[pcsx_rearmed.git] / libpcsxcore / psxmem.c

/***************************************************************************
 *   Copyright (C) 2007 Ryan Schultz, PCSX-df Team, 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.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *
 ***************************************************************************/

/*
* PSX memory functions.
*/

// TODO: Implement caches & cycle penalty.

#include "psxmem.h"
#include "psxmem_map.h"
#include "r3000a.h"
#include "psxhw.h"
#include "debug.h"

#ifdef __LIBRETRO__
#include "memmap.h"
#else
#include <sys/mman.h>
#endif

#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
#endif

void *(*psxMapHook)(unsigned long addr, size_t size, int is_fixed,
		enum psxMapTag tag);
void (*psxUnmapHook)(void *ptr, size_t size, enum psxMapTag tag);

void *psxMap(unsigned long addr, size_t size, int is_fixed,
		enum psxMapTag tag)
{
	int flags = MAP_PRIVATE | MAP_ANONYMOUS;
	int tried_to_align = 0;
	unsigned long mask;
	void *req, *ret;

retry:
	if (psxMapHook != NULL) {
		ret = psxMapHook(addr, size, is_fixed, tag);
		goto out;
	}

	/* avoid MAP_FIXED, it overrides existing mappings.. */
	/* if (is_fixed)
		flags |= MAP_FIXED; */

	req = (void *)addr;
	ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
	if (ret == MAP_FAILED)
		return NULL;

out:
	if (addr != 0 && ret != (void *)addr) {
		SysMessage("psxMap: warning: wanted to map @%08x, got %p\n",
			addr, ret);

		if (is_fixed) {
			psxUnmap(ret, size, tag);
			return NULL;
		}

		if (ret != NULL && ((addr ^ (long)ret) & 0x00ffffff)
		    && !tried_to_align)
		{
			psxUnmap(ret, size, tag);

			// try to use similarly aligned memory instead
			// (recompiler needs this)
			mask = (addr - 1) & ~addr & 0x07ffffff;
			addr = (unsigned long)(ret + mask) & ~mask;
			tried_to_align = 1;
			goto retry;
		}
	}

	return ret;
}

void psxUnmap(void *ptr, size_t size, enum psxMapTag tag)
{
	if (psxUnmapHook != NULL) {
		psxUnmapHook(ptr, size, tag);
		return;
	}

	if (ptr)
		munmap(ptr, size);
}

s8 *psxM = NULL; // Kernel & User Memory (2 Meg)
s8 *psxP = NULL; // Parallel Port (64K)
s8 *psxR = NULL; // BIOS ROM (512K)
s8 *psxH = NULL; // Scratch Pad (1K) & Hardware Registers (8K)

u8 **psxMemWLUT = NULL;
u8 **psxMemRLUT = NULL;

/*  Playstation Memory Map (from Playstation doc by Joshua Walker)
0x0000_0000-0x0000_ffff		Kernel (64K)
0x0001_0000-0x001f_ffff		User Memory (1.9 Meg)

0x1f00_0000-0x1f00_ffff		Parallel Port (64K)

0x1f80_0000-0x1f80_03ff		Scratch Pad (1024 bytes)

0x1f80_1000-0x1f80_2fff		Hardware Registers (8K)

0x1fc0_0000-0x1fc7_ffff		BIOS (512K)

0x8000_0000-0x801f_ffff		Kernel and User Memory Mirror (2 Meg) Cached
0x9fc0_0000-0x9fc7_ffff		BIOS Mirror (512K) Cached

