path: root/PcsxSrc/PsxHw.c

/*  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 <stdio.h>
#include <string.h>

#include "PsxCommon.h"

#ifdef __WIN32__
#pragma warning(disable:4244)
#endif

#define HW_DMA0_MADR (psxHu32(0x1080)) // MDEC in DMA
#define HW_DMA0_BCR  (psxHu32(0x1084))
#define HW_DMA0_CHCR (psxHu32(0x1088))

#define HW_DMA1_MADR (psxHu32(0x1090)) // MDEC out DMA
#define HW_DMA1_BCR  (psxHu32(0x1094))
#define HW_DMA1_CHCR (psxHu32(0x1098))

#define HW_DMA2_MADR (psxHu32(0x10a0)) // GPU DMA
#define HW_DMA2_BCR  (psxHu32(0x10a4))
#define HW_DMA2_CHCR (psxHu32(0x10a8))

#define HW_DMA3_MADR (psxHu32(0x10b0)) // CDROM DMA
#define HW_DMA3_BCR  (psxHu32(0x10b4))
#define HW_DMA3_CHCR (psxHu32(0x10b8))

#define HW_DMA4_MADR (psxHu32(0x10c0)) // SPU DMA
#define HW_DMA4_BCR  (psxHu32(0x10c4))
#define HW_DMA4_CHCR (psxHu32(0x10c8))

#define HW_DMA6_MADR (psxHu32(0x10e0)) // GPU DMA (OT)
#define HW_DMA6_BCR  (psxHu32(0x10e4))
#define HW_DMA6_CHCR (psxHu32(0x10e8))

#define HW_DMA_PCR   (psxHu32(0x10f0))
#define HW_DMA_ICR   (psxHu32(0x10f4))

void psxHwReset() {
	if (Config.Sio) psxHu32(0x1070) |= 0x80;
	if (Config.SpuIrq) psxHu32(0x1070) |= 0x200;

	memset(psxH, 0, 0x10000);

	mdecInit(); //intialize mdec decoder
	cdrReset();
	psxRcntInit();
}

u8 psxHwRead8(u32 add) {
	unsigned char hard;

	switch (add) {
		case 0x1f801040: hard = sioRead8();break; 
      //  case 0x1f801050: hard = serial_read8(); break;//for use of serial port ignore for now
		case 0x1f801800: hard = cdrRead0(); break;
		case 0x1f801801: hard = cdrRead1(); break;
		case 0x1f801802: hard = cdrRead2(); break;
		case 0x1f801803: hard = cdrRead3(); break;
		default:
			hard = psxHu8(add); 
#ifdef PSXHW_LOG
			PSXHW_LOG("*Unkwnown 8bit read at address %lx\n", add);
#endif
			return hard;
	}
	
#ifdef PSXHW_LOG
	PSXHW_LOG("*Known 8bit read at address %lx value %x\n", add, hard);
#endif
	return hard;
}

u16 psxHwRead16(u32 add) {
	unsigned short hard;

	switch (add) {
#ifdef PSXHW_LOG
		case 0x1f801070: PSXHW_LOG("IREG 16bit read %x\n", psxHu16(0x1070));
			return psxHu16(0x1070);
#endif
#ifdef PSXHW_LOG
		case 0x1f801074: PSXHW_LOG("IMASK 16bit read %x\n", psxHu16(0x1074));
			return psxHu16(0x1074);
#endif

		case 0x1f801040:
			hard = sioRead8();
			hard|= sioRead8() << 8;
#ifdef PAD_LOG
			PAD_LOG("sio read16 %lx; ret = %x\n", add&0xf, hard);
#endif
			return hard;
		case 0x1f801044:
			hard = StatReg;
#ifdef PAD_LOG
			PAD_LOG("sio read16 %lx; ret = %x\n", add&0xf, hard);
#endif
			return hard;
		case 0x1f801048:
			hard = ModeReg;
#ifdef PAD_LOG
			PAD_LOG("sio read16 %lx; ret = %x\n", add&0xf, hard);
#endif
			return hard;
		case 0x1f80104a:
			hard = CtrlReg;
#ifdef PAD_LOG
			PAD_LOG("sio read16 %lx; ret = %x\n", add&0xf, hard);
#endif
			return hard;
		case 0x1f80104e:
			hard = BaudReg;
#ifdef PAD_LOG
			PAD_LOG("sio read16 %lx; ret = %x\n", add&0xf, hard);
#endif
			return hard;

