[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"

#include "memmap.h"

#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"
ce0e7ac9	31
ce0e7ac9	32	#include "memmap.h"
ef79bbde P	33
	34	#ifndef MAP_ANONYMOUS
	35	#define MAP_ANONYMOUS MAP_ANON
	36	#endif
	37
87e5b45f	38	void (psxMapHook)(unsigned long addr, size_t size, int is_fixed,
	39	enum psxMapTag tag);
	40	void (psxUnmapHook)(void ptr, size_t size, enum psxMapTag tag);
	41
	42	void *psxMap(unsigned long addr, size_t size, int is_fixed,
	43	enum psxMapTag tag)
	44	{
	45	int flags = MAP_PRIVATE \| MAP_ANONYMOUS;
b0dd9956	46	int tried_to_align = 0;
b0dd9956	47	unsigned long mask;
87e5b45f	48	void req, ret;
87e5b45f	49
b0dd9956	50	retry:
	51	if (psxMapHook != NULL) {
	52	ret = psxMapHook(addr, size, is_fixed, tag);
	53	goto out;
	54	}
87e5b45f	55
0069615f	56	/* avoid MAP_FIXED, it overrides existing mappings.. */
	57	/* if (is_fixed)
	58	flags \|= MAP_FIXED; */
87e5b45f	59
	60	req = (void *)addr;
	61	ret = mmap(req, size, PROT_READ \| PROT_WRITE, flags, -1, 0);
	62	if (ret == MAP_FAILED)
	63	return NULL;
	64
b0dd9956	65	out:
	66	if (addr != 0 && ret != (void *)addr) {
	67	SysMessage("psxMap: warning: wanted to map @%08x, got %p\n",
	68	addr, ret);
	69
0069615f	70	if (is_fixed) {
	71	psxUnmap(ret, size, tag);
	72	return NULL;
	73	}
	74
b0dd9956	75	if (ret != NULL && ((addr ^ (long)ret) & 0x00ffffff)
	76	&& !tried_to_align)
	77	{
	78	psxUnmap(ret, size, tag);
	79
	80	// try to use similarly aligned memory instead
	81	// (recompiler needs this)
	82	mask = (addr - 1) & ~addr & 0x07ffffff;
	83	addr = (unsigned long)(ret + mask) & ~mask;
	84	tried_to_align = 1;
	85	goto retry;
	86	}
	87	}
87e5b45f	88
	89	return ret;
	90	}
	91
	92	void psxUnmap(void *ptr, size_t size, enum psxMapTag tag)
	93	{
	94	if (psxUnmapHook != NULL) {
	95	psxUnmapHook(ptr, size, tag);
	96	return;
	97	}
	98
88901dd2	99	if (ptr)
88901dd2	100	munmap(ptr, size);
87e5b45f	101	}
87e5b45f	102
ef79bbde P	103	s8 *psxM = NULL; // Kernel & User Memory (2 Meg)
	104	s8 *psxP = NULL; // Parallel Port (64K)
	105	s8 *psxR = NULL; // BIOS ROM (512K)
	106	s8 *psxH = NULL; // Scratch Pad (1K) & Hardware Registers (8K)
	107
	108	u8 **psxMemWLUT = NULL;
	109	u8 **psxMemRLUT = NULL;
	110
	111	/* Playstation Memory Map (from Playstation doc by Joshua Walker)
	112	0x0000_0000-0x0000_ffff Kernel (64K)
	113	0x0001_0000-0x001f_ffff User Memory (1.9 Meg)
	114
	115	0x1f00_0000-0x1f00_ffff Parallel Port (64K)
	116
	117	0x1f80_0000-0x1f80_03ff Scratch Pad (1024 bytes)
	118
	119	0x1f80_1000-0x1f80_2fff Hardware Registers (8K)
	120
	121	0x1fc0_0000-0x1fc7_ffff BIOS (512K)
	122
	123	0x8000_0000-0x801f_ffff Kernel and User Memory Mirror (2 Meg) Cached
	124	0x9fc0_0000-0x9fc7_ffff BIOS Mirror (512K) Cached
	125
