[0] = cdr.StatP;
557 cdr.Seeked = SEEK_DONE;
563 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
564 Find_CurTrack(cdr.SetSectorPlay);
565 ReadTrack(cdr.SetSectorPlay);
566 cdr.TrackChanged = FALSE;
569 if (!cdr.Play) return;
571 CDR_LOG( "CDDA - %d:%d:%d\n",
572 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
574 if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) {
576 cdr.TrackChanged = TRUE;
579 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
580 cdrPlayInterrupt_Autopause();
582 if (!cdr.Play) return;
584 cdr.SetSectorPlay[2]++;
585 if (cdr.SetSectorPlay[2] == 75) {
586 cdr.SetSectorPlay[2] = 0;
587 cdr.SetSectorPlay[1]++;
588 if (cdr.SetSectorPlay[1] == 60) {
589 cdr.SetSectorPlay[1] = 0;
590 cdr.SetSectorPlay[0]++;
594 CDRMISC_INT(cdReadTime);
596 // update for CdlGetlocP/autopause
597 ReadTrack(cdr.SetSectorPlay);
600 void cdrInterrupt() {
602 unsigned char Irq = cdr.Irq;
606 CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
617 cdr.StatP |= STATUS_ROTATING;
618 cdr.Result[0] = cdr.StatP;
619 cdr.Stat = Acknowledge;
624 cdr.Result[0] = cdr.StatP;
625 cdr.Stat = Acknowledge;
627 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
633 cdr.StatP |= STATUS_ROTATING;
634 cdr.Result[0] = cdr.StatP;
635 cdr.Stat = Acknowledge;
639 if (cdr.Seeked == SEEK_PENDING) {
640 // XXX: wrong, should seek instead..
641 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
642 cdr.Seeked = SEEK_DONE;
646 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
648 if (cdr.ParamC == 0 || cdr.Param[0] == 0) {
649 CDR_LOG("PLAY Resume @ %d:%d:%d\n",
650 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]);
654 int track = btoi( cdr.Param[0] );
656 if (track <= cdr.ResultTN[1])
657 cdr.CurTrack = track;
659 CDR_LOG("PLAY track %d\n", cdr.CurTrack);
661 if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) {
662 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
663 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
664 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
669 Rayman: detect track changes
672 Twisted Metal 2: skip PREGAP + starting accurate SubQ
673 - plays tracks without retry play
675 Wild 9: skip PREGAP + starting accurate SubQ
676 - plays tracks without retry play
678 Find_CurTrack(cdr.SetSectorPlay);
679 ReadTrack(cdr.SetSectorPlay);
680 cdr.TrackChanged = FALSE;
683 CDR_play(cdr.SetSectorPlay);
685 // Vib Ribbon: gameplay checks flag
686 cdr.StatP &= ~STATUS_SEEK;
690 cdr.StatP |= STATUS_ROTATING;
691 cdr.Result[0] = cdr.StatP;
692 cdr.Stat = Acknowledge;
694 cdr.StatP |= STATUS_PLAY;
697 // BIOS player - set flag again
700 CDRMISC_INT( cdReadTime );
706 cdr.StatP |= STATUS_ROTATING;
707 cdr.Result[0] = cdr.StatP;
711 // GameShark CD Player: Calls 2x + Play 2x
712 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
713 else cdr.FastForward++;
715 cdr.FastBackward = 0;
721 cdr.StatP |= STATUS_ROTATING;
722 cdr.Result[0] = cdr.StatP;
726 // GameShark CD Player: Calls 2x + Play 2x
727 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
728 else cdr.FastBackward++;
736 cdr.StatP |= STATUS_ROTATING;
737 cdr.Result[0] = cdr.StatP;
744 cdr.StatP &= ~STATUS_ROTATING;
745 cdr.Result[0] = cdr.StatP;
747 // cdr.Stat = Acknowledge;
749 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
754 cdr.Result[0] = cdr.StatP;
755 cdr.Stat = Acknowledge;
758 Gundam Battle Assault 2: much slower (*)
759 - Fixes boot, gameplay
761 Hokuto no Ken 2: slower
762 - Fixes intro + subtitles
764 InuYasha - Feudal Fairy Tale: slower
767 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