		//Serial port stuff not support now ;P
	 // case 0x1f801050: hard = serial_read16(); break;
	 //	case 0x1f801054: hard = serial_status_read(); break;
	 //	case 0x1f80105a: hard = serial_control_read(); break;
	 //	case 0x1f80105e: hard = serial_baud_read(); break;
	
		case 0x1f801100:
			hard = psxRcntRcount(0);
#ifdef PSXHW_LOG
			PSXHW_LOG("T0 count read16: %x\n", hard);
#endif
			return hard;
		case 0x1f801104:
			hard = psxCounters[0].mode;
#ifdef PSXHW_LOG
			PSXHW_LOG("T0 mode read16: %x\n", hard);
#endif
			return hard;
		case 0x1f801108:
			hard = psxCounters[0].target;
#ifdef PSXHW_LOG
			PSXHW_LOG("T0 target read16: %x\n", hard);
#endif
			return hard;
		case 0x1f801110:
			hard = psxRcntRcount(1);
#ifdef PSXHW_LOG
			PSXHW_LOG("T1 count read16: %x\n", hard);
#endif
			return hard;
		case 0x1f801114:
			hard = psxCounters[1].mode;
#ifdef PSXHW_LOG
			PSXHW_LOG("T1 mode read16: %x\n", hard);
#endif
			return hard;
		case 0x1f801118:
			hard = psxCounters[1].target;
#ifdef PSXHW_LOG
			PSXHW_LOG("T1 target read16: %x\n", hard);
#endif
			return hard;
		case 0x1f801120:
			hard = psxRcntRcount(2);
#ifdef PSXHW_LOG
			PSXHW_LOG("T2 count read16: %x\n", hard);
#endif
			return hard;
		case 0x1f801124:
			hard = psxCounters[2].mode;
#ifdef PSXHW_LOG
			PSXHW_LOG("T2 mode read16: %x\n", hard);
#endif
			return hard;
		case 0x1f801128:
			hard = psxCounters[2].target;
#ifdef PSXHW_LOG
			PSXHW_LOG("T2 target read16: %x\n", hard);
#endif
			return hard;
	
		//case 0x1f802030: hard =   //int_2000????
		//case 0x1f802040: hard =//dip switches...??

		default:
			if (add>=0x1f801c00 && add<0x1f801e00) {
            	hard = SPU_readRegister(add);
			} else {
				hard = psxHu16(add); 
#ifdef PSXHW_LOG
				PSXHW_LOG("*Unkwnown 16bit read at address %lx\n", add);
#endif
			}
            return hard;
	}
	
#ifdef PSXHW_LOG
	PSXHW_LOG("*Known 16bit read at address %lx value %x\n", add, hard);
#endif
	return hard;
}

u32 psxHwRead32(u32 add) {
	u32 hard;

	switch (add) {
		case 0x1f801040:
			hard = sioRead8();
			hard|= sioRead8() << 8;
			hard|= sioRead8() << 16;
			hard|= sioRead8() << 24;
#ifdef PAD_LOG
			PAD_LOG("sio read32 ;ret = %lx\n", hard);
#endif
			return hard;
			
	//	case 0x1f801050: hard = serial_read32(); break;//serial port
#ifdef PSXHW_LOG
		case 0x1f801060:
			PSXHW_LOG("RAM size read %lx\n", psxHu32(0x1060));
			return psxHu32(0x1060);
#endif
#ifdef PSXHW_LOG
		case 0x1f801070: PSXHW_LOG("IREG 32bit read %x\n", psxHu32(0x1070));
			return psxHu32(0x1070);
#endif
#ifdef PSXHW_LOG
		case 0x1f801074: PSXHW_LOG("IMASK 32bit read %x\n", psxHu32(0x1074));
			return psxHu32(0x1074);
#endif

		case 0x1f801810:
			hard = GPU_readData();
#ifdef PSXHW_LOG
			PSXHW_LOG("GPU DATA 32bit read %lx\n", hard);
#endif
			return hard;
		case 0x1f801814:
			hard = GPU_readStatus();
#ifdef PSXHW_LOG
			PSXHW_LOG("GPU STATUS 32bit read %lx\n", hard);
#endif
			return hard;

		case 0x1f801820: hard = mdecRead0(); break;
		case 0x1f801824: hard = mdecRead1(); break;