	126	0xa000_0000-0xa01f_ffff Kernel and User Memory Mirror (2 Meg) Uncached
	127	0xbfc0_0000-0xbfc7_ffff BIOS Mirror (512K) Uncached
	128	*/
	129
	130	int psxMemInit() {
	131	int i;
	132
	133	psxMemRLUT = (u8 *)malloc(0x10000 sizeof(void *));
	134	psxMemWLUT = (u8 *)malloc(0x10000 sizeof(void *));
	135	memset(psxMemRLUT, 0, 0x10000 * sizeof(void *));
	136	memset(psxMemWLUT, 0, 0x10000 * sizeof(void *));
	137
87e5b45f	138	psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM);
a327ad27	139	#ifndef RAM_FIXED
a4874585 C	140	#ifdef __BLACKBERRY_QNX__
a4874585 C	141	if (psxM == NULL)
f23d3386	142	psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM);
a4874585	143	#else
87e5b45f	144	if (psxM == NULL)
b0dd9956	145	psxM = psxMap(0x78000000, 0x00210000, 0, MAP_TAG_RAM);
a4874585	146	#endif
a327ad27	147	#endif
87e5b45f	148	if (psxM == NULL) {
a327ad27	149	SysMessage(_("mapping main RAM failed"));
	150	return -1;
	151	}
ef79bbde P	152
ef79bbde P	153	psxP = &psxM[0x200000];
6d760c92	154	psxH = psxMap(0x1f800000, 0x10000, 0, MAP_TAG_OTHER);
87e5b45f	155	psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER);
ef79bbde P	156
ef79bbde P	157	if (psxMemRLUT == NULL \|\| psxMemWLUT == NULL \|\|
6d760c92	158	psxR == NULL \|\| psxP == NULL \|\| psxH == NULL) {
ef79bbde	159	SysMessage(_("Error allocating memory!"));
88901dd2	160	psxMemShutdown();
ef79bbde P	161	return -1;
	162	}
	163
	164	// MemR
	165	for (i = 0; i < 0x80; i++) psxMemRLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];
	166
	167	memcpy(psxMemRLUT + 0x8000, psxMemRLUT, 0x80 * sizeof(void *));
	168	memcpy(psxMemRLUT + 0xa000, psxMemRLUT, 0x80 * sizeof(void *));
	169
	170	psxMemRLUT[0x1f00] = (u8 *)psxP;
	171	psxMemRLUT[0x1f80] = (u8 *)psxH;
	172
	173	for (i = 0; i < 0x08; i++) psxMemRLUT[i + 0x1fc0] = (u8 *)&psxR[i << 16];
	174
	175	memcpy(psxMemRLUT + 0x9fc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	176	memcpy(psxMemRLUT + 0xbfc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	177
	178	// MemW
	179	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];
	180
	181	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	182	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
	183
	184	psxMemWLUT[0x1f00] = (u8 *)psxP;
	185	psxMemWLUT[0x1f80] = (u8 *)psxH;
	186
	187	return 0;
	188	}
	189
	190	void psxMemReset() {
	191	FILE *f = NULL;
	192	char bios[1024];
	193
	194	memset(psxM, 0, 0x00200000);
	195	memset(psxP, 0, 0x00010000);
	196
	197	if (strcmp(Config.Bios, "HLE") != 0) {
	198	sprintf(bios, "%s/%s", Config.BiosDir, Config.Bios);
	199	f = fopen(bios, "rb");
	200
	201	if (f == NULL) {
	202	SysMessage(_("Could not open BIOS:\"%s\". Enabling HLE Bios!\n"), bios);
	203	memset(psxR, 0, 0x80000);
	204	Config.HLE = TRUE;
	205	} else {
	206	fread(psxR, 1, 0x80000, f);
	207	fclose(f);
	208	Config.HLE = FALSE;
