*/
#include "psxhw.h"
+#include "psxevents.h"
#include "mdec.h"
#include "cdrom.h"
#include "gpu.h"
-//#undef PSXHW_LOG
-//#define PSXHW_LOG printf
-
void psxHwReset() {
- if (Config.Sio) psxHu32ref(0x1070) |= SWAP32(0x80);
- if (Config.SpuIrq) psxHu32ref(0x1070) |= SWAP32(0x200);
-
memset(psxH, 0, 0x10000);
mdecInit(); // initialize mdec decoder
cdrReset();
psxRcntInit();
- HW_GPU_STATUS = 0x14802000;
+ HW_GPU_STATUS = SWAP32(0x10802000);
+}
+
+void psxHwWriteIstat(u32 value)
+{
+ u32 stat = psxHu16(0x1070) & value;
+ psxHu16ref(0x1070) = SWAPu16(stat);
+
+ psxRegs.CP0.n.Cause &= ~0x400;
+ if (stat & psxHu16(0x1074))
+ psxRegs.CP0.n.Cause |= 0x400;
+}
+
+void psxHwWriteImask(u32 value)
+{
+ u32 stat = psxHu16(0x1070);
+ psxHu16ref(0x1074) = SWAPu16(value);
+ if (stat & value) {
+ //if ((psxRegs.CP0.n.SR & 0x401) == 0x401)
+ // log_unhandled("irq on unmask @%08x\n", psxRegs.pc);
+ set_event(PSXINT_NEWDRC_CHECK, 1);
+ }
+ psxRegs.CP0.n.Cause &= ~0x400;
+ if (stat & value)
+ psxRegs.CP0.n.Cause |= 0x400;
+}
+
+#define make_dma_func(n) \
+void psxHwWriteChcr##n(u32 value) \
+{ \
+ if (value & SWAPu32(HW_DMA##n##_CHCR) & 0x01000000) \
+ log_unhandled("dma" #n " %08x -> %08x\n", HW_DMA##n##_CHCR, value); \
+ HW_DMA##n##_CHCR = SWAPu32(value); \
+ if (value & 0x01000000 && SWAPu32(HW_DMA_PCR) & (8u << (n * 4))) \
+ psxDma##n(SWAPu32(HW_DMA##n##_MADR), SWAPu32(HW_DMA##n##_BCR), value); \
+}
+
+make_dma_func(0)
+make_dma_func(1)
+make_dma_func(2)
+make_dma_func(3)
+make_dma_func(4)
+make_dma_func(6)
+
+void psxHwWriteDmaIcr32(u32 value)
+{
+ u32 tmp = value & 0x00ff803f;
+ tmp |= (SWAPu32(HW_DMA_ICR) & ~value) & 0x7f000000;
+ if ((tmp & HW_DMA_ICR_GLOBAL_ENABLE && tmp & 0x7f000000)
+ || tmp & HW_DMA_ICR_BUS_ERROR) {
+ if (!(SWAPu32(HW_DMA_ICR) & HW_DMA_ICR_IRQ_SENT))
+ psxHu32ref(0x1070) |= SWAP32(8);
+ tmp |= HW_DMA_ICR_IRQ_SENT;
+ }
+ HW_DMA_ICR = SWAPu32(tmp);
+}
+
+void psxHwWriteGpuSR(u32 value)
+{
+ u32 old_sr = HW_GPU_STATUS, new_sr;
+ GPU_writeStatus(value);
+ gpuSyncPluginSR();
+ new_sr = HW_GPU_STATUS;
+ // "The Next Tetris" seems to rely on the field order after enable
+ if ((old_sr ^ new_sr) & new_sr & SWAP32(PSXGPU_ILACE))
+ frame_counter |= 1;
+}
+
+u32 psxHwReadGpuSR(void)
+{
+ u32 v, c = psxRegs.cycle;
+
+ // meh2, syncing for img bit, might want to avoid it..
+ gpuSyncPluginSR();
+ v = SWAP32(HW_GPU_STATUS);
+ v |= ((s32)(psxRegs.gpuIdleAfter - c) >> 31) & PSXGPU_nBUSY;
+
+ // XXX: because of large timeslices can't use hSyncCount, using rough
+ // approximization instead. Perhaps better use hcounter code here or something.
