From d5022a82eb21beb49034b94f84c5d6f466562d5e Mon Sep 17 00:00:00 2001 From: pixel Date: Tue, 21 Dec 2004 16:02:11 +0000 Subject: Removing PCSX from PSX-Bundle (I now have true cvs access on sourceforge! Yay!) --- PcsxSrc/CdRom.c | 1049 ------------------------------------------------------- 1 file changed, 1049 deletions(-) delete mode 100644 PcsxSrc/CdRom.c (limited to 'PcsxSrc/CdRom.c') diff --git a/PcsxSrc/CdRom.c b/PcsxSrc/CdRom.c deleted file mode 100644 index 303548c..0000000 --- a/PcsxSrc/CdRom.c +++ /dev/null @@ -1,1049 +0,0 @@ -/* Pcsx - Pc Psx Emulator - * Copyright (C) 1999-2002 Pcsx Team - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include -#include -#include -//THIS ALL IS FOR THE CDROM REGISTERS HANDLING -#include "PsxCommon.h" - -#define CdlSync 0 -#define CdlNop 1 -#define CdlSetloc 2 -#define CdlPlay 3 -#define CdlForward 4 -#define CdlBackward 5 -#define CdlReadN 6 -#define CdlStandby 7 -#define CdlStop 8 -#define CdlPause 9 -#define CdlInit 10 -#define CdlMute 11 -#define CdlDemute 12 -#define CdlSetfilter 13 -#define CdlSetmode 14 -#define CdlGetmode 15 -#define CdlGetlocL 16 -#define CdlGetlocP 17 -#define Cdl18 18 -#define CdlGetTN 19 -#define CdlGetTD 20 -#define CdlSeekL 21 -#define CdlSeekP 22 -#define CdlTest 25 -#define CdlID 26 -#define CdlReadS 27 -#define CdlReset 28 -#define CdlReadToc 30 - -#define AUTOPAUSE 249 -#define READ_ACK 250 -#define READ 251 -#define REPPLAY_ACK 252 -#define REPPLAY 253 -#define ASYNC 254 -/* don't set 255, it's reserved */ - -char *CmdName[0x100]= { - "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", - "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", - "CdlStop", "CdlPause", "CdlInit", "CdlMute", - "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode", - "CdlGetlocL", "CdlGetlocP", "Cdl18", "CdlGetTN", - "CdlGetTD", "CdlSeekL", "CdlSeekP", NULL, - NULL, "CdlTest", "CdlID", "CdlReadS", - "CdlReset", NULL, "CDlReadToc", NULL -}; - -unsigned char Test04[] = { 0 }; -unsigned char Test05[] = { 0 }; -unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; -unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; -unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; - -// 1x = 75 sectors per second -// PSXCLK = 1 sec in the ps -// so (PSXCLK / 75) / BIAS = cdr read time (linuzappz) -//#define cdReadTime ((PSXCLK / 75) / BIAS) -unsigned long cdReadTime = ((PSXCLK / 75) / BIAS); - -#define btoi(b) ((b)/16*10 + (b)%16) /* BCD to u_char */ -#define itob(i) ((i)/10*16 + (i)%10) /* u_char to BCD */ - -static struct CdrStat stat; -static struct SubQ *subq; - -#define CDR_INT(eCycle) { \ - psxRegs.interrupt|= 0x4; \ - psxRegs.intCycle[2+1] = eCycle; \ - psxRegs.intCycle[2] = psxRegs.cycle; } - -#define CDREAD_INT(eCycle) { \ - psxRegs.interrupt|= 0x40000; \ - psxRegs.intCycle[2+16+1] = eCycle; \ - psxRegs.intCycle[2+16] = psxRegs.cycle; } - -#define StartReading(type) { \ - cdr.Reading = type; \ - cdr.FirstSector = 1; \ - cdr.Readed = 0xff; \ - AddIrqQueue(READ_ACK, 0x800); \ -} - -#define StopReading() { \ - if (cdr.Reading) { \ - cdr.Reading = 0; \ - psxRegs.interrupt&=~0x40000; \ - } \ -} - -#define StopCdda() { \ - if (cdr.Play) { \ - if (!Config.Cdda) CDR_stop(); \ - cdr.StatP&=~0x80; \ - cdr.Play = 0; \ - } \ -} - -#define SetResultSize(size) { \ - cdr.ResultP = 0; \ - cdr.ResultC = size; \ - cdr.ResultReady = 1; \ -} - -void ReadTrack() { - - cdr.Prev[0] = itob(cdr.SetSector[0]); - cdr.Prev[1] = itob(cdr.SetSector[1]); - cdr.Prev[2] = itob(cdr.SetSector[2]); - -#ifdef CDR_LOG - CDR_LOG("KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); -#endif - cdr.RErr = CDR_readTrack(cdr.Prev); -} - -// cdr.Stat: -#define NoIntr 0 -#define DataReady 1 -#define Complete 2 -#define Acknowledge 3 -#define DataEnd 4 -#define DiskError 5 - -void AddIrqQueue(unsigned char irq, unsigned long ecycle) { - cdr.Irq = irq; - if (cdr.Stat) { - cdr.eCycle = ecycle; - } else { - CDR_INT(ecycle); - } -} - -void cdrInterrupt() { - int i; - unsigned char Irq = cdr.Irq; - - if (cdr.Stat) { - CDR_INT(0x800); - return; - } - - cdr.Irq = 0xff; - cdr.Ctrl&=~0x80; - - switch (Irq) { - case CdlSync: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - break; - - case CdlNop: - SetResultSize(1); - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - i = stat.Status; - if (CDR_getStatus(&stat) != -1) { - if (stat.Type == 0xff) cdr.Stat = DiskError; - if (stat.Status & 0x10) { - cdr.Stat = DiskError; - cdr.Result[0]|= 0x11; - cdr.Result[0]&=~0x02; - } - else if (i & 0x10) { - cdr.StatP |= 0x2; - cdr.Result[0]|= 0x2; - CheckCdrom(); - } - } - break; - - case CdlSetloc: - cdr.CmdProcess = 0; - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - break; - - case CdlPlay: - cdr.CmdProcess = 0; - SetResultSize(1); - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - cdr.StatP|= 0x82; -// if ((cdr.Mode & 0x5) == 0x5) AddIrqQueue(REPPLAY, cdReadTime); - break; - - case CdlForward: - cdr.CmdProcess = 0; - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Complete; - break; - - case CdlBackward: - cdr.CmdProcess = 0; - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Complete; - break; - - case CdlStandby: - cdr.CmdProcess = 0; - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Complete; - break; - - case CdlStop: - cdr.CmdProcess = 0; - SetResultSize(1); - cdr.StatP&=~0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Complete; -// cdr.Stat = Acknowledge; - break; - - case CdlPause: - SetResultSize(1); - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - AddIrqQueue(CdlPause + 0x20, 0x800); - break; - - case CdlPause + 0x20: - SetResultSize(1); - cdr.StatP&=~0x20; - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Complete; - break; - - case CdlInit: - SetResultSize(1); - cdr.StatP = 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; -// if (!cdr.Init) { - AddIrqQueue(CdlInit + 0x20, 0x800); -// } - break; - - case CdlInit + 0x20: - SetResultSize(1); - cdr.Result[0] = cdr.StatP; - cdr.Stat = Complete; - cdr.Init = 1; - break; - - case CdlMute: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - break; - - case CdlDemute: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - break; - - case CdlSetfilter: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - break; - - case CdlSetmode: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - break; - - case CdlGetmode: - SetResultSize(6); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Result[1] = cdr.Mode; - cdr.Result[2] = cdr.File; - cdr.Result[3] = cdr.Channel; - cdr.Result[4] = 0; - cdr.Result[5] = 0; - cdr.Stat = Acknowledge; - break; - - case CdlGetlocL: - SetResultSize(8); -// for (i=0; i<8; i++) cdr.Result[i] = itob(cdr.Transfer[i]); - for (i=0; i<8; i++) cdr.Result[i] = cdr.Transfer[i]; - cdr.Stat = Acknowledge; - break; - - case CdlGetlocP: - SetResultSize(8); - subq = (struct SubQ*) CDR_getBufferSub(); - if (subq != NULL) { - cdr.Result[0] = subq->TrackNumber; - cdr.Result[1] = subq->IndexNumber; - memcpy(cdr.Result+2, subq->TrackRelativeAddress, 3); - memcpy(cdr.Result+5, subq->AbsoluteAddress, 3); - } else { - cdr.Result[0] = 1; - cdr.Result[1] = 1; - cdr.Result[2] = cdr.Prev[0]; - cdr.Result[3] = itob((btoi(cdr.Prev[1])) - 2); - cdr.Result[4] = cdr.Prev[2]; - memcpy(cdr.Result+5, cdr.Prev, 3); - } - cdr.Stat = Acknowledge; - break; - - case CdlGetTN: - cdr.CmdProcess = 0; - SetResultSize(3); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - if (CDR_getTN(cdr.ResultTN) == -1) { - cdr.Stat = DiskError; - cdr.Result[0]|= 0x01; - } else { - cdr.Stat = Acknowledge; - cdr.Result[1] = itob(cdr.ResultTN[0]); - cdr.Result[2] = itob(cdr.ResultTN[1]); - } - break; - - case CdlGetTD: - cdr.CmdProcess = 0; - cdr.Track = btoi(cdr.Param[0]); - SetResultSize(4); - cdr.StatP|= 0x2; - if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { - cdr.Stat = DiskError; - cdr.Result[0]|= 0x01; - } else { - cdr.Stat = Acknowledge; - cdr.Result[0] = cdr.StatP; - cdr.Result[1] = itob(cdr.ResultTD[2]); - cdr.Result[2] = itob(cdr.ResultTD[1]); - cdr.Result[3] = itob(cdr.ResultTD[0]); - } - break; - - case CdlSeekL: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - AddIrqQueue(CdlSeekL + 0x20, 0x800); - break; - - case CdlSeekL + 0x20: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Complete; - break; - - case CdlSeekP: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - AddIrqQueue(CdlSeekP + 0x20, 0x800); - break; - - case CdlSeekP + 0x20: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Complete; - break; - - case CdlTest: - cdr.Stat = Acknowledge; - switch (cdr.Param[0]) { - case 0x20: // System Controller ROM Version - SetResultSize(4); - memcpy(cdr.Result, Test20, 4); - break; - case 0x22: - SetResultSize(8); - memcpy(cdr.Result, Test22, 4); - break; - case 0x23: case 0x24: - SetResultSize(8); - memcpy(cdr.Result, Test23, 4); - break; - } - break; - - case CdlID: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - AddIrqQueue(CdlID + 0x20, 0x800); - break; - - case CdlID + 0x20: - SetResultSize(8); - if (CDR_getStatus(&stat) == -1) { - cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player - cdr.Result[1] = 0x00; // 0x80 leads to the menu in the bios, else loads CD - } - else { - if (stat.Type == 2) { - cdr.Result[0] = 0x08; - cdr.Result[1] = 0x10; - } - else { - cdr.Result[0] = 0x00; - cdr.Result[1] = 0x00; - } - } - if (!LoadCdBios) cdr.Result[1] |= 0x80; - - cdr.Result[2] = 0x00; - cdr.Result[3] = 0x00; - strncpy((char *)&cdr.Result[4], "PCSX", 4); - cdr.Stat = Complete; - break; - - case CdlReset: - SetResultSize(1); - cdr.StatP = 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - break; - - case CdlReadToc: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - AddIrqQueue(CdlReadToc + 0x20, 0x800); - break; - - case CdlReadToc + 0x20: - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Complete; - break; - - case