	209	}
	210	} else Config.HLE = TRUE;
	211	}
	212
	213	void psxMemShutdown() {
88901dd2	214	psxUnmap(psxM, 0x00210000, MAP_TAG_RAM); psxM = NULL;
	215	psxUnmap(psxH, 0x10000, MAP_TAG_OTHER); psxH = NULL;
	216	psxUnmap(psxR, 0x80000, MAP_TAG_OTHER); psxR = NULL;
ef79bbde	217
88901dd2	218	free(psxMemRLUT); psxMemRLUT = NULL;
88901dd2	219	free(psxMemWLUT); psxMemWLUT = NULL;
ef79bbde P	220	}
	221
	222	static int writeok = 1;
	223
	224	u8 psxMemRead8(u32 mem) {
	225	char *p;
	226	u32 t;
	227
	228	t = mem >> 16;
9dd7d179	229	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	230	if ((mem & 0xffff) < 0x400)
ef79bbde P	231	return psxHu8(mem);
	232	else
	233	return psxHwRead8(mem);
	234	} else {
	235	p = (char *)(psxMemRLUT[t]);
	236	if (p != NULL) {
	237	if (Config.Debug)
	238	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R1);
	239	return (u8 )(p + (mem & 0xffff));
	240	} else {
	241	#ifdef PSXMEM_LOG
	242	PSXMEM_LOG("err lb %8.8lx\n", mem);
	243	#endif
	244	return 0;
	245	}
	246	}
	247	}
	248
	249	u16 psxMemRead16(u32 mem) {
	250	char *p;
	251	u32 t;
	252
	253	t = mem >> 16;
9dd7d179	254	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	255	if ((mem & 0xffff) < 0x400)
ef79bbde P	256	return psxHu16(mem);
	257	else
	258	return psxHwRead16(mem);
	259	} else {
	260	p = (char *)(psxMemRLUT[t]);
	261	if (p != NULL) {
	262	if (Config.Debug)
	263	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R2);
	264	return SWAPu16((u16 )(p + (mem & 0xffff)));
	265	} else {
	266	#ifdef PSXMEM_LOG
	267	PSXMEM_LOG("err lh %8.8lx\n", mem);
	268	#endif
	269	return 0;
	270	}
	271	}
	272	}
	273
	274	u32 psxMemRead32(u32 mem) {
	275	char *p;
	276	u32 t;
	277
	278	t = mem >> 16;
9dd7d179	279	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	280	if ((mem & 0xffff) < 0x400)
ef79bbde P	281	return psxHu32(mem);
	282	else
	283	return psxHwRead32(mem);
	284	} else {
	285	p = (char *)(psxMemRLUT[t]);
	286	if (p != NULL) {
	287	if (Config.Debug)
	288	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R4);
	289	return SWAPu32((u32 )(p + (mem & 0xffff)));
	290	} else {
	291	#ifdef PSXMEM_LOG
	292	if (writeok) { PSXMEM_LOG("err lw %8.8lx\n", mem); }
	293	#endif
	294	return 0;
	295	}
	296	}
	297	}
	298
	299	void psxMemWrite8(u32 mem, u8 value) {
	300	char *p;
	301	u32 t;
	302
	303	t = mem >> 16;
9dd7d179	304	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	305	if ((mem & 0xffff) < 0x400)
ef79bbde P	306	psxHu8(mem) = value;
	307	else
	308	psxHwWrite8(mem, value);
	309	} else {
	310	p = (char *)(psxMemWLUT[t]);
	311	if (p != NULL) {
	312	if (Config.Debug)
	313	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W1);
	314	(u8 )(p + (mem & 0xffff)) = value;
	315	#ifdef PSXREC
	316	psxCpu->Clear((mem & (~3)), 1);
	317	#endif
	318	} else {
	319	#ifdef PSXMEM_LOG