+ if (hSyncCount < 240 && (v & PSXGPU_ILACE_BITS) != PSXGPU_ILACE_BITS)
+ v |= PSXGPU_LCF & (c << 20);
+ return v;
}
u8 psxHwRead8(u32 add) {
- unsigned char hard;
-
- switch (add & 0x1fffffff) {
- case 0x1f801040: hard = sioRead8();break; \r
-#ifdef ENABLE_SIO1API
- case 0x1f801050: hard = SIO1_readData8(); break;\r
-#endif
- case 0x1f801800: hard = cdrRead0(); break;
- case 0x1f801801: hard = cdrRead1(); break;
- case 0x1f801802: hard = cdrRead2(); break;
- case 0x1f801803: hard = cdrRead3(); break;
- default:
- hard = psxHu8(add);
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Unkwnown 8bit read at address %x\n", add);
-#endif
- return hard;
+ u8 hard;
+
+ switch (add & 0xffff) {
+ case 0x1040: hard = sioRead8(); break;
+ case 0x1800: hard = cdrRead0(); break;
+ case 0x1801: hard = cdrRead1(); break;
+ case 0x1802: hard = cdrRead2(); break;
+ case 0x1803: hard = cdrRead3(); break;
+
+ case 0x1041: case 0x1042: case 0x1043:
+ case 0x1044: case 0x1045:
+ case 0x1046: case 0x1047:
+ case 0x1048: case 0x1049:
+ case 0x104a: case 0x104b:
+ case 0x104c: case 0x104d:
+ case 0x104e: case 0x104f:
+ case 0x1050: case 0x1051:
+ case 0x1054: case 0x1055:
+ case 0x1058: case 0x1059:
+ case 0x105a: case 0x105b:
+ case 0x105c: case 0x105d:
+ case 0x1100: case 0x1101:
+ case 0x1104: case 0x1105:
+ case 0x1108: case 0x1109:
+ case 0x1110: case 0x1111:
+ case 0x1114: case 0x1115:
+ case 0x1118: case 0x1119:
+ case 0x1120: case 0x1121:
+ case 0x1124: case 0x1125:
+ case 0x1128: case 0x1129:
+ case 0x1810: case 0x1811:
+ case 0x1812: case 0x1813:
+ case 0x1814: case 0x1815:
+ case 0x1816: case 0x1817:
+ case 0x1820: case 0x1821:
+ case 0x1822: case 0x1823:
+ case 0x1824: case 0x1825:
+ case 0x1826: case 0x1827:
+ log_unhandled("unhandled r8 %08x @%08x\n", add, psxRegs.pc);
+ // falthrough
+ default:
+ if (0x1f801c00 <= add && add < 0x1f802000) {
+ u16 val = SPU_readRegister(add & ~1, psxRegs.cycle);
+ hard = (add & 1) ? val >> 8 : val;
+ break;
+ }
+ hard = psxHu8(add);
}
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Known 8bit read at address %x value %x\n", add, hard);
-#endif
+ //printf("r8 %08x %02x @%08x\n", add, hard, psxRegs.pc);
return hard;
}
u16 psxHwRead16(u32 add) {
unsigned short hard;
- switch (add & 0x1fffffff) {
-#ifdef PSXHW_LOG
- case 0x1f801070: PSXHW_LOG("IREG 16bit read %x\n", psxHu16(0x1070));
- return psxHu16(0x1070);
-#endif
-#ifdef PSXHW_LOG
- case 0x1f801074: PSXHW_LOG("IMASK 16bit read %x\n", psxHu16(0x1074));
- return psxHu16(0x1074);
-#endif
-
- case 0x1f801040:
- hard = sioRead8();
- hard|= sioRead8() << 8;
-#ifdef PAD_LOG
- PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
-#endif
- return hard;
- case 0x1f801044:
- hard = sioReadStat16();
-#ifdef PAD_LOG
- PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
-#endif
- return hard;
- case 0x1f801048:
- hard = sioReadMode16();
-#ifdef PAD_LOG
- PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
-#endif
- return hard;
- case 0x1f80104a:
- hard = sioReadCtrl16();
-#ifdef PAD_LOG
- PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
-#endif
- return hard;
- case 0x1f80104e:
- hard = sioReadBaud16();
-#ifdef PAD_LOG
- PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard);
-#endif
- return hard;\r
-#ifdef ENABLE_SIO1API
- case 0x1f801050:
- hard = SIO1_readData16();
- return hard;
- case 0x1f801054:
- hard = SIO1_readStat16();
- return hard;
- case 0x1f80105a:
- hard = SIO1_readCtrl16();
- return hard;
- case 0x1f80105e:
- hard = SIO1_readBaud16();
- return hard;\r
-#endif
- case 0x1f801100:
- hard = psxRcntRcount(0);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T0 count read16: %x\n", hard);
-#endif
- return hard;
- case 0x1f801104:
- hard = psxRcntRmode(0);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T0 mode read16: %x\n", hard);
-#endif
- return hard;
- case 0x1f801108:
- hard = psxRcntRtarget(0);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T0 target read16: %x\n", hard);
-#endif
- return hard;
- case 0x1f801110:
- hard = psxRcntRcount(1);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T1 count read16: %x\n", hard);
-#endif
- return hard;
- case 0x1f801114:
- hard = psxRcntRmode(1);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T1 mode read16: %x\n", hard);
-#endif
- return hard;
- case 0x1f801118:
- hard = psxRcntRtarget(1);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T1 target read16: %x\n", hard);
-#endif
- return hard;
- case 0x1f801120:
- hard = psxRcntRcount(2);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T2 count read16: %x\n", hard);
-#endif
- return hard;
- case 0x1f801124:
- hard = psxRcntRmode(2);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T2 mode read16: %x\n", hard);
-#endif
- return hard;
- case 0x1f801128:
- hard = psxRcntRtarget(2);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T2 target read16: %x\n", hard);
-#endif
- return hard;
-
- //case 0x1f802030: hard = //int_2000????
