[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 <sys/mman.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;
	}

	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, 1, MAP_TAG_OTHER);
	psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER);

	if (psxMemRLUT == NULL || psxMemWLUT == NULL || 
		psxR == NULL || psxP == NULL || psxH != (void *)0x1f800000) {
		SysMessage(_("Error allocating memory!"));
		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);
	psxUnmap(psxH, 0x10000, MAP_TAG_OTHER);
	psxUnmap(psxR, 0x80000, MAP_TAG_OTHER);

	free(psxMemRLUT);
	free(psxMemWLUT);
}

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"
ef79bbde P	31	#include <sys/mman.h>
	32
	33	#ifndef MAP_ANONYMOUS
	34	#define MAP_ANONYMOUS MAP_ANON
	35	#endif
	36
87e5b45f	37	void (psxMapHook)(unsigned long addr, size_t size, int is_fixed,
	38	enum psxMapTag tag);
	39	void (psxUnmapHook)(void ptr, size_t size, enum psxMapTag tag);
	40
	41	void *psxMap(unsigned long addr, size_t size, int is_fixed,
	42	enum psxMapTag tag)
	43	{
	44	int flags = MAP_PRIVATE \| MAP_ANONYMOUS;
b0dd9956	45	int tried_to_align = 0;
b0dd9956	46	unsigned long mask;
87e5b45f	47	void req, ret;
87e5b45f	48
b0dd9956	49	retry:
	50	if (psxMapHook != NULL) {
	51	ret = psxMapHook(addr, size, is_fixed, tag);
	52	goto out;
	53	}
87e5b45f	54
0069615f	55	/* avoid MAP_FIXED, it overrides existing mappings.. */
	56	/* if (is_fixed)
	57	flags \|= MAP_FIXED; */
87e5b45f	58
	59	req = (void *)addr;
	60	ret = mmap(req, size, PROT_READ \| PROT_WRITE, flags, -1, 0);
	61	if (ret == MAP_FAILED)
	62	return NULL;
	63
b0dd9956	64	out:
	65	if (addr != 0 && ret != (void *)addr) {
	66	SysMessage("psxMap: warning: wanted to map @%08x, got %p\n",
	67	addr, ret);
	68
0069615f	69	if (is_fixed) {
	70	psxUnmap(ret, size, tag);
	71	return NULL;
	72	}
	73
b0dd9956	74	if (ret != NULL && ((addr ^ (long)ret) & 0x00ffffff)
	75	&& !tried_to_align)
	76	{
	77	psxUnmap(ret, size, tag);
	78
	79	// try to use similarly aligned memory instead
	80	// (recompiler needs this)
	81	mask = (addr - 1) & ~addr & 0x07ffffff;
	82	addr = (unsigned long)(ret + mask) & ~mask;
	83	tried_to_align = 1;
	84	goto retry;
	85	}
	86	}
87e5b45f	87
	88	return ret;
	89	}
	90
	91	void psxUnmap(void *ptr, size_t size, enum psxMapTag tag)
	92	{
	93	if (psxUnmapHook != NULL) {
	94	psxUnmapHook(ptr, size, tag);
	95	return;
	96	}
	97
	98	munmap(ptr, size);
	99	}
	100
ef79bbde P	101	s8 *psxM = NULL; // Kernel & User Memory (2 Meg)
	102	s8 *psxP = NULL; // Parallel Port (64K)
	103	s8 *psxR = NULL; // BIOS ROM (512K)
	104	s8 *psxH = NULL; // Scratch Pad (1K) & Hardware Registers (8K)
	105
	106	u8 **psxMemWLUT = NULL;
	107	u8 **psxMemRLUT = NULL;
	108
	109	/* Playstation Memory Map (from Playstation doc by Joshua Walker)
	110	0x0000_0000-0x0000_ffff Kernel (64K)
	111	0x0001_0000-0x001f_ffff User Memory (1.9 Meg)
	112