#ifdef PSXHW_LOG
		case 0x1f8010a0:
			PSXHW_LOG("DMA2 MADR 32bit read %lx\n", psxHu32(0x10a0));
			return HW_DMA2_MADR;
		case 0x1f8010a4:
			PSXHW_LOG("DMA2 BCR 32bit read %lx\n", psxHu32(0x10a4));
			return HW_DMA2_BCR;
		case 0x1f8010a8:
			PSXHW_LOG("DMA2 CHCR 32bit read %lx\n", psxHu32(0x10a8));
			return HW_DMA2_CHCR;
#endif

#ifdef PSXHW_LOG
		case 0x1f8010b0:
			PSXHW_LOG("DMA3 MADR 32bit read %lx\n", psxHu32(0x10b0));
			return HW_DMA3_MADR;
		case 0x1f8010b4:
			PSXHW_LOG("DMA3 BCR 32bit read %lx\n", psxHu32(0x10b4));
			return HW_DMA3_BCR;
		case 0x1f8010b8:
			PSXHW_LOG("DMA3 CHCR 32bit read %lx\n", psxHu32(0x10b8));
			return HW_DMA3_CHCR;
#endif

#ifdef PSXHW_LOG
/*		case 0x1f8010f0:
			PSXHW_LOG("DMA PCR 32bit read %x\n", psxHu32(0x10f0));
			return HW_DMA_PCR; // dma rest channel
		case 0x1f8010f4:
			PSXHW_LOG("DMA ICR 32bit read %x\n", psxHu32(0x10f4));
			return HW_DMA_ICR; // interrupt enabler?*/
#endif

		// time for rootcounters :)
		case 0x1f801100:
			hard = psxRcntRcount(0);
#ifdef PSXHW_LOG
			PSXHW_LOG("T0 count read32: %lx\n", hard);
#endif
			return hard;
		case 0x1f801104:
			hard = psxCounters[0].mode;
#ifdef PSXHW_LOG
			PSXHW_LOG("T0 mode read32: %lx\n", hard);
#endif
			return hard;
		case 0x1f801108:
			hard = psxCounters[0].target;
#ifdef PSXHW_LOG
			PSXHW_LOG("T0 target read32: %lx\n", hard);
#endif
			return hard;
		case 0x1f801110:
			hard = psxRcntRcount(1);
#ifdef PSXHW_LOG
			PSXHW_LOG("T1 count read32: %lx\n", hard);
#endif
			return hard;
		case 0x1f801114:
			hard = psxCounters[1].mode;
#ifdef PSXHW_LOG
			PSXHW_LOG("T1 mode read32: %lx\n", hard);
#endif
			return hard;
		case 0x1f801118:
			hard = psxCounters[1].target;
#ifdef PSXHW_LOG
			PSXHW_LOG("T1 target read32: %lx\n", hard);
#endif
			return hard;
		case 0x1f801120:
			hard = psxRcntRcount(2);
#ifdef PSXHW_LOG
			PSXHW_LOG("T2 count read32: %lx\n", hard);
#endif
			return hard;
		case 0x1f801124:
			hard = psxCounters[2].mode;
#ifdef PSXHW_LOG
			PSXHW_LOG("T2 mode read32: %lx\n", hard);
#endif
			return hard;
		case 0x1f801128:
			hard = psxCounters[2].target;
#ifdef PSXHW_LOG
			PSXHW_LOG("T2 target read32: %lx\n", hard);
#endif
			return hard;

		default:
			hard = psxHu32(add); 
#ifdef PSXHW_LOG
			PSXHW_LOG("*Unkwnown 32bit read at address %lx\n", add);
#endif
			return hard;
	}
#ifdef PSXHW_LOG
	PSXHW_LOG("*Known 32bit read at address %lx\n", add);
#endif
	return hard;
}

void psxHwWrite8(u32 add, u8 value) {
	switch (add) {
		case 0x1f801040: sioWrite8(value); break;
	//	case 0x1f801050: serial_write8(value); break;//serial port
		case 0x1f801800: cdrWrite0(value); break;
		case 0x1f801801: cdrWrite1(value); break;
		case 0x1f801802: cdrWrite2(value); break;
		case 0x1f801803: cdrWrite3(value); break;

		default:
			psxHu8(add) = value;
#ifdef PSXHW_LOG
			PSXHW_LOG("*Unknown 8bit write at address %lx value %x\n", add, value);
#endif
			return;
	}
	psxHu8(add) = value;
#ifdef PSXHW_LOG
	PSXHW_LOG("*Known 8bit write at address %lx value %x\n", add, value);
#endif
}