- //case 0x1f802040: hard =//dip switches...??
-
- default:
- if (add >= 0x1f801c00 && add < 0x1f801e00) {
- hard = SPU_readRegister(add);
- } else {
- hard = psxHu16(add);
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Unkwnown 16bit read at address %x\n", add);
-#endif
- }
- return hard;
+ switch (add & 0xffff) {
+ case 0x1040: hard = sioRead8(); break;
+ case 0x1044: hard = sioReadStat16(); break;
+ case 0x1048: hard = sioReadMode16(); break;
+ case 0x104a: hard = sioReadCtrl16(); break;
+ case 0x104e: hard = sioReadBaud16(); break;
+ case 0x1054: hard = 0x80; break; // Armored Core Link cable misdetection
+ case 0x1100: hard = psxRcntRcount0(); break;
+ case 0x1104: hard = psxRcntRmode(0); break;
+ case 0x1108: hard = psxRcntRtarget(0); break;
+ case 0x1110: hard = psxRcntRcount1(); break;
+ case 0x1114: hard = psxRcntRmode(1); break;
+ case 0x1118: hard = psxRcntRtarget(1); break;
+ case 0x1120: hard = psxRcntRcount2(); break;
+ case 0x1124: hard = psxRcntRmode(2); break;
+ case 0x1128: hard = psxRcntRtarget(2); break;
+
+ case 0x1042:
+ case 0x1046:
+ case 0x104c:
+ case 0x1050:
+ case 0x1058:
+ case 0x105a:
+ case 0x105c:
+ case 0x1800:
+ case 0x1802:
+ case 0x1810:
+ case 0x1812:
+ case 0x1814:
+ case 0x1816:
+ case 0x1820:
+ case 0x1822:
+ case 0x1824:
+ case 0x1826:
+ log_unhandled("unhandled r16 %08x @%08x\n", add, psxRegs.pc);
+ // falthrough
+ default:
+ if (0x1f801c00 <= add && add < 0x1f802000) {
+ hard = SPU_readRegister(add, psxRegs.cycle);
+ break;
+ }
+ hard = psxHu16(add);
}
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Known 16bit read at address %x value %x\n", add, hard);
-#endif
+ //printf("r16 %08x %04x @%08x\n", add, hard, psxRegs.pc);
return hard;
}
u32 psxHwRead32(u32 add) {
u32 hard;
- switch (add & 0x1fffffff) {
- case 0x1f801040:
- hard = sioRead8();
- hard |= sioRead8() << 8;
- hard |= sioRead8() << 16;
- hard |= sioRead8() << 24;
-#ifdef PAD_LOG
- PAD_LOG("sio read32 ;ret = %x\n", hard);
-#endif
- return hard;\r
-#ifdef ENABLE_SIO1API
- case 0x1f801050:
- hard = SIO1_readData32();
- return hard;\r
-#endif
-#ifdef PSXHW_LOG
- case 0x1f801060:
- PSXHW_LOG("RAM size read %x\n", psxHu32(0x1060));
- return psxHu32(0x1060);
-#endif
-#ifdef PSXHW_LOG
- case 0x1f801070: PSXHW_LOG("IREG 32bit read %x\n", psxHu32(0x1070));
- return psxHu32(0x1070);
-#endif
-#ifdef PSXHW_LOG
- case 0x1f801074: PSXHW_LOG("IMASK 32bit read %x\n", psxHu32(0x1074));
- return psxHu32(0x1074);
-#endif
-
- case 0x1f801810:
- hard = GPU_readData();
-#ifdef PSXHW_LOG
- PSXHW_LOG("GPU DATA 32bit read %x\n", hard);
-#endif
- return hard;
- case 0x1f801814:
- gpuSyncPluginSR();
- hard = HW_GPU_STATUS;
- if (hSyncCount < 240 && (HW_GPU_STATUS & PSXGPU_ILACE_BITS) != PSXGPU_ILACE_BITS)
- hard |= PSXGPU_LCF & (psxRegs.cycle << 20);
-#ifdef PSXHW_LOG
- PSXHW_LOG("GPU STATUS 32bit read %x\n", hard);
-#endif
- return hard;
-
- case 0x1f801820: hard = mdecRead0(); break;
- case 0x1f801824: hard = mdecRead1(); break;
-
-#ifdef PSXHW_LOG
- case 0x1f8010a0:
- PSXHW_LOG("DMA2 MADR 32bit read %x\n", psxHu32(0x10a0));
- return SWAPu32(HW_DMA2_MADR);
- case 0x1f8010a4:
- PSXHW_LOG("DMA2 BCR 32bit read %x\n", psxHu32(0x10a4));
- return SWAPu32(HW_DMA2_BCR);
- case 0x1f8010a8:
- PSXHW_LOG("DMA2 CHCR 32bit read %x\n", psxHu32(0x10a8));
- return SWAPu32(HW_DMA2_CHCR);
-#endif
-
-#ifdef PSXHW_LOG
- case 0x1f8010b0:
- PSXHW_LOG("DMA3 MADR 32bit read %x\n", psxHu32(0x10b0));
- return SWAPu32(HW_DMA3_MADR);
- case 0x1f8010b4:
- PSXHW_LOG("DMA3 BCR 32bit read %x\n", psxHu32(0x10b4));
- return SWAPu32(HW_DMA3_BCR);
- case 0x1f8010b8:
- PSXHW_LOG("DMA3 CHCR 32bit read %x\n", psxHu32(0x10b8));
- return SWAPu32(HW_DMA3_CHCR);
-#endif
-
-#ifdef PSXHW_LOG
-/* case 0x1f8010f0:
