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-rwxr-xr-x[-rw-r--r--]libpcsxcore/r3000a.c534
1 files changed, 267 insertions, 267 deletions
diff --git a/libpcsxcore/r3000a.c b/libpcsxcore/r3000a.c
index c7a2b09a..957908d1 100644..100755
--- a/libpcsxcore/r3000a.c
+++ b/libpcsxcore/r3000a.c
@@ -1,267 +1,267 @@
-/***************************************************************************
- * 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. *
- ***************************************************************************/
-
-/*
-* R3000A CPU functions.
-*/
-
-#include "r3000a.h"
-#include "cdrom.h"
-#include "mdec.h"
-#include "gpu.h"
-#include "gte.h"
-
-R3000Acpu *psxCpu = NULL;
-psxRegisters psxRegs;
-
-int psxInit() {
- SysPrintf(_("Running PCSXR Version %s (%s).\n"), PACKAGE_VERSION, __DATE__);
-
-#ifdef PSXREC
- if (Config.Cpu == CPU_INTERPRETER) {
- psxCpu = &psxInt;
- } else psxCpu = &psxRec;
-#else
- psxCpu = &psxInt;
-#endif
-
- Log = 0;
-
- if (psxMemInit() == -1) return -1;
-
- return psxCpu->Init();
-}
-
-void psxReset() {
- psxCpu->Reset();
-
- psxMemReset();
-
- memset(&psxRegs, 0, sizeof(psxRegs));
-
- psxRegs.pc = 0xbfc00000; // Start in bootstrap
-
- psxRegs.CP0.r[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1
- psxRegs.CP0.r[15] = 0x00000002; // PRevID = Revision ID, same as R3000A
-
- psxHwReset();
- psxBiosInit();
-
- if (!Config.HLE)
- psxExecuteBios();
-
-#ifdef EMU_LOG
- EMU_LOG("*BIOS END*\n");
-#endif
- Log = 0;
-}
-
-void psxShutdown() {
- psxMemShutdown();
- psxBiosShutdown();
-
- psxCpu->Shutdown();
-}
-
-void psxException(u32 code, u32 bd) {
- // Set the Cause
- psxRegs.CP0.n.Cause = code;
-
- // Set the EPC & PC
- if (bd) {
-#ifdef PSXCPU_LOG
- PSXCPU_LOG("bd set!!!\n");
-#endif
- SysPrintf("bd set!!!\n");
- psxRegs.CP0.n.Cause |= 0x80000000;
- psxRegs.CP0.n.EPC = (psxRegs.pc - 4);
- } else
- psxRegs.CP0.n.EPC = (psxRegs.pc);
-
- if (psxRegs.CP0.n.Status & 0x400000)
- psxRegs.pc = 0xbfc00180;
- else
- psxRegs.pc = 0x80000080;
-
- // Set the Status
- psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status &~0x3f) |
- ((psxRegs.CP0.n.Status & 0xf) << 2);
-
- if (Config.HLE) psxBiosException();
-}
-
-void psxBranchTest() {
- // GameShark Sampler: Give VSync pin some delay before exception eats it
- if (psxHu32(0x1070) & psxHu32(0x1074)) {
- if ((psxRegs.CP0.n.Status & 0x401) == 0x401) {
- u32 opcode;
-
- // Crash Bandicoot 2: Don't run exceptions when GTE in pipeline
- opcode = SWAP32(*Read_ICache(psxRegs.pc, TRUE));
- if( ((opcode >> 24) & 0xfe) != 0x4a ) {
-#ifdef PSXCPU_LOG
- PSXCPU_LOG("Interrupt: %x %x\n", psxHu32(0x1070), psxHu32(0x1074));
-#endif
- psxException(0x400, 0);
- }
- }
- }
-
-#if 0
- if( SPU_async )
- {
- static int init;
- int elapsed;
-
- if( init == 0 ) {
- // 10 apu cycles
- // - Final Fantasy Tactics (distorted - dropped sound effects)
- psxRegs.intCycle[PSXINT_SPUASYNC].cycle = PSXCLK / 44100 * 10;
-
- init = 1;