771 case CdlPause + 0x20:
773 cdr.StatP &= ~STATUS_READ;
774 cdr.StatP |= STATUS_ROTATING;
775 cdr.Result[0] = cdr.StatP;
781 cdr.StatP = STATUS_ROTATING;
782 cdr.Result[0] = cdr.StatP;
783 cdr.Stat = Acknowledge;
785 AddIrqQueue(CdlInit + 0x20, 0x800);
791 cdr.Result[0] = cdr.StatP;
798 cdr.StatP |= STATUS_ROTATING;
799 cdr.Result[0] = cdr.StatP;
800 cdr.Stat = Acknowledge;
805 cdr.StatP |= STATUS_ROTATING;
806 cdr.Result[0] = cdr.StatP;
807 cdr.Stat = Acknowledge;
812 cdr.StatP |= STATUS_ROTATING;
813 cdr.Result[0] = cdr.StatP;
814 cdr.Stat = Acknowledge;
819 cdr.StatP |= STATUS_ROTATING;
820 cdr.Result[0] = cdr.StatP;
821 cdr.Stat = Acknowledge;
826 cdr.StatP |= STATUS_ROTATING;
827 cdr.Result[0] = cdr.StatP;
828 cdr.Result[1] = cdr.Mode;
829 cdr.Result[2] = cdr.File;
830 cdr.Result[3] = cdr.Channel;
833 cdr.Stat = Acknowledge;
838 for (i = 0; i < 8; i++)
839 cdr.Result[i] = cdr.Transfer[i];
840 cdr.Stat = Acknowledge;
845 memcpy(&cdr.Result, &cdr.subq, 8);
847 if (!cdr.Play && !cdr.Reading)
848 cdr.Result[1] = 0; // HACK?
850 cdr.Stat = Acknowledge;
854 // 5-Star Racing: don't stop CDDA
856 // Vib Ribbon: CD swap
861 cdr.StatP |= STATUS_ROTATING;
862 cdr.Result[0] = cdr.StatP;
863 if (CDR_getTN(cdr.ResultTN) == -1) {
864 cdr.Stat = DiskError;
865 cdr.Result[0] |= STATUS_ERROR;
867 cdr.Stat = Acknowledge;
868 cdr.Result[1] = itob(cdr.ResultTN[0]);
869 cdr.Result[2] = itob(cdr.ResultTN[1]);
875 cdr.Track = btoi(cdr.Param[0]);
877 cdr.StatP |= STATUS_ROTATING;
878 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
879 cdr.Stat = DiskError;
880 cdr.Result[0] |= STATUS_ERROR;
882 cdr.Stat = Acknowledge;
883 cdr.Result[0] = cdr.StatP;
884 cdr.Result[1] = itob(cdr.ResultTD[2]);
885 cdr.Result[2] = itob(cdr.ResultTD[1]);
886 cdr.Result[3] = itob(cdr.ResultTD[0]);
893 cdr.StatP |= STATUS_ROTATING;
894 cdr.Result[0] = cdr.StatP;
895 cdr.StatP |= STATUS_SEEK;
896 cdr.Stat = Acknowledge;
899 Crusaders of Might and Magic = 0.5x-4x
900 - fix cutscene speech start
906 - fix cutscene speech
911 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
912 cdr.Seeked = SEEK_PENDING;
916 cdr.Stat = Acknowledge;
917 switch (cdr.Param[0]) {
918 case 0x20: // System Controller ROM Version
920 memcpy(cdr.Result, Test20, 4);
924 memcpy(cdr.Result, Test22, 4);
926 case 0x23: case 0x24:
928 memcpy(cdr.Result, Test23, 4);
935 cdr.StatP |= STATUS_ROTATING;
936 cdr.Result[0] = cdr.StatP;
937 cdr.Stat = Acknowledge;
938 AddIrqQueue(CdlID + 0x20, 0x800);
944 if (CDR_getStatus(&stat) == -1) {
945 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
946 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
949 if (stat.Type == 2) {
951 cdr.Result[0] = 0x08;
952 cdr.Result[1] = 0x10;
954 cdr.Result[1] |= 0x80;
958 if (CdromId[0] == '\0') {
959 cdr.Result[0] = 0x00;
960 cdr.Result[1] = 0x80;
963 cdr.Result[0] = 0x08;
964 cdr.Result[1] = 0x00;
969 cdr.Result[2] = 0x00;
970 cdr.Result[3] = 0x00;
971 strncpy((char *)&cdr.Result[4], "PCSX", 4);
977 cdr.StatP = STATUS_ROTATING;
978 cdr.Result[0] = cdr.StatP;
979 cdr.Stat = Acknowledge;
984 cdr.StatP |= STATUS_ROTATING;
985 cdr.Result[0] = cdr.StatP;
986 cdr.Stat = Acknowledge;
987 AddIrqQueue(CdlReadT + 0x20, 0x800);
990 case CdlReadT + 0x20:
992 cdr.StatP |= STATUS_ROTATING;
993 cdr.Result[0] = cdr.StatP;
999 cdr.StatP |= STATUS_ROTATING;
1000 cdr.Result[0] = cdr.StatP;
1001 cdr.Stat = Acknowledge;
1002 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1005 case CdlReadToc + 0x20:
1007 cdr.StatP |= STATUS_ROTATING;
1008 cdr.Result[0] = cdr.StatP;
1009 cdr.Stat = Complete;