- PSXHW_LOG("DMA PCR 32bit read %x\n", psxHu32(0x10f0));
- return SWAPu32(HW_DMA_PCR); // dma rest channel
- case 0x1f8010f4:
- PSXHW_LOG("DMA ICR 32bit read %x\n", psxHu32(0x10f4));
- return SWAPu32(HW_DMA_ICR); // interrupt enabler?*/
-#endif
-
- // time for rootcounters :)
- case 0x1f801100:
- hard = psxRcntRcount(0);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T0 count read32: %x\n", hard);
-#endif
- return hard;
- case 0x1f801104:
- hard = psxRcntRmode(0);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T0 mode read32: %x\n", hard);
-#endif
- return hard;
- case 0x1f801108:
- hard = psxRcntRtarget(0);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T0 target read32: %x\n", hard);
-#endif
- return hard;
- case 0x1f801110:
- hard = psxRcntRcount(1);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T1 count read32: %x\n", hard);
-#endif
- return hard;
- case 0x1f801114:
- hard = psxRcntRmode(1);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T1 mode read32: %x\n", hard);
-#endif
- return hard;
- case 0x1f801118:
- hard = psxRcntRtarget(1);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T1 target read32: %x\n", hard);
-#endif
- return hard;
- case 0x1f801120:
- hard = psxRcntRcount(2);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T2 count read32: %x\n", hard);
-#endif
- return hard;
- case 0x1f801124:
- hard = psxRcntRmode(2);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T2 mode read32: %x\n", hard);
-#endif
- return hard;
- case 0x1f801128:
- hard = psxRcntRtarget(2);
-#ifdef PSXHW_LOG
- PSXHW_LOG("T2 target read32: %x\n", hard);
-#endif
- return hard;
-
- default:
- hard = psxHu32(add);
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Unkwnown 32bit read at address %x\n", add);
-#endif
- return hard;
+ switch (add & 0xffff) {
+ case 0x1040: hard = sioRead8(); break;
+ case 0x1044: hard = sioReadStat16(); break;
+ case 0x1100: hard = psxRcntRcount0(); break;
+ case 0x1104: hard = psxRcntRmode(0); break;
+ case 0x1108: hard = psxRcntRtarget(0); break;
+ case 0x1110: hard = psxRcntRcount1(); break;
+ case 0x1114: hard = psxRcntRmode(1); break;
+ case 0x1118: hard = psxRcntRtarget(1); break;
+ case 0x1120: hard = psxRcntRcount2(); break;
+ case 0x1124: hard = psxRcntRmode(2); break;
+ case 0x1128: hard = psxRcntRtarget(2); break;
+ case 0x1810: hard = GPU_readData(); break;
+ case 0x1814: hard = psxHwReadGpuSR(); break;
+ case 0x1820: hard = mdecRead0(); break;
+ case 0x1824: hard = mdecRead1(); break;
+
+ case 0x1048:
+ case 0x104c:
+ case 0x1050:
+ case 0x1054:
+ case 0x1058:
+ case 0x105c:
+ case 0x1800:
+ log_unhandled("unhandled r32 %08x @%08x\n", add, psxRegs.pc);
+ // falthrough
+ default:
+ if (0x1f801c00 <= add && add < 0x1f802000) {
+ hard = SPU_readRegister(add, psxRegs.cycle);
+ hard |= SPU_readRegister(add + 2, psxRegs.cycle) << 16;
+ break;
+ }
+ hard = psxHu32(add);
}
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Known 32bit read at address %x\n", add);
-#endif
+ //printf("r32 %08x %08x @%08x\n", add, hard, psxRegs.pc);
return hard;
}
-void psxHwWrite8(u32 add, u8 value) {
- switch (add & 0x1fffffff) {
- case 0x1f801040: sioWrite8(value); break;\r
-#ifdef ENABLE_SIO1API
- case 0x1f801050: SIO1_writeData8(value); break;\r
-#endif
- case 0x1f801800: cdrWrite0(value); break;
- case 0x1f801801: cdrWrite1(value); break;
- case 0x1f801802: cdrWrite2(value); break;
- case 0x1f801803: cdrWrite3(value); break;
-
- default:
- psxHu8(add) = value;
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Unknown 8bit write at address %x value %x\n", add, value);
-#endif
+void psxHwWrite8(u32 add, u32 value) {
+ switch (add & 0xffff) {
+ case 0x1040: sioWrite8(value); return;
+ case 0x10f6:
+ // nocash documents it as forced w32, but still games use this?