	113	0x1f00_0000-0x1f00_ffff Parallel Port (64K)
	114
	115	0x1f80_0000-0x1f80_03ff Scratch Pad (1024 bytes)
	116
	117	0x1f80_1000-0x1f80_2fff Hardware Registers (8K)
	118
	119	0x1fc0_0000-0x1fc7_ffff BIOS (512K)
	120
	121	0x8000_0000-0x801f_ffff Kernel and User Memory Mirror (2 Meg) Cached
	122	0x9fc0_0000-0x9fc7_ffff BIOS Mirror (512K) Cached
	123
	124	0xa000_0000-0xa01f_ffff Kernel and User Memory Mirror (2 Meg) Uncached
	125	0xbfc0_0000-0xbfc7_ffff BIOS Mirror (512K) Uncached
	126	*/
	127
	128	int psxMemInit() {
	129	int i;
	130
	131	psxMemRLUT = (u8 *)malloc(0x10000 sizeof(void *));
	132	psxMemWLUT = (u8 *)malloc(0x10000 sizeof(void *));
	133	memset(psxMemRLUT, 0, 0x10000 * sizeof(void *));
	134	memset(psxMemWLUT, 0, 0x10000 * sizeof(void *));
	135
87e5b45f	136	psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM);
a327ad27	137	#ifndef RAM_FIXED
a4874585 C	138	#ifdef __BLACKBERRY_QNX__
a4874585 C	139	if (psxM == NULL)
f23d3386	140	psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM);
a4874585	141	#else
87e5b45f	142	if (psxM == NULL)
b0dd9956	143	psxM = psxMap(0x78000000, 0x00210000, 0, MAP_TAG_RAM);
a4874585	144	#endif
a327ad27	145	#endif
87e5b45f	146	if (psxM == NULL) {
a327ad27	147	SysMessage(_("mapping main RAM failed"));
	148	return -1;
	149	}
ef79bbde P	150
ef79bbde P	151	psxP = &psxM[0x200000];
87e5b45f	152	psxH = psxMap(0x1f800000, 0x10000, 1, MAP_TAG_OTHER);
87e5b45f	153	psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER);
ef79bbde P	154
ef79bbde P	155	if (psxMemRLUT == NULL \|\| psxMemWLUT == NULL \|\|
87e5b45f	156	psxR == NULL \|\| psxP == NULL \|\| psxH != (void *)0x1f800000) {
ef79bbde P	157	SysMessage(_("Error allocating memory!"));
	158	return -1;
	159	}
	160
	161	// MemR
	162	for (i = 0; i < 0x80; i++) psxMemRLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];
	163
	164	memcpy(psxMemRLUT + 0x8000, psxMemRLUT, 0x80 * sizeof(void *));
	165	memcpy(psxMemRLUT + 0xa000, psxMemRLUT, 0x80 * sizeof(void *));
	166
	167	psxMemRLUT[0x1f00] = (u8 *)psxP;
	168	psxMemRLUT[0x1f80] = (u8 *)psxH;
	169
	170	for (i = 0; i < 0x08; i++) psxMemRLUT[i + 0x1fc0] = (u8 *)&psxR[i << 16];
	171
	172	memcpy(psxMemRLUT + 0x9fc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	173	memcpy(psxMemRLUT + 0xbfc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	174
	175	// MemW
	176	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];
	177
	178	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	179	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
	180
	181	psxMemWLUT[0x1f00] = (u8 *)psxP;
	182	psxMemWLUT[0x1f80] = (u8 *)psxH;
	183
	184	return 0;
	185	}
	186
	187	void psxMemReset() {
	188	FILE *f = NULL;
	189	char bios[1024];
	190
	191	memset(psxM, 0, 0x00200000);
	192	memset(psxP, 0, 0x00010000);
	193
	194	if (strcmp(Config.Bios, "HLE") != 0) {
	195	sprintf(bios, "%s/%s", Config.BiosDir, Config.Bios);
	196	f = fopen(bios, "rb");