	320	PSXMEM_LOG("err sb %8.8lx\n", mem);
	321	#endif
	322	}
	323	}
	324	}
	325
	326	void psxMemWrite16(u32 mem, u16 value) {
	327	char *p;
	328	u32 t;
	329
	330	t = mem >> 16;
9dd7d179	331	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	332	if ((mem & 0xffff) < 0x400)
ef79bbde P	333	psxHu16ref(mem) = SWAPu16(value);
	334	else
	335	psxHwWrite16(mem, value);
	336	} else {
	337	p = (char *)(psxMemWLUT[t]);
	338	if (p != NULL) {
	339	if (Config.Debug)
	340	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W2);
	341	(u16 )(p + (mem & 0xffff)) = SWAPu16(value);
	342	#ifdef PSXREC
3e31e934	343	psxCpu->Clear((mem & (~3)), 1);
ef79bbde P	344	#endif
	345	} else {
	346	#ifdef PSXMEM_LOG
	347	PSXMEM_LOG("err sh %8.8lx\n", mem);
	348	#endif
	349	}
	350	}
	351	}
	352
	353	void psxMemWrite32(u32 mem, u32 value) {
	354	char *p;
	355	u32 t;
	356
	357	// if ((mem&0x1fffff) == 0x71E18 \|\| value == 0x48088800) SysPrintf("t2fix!!\n");
	358	t = mem >> 16;
9dd7d179	359	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	360	if ((mem & 0xffff) < 0x400)
ef79bbde P	361	psxHu32ref(mem) = SWAPu32(value);
	362	else
	363	psxHwWrite32(mem, value);
	364	} else {
	365	p = (char *)(psxMemWLUT[t]);
	366	if (p != NULL) {
	367	if (Config.Debug)
	368	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W4);
	369	(u32 )(p + (mem & 0xffff)) = SWAPu32(value);
	370	#ifdef PSXREC
	371	psxCpu->Clear(mem, 1);
	372	#endif
	373	} else {
	374	if (mem != 0xfffe0130) {
	375	#ifdef PSXREC
	376	if (!writeok)
	377	psxCpu->Clear(mem, 1);
	378	#endif
	379
	380	#ifdef PSXMEM_LOG
	381	if (writeok) { PSXMEM_LOG("err sw %8.8lx\n", mem); }
	382	#endif
	383	} else {
	384	int i;
	385
	386	switch (value) {
	387	case 0x800: case 0x804:
	388	if (writeok == 0) break;
	389	writeok = 0;
	390	memset(psxMemWLUT + 0x0000, 0, 0x80 * sizeof(void *));
	391	memset(psxMemWLUT + 0x8000, 0, 0x80 * sizeof(void *));
	392	memset(psxMemWLUT + 0xa000, 0, 0x80 * sizeof(void *));
	393	break;
	394	case 0x00: case 0x1e988:
	395	if (writeok == 1) break;
	396	writeok = 1;
	397	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16];
	398	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	399	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
	400	break;
	401	default:
	402	#ifdef PSXMEM_LOG
	403	PSXMEM_LOG("unk %8.8lx = %x\n", mem, value);
	404	#endif
	405	break;
	406	}
	407	}
	408	}
	409	}
	410	}
	411
	412	void *psxMemPointer(u32 mem) {
	413	char *p;
	414	u32 t;
	415
	416	t = mem >> 16;
9dd7d179	417	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	418	if ((mem & 0xffff) < 0x400)
ef79bbde P	419	return (void *)&psxH[mem];
	420	else
	421	return NULL;
	422	} else {
	423	p = (char *)(psxMemWLUT[t]);
	424	if (p != NULL) {
	425	return (void *)(p + (mem & 0xffff));
	426	}
	427	return NULL;
	428	}
	429	}