0xa000_0000-0xa01f_ffff		Kernel and User Memory Mirror (2 Meg) Uncached
0xbfc0_0000-0xbfc7_ffff		BIOS Mirror (512K) Uncached
*/

int psxMemInit() {
	int i;

	psxMemRLUT = (u8 **)malloc(0x10000 * sizeof(void *));
	psxMemWLUT = (u8 **)malloc(0x10000 * sizeof(void *));
	memset(psxMemRLUT, 0, 0x10000 * sizeof(void *));
	memset(psxMemWLUT, 0, 0x10000 * sizeof(void *));

	psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM);
#ifndef RAM_FIXED
#ifdef __BLACKBERRY_QNX__
	if (psxM == NULL)
		psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM);
#else
	if (psxM == NULL)
		psxM = psxMap(0x78000000, 0x00210000, 0, MAP_TAG_RAM);
#endif
#endif
	if (psxM == NULL) {
		SysMessage(_("mapping main RAM failed"));
		return -1;
	}

	psxP = &psxM[0x200000];
	psxH = psxMap(0x1f800000, 0x10000, 0, MAP_TAG_OTHER);
	psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER);

	if (psxMemRLUT == NULL || psxMemWLUT == NULL || 
	    psxR == NULL || psxP == NULL || psxH == NULL) {
		SysMessage(_("Error allocating memory!"));
		psxMemShutdown();
		return -1;
	}

// MemR
	for (i = 0; i < 0x80; i++) psxMemRLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];

	memcpy(psxMemRLUT + 0x8000, psxMemRLUT, 0x80 * sizeof(void *));
	memcpy(psxMemRLUT + 0xa000, psxMemRLUT, 0x80 * sizeof(void *));

	psxMemRLUT[0x1f00] = (u8 *)psxP;
	psxMemRLUT[0x1f80] = (u8 *)psxH;

	for (i = 0; i < 0x08; i++) psxMemRLUT[i + 0x1fc0] = (u8 *)&psxR[i << 16];

	memcpy(psxMemRLUT + 0x9fc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	memcpy(psxMemRLUT + 0xbfc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));

// MemW
	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];

	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));

	psxMemWLUT[0x1f00] = (u8 *)psxP;
	psxMemWLUT[0x1f80] = (u8 *)psxH;

	return 0;
}

void psxMemReset() {
	FILE *f = NULL;
	char bios[1024];

	memset(psxM, 0, 0x00200000);
	memset(psxP, 0, 0x00010000);

	if (strcmp(Config.Bios, "HLE") != 0) {
		sprintf(bios, "%s/%s", Config.BiosDir, Config.Bios);
		f = fopen(bios, "rb");

		if (f == NULL) {
			SysMessage(_("Could not open BIOS:\"%s\". Enabling HLE Bios!\n"), bios);
			memset(psxR, 0, 0x80000);
			Config.HLE = TRUE;
		} else {
			fread(psxR, 1, 0x80000, f);
			fclose(f);
			Config.HLE = FALSE;
		}
	} else Config.HLE = TRUE;
}

void psxMemShutdown() {
	psxUnmap(psxM, 0x00210000, MAP_TAG_RAM); psxM = NULL;
	psxUnmap(psxH, 0x10000, MAP_TAG_OTHER); psxH = NULL;
	psxUnmap(psxR, 0x80000, MAP_TAG_OTHER); psxR = NULL;

	free(psxMemRLUT); psxMemRLUT = NULL;
	free(psxMemWLUT); psxMemWLUT = NULL;
}

static int writeok = 1;

u8 psxMemRead8(u32 mem) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			return psxHu8(mem);
		else
			return psxHwRead8(mem);
	} else {
		p = (char *)(psxMemRLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, R1);
			return *(u8 *)(p + (mem & 0xffff));
		} else {
#ifdef PSXMEM_LOG
			PSXMEM_LOG("err lb %8.8lx\n", mem);
#endif
			return 0;
		}
	}
}

u16 psxMemRead16(u32 mem) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			return psxHu16(mem);
		else
			return psxHwRead16(mem);
	} else {
		p = (char *)(psxMemRLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, R2);
			return SWAPu16(*(u16 *)(p + (mem & 0xffff)));
		} else {
#ifdef PSXMEM_LOG
			PSXMEM_LOG("err lh %8.8lx\n", mem);
#endif
			return 0;
		}
	}
}