	197
	198	if (f == NULL) {
	199	SysMessage(_("Could not open BIOS:\"%s\". Enabling HLE Bios!\n"), bios);
	200	memset(psxR, 0, 0x80000);
	201	Config.HLE = TRUE;
	202	} else {
	203	fread(psxR, 1, 0x80000, f);
	204	fclose(f);
	205	Config.HLE = FALSE;
	206	}
	207	} else Config.HLE = TRUE;
	208	}
	209
	210	void psxMemShutdown() {
87e5b45f	211	psxUnmap(psxM, 0x00210000, MAP_TAG_RAM);
30773ad7	212	psxUnmap(psxH, 0x10000, MAP_TAG_OTHER);
87e5b45f	213	psxUnmap(psxR, 0x80000, MAP_TAG_OTHER);
ef79bbde	214
ef79bbde P	215	free(psxMemRLUT);
	216	free(psxMemWLUT);
	217	}
	218
	219	static int writeok = 1;
	220
	221	u8 psxMemRead8(u32 mem) {
	222	char *p;
	223	u32 t;
	224
	225	t = mem >> 16;
9dd7d179	226	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	227	if ((mem & 0xffff) < 0x400)
ef79bbde P	228	return psxHu8(mem);
	229	else
	230	return psxHwRead8(mem);
	231	} else {
	232	p = (char *)(psxMemRLUT[t]);
	233	if (p != NULL) {
	234	if (Config.Debug)
	235	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R1);
	236	return (u8 )(p + (mem & 0xffff));
	237	} else {
	238	#ifdef PSXMEM_LOG
	239	PSXMEM_LOG("err lb %8.8lx\n", mem);
	240	#endif
	241	return 0;
	242	}
	243	}
	244	}
	245
	246	u16 psxMemRead16(u32 mem) {
	247	char *p;
	248	u32 t;
	249
	250	t = mem >> 16;
9dd7d179	251	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	252	if ((mem & 0xffff) < 0x400)
ef79bbde P	253	return psxHu16(mem);
	254	else
	255	return psxHwRead16(mem);
	256	} else {
	257	p = (char *)(psxMemRLUT[t]);
	258	if (p != NULL) {
	259	if (Config.Debug)
	260	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R2);
	261	return SWAPu16((u16 )(p + (mem & 0xffff)));
	262	} else {
	263	#ifdef PSXMEM_LOG
	264	PSXMEM_LOG("err lh %8.8lx\n", mem);
	265	#endif
	266	return 0;
	267	}
	268	}
	269	}
	270
	271	u32 psxMemRead32(u32 mem) {
	272	char *p;
	273	u32 t;
	274
	275	t = mem >> 16;
9dd7d179	276	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	277	if ((mem & 0xffff) < 0x400)
ef79bbde P	278	return psxHu32(mem);
	279	else
	280	return psxHwRead32(mem);
	281	} else {
	282	p = (char *)(psxMemRLUT[t]);
	283	if (p != NULL) {
	284	if (Config.Debug)
	285	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R4);
	286	return SWAPu32((u32 )(p + (mem & 0xffff)));
	287	} else {
	288	#ifdef PSXMEM_LOG
	289	if (writeok) { PSXMEM_LOG("err lw %8.8lx\n", mem); }
	290	#endif
	291	return 0;
	292	}
	293	}
	294	}
	295
	296	void psxMemWrite8(u32 mem, u8 value) {
	297	char *p;
	298	u32 t;
	299
	300	t = mem >> 16;
9dd7d179	301	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	302	if ((mem & 0xffff) < 0x400)
ef79bbde P	303	psxHu8(mem) = value;
	304	else
	305	psxHwWrite8(mem, value);
	306	} else {
	307	p = (char *)(psxMemWLUT[t]);
	308	if (p != NULL) {
	309	if (Config.Debug)
	310	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W1);
	311	(u8 )(p + (mem & 0xffff)) = value;
	312	#ifdef PSXREC