- }
-
- elapsed = psxRegs.cycle - psxRegs.intCycle[PSXINT_SPUASYNC].sCycle;
- if (elapsed >= psxRegs.intCycle[PSXINT_SPUASYNC].cycle) {
- SPU_async( elapsed );
-
- psxRegs.intCycle[PSXINT_SPUASYNC].sCycle = psxRegs.cycle;
- }
- }
-#endif
-
- if ((psxRegs.cycle - psxNextsCounter) >= psxNextCounter)
- psxRcntUpdate();
-
- if (psxRegs.interrupt) {
- if ((psxRegs.interrupt & (1 << PSXINT_SIO)) && !Config.Sio) { // sio
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SIO].sCycle) >= psxRegs.intCycle[PSXINT_SIO].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_SIO);
- sioInterrupt();
- }
- }
- if (psxRegs.interrupt & (1 << PSXINT_CDR)) { // cdr
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDR].sCycle) >= psxRegs.intCycle[PSXINT_CDR].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_CDR);
- cdrInterrupt();
- }
- }
- if (psxRegs.interrupt & (1 << PSXINT_CDREAD)) { // cdr read
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDREAD].sCycle) >= psxRegs.intCycle[PSXINT_CDREAD].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_CDREAD);
- cdrReadInterrupt();
- }
- }
- if (psxRegs.interrupt & (1 << PSXINT_GPUDMA)) { // gpu dma
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_GPUDMA].sCycle) >= psxRegs.intCycle[PSXINT_GPUDMA].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_GPUDMA);
- gpuInterrupt();
- }
- }
- if (psxRegs.interrupt & (1 << PSXINT_MDECOUTDMA)) { // mdec out dma
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_MDECOUTDMA].sCycle) >= psxRegs.intCycle[PSXINT_MDECOUTDMA].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_MDECOUTDMA);
- mdec1Interrupt();
- }
- }
- if (psxRegs.interrupt & (1 << PSXINT_SPUDMA)) { // spu dma
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SPUDMA].sCycle) >= psxRegs.intCycle[PSXINT_SPUDMA].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_SPUDMA);
- spuInterrupt();
- }
- }
- if (psxRegs.interrupt & (1 << PSXINT_MDECINDMA)) { // mdec in
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_MDECINDMA].sCycle) >= psxRegs.intCycle[PSXINT_MDECINDMA].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_MDECINDMA);
- mdec0Interrupt();
- }
- }
-
- if (psxRegs.interrupt & (1 << PSXINT_GPUOTCDMA)) { // gpu otc
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_GPUOTCDMA].sCycle) >= psxRegs.intCycle[PSXINT_GPUOTCDMA].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_GPUOTCDMA);
- gpuotcInterrupt();
- }
- }
-
- if (psxRegs.interrupt & (1 << PSXINT_CDRDMA)) { // cdrom
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRDMA].sCycle) >= psxRegs.intCycle[PSXINT_CDRDMA].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_CDRDMA);
- cdrDmaInterrupt();
- }
- }
-
- if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY)) { // cdr play timing
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRPLAY].sCycle) >= psxRegs.intCycle[PSXINT_CDRPLAY].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_CDRPLAY);