1014 if (!cdr.Reading) return;
1016 // Fighting Force 2 - update subq time immediately
1019 ReadTrack(cdr.SetSector);
1022 // Crusaders of Might and Magic - update getlocl now
1023 // - fixes cutscene speech
1025 u8 *buf = CDR_getBuffer();
1027 memcpy(cdr.Transfer, buf, 8);
1031 Duke Nukem: Land of the Babes - seek then delay read for one frame
1033 C-12 - Final Resistance - doesn't like seek
1036 if (cdr.Seeked != SEEK_DONE) {
1037 cdr.StatP |= STATUS_SEEK;
1038 cdr.StatP &= ~STATUS_READ;
1040 // Crusaders of Might and Magic - use short time
1041 // - fix cutscene speech (startup)
1043 // ??? - use more accurate seek time later
1044 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1046 cdr.StatP |= STATUS_READ;
1047 cdr.StatP &= ~STATUS_SEEK;
1049 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1053 cdr.StatP |= STATUS_ROTATING;
1054 cdr.Result[0] = cdr.StatP;
1055 cdr.Stat = Acknowledge;
1059 cdr.Stat = Complete;
1069 #ifdef CDR_LOG_CMD_IRQ
1070 SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ",
1071 cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq);
1072 for (i = 0; i < cdr.ResultC; i++)
1073 SysPrintf("%02x ", cdr.Result[i]);
1078 void cdrReadInterrupt() {
1084 if (cdr.Irq || cdr.Stat) {
1085 CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1092 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1093 cdr.StatP &= ~STATUS_SEEK;
1094 cdr.Result[0] = cdr.StatP;
1095 cdr.Seeked = SEEK_DONE;
1097 ReadTrack( cdr.SetSector );
1099 buf = CDR_getBuffer();
1103 if (cdr.RErr == -1) {
1104 CDR_LOG_I("cdrReadInterrupt() Log: err\n");
1105 memset(cdr.Transfer, 0, DATA_SIZE);
1106 cdr.Stat = DiskError;
1107 cdr.Result[0] |= STATUS_ERROR;
1108 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1112 memcpy(cdr.Transfer, buf, DATA_SIZE);
1113 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1116 CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1118 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1119 // Firemen 2: Multi-XA files - briefings, cutscenes
1120 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1121 cdr.File = cdr.Transfer[4 + 0];
1122 cdr.Channel = cdr.Transfer[4 + 1];
1125 if ((cdr.Transfer[4 + 2] & 0x4) &&
1126 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1127 (cdr.Transfer[4 + 0] == cdr.File)) {
1128 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1131 // only handle attenuator basic channel switch for now
1132 if (cdr.Xa.stereo) {
1134 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1135 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1137 for (i = 0; i < cdr.Xa.nsamples; i++)
1138 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1140 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1141 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1143 for (i = 0; i < cdr.Xa.nsamples; i++)
1144 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1148 SPU_playADPCMchannel(&cdr.Xa);
1149 cdr.FirstSector = 0;
1152 // Crash Team Racing: music, speech
1153 // - done using cdda decoded buffer (spu irq)
1156 // signal ADPCM data ready
1160 else cdr.FirstSector = -1;
1165 if (cdr.SetSector[2] == 75) {
1166 cdr.SetSector[2] = 0;
1168 if (cdr.SetSector[1] == 60) {
1169 cdr.SetSector[1] = 0;
1176 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1179 Croc 2: $40 - only FORM1 (*)
1180 Judge Dredd: $C8 - only FORM1 (*)
1181 Sim Theme Park - no adpcm at all (zero)
1184 if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) {
1185 cdr.Stat = DataReady;
1189 // update for CdlGetlocP
1190 ReadTrack(cdr.SetSector);
1201 bit 5 - 1 result ready
