X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fr3000a.c;h=8b7cfbf775b6f5d62c33529654669eb9545f6fa5;hb=6d75addfea5544b926d3924b1bd1e1d8ce9ffdb4;hp=82eb88578534c9a3411eb5806b655aacb7cae03b;hpb=2b30c1291db9d9801d51cf85f71f40fe54958898;p=pcsx_rearmed.git diff --git a/libpcsxcore/r3000a.c b/libpcsxcore/r3000a.c index 82eb8857..8b7cfbf7 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(); @@ -72,44 +77,46 @@ void psxReset() { } void psxShutdown() { - psxMemShutdown(); psxBiosShutdown(); psxCpu->Shutdown(); + + psxMemShutdown(); } -void psxException(u32 code, u32 bd) { - if (!Config.HLE && ((((psxRegs.code = PSXMu32(psxRegs.pc)) >> 24) & 0xfe) == 0x4a)) { +// cp0 is passed separately for lightrec to be less messy +void psxException(u32 code, u32 bd, psxCP0Regs *cp0) { + 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 - extern void (*psxCP2[64])(void *cp2regs); - psxCP2[psxRegs.code & 0x3f](&psxRegs.CP2D); + psxCP2Regs *cp2 = (void *)(cp0 + 1); + psxCP2[psxRegs.code & 0x3f](cp2); } // Set the Cause - psxRegs.CP0.n.Cause = (psxRegs.CP0.n.Cause & 0x300) | code; + cp0->n.Cause = (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); + cp0->n.Cause |= 0x80000000; + cp0->n.EPC = (psxRegs.pc - 4); } else - psxRegs.CP0.n.EPC = (psxRegs.pc); + cp0->n.EPC = (psxRegs.pc); - if (psxRegs.CP0.n.Status & 0x400000) + if (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); + cp0->n.Status = (cp0->n.Status & ~0x3f) | ((cp0->n.Status & 0x0f) << 2); if (Config.HLE) psxBiosException(); } @@ -119,7 +126,7 @@ 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(); @@ -134,7 +141,7 @@ 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 @@ -173,12 +180,6 @@ 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); @@ -199,7 +200,7 @@ void psxBranchTest() { PSXCPU_LOG("Interrupt: %x %x\n", psxHu32(0x1070), psxHu32(0x1074)); #endif // SysPrintf("Interrupt (%x): %x %x\n", psxRegs.cycle, psxHu32(0x1070), psxHu32(0x1074)); - psxException(0x400, 0); + psxException(0x400, 0, &psxRegs.CP0); } } }