u32 psxMemRead32(u32 mem) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			return psxHu32(mem);
		else
			return psxHwRead32(mem);
	} else {
		p = (char *)(psxMemRLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, R4);
			return SWAPu32(*(u32 *)(p + (mem & 0xffff)));
		} else {
#ifdef PSXMEM_LOG
			if (writeok) { PSXMEM_LOG("err lw %8.8lx\n", mem); }
#endif
			return 0;
		}
	}
}

void psxMemWrite8(u32 mem, u8 value) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			psxHu8(mem) = value;
		else
			psxHwWrite8(mem, value);
	} else {
		p = (char *)(psxMemWLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, W1);
			*(u8 *)(p + (mem & 0xffff)) = value;
#ifdef PSXREC
			psxCpu->Clear((mem & (~3)), 1);
#endif
		} else {
#ifdef PSXMEM_LOG
			PSXMEM_LOG("err sb %8.8lx\n", mem);
#endif
		}
	}
}

void psxMemWrite16(u32 mem, u16 value) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			psxHu16ref(mem) = SWAPu16(value);
		else
			psxHwWrite16(mem, value);
	} else {
		p = (char *)(psxMemWLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, W2);
			*(u16 *)(p + (mem & 0xffff)) = SWAPu16(value);
#ifdef PSXREC
			psxCpu->Clear((mem & (~3)), 1);
#endif
		} else {
#ifdef PSXMEM_LOG
			PSXMEM_LOG("err sh %8.8lx\n", mem);
#endif
		}
	}
}

void psxMemWrite32(u32 mem, u32 value) {
	char *p;
	u32 t;

//	if ((mem&0x1fffff) == 0x71E18 || value == 0x48088800) SysPrintf("t2fix!!\n");
	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			psxHu32ref(mem) = SWAPu32(value);
		else
			psxHwWrite32(mem, value);
	} else {
		p = (char *)(psxMemWLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, W4);
			*(u32 *)(p + (mem & 0xffff)) = SWAPu32(value);
#ifdef PSXREC
			psxCpu->Clear(mem, 1);
#endif
		} else {
			if (mem != 0xfffe0130) {
#ifdef PSXREC
				if (!writeok)
					psxCpu->Clear(mem, 1);
#endif

#ifdef PSXMEM_LOG
				if (writeok) { PSXMEM_LOG("err sw %8.8lx\n", mem); }
#endif
			} else {
				int i;

				switch (value) {
					case 0x800: case 0x804:
						if (writeok == 0) break;
						writeok = 0;
						memset(psxMemWLUT + 0x0000, 0, 0x80 * sizeof(void *));
						memset(psxMemWLUT + 0x8000, 0, 0x80 * sizeof(void *));
						memset(psxMemWLUT + 0xa000, 0, 0x80 * sizeof(void *));
						break;
					case 0x00: case 0x1e988:
						if (writeok == 1) break;
						writeok = 1;
						for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16];
						memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
						memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
						break;
					default:
#ifdef PSXMEM_LOG
						PSXMEM_LOG("unk %8.8lx = %x\n", mem, value);
#endif
						break;
				}
			}
		}
	}
}