- cdrPlayInterrupt();
- }
- }
-
- if (psxRegs.interrupt & (1 << PSXINT_CDRDBUF)) { // cdr decoded buffer
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRDBUF].sCycle) >= psxRegs.intCycle[PSXINT_CDRDBUF].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_CDRDBUF);
- cdrDecodedBufferInterrupt();
- }
- }
-
- if (psxRegs.interrupt & (1 << PSXINT_CDRLID)) { // cdr lid states
- if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRLID].sCycle) >= psxRegs.intCycle[PSXINT_CDRLID].cycle) {
- psxRegs.interrupt &= ~(1 << PSXINT_CDRLID);
- cdrLidSeekInterrupt();
- }
- }
- }
-}
-
-void psxJumpTest() {
- if (!Config.HLE && Config.PsxOut) {
- u32 call = psxRegs.GPR.n.t1 & 0xff;
- switch (psxRegs.pc & 0x1fffff) {
- case 0xa0:
-#ifdef PSXBIOS_LOG
- if (call != 0x28 && call != 0xe) {
- PSXBIOS_LOG("Bios call a0: %s (%x) %x,%x,%x,%x\n", biosA0n[call], call, psxRegs.GPR.n.a0, psxRegs.GPR.n.a1, psxRegs.GPR.n.a2, psxRegs.GPR.n.a3); }
-#endif
- if (biosA0[call])
- biosA0[call]();
- break;
- case 0xb0:
-#ifdef PSXBIOS_LOG
- if (call != 0x17 && call != 0xb) {
- PSXBIOS_LOG("Bios call b0: %s (%x) %x,%x,%x,%x\n", biosB0n[call], call, psxRegs.GPR.n.a0, psxRegs.GPR.n.a1, psxRegs.GPR.n.a2, psxRegs.GPR.n.a3); }
-#endif
- if (biosB0[call])
- biosB0[call]();
- break;
- case 0xc0:
-#ifdef PSXBIOS_LOG
- PSXBIOS_LOG("Bios call c0: %s (%x) %x,%x,%x,%x\n", biosC0n[call], call, psxRegs.GPR.n.a0, psxRegs.GPR.n.a1, psxRegs.GPR.n.a2, psxRegs.GPR.n.a3);
-#endif
- if (biosC0[call])
- biosC0[call]();
- break;
- }
- }
-}
-
-void psxExecuteBios() {
- while (psxRegs.pc != 0x80030000)
- psxCpu->ExecuteBlock();
-}
+/***************************************************************************
+ * 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. *
+ ***************************************************************************/
+
+/*
+* R3000A CPU functions.
+*/
+
+#include "r3000a.h"
+#include "cdrom.h"
+#include "mdec.h"
+#include "gpu.h"
+#include "gte.h"
+
+R3000Acpu *psxCpu = NULL;
+psxRegisters psxRegs;
+
+int psxInit() {
+ SysPrintf(_("Running PCSXR Version %s (%s).\n"), PACKAGE_VERSION, __DATE__);
+
+#ifdef PSXREC
+ if (Config.Cpu == CPU_INTERPRETER) {
+ psxCpu = &psxInt;
+ } else psxCpu = &psxRec;
+#else
+ psxCpu = &psxInt;
+#endif
+
+ Log = 0;
+
+ if (psxMemInit() == -1) return -1;
+
+ return psxCpu->Init();
+}
+
+void psxReset() {
+ psxCpu->Reset();
+
+ psxMemReset();
+
+ memset(&psxRegs, 0, sizeof(psxRegs));
+
+ psxRegs.pc = 0xbfc00000; // Start in bootstrap
+
+ psxRegs.CP0.r[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1
+ psxRegs.CP0.r[15] = 0x00000002; // PRevID = Revision ID, same as R3000A
+
+ psxHwReset();
+ psxBiosInit();
+
+ if (!Config.HLE)
+ psxExecuteBios();
+
+#ifdef EMU_LOG
+ EMU_LOG("*BIOS END*\n");
+#endif
+ Log = 0;
+}
+
+void psxShutdown() {
+ psxMemShutdown();
+ psxBiosShutdown();
+
+ psxCpu->Shutdown();
+}
+
+void psxException(u32 code, u32 bd) {
+ // Set the Cause
+ psxRegs.CP0.n.Cause = code;