+ break;
+ case 0x1800: cdrWrite0(value); return;
+ case 0x1801: cdrWrite1(value); return;
+ case 0x1802: cdrWrite2(value); return;
+ case 0x1803: cdrWrite3(value); return;
+ case 0x2041: break; // "POST (external 7 segment display)"
+
+ default:
+ if (0x1f801c00 <= add && add < 0x1f802000) {
+ log_unhandled("spu w8 %02x @%08x\n", value, psxRegs.pc);
+ if (!(add & 1))
+ SPU_writeRegister(add, value, psxRegs.cycle);
return;
+ }
+ else
+ log_unhandled("unhandled w8 %08x %08x @%08x\n",
+ add, value, psxRegs.pc);
}
psxHu8(add) = value;
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Known 8bit write at address %x value %x\n", add, value);
-#endif
}
-void psxHwWrite16(u32 add, u16 value) {
- switch (add & 0x1fffffff) {
- case 0x1f801040:
- sioWrite8((unsigned char)value);
- sioWrite8((unsigned char)(value>>8));
-#ifdef PAD_LOG
- PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
-#endif
- return;
- case 0x1f801044:
- sioWriteStat16(value);
-#ifdef PAD_LOG
- PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
-#endif
- return;
- case 0x1f801048:
- sioWriteMode16(value);
-#ifdef PAD_LOG
- PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
-#endif
- return;
- case 0x1f80104a: // control register
- sioWriteCtrl16(value);
-#ifdef PAD_LOG
- PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
-#endif
- return;
- case 0x1f80104e: // baudrate register
- sioWriteBaud16(value);
-#ifdef PAD_LOG
- PAD_LOG ("sio write16 %x, %x\n", add&0xf, value);
-#endif
- return;\r
-#ifdef ENABLE_SIO1API
- case 0x1f801050:
- SIO1_writeData16(value);
- return;
- case 0x1f801054:
- SIO1_writeStat16(value);
- return;
- case 0x1f80105a:
- SIO1_writeCtrl16(value);
- return;
- case 0x1f80105e:
- SIO1_writeBaud16(value);
- return;\r
-#endif
- case 0x1f801070:
-#ifdef PSXHW_LOG
- PSXHW_LOG("IREG 16bit write %x\n", value);
-#endif
- if (Config.Sio) psxHu16ref(0x1070) |= SWAPu16(0x80);
- if (Config.SpuIrq) psxHu16ref(0x1070) |= SWAPu16(0x200);
- psxHu16ref(0x1070) &= SWAPu16(value);
- return;
-
- case 0x1f801074:
-#ifdef PSXHW_LOG
- PSXHW_LOG("IMASK 16bit write %x\n", value);
-#endif
- psxHu16ref(0x1074) = SWAPu16(value);
- if (psxHu16ref(0x1070) & value)
- new_dyna_set_event(PSXINT_NEWDRC_CHECK, 1);
- return;
-
- case 0x1f801100:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 0 COUNT 16bit write %x\n", value);
-#endif
- psxRcntWcount(0, value); return;
- case 0x1f801104:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 0 MODE 16bit write %x\n", value);
-#endif
- psxRcntWmode(0, value); return;
- case 0x1f801108:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 0 TARGET 16bit write %x\n", value);
-#endif
- psxRcntWtarget(0, value); return;
-
- case 0x1f801110:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 1 COUNT 16bit write %x\n", value);
-#endif
- psxRcntWcount(1, value); return;
- case 0x1f801114:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 1 MODE 16bit write %x\n", value);
-#endif
- psxRcntWmode(1, value); return;
- case 0x1f801118:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 1 TARGET 16bit write %x\n", value);
-#endif
- psxRcntWtarget(1, value); return;
-
- case 0x1f801120:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 2 COUNT 16bit write %x\n", value);
-#endif
- psxRcntWcount(2, value); return;
- case 0x1f801124:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 2 MODE 16bit write %x\n", value);
-#endif
- psxRcntWmode(2, value); return;
- case 0x1f801128:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 2 TARGET 16bit write %x\n", value);
-#endif
- psxRcntWtarget(2, value); return;
-
- default:
- if (add>=0x1f801c00 && add<0x1f801e00) {
- SPU_writeRegister(add, value, psxRegs.cycle);
- return;
- }
-