void *psxMemPointer(u32 mem) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			return (void *)&psxH[mem];
		else
			return NULL;
	} else {
		p = (char *)(psxMemWLUT[t]);
		if (p != NULL) {
			return (void *)(p + (mem & 0xffff));
		}
		return NULL;
	}
}
Commit	Line	Data
ef79bbde P	1	/***************************************************************************
	2	* Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
	3	* *
	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. *
	8	* *
	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. *
	13	* *
	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	***************************************************************************/
	19
	20	/*
	21	* PSX memory functions.
	22	*/
	23
	24	// TODO: Implement caches & cycle penalty.
	25
	26	#include "psxmem.h"
87e5b45f	27	#include "psxmem_map.h"
ef79bbde P	28	#include "r3000a.h"
ef79bbde P	29	#include "psxhw.h"
fc8145b7	30	#include "debug.h"
3a92bf0b	31
	32	#ifdef __LIBRETRO__
	33	#include "memmap.h"
	34	#else
ef79bbde	35	#include <sys/mman.h>
3a92bf0b	36	#endif
ef79bbde P	37
	38	#ifndef MAP_ANONYMOUS
	39	#define MAP_ANONYMOUS MAP_ANON
	40	#endif
	41
87e5b45f	42	void (psxMapHook)(unsigned long addr, size_t size, int is_fixed,
	43	enum psxMapTag tag);
	44	void (psxUnmapHook)(void ptr, size_t size, enum psxMapTag tag);
	45
	46	void *psxMap(unsigned long addr, size_t size, int is_fixed,
	47	enum psxMapTag tag)
	48	{
	49	int flags = MAP_PRIVATE \| MAP_ANONYMOUS;
b0dd9956	50	int tried_to_align = 0;
b0dd9956	51	unsigned long mask;
87e5b45f	52	void req, ret;
87e5b45f	53
b0dd9956	54	retry:
	55	if (psxMapHook != NULL) {
	56	ret = psxMapHook(addr, size, is_fixed, tag);
	57	goto out;
	58	}
87e5b45f	59
0069615f	60	/* avoid MAP_FIXED, it overrides existing mappings.. */
	61	/* if (is_fixed)
	62	flags \|= MAP_FIXED; */
87e5b45f	63
	64	req = (void *)addr;
	65	ret = mmap(req, size, PROT_READ \| PROT_WRITE, flags, -1, 0);
	66	if (ret == MAP_FAILED)
	67	return NULL;
	68
b0dd9956	69	out:
	70	if (addr != 0 && ret != (void *)addr) {
	71	SysMessage("psxMap: warning: wanted to map @%08x, got %p\n",
	72	addr, ret);
	73
0069615f	74	if (is_fixed) {
	75	psxUnmap(ret, size, tag);
	76	return NULL;
	77	}
	78
b0dd9956	79	if (ret != NULL && ((addr ^ (long)ret) & 0x00ffffff)
	80	&& !tried_to_align)
	81	{
	82	psxUnmap(ret, size, tag);
	83
	84	// try to use similarly aligned memory instead
	85	// (recompiler needs this)
	86	mask = (addr - 1) & ~addr & 0x07ffffff;
	87	addr = (unsigned long)(ret + mask) & ~mask;
	88	tried_to_align = 1;
	89	goto retry;
	90	}
	91	}
87e5b45f	92
	93	return ret;
	94	}
	95
	96	void psxUnmap(void *ptr, size_t size, enum psxMapTag tag)
	97	{
	98	if (psxUnmapHook != NULL) {
	99	psxUnmapHook(ptr, size, tag);
	100	return;
	101	}
	102
88901dd2	103	if (ptr)
88901dd2	104	munmap(ptr, size);
87e5b45f	105	}
87e5b45f	106
ef79bbde P	107	s8 *psxM = NULL; // Kernel & User Memory (2 Meg)
	108	s8 *psxP = NULL; // Parallel Port (64K)
	109	s8 *psxR = NULL; // BIOS ROM (512K)