1203 bit 7 - 1 command being processed
1206 unsigned char cdrRead0(void) {
1207 if (cdr.ResultReady)
1215 // cdr.Ctrl &= ~0x40;
1217 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1220 CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
1222 return psxHu8(0x1800) = cdr.Ctrl;
1225 void cdrWrite0(unsigned char rt) {
1226 CDR_LOG_IO("cdr w0: %02x\n", rt);
1228 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1231 unsigned char cdrRead1(void) {
1232 if ((cdr.ResultP & 0xf) < cdr.ResultC)
1233 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1237 if (cdr.ResultP == cdr.ResultC)
1238 cdr.ResultReady = 0;
1240 CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
1242 return psxHu8(0x1801);
1245 void cdrWrite1(unsigned char rt) {
1249 CDR_LOG_IO("cdr w1: %02x\n", rt);
1251 switch (cdr.Ctrl & 3) {
1255 cdr.AttenuatorRight[1] = rt;
1264 #ifdef CDR_LOG_CMD_IRQ
1265 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1267 SysPrintf(" Param[%d] = {", cdr.ParamC);
1268 for (i = 0; i < cdr.ParamC; i++)
1269 SysPrintf(" %x,", cdr.Param[i]);
1276 cdr.ResultReady = 0;
1278 // cdr.Stat = NoIntr;
1279 AddIrqQueue(cdr.Cmd, 0x800);
1298 for (i = 0; i < 3; i++)
1299 set_loc[i] = btoi(cdr.Param[i]);
1301 // FIXME: clean up this SetSector/SetSectorPlay mess,
1302 // there should be single var tracking current sector pos
1304 i = msf2sec(cdr.SetSectorPlay);
1306 i = msf2sec(cdr.SetSector);
1307 i = abs(i - msf2sec(set_loc));
1309 cdr.Seeked = SEEK_PENDING;
1311 memcpy(cdr.SetSector, set_loc, 3);
1312 cdr.SetSector[3] = 0;
1316 // Vib Ribbon: try same track again
1320 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1321 if (CDR_getTN(cdr.ResultTN) != -1) {
1322 if (cdr.CurTrack > cdr.ResultTN[1])
1323 cdr.CurTrack = cdr.ResultTN[1];
1324 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1325 int tmp = cdr.ResultTD[2];
1326 cdr.ResultTD[2] = cdr.ResultTD[0];
1327 cdr.ResultTD[0] = tmp;
1328 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1333 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1334 // - fixes ribbon timing + music CD mode
1336 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1340 cdr.StatP |= STATUS_SEEK;
1341 cdr.StatP &= ~STATUS_ROTATING;
1347 cdr.FirstSector = 1;
1357 // GameShark CD Player: Reset CDDA to track start
1359 // grab time for current track
1360 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1362 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1363 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1364 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1373 GameShark CD Player: save time for resume
1375 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1384 cdr.Seeked = SEEK_DONE;
1391 // Duke Nukem - Time to Kill
1392 // - do not directly set cd-xa volume
1393 //SPU_writeRegister( H_CDLeft, 0x0000 );
1394 //SPU_writeRegister( H_CDRight, 0x0000 );
1400 // Duke Nukem - Time to Kill
1401 // - do not directly set cd-xa volume
1402 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1403 //SPU_writeRegister( H_CDRight, 0x7f00 );
1407 cdr.File = cdr.Param[0];
1408 cdr.Channel = cdr.Param[1];
1412 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1414 cdr.Mode = cdr.Param[0];
1416 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1417 // - fixes choppy movie sound
1418 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1423 //AddIrqQueue(cdr.Cmd, 0x800);
1425 // GameShark CDX CD Player: very long time
1426 AddIrqQueue(cdr.Cmd, 0x100000);
1431 // Tomb Raider 2 - reset cdda
1439 cdr.FirstSector = 1;