AUTOPAUSE: - cdr.OCUP = 0; -/* SetResultSize(1); - StopCdda(); - StopReading(); - cdr.OCUP = 0; - cdr.StatP&=~0x20; - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = DataEnd; -*/ AddIrqQueue(CdlPause, 0x400); - break; - - case READ_ACK: - if (!cdr.Reading) return; - - SetResultSize(1); - cdr.StatP|= 0x2; - cdr.Result[0] = cdr.StatP; - cdr.Stat = Acknowledge; - - ReadTrack(); - - CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); - - break; - - case REPPLAY_ACK: - cdr.Stat = Acknowledge; - cdr.Result[0] = cdr.StatP; - SetResultSize(1); - AddIrqQueue(REPPLAY, cdReadTime); - break; - - case REPPLAY: - if ((cdr.Mode & 5) != 5) break; -/* if (CDR_getStatus(&stat) == -1) { - cdr.Result[0] = 0; - cdr.Result[1] = 0; - cdr.Result[2] = 0; - cdr.Result[3] = 0; - cdr.Result[4] = 0; - cdr.Result[5] = 0; - cdr.Result[6] = 0; - cdr.Result[7] = 0; - } else memcpy(cdr.Result, &stat.Track, 8); - cdr.Stat = 1; - SetResultSize(8); - AddIrqQueue(REPPLAY_ACK, cdReadTime); -*/ break; - - case 0xff: - return; - - default: - cdr.Stat = Complete; - break; - } - - if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) psxHu32(0x1070)|=0x4; - -#ifdef CDR_LOG - CDR_LOG("Cdr Interrupt %x\n", Irq); -#endif -} - -void cdrReadInterrupt() { - unsigned char *buf; - - if (!cdr.Reading) return; - - if (cdr.Stat) { - CDREAD_INT(0x800); - return; - } - -#ifdef CDR_LOG - CDR_LOG("KEY END"); -#endif - - cdr.OCUP = 1; - SetResultSize(1); - cdr.StatP|= 0x22; - cdr.Result[0] = cdr.StatP; - - buf = CDR_getBuffer(); - if (buf == NULL) cdr.RErr = -1; - - if (cdr.RErr == -1) { -#ifdef CDR_LOG - fprintf(emuLog, " err\n"); -#endif - memset(cdr.Transfer, 0, 2340); - cdr.Stat = DiskError; - cdr.Result[0]|= 0x01; - ReadTrack(); - CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); - return; - } - - memcpy(cdr.Transfer, buf, 2340); - cdr.Stat = DataReady; - -#ifdef CDR_LOG - fprintf(emuLog, " %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); -#endif - - if ((cdr.Muted == 1) && (cdr.Mode & 0x40) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA - if ((cdr.Transfer[4+2] & 0x4) && - ((cdr.Mode&0x8) ? (cdr.Transfer[4+1] == cdr.Channel) : 1) && - (cdr.Transfer[4+0] == cdr.File)) { - int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); - - if (!ret) { - SPU_playADPCMchannel(&cdr.Xa); - cdr.FirstSector = 0; - } - else cdr.FirstSector = -1; - } - } - - cdr.SetSector[2]++; - if (cdr.SetSector[2] == 75) { - cdr.SetSector[2] = 0; - cdr.SetSector[1]++; - if (cdr.SetSector[1] == 60) { - cdr.SetSector[1] = 0; - cdr.SetSector[0]++; - } - } - - cdr.Readed = 0; - - if ((cdr.Transfer[4+2] & 0x80) && (cdr.Mode & 0x2)) { // EOF -#ifdef CDR_LOG - CDR_LOG("AutoPausing Read\n"); -#endif -// AddIrqQueue(AUTOPAUSE, 0x800); - AddIrqQueue(CdlPause, 0x800); - } - else { - ReadTrack(); - CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); - } - psxHu32(0x1070)|=0x4; -} - -/* -cdrRead0: - bit 0 - 0 REG1 command send / 1 REG1 data read - bit 1 - 0 data transfer finish / 1 data transfer ready/in progress - bit 2 - unknown - bit 3 - unknown - bit 4 - unknown - bit 5 - 1 result ready - bit 6 - 1 dma ready - bit 7 - 1 command being processed -*/ - -unsigned char cdrRead0(void) { - if (cdr.ResultReady) cdr.Ctrl|= 0x20; - else cdr.Ctrl&=~0x20; - - if (cdr.OCUP) cdr.Ctrl|= 