	110	s8 *psxH = NULL; // Scratch Pad (1K) & Hardware Registers (8K)
	111
	112	u8 **psxMemWLUT = NULL;
	113	u8 **psxMemRLUT = NULL;
	114
	115	/* Playstation Memory Map (from Playstation doc by Joshua Walker)
	116	0x0000_0000-0x0000_ffff Kernel (64K)
	117	0x0001_0000-0x001f_ffff User Memory (1.9 Meg)
	118
	119	0x1f00_0000-0x1f00_ffff Parallel Port (64K)
	120
	121	0x1f80_0000-0x1f80_03ff Scratch Pad (1024 bytes)
	122
	123	0x1f80_1000-0x1f80_2fff Hardware Registers (8K)
	124
	125	0x1fc0_0000-0x1fc7_ffff BIOS (512K)
	126
	127	0x8000_0000-0x801f_ffff Kernel and User Memory Mirror (2 Meg) Cached
	128	0x9fc0_0000-0x9fc7_ffff BIOS Mirror (512K) Cached
	129
	130	0xa000_0000-0xa01f_ffff Kernel and User Memory Mirror (2 Meg) Uncached
	131	0xbfc0_0000-0xbfc7_ffff BIOS Mirror (512K) Uncached
	132	*/
	133
	134	int psxMemInit() {
	135	int i;
	136
	137	psxMemRLUT = (u8 *)malloc(0x10000 sizeof(void *));
	138	psxMemWLUT = (u8 *)malloc(0x10000 sizeof(void *));
	139	memset(psxMemRLUT, 0, 0x10000 * sizeof(void *));
	140	memset(psxMemWLUT, 0, 0x10000 * sizeof(void *));
	141
87e5b45f	142	psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM);
a327ad27	143	#ifndef RAM_FIXED
a4874585 C	144	#ifdef __BLACKBERRY_QNX__
a4874585 C	145	if (psxM == NULL)
f23d3386	146	psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM);
a4874585	147	#else
87e5b45f	148	if (psxM == NULL)
b0dd9956	149	psxM = psxMap(0x78000000, 0x00210000, 0, MAP_TAG_RAM);
a4874585	150	#endif
a327ad27	151	#endif
87e5b45f	152	if (psxM == NULL) {
a327ad27	153	SysMessage(_("mapping main RAM failed"));
	154	return -1;
	155	}
ef79bbde P	156
ef79bbde P	157	psxP = &psxM[0x200000];
4726dba0	158	psxH = psxMap(0x1f800000, 0x10000, 0, MAP_TAG_OTHER);
87e5b45f	159	psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER);
ef79bbde P	160
ef79bbde P	161	if (psxMemRLUT == NULL \|\| psxMemWLUT == NULL \|\|
4726dba0	162	psxR == NULL \|\| psxP == NULL \|\| psxH == NULL) {
ef79bbde	163	SysMessage(_("Error allocating memory!"));
88901dd2	164	psxMemShutdown();
ef79bbde P	165	return -1;
	166	}
	167
	168	// MemR
	169	for (i = 0; i < 0x80; i++) psxMemRLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];
	170
	171	memcpy(psxMemRLUT + 0x8000, psxMemRLUT, 0x80 * sizeof(void *));
	172	memcpy(psxMemRLUT + 0xa000, psxMemRLUT, 0x80 * sizeof(void *));
	173
	174	psxMemRLUT[0x1f00] = (u8 *)psxP;
	175	psxMemRLUT[0x1f80] = (u8 *)psxH;
	176
	177	for (i = 0; i < 0x08; i++) psxMemRLUT[i + 0x1fc0] = (u8 *)&psxR[i << 16];
	178
	179	memcpy(psxMemRLUT + 0x9fc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	180	memcpy(psxMemRLUT + 0xbfc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	181
	182	// MemW
	183	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];
	184
	185	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	186	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
	187
	188	psxMemWLUT[0x1f00] = (u8 *)psxP;
	189	psxMemWLUT[0x1f80] = (u8 *)psxH;
	190
	191	return 0;
	192	}
	193
	194	void psxMemReset() {
	195	FILE *f = NULL;
	196	char bios[1024];
	197