1445 CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1450 unsigned char cdrRead2(void) {
1453 if (cdr.Readed == 0) {
1459 CDR_LOG_IO("cdr r2: %02x\n", ret);
1463 void cdrWrite2(unsigned char rt) {
1464 CDR_LOG_IO("cdr w2: %02x\n", rt);
1466 switch (cdr.Ctrl & 3) {
1468 if (cdr.ParamC < 8) // FIXME: size and wrapping
1469 cdr.Param[cdr.ParamC++] = rt;
1476 cdr.AttenuatorLeft[0] = rt;
1479 cdr.AttenuatorRight[0] = rt;
1484 unsigned char cdrRead3(void) {
1486 psxHu8(0x1803) = cdr.Stat | 0xE0;
1488 psxHu8(0x1803) = cdr.Reg2 | 0xE0;
1490 CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
1491 return psxHu8(0x1803);
1494 void cdrWrite3(unsigned char rt) {
1495 CDR_LOG_IO("cdr w3: %02x\n", rt);
1497 switch (cdr.Ctrl & 3) {
1507 cdr.AttenuatorLeft[1] = rt;
1511 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1512 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1513 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1517 if ((rt & 0x80) && cdr.Readed == 0) {
1519 pTransfer = cdr.Transfer;
1521 switch (cdr.Mode & 0x30) {
1522 case MODE_SIZE_2328:
1527 case MODE_SIZE_2340:
1537 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1542 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1547 if (cdr.Readed == 0) {
1548 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1552 cdsize = (bcr & 0xffff) * 4;
1554 // Ape Escape: bcr = 0001 / 0000
1558 switch (cdr.Mode & 0x30) {
1559 case 0x00: cdsize = 2048; break;
1560 case MODE_SIZE_2328: cdsize = 2328; break;
1561 case MODE_SIZE_2340: cdsize = 2340; break;
1566 ptr = (u8 *)PSXM(madr);
1568 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1573 GS CDX: Enhancement CD crash
1576 - Spams DMA3 and gets buffer overrun
1578 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
1583 memcpy(ptr, pTransfer, size);
1586 psxCpu->Clear(madr, cdsize / 4);
1587 pTransfer += cdsize;
1591 if( chcr == 0x11400100 ) {
1592 CDRDMA_INT( (cdsize/4) / 4 );
1594 else if( chcr == 0x11000000 ) {
1595 CDRDMA_INT( (cdsize/4) * 1 );
1600 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
1604 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1608 void cdrDmaInterrupt()
1610 if (HW_DMA3_CHCR & SWAP32(0x01000000))
1612 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1617 static void getCdInfo(void)
1621 CDR_getTN(cdr.ResultTN);
1622 CDR_getTD(0, cdr.SetSectorEnd);
1623 tmp = cdr.SetSectorEnd[0];
1624 cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2];
1625 cdr.SetSectorEnd[2] = tmp;
1629 memset(&cdr, 0, sizeof(cdr));
1633 pTransfer = cdr.Transfer;
1635 // BIOS player - default values
1636 cdr.AttenuatorLeft[0] = 0x80;
1637 cdr.AttenuatorLeft[1] = 0x00;
1638 cdr.AttenuatorRight[0] = 0x00;
1639 cdr.AttenuatorRight[1] = 0x80;
1644 int cdrFreeze(void *f, int Mode) {
1648 if (Mode == 0 && !Config.Cdda)
1651 cdr.freeze_ver = 0x63647201;
1652 gzfreeze(&cdr, sizeof(cdr));
1655 cdr.ParamP = cdr.ParamC;
1656 tmp = pTransfer - cdr.Transfer;
1659 gzfreeze(&tmp, sizeof(tmp));
1664 pTransfer = cdr.Transfer + tmp;
1666 // read right sub data
1667 memcpy(tmpp, cdr.Prev, 3);
1672 Find_CurTrack(cdr.SetSectorPlay);
1674 CDR_play(cdr.SetSectorPlay);
1677 if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) {
1678 // old versions did not latch Reg2, have to fixup..
1679 if (cdr.Reg2 == 0) {
1680 SysPrintf("cdrom: fixing up old savestate\n");
1689 void LidInterrupt() {
1690 cdr.LidCheck = 0x20; // start checker
1695 CDRLID_INT( cdReadTime * 3 );
1697 // generate interrupt if none active - open or close
1698 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
1701 AddIrqQueue(CdlNop, 0x800);