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-rwxr-xr-x[-rw-r--r--]libpcsxcore/psxmem.c748
1 files changed, 374 insertions, 374 deletions
diff --git a/libpcsxcore/psxmem.c b/libpcsxcore/psxmem.c
index 14e27305..8215bdaf 100644..100755
--- a/libpcsxcore/psxmem.c
+++ b/libpcsxcore/psxmem.c
@@ -1,374 +1,374 @@
-/***************************************************************************
- * 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 02110-1301 USA. *
- ***************************************************************************/
-
-/*
-* PSX memory functions.
-*/
-
-#include "psxmem.h"
-#include "r3000a.h"
-#include "psxhw.h"
-#include <sys/mman.h>
-
-#ifndef MAP_ANONYMOUS
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-
-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 = mmap(0, 0x00220000,
- PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-
- psxP = &psxM[0x200000];
- psxH = &psxM[0x210000];
-
- psxR = (s8 *)malloc(0x00080000);
-
- if (psxMemRLUT == NULL || psxMemWLUT == NULL ||
- psxM == NULL || psxP == NULL || psxH == NULL) {
- 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);
-
- // Load BIOS
- 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() {
- munmap(psxM, 0x00220000);
-
- free(psxR);
- free(psxMemRLUT);
- free(psxMemWLUT);
-}
-
-static int writeok = 1;
-
-u8 psxMemRead8(u32 mem) {
- char *p;
- u32 t;
-
-
- psxRegs.cycle += 0;
-
-
- t = mem >> 16;
- if (t == 0x1f80) {
- if (mem < 0x1f801000)
- return psxHu8(mem);
- else
- return psxHwRead8(mem);
- } else {
- p = (char *)(psxMemRLUT[t]);
- if (p != NULL) {
- if (Config.Debug)
- DebugCheckBP((mem & 0xffffff) | 0x80000000, BR1);
- 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;
-
-
- psxRegs.cycle += 1;
-
-
- t = mem >> 16;
- if (t == 0x1f80) {
- if (mem < 0x1f801000)
- return psxHu16(mem);
- else
- return psxHwRead16(mem);
- } else {
- p = (char *)(psxMemRLUT[t]);
- if (p != NULL) {
- if (Config.Debug)
- DebugCheckBP((mem & 0xffffff) | 0x80000000, BR2);
- 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;
-
-
- psxRegs.cycle += 1;
-
-
- t = mem >> 16;
- if (t == 0x1f80) {
- if (mem < 0x1f801000)
- return psxHu32(mem);
- else
- return psxHwRead32(mem);
- } else {
- p = (char *)(psxMemRLUT[t]);
- if (p != NULL) {
- if (Config.Debug)
- DebugCheckBP((mem & 0xffffff) | 0x80000000, BR4);
- 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;
-
-
- psxRegs.cycle += 1;
-
-
- t = mem >> 16;
- if (t == 0x1f80) {
- if (mem < 0x1f801000)
- psxHu8(mem) = value;
- else
- psxHwWrite8(mem, value);
- } else {
- p = (char *)(psxMemWLUT[t]);
- if (p != NULL) {
- if (Config.Debug)
- DebugCheckBP((mem & 0xffffff) | 0x80000000, BW1);
- *(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;
-
-
- psxRegs.cycle += 1;
-
-
- t = mem >> 16;
- if (t == 0x1f80) {
- if (mem < 0x1f801000)
- psxHu16ref(mem) = SWAPu16(value);
- else
- psxHwWrite16(mem, value);
- } else {
- p = (char *)(psxMemWLUT[t]);
- if (p != NULL) {
- if (Config.Debug)
- DebugCheckBP((mem & 0xffffff) | 0x80000000, BW2);
- *(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;
-
-
- psxRegs.cycle += 1;
-
-
- // if ((mem&0x1fffff) == 0x71E18 || value == 0x48088800) SysPrintf("t2fix!!\n");
- t = mem >> 16;
- if (t == 0x1f80) {
- if (mem < 0x1f801000)
- psxHu32ref(mem) = SWAPu32(value);
- else
- psxHwWrite32(mem, value);
- } else {
- p = (char *)(psxMemWLUT[t]);
- if (p != NULL) {
- if (Config.Debug)
- DebugCheckBP((mem & 0xffffff) | 0x80000000, BW4);
- *(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;
-
- // a0-44: used for cache flushing
- 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 *));
-
- psxRegs.ICache_valid = 0;
- 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) {
- if (mem < 0x1f801000)
- return (void *)&psxH[mem];
- else
- return NULL;
- } else {
- p = (char *)(psxMemWLUT[t]);
- if (p != NULL) {
- return (void *)(p + (mem & 0xffff));
- }
- return NULL;
- }
-}
+/***************************************************************************
+ * 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 02110-1301 USA. *
+ ***************************************************************************/
+
+/*
+* PSX memory functions.