	198	memset(psxM, 0, 0x00200000);
	199	memset(psxP, 0, 0x00010000);
	200
	201	if (strcmp(Config.Bios, "HLE") != 0) {
	202	sprintf(bios, "%s/%s", Config.BiosDir, Config.Bios);
	203	f = fopen(bios, "rb");
	204
	205	if (f == NULL) {
	206	SysMessage(_("Could not open BIOS:\"%s\". Enabling HLE Bios!\n"), bios);
	207	memset(psxR, 0, 0x80000);
	208	Config.HLE = TRUE;
	209	} else {
	210	fread(psxR, 1, 0x80000, f);
	211	fclose(f);
	212	Config.HLE = FALSE;
	213	}
	214	} else Config.HLE = TRUE;
	215	}
	216
	217	void psxMemShutdown() {
88901dd2	218	psxUnmap(psxM, 0x00210000, MAP_TAG_RAM); psxM = NULL;
	219	psxUnmap(psxH, 0x10000, MAP_TAG_OTHER); psxH = NULL;
	220	psxUnmap(psxR, 0x80000, MAP_TAG_OTHER); psxR = NULL;
ef79bbde	221
88901dd2	222	free(psxMemRLUT); psxMemRLUT = NULL;
88901dd2	223	free(psxMemWLUT); psxMemWLUT = NULL;
ef79bbde P	224	}
	225
	226	static int writeok = 1;
	227
	228	u8 psxMemRead8(u32 mem) {
	229	char *p;
	230	u32 t;
	231
	232	t = mem >> 16;
9dd7d179	233	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	234	if ((mem & 0xffff) < 0x400)
ef79bbde P	235	return psxHu8(mem);
	236	else
	237	return psxHwRead8(mem);
	238	} else {
	239	p = (char *)(psxMemRLUT[t]);
	240	if (p != NULL) {
	241	if (Config.Debug)
	242	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R1);
	243	return (u8 )(p + (mem & 0xffff));
	244	} else {
	245	#ifdef PSXMEM_LOG
	246	PSXMEM_LOG("err lb %8.8lx\n", mem);
	247	#endif
	248	return 0;
	249	}
	250	}
	251	}
	252
	253	u16 psxMemRead16(u32 mem) {
	254	char *p;
	255	u32 t;
	256
	257	t = mem >> 16;
9dd7d179	258	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	259	if ((mem & 0xffff) < 0x400)
ef79bbde P	260	return psxHu16(mem);
	261	else
	262	return psxHwRead16(mem);
	263	} else {
	264	p = (char *)(psxMemRLUT[t]);
	265	if (p != NULL) {
	266	if (Config.Debug)
	267	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R2);
	268	return SWAPu16((u16 )(p + (mem & 0xffff)));
	269	} else {
	270	#ifdef PSXMEM_LOG
	271	PSXMEM_LOG("err lh %8.8lx\n", mem);
	272	#endif
	273	return 0;
	274	}
	275	}
	276	}
	277
	278	u32 psxMemRead32(u32 mem) {
	279	char *p;
	280	u32 t;
	281
	282	t = mem >> 16;
9dd7d179	283	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	284	if ((mem & 0xffff) < 0x400)
ef79bbde P	285	return psxHu32(mem);
	286	else
	287	return psxHwRead32(mem);
	288	} else {
	289	p = (char *)(psxMemRLUT[t]);
	290	if (p != NULL) {
	291	if (Config.Debug)
	292	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R4);
	293	return SWAPu32((u32 )(p + (mem & 0xffff)));
	294	} else {
	295	#ifdef PSXMEM_LOG
	296	if (writeok) { PSXMEM_LOG("err lw %8.8lx\n", mem); }
	297	#endif
	298	return 0;
	299	}
	300	}
	301	}
	302
	303	void psxMemWrite8(u32 mem, u8 value) {
	304	char *p;
	305	u32 t;
	306
	307	t = mem >> 16;
9dd7d179	308	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	309	if ((mem & 0xffff) < 0x400)
ef79bbde P	310	psxHu8(mem) = value;
	311	else
	312	psxHwWrite8(mem, value);
	313	} else {
	314	p = (char *)(psxMemWLUT[t]);
	315	if (p != NULL) {