	313	psxCpu->Clear((mem & (~3)), 1);
	314	#endif
	315	} else {
	316	#ifdef PSXMEM_LOG
	317	PSXMEM_LOG("err sb %8.8lx\n", mem);
	318	#endif
	319	}
	320	}
	321	}
	322
	323	void psxMemWrite16(u32 mem, u16 value) {
	324	char *p;
	325	u32 t;
	326
	327	t = mem >> 16;
9dd7d179	328	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	329	if ((mem & 0xffff) < 0x400)
ef79bbde P	330	psxHu16ref(mem) = SWAPu16(value);
	331	else
	332	psxHwWrite16(mem, value);
	333	} else {
	334	p = (char *)(psxMemWLUT[t]);
	335	if (p != NULL) {
	336	if (Config.Debug)
	337	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W2);
	338	(u16 )(p + (mem & 0xffff)) = SWAPu16(value);
	339	#ifdef PSXREC
3e31e934	340	psxCpu->Clear((mem & (~3)), 1);
ef79bbde P	341	#endif
	342	} else {
	343	#ifdef PSXMEM_LOG
	344	PSXMEM_LOG("err sh %8.8lx\n", mem);
	345	#endif
	346	}
	347	}
	348	}
	349
	350	void psxMemWrite32(u32 mem, u32 value) {
	351	char *p;
	352	u32 t;
	353
	354	// if ((mem&0x1fffff) == 0x71E18 \|\| value == 0x48088800) SysPrintf("t2fix!!\n");
	355	t = mem >> 16;
9dd7d179	356	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	357	if ((mem & 0xffff) < 0x400)
ef79bbde P	358	psxHu32ref(mem) = SWAPu32(value);
	359	else
	360	psxHwWrite32(mem, value);
	361	} else {
	362	p = (char *)(psxMemWLUT[t]);
	363	if (p != NULL) {
	364	if (Config.Debug)
	365	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W4);
	366	(u32 )(p + (mem & 0xffff)) = SWAPu32(value);
	367	#ifdef PSXREC
	368	psxCpu->Clear(mem, 1);
	369	#endif
	370	} else {
	371	if (mem != 0xfffe0130) {
	372	#ifdef PSXREC
	373	if (!writeok)
	374	psxCpu->Clear(mem, 1);
	375	#endif
	376
	377	#ifdef PSXMEM_LOG
	378	if (writeok) { PSXMEM_LOG("err sw %8.8lx\n", mem); }
	379	#endif
	380	} else {
	381	int i;
	382
	383	switch (value) {
	384	case 0x800: case 0x804:
	385	if (writeok == 0) break;
	386	writeok = 0;
	387	memset(psxMemWLUT + 0x0000, 0, 0x80 * sizeof(void *));
	388	memset(psxMemWLUT + 0x8000, 0, 0x80 * sizeof(void *));
	389	memset(psxMemWLUT + 0xa000, 0, 0x80 * sizeof(void *));
	390	break;
	391	case 0x00: case 0x1e988:
	392	if (writeok == 1) break;
	393	writeok = 1;
	394	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16];
	395	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	396	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
	397	break;
	398	default:
	399	#ifdef PSXMEM_LOG
	400	PSXMEM_LOG("unk %8.8lx = %x\n", mem, value);
	401	#endif
	402	break;
	403	}
	404	}
	405	}
	406	}
	407	}
	408
	409	void *psxMemPointer(u32 mem) {
	410	char *p;
	411	u32 t;
	412
	413	t = mem >> 16;
9dd7d179	414	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	415	if ((mem & 0xffff) < 0x400)
ef79bbde P	416	return (void *)&psxH[mem];
	417	else
	418	return NULL;
	419	} else {
	420	p = (char *)(psxMemWLUT[t]);
	421	if (p != NULL) {
	422	return (void *)(p + (mem & 0xffff));
	423	}
	424	return NULL;
	425	}
	426	}