void psxHwWrite16(u32 add, u16 value) {
	switch (add) {
		case 0x1f801040:
			sioWrite8((unsigned char)value);
			sioWrite8((unsigned char)(value>>8));
#ifdef PAD_LOG
			PAD_LOG ("sio write16 %lx, %x\n", add&0xf, value);
#endif
			return;
		case 0x1f801044:
#ifdef PAD_LOG
			PAD_LOG ("sio write16 %lx, %x\n", add&0xf, value);
#endif
			return;
		case 0x1f801048:
			ModeReg = value;
#ifdef PAD_LOG
			PAD_LOG ("sio write16 %lx, %x\n", add&0xf, value);
#endif
			return;
		case 0x1f80104a: // control register
			sioWriteCtrl16(value);
#ifdef PAD_LOG
			PAD_LOG ("sio write16 %lx, %x\n", add&0xf, value);
#endif
			return;
		case 0x1f80104e: // baudrate register
			BaudReg = value;
#ifdef PAD_LOG
			PAD_LOG ("sio write16 %lx, %x\n", add&0xf, value);
#endif
			return;

		//serial port ;P
	//  case 0x1f801050: serial_write16(value); break;
	//	case 0x1f80105a: serial_control_write(value);break;
	//	case 0x1f80105e: serial_baud_write(value); break;
	//	case 0x1f801054: serial_status_write(value); break;

		case 0x1f801070: 
#ifdef PSXHW_LOG
			PSXHW_LOG("IREG 16bit write %x\n", value);
#endif
			if (Config.Sio) psxHu16(0x1070) |= 0x80;
			if (Config.SpuIrq) psxHu16(0x1070) |= 0x200;
			psxHu16(0x1070) &= (psxHu16(0x1074) & value);
			return;
#ifdef PSXHW_LOG
		case 0x1f801074: PSXHW_LOG("IMASK 16bit write %x\n", value);
			psxHu16(0x1074) = value;
			return;
#endif

		case 0x1f801100:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 0 COUNT 16bit write %x\n", value);
#endif
			psxRcntWcount(0, value); return;
		case 0x1f801104:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 0 MODE 16bit write %x\n", value);
#endif
			psxRcntWmode(0, value); return;
		case 0x1f801108:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 0 TARGET 16bit write %x\n", value);
#endif
			psxRcntWtarget(0, value); return;

		case 0x1f801110:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 1 COUNT 16bit write %x\n", value);
#endif
			psxRcntWcount(1, value); return;
		case 0x1f801114:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 1 MODE 16bit write %x\n", value);
#endif
			psxRcntWmode(1, value); return;
		case 0x1f801118:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 1 TARGET 16bit write %x\n", value);
#endif
			psxRcntWtarget(1, value); return;

		case 0x1f801120:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 2 COUNT 16bit write %x\n", value);
#endif
			psxRcntWcount(2, value); return;
		case 0x1f801124:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 2 MODE 16bit write %x\n", value);
#endif
			psxRcntWmode(2, value); return;
		case 0x1f801128:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 2 TARGET 16bit write %x\n", value);
#endif
			psxRcntWtarget(2, value); return;

		default:
			if (add>=0x1f801c00 && add<0x1f801e00) {
            	SPU_writeRegister(add, value);
				return;
			}

			psxHu16(add) = value;
#ifdef PSXHW_LOG
			PSXHW_LOG("*Unknown 16bit write at address %lx value %x\n", add, value);
#endif
			return;
	}
	psxHu16(add) = value;
#ifdef PSXHW_LOG
	PSXHW_LOG("*Known 16bit write at address %lx value %x\n", add, value);
#endif
}

#define	DMA_INTERRUPT(n) \
	if (HW_DMA_ICR & (1 << (16 + n))) { \
		HW_DMA_ICR|= (1 << (24 + n)); \
		psxHu32(0x1070) |= 8; \
	}