	316	if (Config.Debug)
	317	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W1);
	318	(u8 )(p + (mem & 0xffff)) = value;
	319	#ifdef PSXREC
	320	psxCpu->Clear((mem & (~3)), 1);
	321	#endif
	322	} else {
	323	#ifdef PSXMEM_LOG
	324	PSXMEM_LOG("err sb %8.8lx\n", mem);
	325	#endif
	326	}
	327	}
	328	}
	329
	330	void psxMemWrite16(u32 mem, u16 value) {
	331	char *p;
	332	u32 t;
	333
	334	t = mem >> 16;
9dd7d179	335	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	336	if ((mem & 0xffff) < 0x400)
ef79bbde P	337	psxHu16ref(mem) = SWAPu16(value);
	338	else
	339	psxHwWrite16(mem, value);
	340	} else {
	341	p = (char *)(psxMemWLUT[t]);
	342	if (p != NULL) {
	343	if (Config.Debug)
	344	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W2);
	345	(u16 )(p + (mem & 0xffff)) = SWAPu16(value);
	346	#ifdef PSXREC
3e31e934	347	psxCpu->Clear((mem & (~3)), 1);
ef79bbde P	348	#endif
	349	} else {
	350	#ifdef PSXMEM_LOG
	351	PSXMEM_LOG("err sh %8.8lx\n", mem);
	352	#endif
	353	}
	354	}
	355	}
	356
	357	void psxMemWrite32(u32 mem, u32 value) {
	358	char *p;
	359	u32 t;
	360
	361	// if ((mem&0x1fffff) == 0x71E18 \|\| value == 0x48088800) SysPrintf("t2fix!!\n");
	362	t = mem >> 16;
9dd7d179	363	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	364	if ((mem & 0xffff) < 0x400)
ef79bbde P	365	psxHu32ref(mem) = SWAPu32(value);
	366	else
	367	psxHwWrite32(mem, value);
	368	} else {
	369	p = (char *)(psxMemWLUT[t]);
	370	if (p != NULL) {
	371	if (Config.Debug)
	372	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W4);
	373	(u32 )(p + (mem & 0xffff)) = SWAPu32(value);
	374	#ifdef PSXREC
	375	psxCpu->Clear(mem, 1);
	376	#endif
	377	} else {
	378	if (mem != 0xfffe0130) {
	379	#ifdef PSXREC
	380	if (!writeok)
	381	psxCpu->Clear(mem, 1);
	382	#endif
	383
	384	#ifdef PSXMEM_LOG
	385	if (writeok) { PSXMEM_LOG("err sw %8.8lx\n", mem); }
	386	#endif
	387	} else {
	388	int i;
	389
	390	switch (value) {
	391	case 0x800: case 0x804:
	392	if (writeok == 0) break;
	393	writeok = 0;
	394	memset(psxMemWLUT + 0x0000, 0, 0x80 * sizeof(void *));
	395	memset(psxMemWLUT + 0x8000, 0, 0x80 * sizeof(void *));
	396	memset(psxMemWLUT + 0xa000, 0, 0x80 * sizeof(void *));
	397	break;
	398	case 0x00: case 0x1e988:
	399	if (writeok == 1) break;
	400	writeok = 1;
	401	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16];
	402	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	403	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
	404	break;
	405	default:
	406	#ifdef PSXMEM_LOG
	407	PSXMEM_LOG("unk %8.8lx = %x\n", mem, value);
	408	#endif
	409	break;
	410	}
	411	}
	412	}
	413	}
	414	}
	415
	416	void *psxMemPointer(u32 mem) {
	417	char *p;
	418	u32 t;
	419
	420	t = mem >> 16;
9dd7d179	421	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	422	if ((mem & 0xffff) < 0x400)
ef79bbde P	423	return (void *)&psxH[mem];
	424	else
	425	return NULL;
	426	} else {
	427	p = (char *)(psxMemWLUT[t]);
	428	if (p != NULL) {
	429	return (void *)(p + (mem & 0xffff));
	430	}
	431	return NULL;
	432	}
	433	}