- psxHu16ref(add) = SWAPu16(value);
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Unknown 16bit write at address %x value %x\n", add, value);
-#endif
+void psxHwWrite16(u32 add, u32 value) {
+ switch (add & 0xffff) {
+ case 0x1040: sioWrite8(value); return;
+ case 0x1044: sioWriteStat16(value); return;
+ case 0x1048: sioWriteMode16(value); return;
+ case 0x104a: sioWriteCtrl16(value); return;
+ case 0x104e: sioWriteBaud16(value); return;
+ case 0x1070: psxHwWriteIstat(value); return;
+ case 0x1074: psxHwWriteImask(value); return;
+ case 0x1100: psxRcntWcount(0, value); return;
+ case 0x1104: psxRcntWmode(0, value); return;
+ case 0x1108: psxRcntWtarget(0, value); return;
+ case 0x1110: psxRcntWcount(1, value); return;
+ case 0x1114: psxRcntWmode(1, value); return;
+ case 0x1118: psxRcntWtarget(1, value); return;
+ case 0x1120: psxRcntWcount(2, value); return;
+ case 0x1124: psxRcntWmode(2, value); return;
+ case 0x1128: psxRcntWtarget(2, value); return;
+
+ // forced write32:
+ case 0x1088: // DMA0 chcr (MDEC in DMA)
+ case 0x108c: psxHwWriteChcr0(value); return;
+ case 0x1098: // DMA1 chcr (MDEC out DMA)
+ case 0x109c: psxHwWriteChcr1(value); return;
+ case 0x10a8: // DMA2 chcr (GPU DMA)
+ case 0x10ac: psxHwWriteChcr2(value); return;
+ case 0x10b8: // DMA3 chcr (CDROM DMA)
+ case 0x10bc: psxHwWriteChcr3(value); return;
+ case 0x10c8: // DMA4 chcr (SPU DMA)
+ case 0x10cc: psxHwWriteChcr4(value); return;
+ case 0x10e8: // DMA6 chcr (OT clear)
+ case 0x10ec: psxHwWriteChcr6(value); return;
+ case 0x10f4: psxHwWriteDmaIcr32(value); return;
+
+ // forced write32 with no immediate effect:
+ case 0x1014:
+ case 0x1060:
+ case 0x1080:
+ case 0x1090:
+ case 0x10a0:
+ case 0x10b0:
+ case 0x10c0:
+ case 0x10d0:
+ case 0x10e0:
+ case 0x10f0:
+ psxHu32ref(add) = SWAPu32(value);
+ return;
+
+ case 0x1800:
+ case 0x1802:
+ case 0x1810:
+ case 0x1812:
+ case 0x1814:
+ case 0x1816:
+ case 0x1820:
+ case 0x1822:
+ case 0x1824:
+ case 0x1826:
+ log_unhandled("unhandled w16 %08x @%08x\n", add, psxRegs.pc);
+ break;
+
+ default:
+ if (0x1f801c00 <= add && add < 0x1f802000) {
+ SPU_writeRegister(add, value, psxRegs.cycle);
return;
+ }
+ else if (0x1f801000 <= add && add < 0x1f801800)
+ log_unhandled("unhandled w16 %08x %08x @%08x\n",
+ add, value, psxRegs.pc);
}
psxHu16ref(add) = SWAPu16(value);
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Known 16bit write at address %x value %x\n", add, value);
-#endif
-}
-
-#define DmaExec(n) { \
- HW_DMA##n##_CHCR = SWAPu32(value); \
-\
- if (SWAPu32(HW_DMA##n##_CHCR) & 0x01000000 && SWAPu32(HW_DMA_PCR) & (8 << (n * 4))) { \
- psxDma##n(SWAPu32(HW_DMA##n##_MADR), SWAPu32(HW_DMA##n##_BCR), SWAPu32(HW_DMA##n##_CHCR)); \
- } \
}
void psxHwWrite32(u32 add, u32 value) {
- switch (add & 0x1fffffff) {
- case 0x1f801040:
- sioWrite8((unsigned char)value);
- sioWrite8((unsigned char)((value&0xff) >> 8));
- sioWrite8((unsigned char)((value&0xff) >> 16));
- sioWrite8((unsigned char)((value&0xff) >> 24));
-#ifdef PAD_LOG
- PAD_LOG("sio write32 %x\n", value);
-#endif
- return;\r
-#ifdef ENABLE_SIO1API
- case 0x1f801050:
- SIO1_writeData32(value);
- return;\r
-#endif
-#ifdef PSXHW_LOG
- case 0x1f801060:
- PSXHW_LOG("RAM size write %x\n", value);
- psxHu32ref(add) = SWAPu32(value);
- return; // Ram size
-#endif
-
- case 0x1f801070:
-#ifdef PSXHW_LOG
- PSXHW_LOG("IREG 32bit write %x\n", value);
-#endif
- if (Config.Sio) psxHu32ref(0x1070) |= SWAPu32(0x80);
- if (Config.SpuIrq) psxHu32ref(0x1070) |= SWAPu32(0x200);
- psxHu32ref(0x1070) &= SWAPu32(value);
- return;
- case 0x1f801074:
-#ifdef PSXHW_LOG
- PSXHW_LOG("IMASK 32bit write %x\n", value);
-#endif
- psxHu32ref(0x1074) = SWAPu32(value);
- if (psxHu32ref(0x1070) & value)