#define DmaExec(n) { \
	if (HW_DMA##n##_CHCR & 0x01000000 && HW_DMA_PCR & (8 << (n * 4))) { \
		psxDma##n##(HW_DMA##n##_MADR, HW_DMA##n##_BCR, HW_DMA##n##_CHCR); \
		HW_DMA##n##_CHCR &= ~0x01000000; \
		DMA_INTERRUPT(n); \
	} \
}

void psxHwWrite32(u32 add, u32 value) {
	switch (add) {
	    case 0x1f801040:
			sioWrite8((unsigned char)value);
			sioWrite8((unsigned char)((value&0xff) >>  8));
			sioWrite8((unsigned char)((value&0xff) >> 16));
			sioWrite8((unsigned char)((value&0xff) >> 24));
#ifdef PAD_LOG
			PAD_LOG("sio write32 %lx\n", value);
#endif
			return;
	//	case 0x1f801050: serial_write32(value); break;//serial port
#ifdef PSXHW_LOG
		case 0x1f801060:
			PSXHW_LOG("RAM size write %lx\n", value);
			psxHu32(add) = value;
			return; // Ram size
#endif

		case 0x1f801070: 
#ifdef PSXHW_LOG
			PSXHW_LOG("IREG 32bit write %lx\n", value);
#endif
			if (Config.Sio) psxHu32(0x1070) |= 0x80;
			if (Config.SpuIrq) psxHu32(0x1070) |= 0x200;
			psxHu32(0x1070) &= (psxHu32(0x1074) & value);
			return;
#ifdef PSXHW_LOG
		case 0x1f801074:
			PSXHW_LOG("IMASK 32bit write %lx\n", value);
			psxHu32(0x1074) = value;
			return;
#endif

#ifdef PSXHW_LOG
		case 0x1f801080:
			PSXHW_LOG("DMA0 MADR 32bit write %lx\n", value);
			HW_DMA0_MADR = value; return; // DMA0 madr
		case 0x1f801084:
			PSXHW_LOG("DMA0 BCR 32bit write %lx\n", value);
			HW_DMA0_BCR  = value; return; // DMA0 bcr
#endif
		case 0x1f801088:
#ifdef PSXHW_LOG
			PSXHW_LOG("DMA0 CHCR 32bit write %lx\n", value);
#endif
			HW_DMA0_CHCR = value;        // DMA0 chcr (MDEC in DMA)
			DmaExec(0);
			return;

#ifdef PSXHW_LOG
		case 0x1f801090:
			PSXHW_LOG("DMA1 MADR 32bit write %lx\n", value);
			HW_DMA1_MADR = value; return; // DMA1 madr
		case 0x1f801094:
			PSXHW_LOG("DMA1 BCR 32bit write %lx\n", value);
			HW_DMA1_BCR  = value; return; // DMA1 bcr
#endif
		case 0x1f801098:
#ifdef PSXHW_LOG
			PSXHW_LOG("DMA1 CHCR 32bit write %lx\n", value);
#endif
			HW_DMA1_CHCR = value;        // DMA1 chcr (MDEC out DMA)
			DmaExec(1);
			return;
		
#ifdef PSXHW_LOG
		case 0x1f8010a0:
			PSXHW_LOG("DMA2 MADR 32bit write %lx\n", value);
			HW_DMA2_MADR = value; return; // DMA2 madr
		case 0x1f8010a4:
			PSXHW_LOG("DMA2 BCR 32bit write %lx\n", value);
			HW_DMA2_BCR  = value; return; // DMA2 bcr
#endif
		case 0x1f8010a8:
#ifdef PSXHW_LOG
			PSXHW_LOG("DMA2 CHCR 32bit write %lx\n", value);
#endif
			HW_DMA2_CHCR = value;        // DMA2 chcr (GPU DMA)
			DmaExec(2);
			return;

#ifdef PSXHW_LOG
		case 0x1f8010b0:
			PSXHW_LOG("DMA3 MADR 32bit write %lx\n", value);
			HW_DMA3_MADR = value; return; // DMA3 madr
		case 0x1f8010b4:
			PSXHW_LOG("DMA3 BCR 32bit write %lx\n", value);
			HW_DMA3_BCR  = value; return; // DMA3 bcr
#endif
		case 0x1f8010b8:
#ifdef PSXHW_LOG
			PSXHW_LOG("DMA3 CHCR 32bit write %lx\n", value);
#endif
			HW_DMA3_CHCR = value;        // DMA3 chcr (CDROM DMA)
			DmaExec(3);
			
			return;

