X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fr3000a.c;h=c1987d6a6be28cc2999e67a406382f34da9fb6b9;hb=7d9ca8d1727795ea2b31a56cdafe19bf4dc0055a;hp=3288f5c33bbeef81028f34a25bf729c3e5a47820;hpb=cd2d587936d9d83af6fd47360103f0e79dcb4341;p=pcsx_rearmed.git diff --git a/libpcsxcore/r3000a.c b/libpcsxcore/r3000a.c index 3288f5c3..c1987d6a 100644 --- a/libpcsxcore/r3000a.c +++ b/libpcsxcore/r3000a.c @@ -25,20 +25,22 @@ #include "cdrom.h" #include "mdec.h" #include "gte.h" +#include "psxinterpreter.h" R3000Acpu *psxCpu = NULL; -#ifndef NEW_DYNAREC +#ifdef DRC_DISABLE psxRegisters psxRegs; #endif int psxInit() { SysPrintf(_("Running PCSX Version %s (%s).\n"), PCSX_VERSION, __DATE__); -#if defined(NEW_DYNAREC) || defined(LIGHTREC) +#ifndef DRC_DISABLE if (Config.Cpu == CPU_INTERPRETER) { psxCpu = &psxInt; } else psxCpu = &psxRec; #else + Config.Cpu = CPU_INTERPRETER; psxCpu = &psxInt; #endif @@ -52,8 +54,8 @@ int psxInit() { void psxReset() { psxMemReset(); - memset(&psxRegs, 0x00, sizeof(psxRegs)); - writeok = TRUE; + memset(&psxRegs, 0, sizeof(psxRegs)); + psxRegs.pc = 0xbfc00000; // Start in bootstrap psxRegs.CP0.r[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1 @@ -74,34 +76,22 @@ void psxReset() { } void psxShutdown() { - psxMemShutdown(); psxBiosShutdown(); psxCpu->Shutdown(); + + psxMemShutdown(); } void psxException(u32 code, u32 bd) { - #ifdef ICACHE_EMULATION - /* Without the CPU_INTERPRETER condition, this will make Lightrec crash. - * Hopefully a better solution than this mess is found. - Gameblabla - */ - if (Config.icache_emulation && Config.Cpu == CPU_INTERPRETER) - { - psxRegs.code = SWAPu32(*Read_ICache(psxRegs.pc)); - } - else - #endif - { - psxRegs.code = PSXMu32(psxRegs.pc); - } - + 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); + psxCP2[psxRegs.code & 0x3f](&psxRegs.CP2); } // Set the Cause @@ -112,7 +102,6 @@ void psxException(u32 code, u32 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 @@ -150,7 +139,7 @@ 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(); + cdrPlaySeekReadInterrupt(); } } if (psxRegs.interrupt & (1 << PSXINT_GPUDMA)) { // gpu dma @@ -189,12 +178,6 @@ 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);