0x40; - else cdr.Ctrl&=~0x40; - - // what means the 0x10 and the 0x08 bits? i only saw it used by the bios - cdr.Ctrl|=0x18; - -#ifdef CDR_LOG - CDR_LOG("CD0 Read: %x\n", cdr.Ctrl); -#endif - return psxHu8(0x1800) = cdr.Ctrl; -} - -/* -cdrWrite0: - 0 - to send a command / 1 - to get the result -*/ - -void cdrWrite0(unsigned char rt) { -#ifdef CDR_LOG - CDR_LOG("CD0 write: %x\n", rt); -#endif - cdr.Ctrl = rt | (cdr.Ctrl & ~0x3); - - if (rt == 0) { - cdr.ParamP = 0; - cdr.ParamC = 0; - cdr.ResultReady = 0; - } -} - -unsigned char cdrRead1(void) { - if (cdr.ResultReady && cdr.Ctrl & 0x1) { - psxHu8(0x1801) = cdr.Result[cdr.ResultP++]; - if (cdr.ResultP == cdr.ResultC) cdr.ResultReady = 0; - } else psxHu8(0x1801) = 0; -#ifdef CDR_LOG - CDR_LOG("CD1 Read: %x\n", psxHu8(0x1801)); -#endif - return psxHu8(0x1801); -} - -void cdrWrite1(unsigned char rt) { - int i; - -#ifdef CDR_LOG - CDR_LOG("CD1 write: %x (%s)\n", rt, CmdName[rt]); -#endif -// psxHu8(0x1801) = rt; - cdr.Cmd = rt; - cdr.OCUP = 0; - -#ifdef CDRCMD_DEBUG - SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); - if (cdr.ParamC) { - SysPrintf(" Param[%d] = {", cdr.ParamC); - for (i=0;i cdr.ResultTN[1]) cdr.CurTrack = cdr.ResultTN[1]; - if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) { - int tmp = cdr.ResultTD[2]; - cdr.ResultTD[2] = cdr.ResultTD[0]; - cdr.ResultTD[0] = tmp; - if (!Config.Cdda) CDR_play(cdr.ResultTD); - } - } - } - else if (!Config.Cdda) CDR_play(cdr.SetSector); - cdr.Play = 1; - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlForward: - if (cdr.CurTrack < 0xaa) cdr.CurTrack++; - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlBackward: - if (cdr.CurTrack > 1) cdr.CurTrack--; - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlReadN: - cdr.Irq = 0; - StopReading(); - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - StartReading(1); - break; - - case CdlStandby: - StopCdda(); - StopReading(); - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlStop: - StopCdda(); - StopReading(); - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlPause: - StopCdda(); - StopReading(); - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x40000); - break; - - case CdlReset: - case CdlInit: - StopCdda(); - StopReading(); - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlMute: - cdr.Muted = 0; - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlDemute: - cdr.Muted = 1; - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlSetfilter: - cdr.File = cdr.Param[0]; - cdr.Channel = cdr.Param[1]; - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlSetmode: -#ifdef CDR_LOG - CDR_LOG("Setmode %x\n", cdr.Param[0]); -#endif - cdr.Mode = cdr.Param[0]; - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlGetmode: - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlGetlocL: - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlGetlocP: - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlGetTN: - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlGetTD: - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlSeekL: - ((unsigned long *)cdr.SetSectorSeek)[0] = ((unsigned long *)cdr.SetSector)[0]; - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlSeekP: - ((unsigned long *)cdr.SetSectorSeek)[0] = ((unsigned long *)cdr.SetSector)[0]; - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlTest: - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlID: - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - case CdlReadS: - cdr.Irq = 0; - StopReading(); - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - StartReading(2); - break; - - case CdlReadToc: - cdr.Ctrl|= 0x80; - cdr.Stat = NoIntr; - AddIrqQueue(cdr.Cmd, 0x800); - break; - - default: -#ifdef CDR_LOG - CDR_LOG("Unknown Cmd: %x\n", cdr.Cmd); -#endif - return; - } - if (cdr.Stat != NoIntr) psxHu32(0x1070)|=0x4; -} - -unsigned char cdrRead2(void) { - unsigned char ret; - - if (cdr.Readed == 0) { - ret = 0; - } else { - ret = *cdr.pTransfer++; - } - -#ifdef CDR_LOG - CDR_LOG("CD2 Read: %x\n", ret); -#endif - return ret; -} - -void cdrWrite2(unsigned char rt) { -#ifdef CDR_LOG - CDR_LOG("CD2 write: %x\n", rt); -#endif - if (cdr.Ctrl & 0x1) { - switch (rt) { - case 0x07: - cdr.ParamP = 0; - cdr.ParamC = 0; - cdr.ResultReady = 0; - cdr.Ctrl = 0; - break; - - default: - cdr.Reg2 = rt; - break; - } - } else if (!(cdr.Ctrl & 0x1) && cdr.ParamP < 8) { - cdr.Param[cdr.ParamP++] = rt; - cdr.ParamC++; - } -} - -unsigned char cdrRead3(void) { - if (cdr.Stat) { - if (cdr.Ctrl & 0x1) psxHu8(0x1803) = cdr.Stat | 0xE0; - else psxHu8(0x1803) = 0xff; - } else psxHu8(0x1803) = 0; -#ifdef CDR_LOG - CDR_LOG("CD3 Read: %x\n", psxHu8(0x1803)); -#endif - return psxHu8(0x1803); -} - -void cdrWrite3(unsigned char rt) { -#ifdef CDR_LOG - CDR_LOG("CD3 write: %x\n", rt); -#endif - if (rt == 0x07 && cdr.Ctrl & 0x1) { - cdr.Stat = 0; - - if (cdr.Irq == 0xff) { cdr.Irq = 0; return; } - if (cdr.Irq) CDR_INT(cdr.eCycle); - if (cdr.Reading && !cdr.ResultReady) - CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); - - return; - } - if (rt == 0x80 && !(cdr.Ctrl & 0x1) && cdr.Readed == 0) { - cdr.Readed = 1; - cdr.pTransfer = cdr.Transfer; - - switch (cdr.Mode&0x30) { - case 0x10: - case 0x00: cdr.pTransfer+=12; break; - default: break; - } - } -} - -void psxDma3(u32 madr, u32 bcr, u32 chcr) { - u32 cdsize; - -#ifdef CDR_LOG - CDR_LOG("*** DMA 3 *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); -#endif - - switch (chcr) { - case 0x11000000: - case 0x11400100: - if (cdr.Readed == 0) { -#ifdef CDR_LOG - CDR_LOG("*** DMA 3 *** NOT READY\n"); -#endif - return; - } - - cdsize = (bcr & 0xffff) * 4; - - memcpy((u8*)PSXM(madr), cdr.pTransfer, cdsize); - psxCpu->Clear(madr, cdsize/4); - cdr.pTransfer+=cdsize; - - break; - default: -#ifdef CDR_LOG - CDR_LOG("Unknown cddma %lx\n", chcr); -#endif - break; - } -} - -void cdrReset() { - memset(&cdr, 0, sizeof(cdr)); - cdr.CurTrack=1; - cdr.File=1; cdr.Channel=1; - // with the timing set to 60 Gran Turismo works - // anybody knows why it doesn't with 75? - // 75 is the correct cdrom timing - if (Config.CdTiming) - cdReadTime = (PSXCLK / 60) / BIAS; - // this seems to be the most compatible - // let's leave like this until we know why - // 75 is buggy with some games - else cdReadTime = (PSXCLK / 65) / BIAS; -// else cdReadTime = (PSXCLK / 75) / BIAS; -} - -int cdrFreeze(gzFile f, int Mode) { - int tmp; - - gzfreeze(&cdr, sizeof(cdr)); - - if (Mode == 1) tmp = cdr.pTransfer - cdr.Transfer; - gzfreezel(&tmp); - if (Mode == 0) cdr.pTransfer = cdr.Transfer + tmp; - - return 0; -} - -- cgit v1.2.3