X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fr3000a.c;h=ddf838866f24fffecc75902efad22ff09800ba7a;hb=7a8d521fba9c86ae7b51369ce061bf63112b745f;hp=98aff3a385af2efd974c128cb31514571780899b;hpb=c24732c066beea96215e4c232af6debf1deb5f69;p=pcsx_rearmed.git diff --git a/libpcsxcore/r3000a.c b/libpcsxcore/r3000a.c index 98aff3a3..ddf83886 100644 --- a/libpcsxcore/r3000a.c +++ b/libpcsxcore/r3000a.c @@ -25,18 +25,22 @@ #include "cdrom.h" #include "mdec.h" #include "gte.h" +#include "psxinterpreter.h" R3000Acpu *psxCpu = NULL; +#ifdef DRC_DISABLE psxRegisters psxRegs; +#endif int psxInit() { - SysPrintf(_("Running PCSX Version %s (%s).\n"), PACKAGE_VERSION, __DATE__); + SysPrintf(_("Running PCSX Version %s (%s).\n"), PCSX_VERSION, __DATE__); -#ifdef PSXREC +#ifndef DRC_DISABLE if (Config.Cpu == CPU_INTERPRETER) { psxCpu = &psxInt; } else psxCpu = &psxRec; #else + Config.Cpu = CPU_INTERPRETER; psxCpu = &psxInt; #endif @@ -57,6 +61,7 @@ void psxReset() { psxRegs.CP0.r[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1 psxRegs.CP0.r[15] = 0x00000002; // PRevID = Revision ID, same as R3000A + psxCpu->ApplyConfig(); psxCpu->Reset(); psxHwReset(); @@ -72,22 +77,32 @@ void psxReset() { } void psxShutdown() { - psxMemShutdown(); psxBiosShutdown(); psxCpu->Shutdown(); + + psxMemShutdown(); } void psxException(u32 code, u32 bd) { + psxRegs.code = PSXMu32(psxRegs.pc); + + if (!Config.HLE && ((((psxRegs.code) >> 24) & 0xfe) == 0x4a)) { + // "hokuto no ken" / "Crash Bandicot 2" ... + // BIOS does not allow to return to GTE instructions + // (just skips it, supposedly because it's scheduled already) + // so we execute it here + psxCP2[psxRegs.code & 0x3f](&psxRegs.CP2); + } + // Set the Cause - psxRegs.CP0.n.Cause = code; + psxRegs.CP0.n.Cause = (psxRegs.CP0.n.Cause & 0x300) | 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 @@ -102,11 +117,6 @@ void psxException(u32 code, u32 bd) { psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status &~0x3f) | ((psxRegs.CP0.n.Status & 0xf) << 2); - if (!Config.HLE && (((PSXMu32(psxRegs.CP0.n.EPC) >> 24) & 0xfe) == 0x4a)) { - // "hokuto no ken" / "Crash Bandicot 2" ... fix - PSXMu32ref(psxRegs.CP0.n.EPC)&= SWAPu32(~0x02000000); - } - if (Config.HLE) psxBiosException(); } @@ -115,7 +125,7 @@ void psxBranchTest() { psxRcntUpdate(); if (psxRegs.interrupt) { - if ((psxRegs.interrupt & (1 << PSXINT_SIO)) && !Config.Sio) { // sio + if ((psxRegs.interrupt & (1 << PSXINT_SIO))) { // sio if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SIO].sCycle) >= psxRegs.intCycle[PSXINT_SIO].cycle) { psxRegs.interrupt &= ~(1 << PSXINT_SIO); sioInterrupt(); @@ -130,7 +140,7 @@ void psxBranchTest() { 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(); + cdrPlayReadInterrupt(); } } if (psxRegs.interrupt & (1 << PSXINT_GPUDMA)) { // gpu dma @@ -169,18 +179,18 @@ void psxBranchTest() { 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_CDRLID)) { // cdr lid states if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_CDRLID].sCycle) >= psxRegs.intCycle[PSXINT_CDRLID].cycle) { psxRegs.interrupt &= ~(1 << PSXINT_CDRLID); cdrLidSeekInterrupt(); } } + if (psxRegs.interrupt & (1 << PSXINT_SPU_UPDATE)) { // scheduled spu update + if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SPU_UPDATE].sCycle) >= psxRegs.intCycle[PSXINT_SPU_UPDATE].cycle) { + psxRegs.interrupt &= ~(1 << PSXINT_SPU_UPDATE); + spuUpdate(); + } + } } if (psxHu32(0x1070) & psxHu32(0x1074)) {