- new_dyna_set_event(PSXINT_NEWDRC_CHECK, 1);
- return;
-
-#ifdef PSXHW_LOG
- case 0x1f801080:
- PSXHW_LOG("DMA0 MADR 32bit write %x\n", value);
- HW_DMA0_MADR = SWAPu32(value); return; // DMA0 madr
- case 0x1f801084:
- PSXHW_LOG("DMA0 BCR 32bit write %x\n", value);
- HW_DMA0_BCR = SWAPu32(value); return; // DMA0 bcr
-#endif
- case 0x1f801088:
-#ifdef PSXHW_LOG
- PSXHW_LOG("DMA0 CHCR 32bit write %x\n", value);
-#endif
- DmaExec(0); // DMA0 chcr (MDEC in DMA)
- return;
-
-#ifdef PSXHW_LOG
- case 0x1f801090:
- PSXHW_LOG("DMA1 MADR 32bit write %x\n", value);
- HW_DMA1_MADR = SWAPu32(value); return; // DMA1 madr
- case 0x1f801094:
- PSXHW_LOG("DMA1 BCR 32bit write %x\n", value);
- HW_DMA1_BCR = SWAPu32(value); return; // DMA1 bcr
-#endif
- case 0x1f801098:
-#ifdef PSXHW_LOG
- PSXHW_LOG("DMA1 CHCR 32bit write %x\n", value);
-#endif
- DmaExec(1); // DMA1 chcr (MDEC out DMA)
- return;
-
-#ifdef PSXHW_LOG
- case 0x1f8010a0:
- PSXHW_LOG("DMA2 MADR 32bit write %x\n", value);
- HW_DMA2_MADR = SWAPu32(value); return; // DMA2 madr
- case 0x1f8010a4:
- PSXHW_LOG("DMA2 BCR 32bit write %x\n", value);
- HW_DMA2_BCR = SWAPu32(value); return; // DMA2 bcr
-#endif
- case 0x1f8010a8:
-#ifdef PSXHW_LOG
- PSXHW_LOG("DMA2 CHCR 32bit write %x\n", value);
-#endif
- DmaExec(2); // DMA2 chcr (GPU DMA)
- return;
-
-#ifdef PSXHW_LOG
- case 0x1f8010b0:
- PSXHW_LOG("DMA3 MADR 32bit write %x\n", value);
- HW_DMA3_MADR = SWAPu32(value); return; // DMA3 madr
- case 0x1f8010b4:
- PSXHW_LOG("DMA3 BCR 32bit write %x\n", value);
- HW_DMA3_BCR = SWAPu32(value); return; // DMA3 bcr
-#endif
- case 0x1f8010b8:
-#ifdef PSXHW_LOG
- PSXHW_LOG("DMA3 CHCR 32bit write %x\n", value);
-#endif
- DmaExec(3); // DMA3 chcr (CDROM DMA)
-
- return;
-
-#ifdef PSXHW_LOG
- case 0x1f8010c0:
- PSXHW_LOG("DMA4 MADR 32bit write %x\n", value);
- HW_DMA4_MADR = SWAPu32(value); return; // DMA4 madr
- case 0x1f8010c4:
- PSXHW_LOG("DMA4 BCR 32bit write %x\n", value);
- HW_DMA4_BCR = SWAPu32(value); return; // DMA4 bcr
-#endif
- case 0x1f8010c8:
-#ifdef PSXHW_LOG
- PSXHW_LOG("DMA4 CHCR 32bit write %x\n", value);
-#endif
- DmaExec(4); // DMA4 chcr (SPU DMA)
- return;
-
-#if 0
- case 0x1f8010d0: break; //DMA5write_madr();
- case 0x1f8010d4: break; //DMA5write_bcr();
- case 0x1f8010d8: break; //DMA5write_chcr(); // Not needed
-#endif
-
-#ifdef PSXHW_LOG
- case 0x1f8010e0:
- PSXHW_LOG("DMA6 MADR 32bit write %x\n", value);
- HW_DMA6_MADR = SWAPu32(value); return; // DMA6 bcr
- case 0x1f8010e4:
- PSXHW_LOG("DMA6 BCR 32bit write %x\n", value);
- HW_DMA6_BCR = SWAPu32(value); return; // DMA6 bcr
-#endif
- case 0x1f8010e8:
-#ifdef PSXHW_LOG
- PSXHW_LOG("DMA6 CHCR 32bit write %x\n", value);
-#endif
- DmaExec(6); // DMA6 chcr (OT clear)
- return;
-
-#ifdef PSXHW_LOG
- case 0x1f8010f0:
- PSXHW_LOG("DMA PCR 32bit write %x\n", value);
- HW_DMA_PCR = SWAPu32(value);
- return;
-#endif
-
- case 0x1f8010f4:
-#ifdef PSXHW_LOG
- PSXHW_LOG("DMA ICR 32bit write %x\n", value);
-#endif
- {
- u32 tmp = value & 0x00ff803f;
- tmp |= (SWAPu32(HW_DMA_ICR) & ~value) & 0x7f000000;
- if ((tmp & HW_DMA_ICR_GLOBAL_ENABLE && tmp & 0x7f000000)
- || tmp & HW_DMA_ICR_BUS_ERROR) {
- if (!(SWAPu32(HW_DMA_ICR) & HW_DMA_ICR_IRQ_SENT))
- psxHu32ref(0x1070) |= SWAP32(8);
- tmp |= HW_DMA_ICR_IRQ_SENT;
- }
- HW_DMA_ICR = SWAPu32(tmp);
+ switch (add & 0xffff) {
+ case 0x1040: sioWrite8(value); return;
+ case 0x1070: psxHwWriteIstat(value); return;
+ case 0x1074: psxHwWriteImask(value); return;
+ case 0x1088: // DMA0 chcr (MDEC in DMA)
+ case 0x108c: psxHwWriteChcr0(value); return;
+ case 0x1098: // DMA1 chcr (MDEC out DMA)
+ case 0x109c: psxHwWriteChcr1(value); return;
+ case 0x10a8: // DMA2 chcr (GPU DMA)
+ case 0x10ac: psxHwWriteChcr2(value); return;
+ case 0x10b8: // DMA3 chcr (CDROM DMA)
