drc: something works on arm64

[pcsx_rearmed.git] / libpcsxcore / psxhw.c

diff --git a/libpcsxcore/psxhw.c b/libpcsxcore/psxhw.c
index 8069c07..dbcb989 100644 (file)
--- a/libpcsxcore/psxhw.c
+++ b/libpcsxcore/psxhw.c
@@ -24,6 +24,10 @@
 #include "psxhw.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);
@@ -34,12 +38,13 @@ void psxHwReset() {
        mdecInit(); // initialize mdec decoder
        cdrReset();
        psxRcntInit();
+       HW_GPU_STATUS = 0x14802000;
 }
 
 u8 psxHwRead8(u32 add) {
        unsigned char hard;
 
-       switch (add) {
+       switch (add & 0x1fffffff) {
                case 0x1f801040: hard = sioRead8();break; \r
 #ifdef ENABLE_SIO1API
                case 0x1f801050: hard = SIO1_readData8(); break;\r
@@ -65,7 +70,7 @@ u8 psxHwRead8(u32 add) {
 u16 psxHwRead16(u32 add) {
        unsigned short hard;
 
-       switch (add) {
+       switch (add & 0x1fffffff) {
 #ifdef PSXHW_LOG
                case 0x1f801070: PSXHW_LOG("IREG 16bit read %x\n", psxHu16(0x1070));
                        return psxHu16(0x1070);
@@ -118,7 +123,14 @@ u16 psxHwRead16(u32 add) {
                        return hard;
                case 0x1f80105e:
                        hard = SIO1_readBaud16();
-                       return hard;\r
+                       return hard;
+#else
+               /* Fixes Armored Core misdetecting the Link cable being detected.
+                * We want to turn that thing off and force it to do local multiplayer instead.
+                * Thanks Sony for the fix, they fixed it in their PS Classic fork.
+                */
+               case 0x1f801054:
+                       return 0x80;\r
 #endif
                case 0x1f801100:
                        hard = psxRcntRcount(0);
@@ -199,7 +211,7 @@ u16 psxHwRead16(u32 add) {
 u32 psxHwRead32(u32 add) {
        u32 hard;
 
-       switch (add) {
+       switch (add & 0x1fffffff) {
                case 0x1f801040:
                        hard = sioRead8();
                        hard |= sioRead8() << 8;
@@ -235,7 +247,10 @@ u32 psxHwRead32(u32 add) {
 #endif
                        return hard;
                case 0x1f801814:
-                       hard = GPU_readStatus();
+                       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
@@ -347,7 +362,7 @@ u32 psxHwRead32(u32 add) {
 }
 
 void psxHwWrite8(u32 add, u8 value) {
-       switch (add) {
+       switch (add & 0x1fffffff) {
                case 0x1f801040: sioWrite8(value); break;\r
 #ifdef ENABLE_SIO1API
                case 0x1f801050: SIO1_writeData8(value); break;\r
@@ -371,7 +386,7 @@ void psxHwWrite8(u32 add, u8 value) {
 }
 
 void psxHwWrite16(u32 add, u16 value) {
-       switch (add) {
+       switch (add & 0x1fffffff) {
                case 0x1f801040:
                        sioWrite8((unsigned char)value);
                        sioWrite8((unsigned char)(value>>8));
@@ -423,7 +438,7 @@ void psxHwWrite16(u32 add, u16 value) {
 #endif
                        if (Config.Sio) psxHu16ref(0x1070) |= SWAPu16(0x80);
                        if (Config.SpuIrq) psxHu16ref(0x1070) |= SWAPu16(0x200);
-                       psxHu16ref(0x1070) &= SWAPu16((psxHu16(0x1074) & value));
+                       psxHu16ref(0x1070) &= SWAPu16(value);
                        return;
 
                case 0x1f801074:
@@ -485,7 +500,7 @@ void psxHwWrite16(u32 add, u16 value) {
 
                default:
                        if (add>=0x1f801c00 && add<0x1f801e00) {
-               SPU_writeRegister(add, value);
+                               SPU_writeRegister(add, value, psxRegs.cycle);
                                return;
                        }
 
@@ -510,7 +525,7 @@ void psxHwWrite16(u32 add, u16 value) {
 }
 
 void psxHwWrite32(u32 add, u32 value) {
-       switch (add) {
+       switch (add & 0x1fffffff) {
            case 0x1f801040:
                        sioWrite8((unsigned char)value);
                        sioWrite8((unsigned char)((value&0xff) >>  8));
@@ -538,7 +553,7 @@ void psxHwWrite32(u32 add, u32 value) {
 #endif
                        if (Config.Sio) psxHu32ref(0x1070) |= SWAPu32(0x80);
                        if (Config.SpuIrq) psxHu32ref(0x1070) |= SWAPu32(0x200);
-                       psxHu32ref(0x1070) &= SWAPu32((psxHu32(0x1074) & value));
+                       psxHu32ref(0x1070) &= SWAPu32(value);
                        return;
                case 0x1f801074:
 #ifdef PSXHW_LOG
@@ -658,8 +673,15 @@ void psxHwWrite32(u32 add, u32 value) {
                        PSXHW_LOG("DMA ICR 32bit write %x\n", value);
 #endif
                {
-                       u32 tmp = (~value) & SWAPu32(HW_DMA_ICR);
-                       HW_DMA_ICR = SWAPu32(((tmp ^ value) & 0xffffff) ^ tmp);
+                       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);
                        return;
                }
 
@@ -672,7 +694,9 @@ void psxHwWrite32(u32 add, u32 value) {
 #ifdef PSXHW_LOG
                        PSXHW_LOG("GPU STATUS 32bit write %x\n", value);
 #endif
-                       GPU_writeStatus(value); return;
+                       GPU_writeStatus(value);
+                       gpuSyncPluginSR();
+                       return;
 
                case 0x1f801820:
                        mdecWrite0(value); break;
@@ -730,8 +754,8 @@ void psxHwWrite32(u32 add, u32 value) {
                default:
                        // Dukes of Hazard 2 - car engine noise
                        if (add>=0x1f801c00 && add<0x1f801e00) {
-                               SPU_writeRegister(add, value&0xffff);
-                               SPU_writeRegister(add + 2, value>>16);
+                               SPU_writeRegister(add, value&0xffff, psxRegs.cycle);
+                               SPU_writeRegister(add + 2, value>>16, psxRegs.cycle);
                                return;
                        }
 
@@ -747,6 +771,6 @@ void psxHwWrite32(u32 add, u32 value) {
 #endif
 }
 
-int psxHwFreeze(gzFile f, int Mode) {
+int psxHwFreeze(void *f, int Mode) {
        return 0;
 }