+*/
+
+#include "psxmem.h"
+#include "r3000a.h"
+#include "psxhw.h"
+#include <sys/mman.h>
+
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
+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 = mmap(0, 0x00220000,
+ PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+
+ psxP = &psxM[0x200000];
+ psxH = &psxM[0x210000];
+
+ psxR = (s8 *)malloc(0x00080000);
+
+ if (psxMemRLUT == NULL || psxMemWLUT == NULL ||
+ psxM == NULL || psxP == NULL || psxH == NULL) {
+ 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);
+
+ // Load BIOS
+ 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() {
+ munmap(psxM, 0x00220000);
+
+ free(psxR);
+ free(psxMemRLUT);
+ free(psxMemWLUT);
+}
+
+static int writeok = 1;
+
+u8 psxMemRead8(u32 mem) {
+ char *p;
+ u32 t;
+
+
+ psxRegs.cycle += 0;
+
+
+ t = mem >> 16;
+ if (t == 0x1f80) {
+ if (mem < 0x1f801000)
+ return psxHu8(mem);
+ else
+ return psxHwRead8(mem);
+ } else {
+ p = (char *)(psxMemRLUT[t]);
+ if (p != NULL) {
+ if (Config.Debug)
+ DebugCheckBP((mem & 0xffffff) | 0x80000000, BR1);
+ 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;
+
+
+ psxRegs.cycle += 1;
+
+
+ t = mem >> 16;
+ if (t == 0x1f80) {
+ if (mem < 0x1f801000)
+ return psxHu16(mem);
+ else
+ return psxHwRead16(mem);
+ } else {
+ p = (char *)(psxMemRLUT[t]);
+ if (p != NULL) {
+ if (Config.Debug)
+ DebugCheckBP((mem & 0xffffff) | 0x80000000, BR2);
+ 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;
+
+
+ psxRegs.cycle += 1;
+
+
+ t = mem >> 16;
+ if (t == 0x1f80) {
+ if (mem < 0x1f801000)
+ return psxHu32(mem);
+ else
+ return psxHwRead32(mem);
+ } else {
+ p = (char *)(psxMemRLUT[t]);
+ if (p != NULL) {
+ if (Config.Debug)
+ DebugCheckBP((mem & 0xffffff) | 0x80000000, BR4);
+ 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;
+
+
+ psxRegs.cycle += 1;
+
+
+ t = mem >> 16;
+ if (t == 0x1f80) {
+ if (mem < 0x1f801000)
+ psxHu8(mem) = value;
+ else
+ psxHwWrite8(mem, value);
+ } else {
+ p = (char *)(psxMemWLUT[t]);
+ if (p != NULL) {
+ if (Config.Debug)
+ DebugCheckBP((mem & 0xffffff) | 0x80000000, BW1);
+ *(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;
+
+
+ psxRegs.cycle += 1;
+
+
+ t = mem >> 16;
+ if (t == 0x1f80) {
+ if (mem < 0x1f801000)
+ psxHu16ref(mem) = SWAPu16(value);
+ else
+ psxHwWrite16(mem, value);
+ } else {
+ p = (char *)(psxMemWLUT[t]);
+ if (p != NULL) {
+ if (Config.Debug)
+ DebugCheckBP((mem & 0xffffff) | 0x80000000, BW2);
+ *(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;
+
+
+ psxRegs.cycle += 1;
+
+
+ // if ((mem&0x1fffff) == 0x71E18 || value == 0x48088800) SysPrintf("t2fix!!\n");
+ t = mem >> 16;
+ if (t == 0x1f80) {
+ if (mem < 0x1f801000)
+ psxHu32ref(mem) = SWAPu32(value);
+ else
+ psxHwWrite32(mem, value);
+ } else {
+ p = (char *)(psxMemWLUT[t]);
+ if (p != NULL) {
+ if (Config.Debug)
+ DebugCheckBP((mem & 0xffffff) | 0x80000000, BW4);
+ *(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;
+
+ // a0-44: used for cache flushing
+ 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 *));
+
+ psxRegs.ICache_valid = 0;
+ 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) {
+ if (mem < 0x1f801000)
+ return (void *)&psxH[mem];
+ else
+ return NULL;
+ } else {
+ p = (char *)(psxMemWLUT[t]);
+ if (p != NULL) {
+ return (void *)(p + (mem & 0xffff));
+ }
+ return NULL;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-08-21 03:51:36 +0000