+
+ // Set the EPC & PC
+ if (bd) {
+#ifdef PSXCPU_LOG
+ PSXCPU_LOG("bd set!!!\n");
+#endif
+ SysPrintf("bd set!!!\n");
+ psxRegs.CP0.n.Cause |= 0x80000000;
+ psxRegs.CP0.n.EPC = (psxRegs.pc - 4);
+ } else
+ psxRegs.CP0.n.EPC = (psxRegs.pc);
+
+ if (psxRegs.CP0.n.Status & 0x400000)
+ psxRegs.pc = 0xbfc00180;
+ else
+ psxRegs.pc = 0x80000080;
+
+ // Set the Status
+ psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status &~0x3f) |
+ ((psxRegs.CP0.n.Status & 0xf) << 2);
+
+ if (Config.HLE) psxBiosException();
+}
+
+void psxBranchTest() {
+ // GameShark Sampler: Give VSync pin some delay before exception eats it
+ if (psxHu32(0x1070) & psxHu32(0x1074)) {
+ if ((psxRegs.CP0.n.Status & 0x401) == 0x401) {
+ u32 opcode;
+
+ // Crash Bandicoot 2: Don't run exceptions when GTE in pipeline
+ opcode = SWAP32(*Read_ICache(psxRegs.pc, TRUE));
+ if( ((opcode >> 24) & 0xfe) != 0x4a ) {
+#ifdef PSXCPU_LOG
+ PSXCPU_LOG("Interrupt: %x %x\n", psxHu32(0x1070), psxHu32(0x1074));
+#endif
+ psxException(0x400, 0);
+ }
+ }
+ }
+
+#if 0
+ if( SPU_async )
+ {
+ static int init;
+ int elapsed;
+
+ if( init == 0 ) {
+ // 10 apu cycles
+ // - Final Fantasy Tactics (distorted - dropped sound effects)
+ psxRegs.intCycle[PSXINT_SPUASYNC].cycle = PSXCLK / 44100 * 10;
+
+ init = 1;
+ }
+
+ elapsed = psxRegs.cycle - psxRegs.intCycle[PSXINT_SPUASYNC].sCycle;
+ if (elapsed >= psxRegs.intCycle[PSXINT_SPUASYNC].cycle) {
+ SPU_async( elapsed );
+
+ psxRegs.intCycle[PSXINT_SPUASYNC].sCycle = psxRegs.cycle;
+ }
+ }
+#endif
+
+ if ((psxRegs.cycle - psxNextsCounter) >= psxNextCounter)
+ psxRcntUpdate();
+
+ if (psxRegs.interrupt) {
+ if ((psxRegs.interrupt & (1 << PSXINT_SIO)) && !Config.Sio) { // sio
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SIO].sCycle) >= psxRegs.intCycle[PSXINT_SIO].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_SIO);
+ sioInterrupt();
+ }
+ }
+ if (psxRegs.interrupt & (1 << PSXINT_CDR)) { // cdr
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDR].sCycle) >= psxRegs.intCycle[PSXINT_CDR].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_CDR);
+ cdrInterrupt();
+ }
+ }
+ if (psxRegs.interrupt & (1 << PSXINT_CDREAD)) { // cdr read
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDREAD].sCycle) >= psxRegs.intCycle[PSXINT_CDREAD].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_CDREAD);
+ cdrReadInterrupt();
+ }
+ }
+ if (psxRegs.interrupt & (1 << PSXINT_GPUDMA)) { // gpu dma
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_GPUDMA].sCycle) >= psxRegs.intCycle[PSXINT_GPUDMA].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_GPUDMA);
+ gpuInterrupt();
+ }
+ }
+ if (psxRegs.interrupt & (1 << PSXINT_MDECOUTDMA)) { // mdec out dma
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_MDECOUTDMA].sCycle) >= psxRegs.intCycle[PSXINT_MDECOUTDMA].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_MDECOUTDMA);
+ mdec1Interrupt();
+ }
+ }