#ifdef PSXHW_LOG
		case 0x1f8010c0:
			PSXHW_LOG("DMA4 MADR 32bit write %lx\n", value);
			HW_DMA4_MADR = value; return; // DMA4 madr
		case 0x1f8010c4:
			PSXHW_LOG("DMA4 BCR 32bit write %lx\n", value);
			HW_DMA4_BCR  = value; return; // DMA4 bcr
#endif
		case 0x1f8010c8:
#ifdef PSXHW_LOG
			PSXHW_LOG("DMA4 CHCR 32bit write %lx\n", value);
#endif
			HW_DMA4_CHCR = value;        // DMA4 chcr (SPU DMA)
			DmaExec(4);
			return;

#if 0
		case 0x1f8010d0: break; //DMA5write_madr();
		case 0x1f8010d4: break; //DMA5write_bcr();
		case 0x1f8010d8: break; //DMA5write_chcr(); // Not yet needed??
#endif

#ifdef PSXHW_LOG
		case 0x1f8010e0:
			PSXHW_LOG("DMA6 MADR 32bit write %lx\n", value);
			HW_DMA6_MADR = value; return; // DMA6 bcr
		case 0x1f8010e4:
			PSXHW_LOG("DMA6 BCR 32bit write %lx\n", value);
			HW_DMA6_BCR  = value; return; // DMA6 bcr
#endif
		case 0x1f8010e8:
#ifdef PSXHW_LOG
			PSXHW_LOG("DMA6 CHCR 32bit write %lx\n", value);
#endif
			HW_DMA6_CHCR = value;         // DMA6 chcr (OT clear)
			DmaExec(6);
			return;

#ifdef PSXHW_LOG
		case 0x1f8010f0:
			PSXHW_LOG("DMA PCR 32bit write %lx\n", value);
			HW_DMA_PCR = value;
			return;
#endif

		case 0x1f8010f4:
#ifdef PSXHW_LOG
			PSXHW_LOG("DMA ICR 32bit write %lx\n", value);
#endif
		{
			u32 tmp = (~value) & HW_DMA_ICR;
			HW_DMA_ICR = ((tmp ^ value) & 0xffffff) ^ tmp;
			return;
		}

		case 0x1f801810:
#ifdef PSXHW_LOG
			PSXHW_LOG("GPU DATA 32bit write %lx\n", value);
#endif
			GPU_writeData(value); return;
		case 0x1f801814:
#ifdef PSXHW_LOG
			PSXHW_LOG("GPU STATUS 32bit write %lx\n", value);
#endif
			GPU_writeStatus(value); return;

		case 0x1f801820:
			mdecWrite0(value); break;
		case 0x1f801824:
			mdecWrite1(value); break;

		case 0x1f801100:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 0 COUNT 32bit write %lx\n", value);
#endif
			psxRcntWcount(0, value & 0xffff); return;
		case 0x1f801104:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 0 MODE 32bit write %lx\n", value);
#endif
			psxRcntWmode(0, value); return;
		case 0x1f801108:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 0 TARGET 32bit write %lx\n", value);
#endif
			psxRcntWtarget(0, value & 0xffff); return; //  HW_DMA_ICR&= (~value)&0xff000000;

		case 0x1f801110:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 1 COUNT 32bit write %lx\n", value);
#endif
			psxRcntWcount(1, value & 0xffff); return;
		case 0x1f801114:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 1 MODE 32bit write %lx\n", value);
#endif
			psxRcntWmode(1, value); return;
		case 0x1f801118:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 1 TARGET 32bit write %lx\n", value);
#endif
			psxRcntWtarget(1, value & 0xffff); return;

		case 0x1f801120:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 2 COUNT 32bit write %lx\n", value);
#endif
			psxRcntWcount(2, value & 0xffff); return;
		case 0x1f801124:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 2 MODE 32bit write %lx\n", value);
#endif
			psxRcntWmode(2, value); return;
		case 0x1f801128:
#ifdef PSXHW_LOG
			PSXHW_LOG("COUNTER 2 TARGET 32bit write %lx\n", value);
#endif
			psxRcntWtarget(2, value & 0xffff); return;

		default:
			psxHu32(add) = value;
#ifdef PSXHW_LOG
			PSXHW_LOG("*Unknown 32bit write at address %lx value %lx\n", add, value);
#endif
			return;
	}
	psxHu32(add) = value;
#ifdef PSXHW_LOG
	PSXHW_LOG("*Known 32bit write at address %lx value %lx\n", add, value);
#endif
}

int psxHwFreeze(gzFile f, int Mode) {
	char Unused[4096];

	gzfreezel(Unused);

	return 0;
}