+ case 0x10bc: psxHwWriteChcr3(value); return;
+ case 0x10c8: // DMA4 chcr (SPU DMA)
+ case 0x10cc: psxHwWriteChcr4(value); return;
+ case 0x10e8: // DMA6 chcr (OT clear)
+ case 0x10ec: psxHwWriteChcr6(value); return;
+ case 0x10f4: psxHwWriteDmaIcr32(value); return;
+
+ case 0x1810: GPU_writeData(value); return;
+ case 0x1814: psxHwWriteGpuSR(value); return;
+ case 0x1820: mdecWrite0(value); break;
+ case 0x1824: mdecWrite1(value); break;
+
+ case 0x1100: psxRcntWcount(0, value & 0xffff); return;
+ case 0x1104: psxRcntWmode(0, value); return;
+ case 0x1108: psxRcntWtarget(0, value & 0xffff); return;
+ case 0x1110: psxRcntWcount(1, value & 0xffff); return;
+ case 0x1114: psxRcntWmode(1, value); return;
+ case 0x1118: psxRcntWtarget(1, value & 0xffff); return;
+ case 0x1120: psxRcntWcount(2, value & 0xffff); return;
+ case 0x1124: psxRcntWmode(2, value); return;
+ case 0x1128: psxRcntWtarget(2, value & 0xffff); return;
+
+ case 0x1044:
+ case 0x1048:
+ case 0x104c:
+ case 0x1050:
+ case 0x1054:
+ case 0x1058:
+ case 0x105c:
+ case 0x1800:
+ log_unhandled("unhandled w32 %08x %08x @%08x\n", add, value, psxRegs.pc);
+ break;
+
+ default:
+ if (0x1f801c00 <= add && add < 0x1f802000) {
+ SPU_writeRegister(add, value&0xffff, psxRegs.cycle);
+ SPU_writeRegister(add + 2, value>>16, psxRegs.cycle);
return;
}
-
- case 0x1f801810:
-#ifdef PSXHW_LOG
- PSXHW_LOG("GPU DATA 32bit write %x\n", value);
-#endif
- GPU_writeData(value); return;
- case 0x1f801814:
-#ifdef PSXHW_LOG
- PSXHW_LOG("GPU STATUS 32bit write %x\n", value);
-#endif
- GPU_writeStatus(value);
- gpuSyncPluginSR();
- return;
-
- case 0x1f801820:
- mdecWrite0(value); break;
- case 0x1f801824:
- mdecWrite1(value); break;
-
- case 0x1f801100:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 0 COUNT 32bit write %x\n", value);
-#endif
- psxRcntWcount(0, value & 0xffff); return;
- case 0x1f801104:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 0 MODE 32bit write %x\n", value);
-#endif
- psxRcntWmode(0, value); return;
- case 0x1f801108:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 0 TARGET 32bit write %x\n", value);
-#endif
- psxRcntWtarget(0, value & 0xffff); return; // HW_DMA_ICR&= SWAP32((~value)&0xff000000);
-
- case 0x1f801110:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 1 COUNT 32bit write %x\n", value);
-#endif
- psxRcntWcount(1, value & 0xffff); return;
- case 0x1f801114:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 1 MODE 32bit write %x\n", value);
-#endif
- psxRcntWmode(1, value); return;
- case 0x1f801118:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 1 TARGET 32bit write %x\n", value);
-#endif
- psxRcntWtarget(1, value & 0xffff); return;
-
- case 0x1f801120:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 2 COUNT 32bit write %x\n", value);
-#endif
- psxRcntWcount(2, value & 0xffff); return;
- case 0x1f801124:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 2 MODE 32bit write %x\n", value);
-#endif
- psxRcntWmode(2, value); return;
- case 0x1f801128:
-#ifdef PSXHW_LOG
- PSXHW_LOG("COUNTER 2 TARGET 32bit write %x\n", value);
-#endif
- psxRcntWtarget(2, value & 0xffff); return;
-
- default:
- // Dukes of Hazard 2 - car engine noise
- if (add>=0x1f801c00 && add<0x1f801e00) {
- SPU_writeRegister(add, value&0xffff, psxRegs.cycle);
- SPU_writeRegister(add + 2, value>>16, psxRegs.cycle);
- return;
- }
-
- psxHu32ref(add) = SWAPu32(value);
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Unknown 32bit write at address %x value %x\n", add, value);
-#endif
- return;
}
psxHu32ref(add) = SWAPu32(value);
-#ifdef PSXHW_LOG
- PSXHW_LOG("*Known 32bit write at address %x value %x\n", add, value);
-#endif
}
int psxHwFreeze(void *f, int Mode) {