+ if (psxRegs.interrupt & (1 << PSXINT_SPUDMA)) { // spu dma
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SPUDMA].sCycle) >= psxRegs.intCycle[PSXINT_SPUDMA].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_SPUDMA);
+ spuInterrupt();
+ }
+ }
+ if (psxRegs.interrupt & (1 << PSXINT_MDECINDMA)) { // mdec in
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_MDECINDMA].sCycle) >= psxRegs.intCycle[PSXINT_MDECINDMA].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_MDECINDMA);
+ mdec0Interrupt();
+ }
+ }
+
+ if (psxRegs.interrupt & (1 << PSXINT_GPUOTCDMA)) { // gpu otc
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_GPUOTCDMA].sCycle) >= psxRegs.intCycle[PSXINT_GPUOTCDMA].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_GPUOTCDMA);
+ gpuotcInterrupt();
+ }
+ }
+
+ if (psxRegs.interrupt & (1 << PSXINT_CDRDMA)) { // cdrom
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRDMA].sCycle) >= psxRegs.intCycle[PSXINT_CDRDMA].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_CDRDMA);
+ cdrDmaInterrupt();
+ }
+ }
+
+ if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY)) { // cdr play timing
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRPLAY].sCycle) >= psxRegs.intCycle[PSXINT_CDRPLAY].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_CDRPLAY);
+ cdrPlayInterrupt();
+ }
+ }
+
+ if (psxRegs.interrupt & (1 << PSXINT_CDRDBUF)) { // cdr decoded buffer
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRDBUF].sCycle) >= psxRegs.intCycle[PSXINT_CDRDBUF].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_CDRDBUF);
+ cdrDecodedBufferInterrupt();
+ }
+ }
+
+ if (psxRegs.interrupt & (1 << PSXINT_CDRLID)) { // cdr lid states
+ if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRLID].sCycle) >= psxRegs.intCycle[PSXINT_CDRLID].cycle) {
+ psxRegs.interrupt &= ~(1 << PSXINT_CDRLID);
+ cdrLidSeekInterrupt();
+ }
+ }
+ }
+}
+
+void psxJumpTest() {
+ if (!Config.HLE && Config.PsxOut) {
+ u32 call = psxRegs.GPR.n.t1 & 0xff;
+ switch (psxRegs.pc & 0x1fffff) {
+ case 0xa0:
+#ifdef PSXBIOS_LOG
+ if (call != 0x28 && call != 0xe) {
+ PSXBIOS_LOG("Bios call a0: %s (%x) %x,%x,%x,%x\n", biosA0n[call], call, psxRegs.GPR.n.a0, psxRegs.GPR.n.a1, psxRegs.GPR.n.a2, psxRegs.GPR.n.a3); }
+#endif
+ if (biosA0[call])
+ biosA0[call]();
+ break;
+ case 0xb0:
+#ifdef PSXBIOS_LOG
+ if (call != 0x17 && call != 0xb) {
+ PSXBIOS_LOG("Bios call b0: %s (%x) %x,%x,%x,%x\n", biosB0n[call], call, psxRegs.GPR.n.a0, psxRegs.GPR.n.a1, psxRegs.GPR.n.a2, psxRegs.GPR.n.a3); }
+#endif
+ if (biosB0[call])
+ biosB0[call]();
+ break;
+ case 0xc0:
+#ifdef PSXBIOS_LOG
+ PSXBIOS_LOG("Bios call c0: %s (%x) %x,%x,%x,%x\n", biosC0n[call], call, psxRegs.GPR.n.a0, psxRegs.GPR.n.a1, psxRegs.GPR.n.a2, psxRegs.GPR.n.a3);
+#endif
+ if (biosC0[call])
+ biosC0[call]();
+ break;
+ }
+ }
+}
+
+void psxExecuteBios() {
+ while (psxRegs.pc != 0x80030000)
+ psxCpu->ExecuteBlock();
+}
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