New config param HackFix which enables compatibility hacks on certain games and is disabled by default.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@91052 e17a0e51-4ae3-4d35-97c3-1a29b211df97

4 files changed, 24 insertions, 8 deletions

diff --git a/libpcsxcore/ix86_64/iR3000A-64.c b/libpcsxcore/ix86_64/iR3000A-64.c
index 2785c42c..13cb432c 100755
--- a/libpcsxcore/ix86_64/iR3000A-64.c
+++ b/libpcsxcore/ix86_64/iR3000A-64.c
@@ -1644,7 +1644,7 @@ static void recLW() {
 	// Delay is memread delay + 1 cycle.
 	// Seems to work nicely with games that require cycle accuracy like CART World Series.
 	// TODO: this could be needed with other L ops such as LB.
-	INC32M((uptr)&psxRegs.cycle);
+	if (Config.HackFix)INC32M((uptr)&psxRegs.cycle);
 }
 
 extern u32 LWL_MASK[4];
diff --git a/libpcsxcore/psxcommon.h b/libpcsxcore/psxcommon.h
index 7e7713e8..fc1a0c02 100755
--- a/libpcsxcore/psxcommon.h
+++ b/libpcsxcore/psxcommon.h
@@ -159,6 +159,7 @@ typedef struct {
 	u8 PsxType; // PSX_TYPE_NTSC or PSX_TYPE_PAL
 	u32 RewindCount;
 	u32 RewindInterval;
+	u8 HackFix;
 #ifdef _WIN32
 	char Lang[256];
 #endif
diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c
index 38280d14..000a8929 100755
--- a/libpcsxcore/psxcounters.c
+++ b/libpcsxcore/psxcounters.c
@@ -65,9 +65,7 @@ static const u32 CountToOverflow  = 0;
 static const u32 CountToTarget    = 1;
 
 static const u32 FrameRate[]      = { 60, 50 };
-//static const u32 VBlankStart[]    = { 240, 256 };
 static const u32 VBlankStart[]    = { 243, 256 };
-static const u32 HSyncTotal[]     = { 263, 313 };
 static const u32 SpuUpdInterval[] = { 23, 22 };
 
 #if defined(PSXHW_LOG) && defined(PSXMEM_LOG) && defined(PSXDMA_LOG) // automatic guess if we want trace level logging
@@ -84,6 +82,7 @@ static Rcnt rcnts[ CounterQuantity ];
 static u32 hSyncCount = 0;
 static u32 spuSyncCount = 0;
 
+u32 HSyncTotal[PSX_TYPE_PAL+1]; // 2
 u32 psxNextCounter = 0, psxNextsCounter = 0;
 
 /******************************************************************************/
@@ -309,8 +308,8 @@ void psxRcntUpdate()
             //setIrq( 0x01 );
         }
 
-        // Update lace. (with InuYasha fix)
-        if( hSyncCount >= (Config.VSyncWA ? HSyncTotal[Config.PsxType] / BIAS : HSyncTotal[Config.PsxType]) )
+        // Update lace. (calculated at psxHsyncCalculate() on init/defreeze)
+        if( hSyncCount >= HSyncTotal[Config.PsxType] )
         {
             hSyncCount = 0;
 
@@ -414,7 +413,7 @@ u32 psxRcntRcount( u32 index )
 
     // Parasite Eve 2 fix - artificial clock jitter based on BIAS
     // TODO: any other games depend on getting excepted value from RCNT?
-    if( index == 2 && rcnts[index].counterState == CountToTarget && (Config.RCntFix || ((rcnts[index].mode & 0x2FF) == JITTER_FLAGS)) )
+    if( Config.HackFix && index == 2 && rcnts[index].counterState == CountToTarget && (Config.RCntFix || ((rcnts[index].mode & 0x2FF) == JITTER_FLAGS)) )
     {
         /*
         *The problem is that...
@@ -466,10 +465,22 @@ u32 psxRcntRtarget( u32 index )
 
 /******************************************************************************/
 
+void psxHsyncCalculate()
+{
+    HSyncTotal[PSX_TYPE_NTSC] = 263; HSyncTotal[PSX_TYPE_PAL] = 313;
+    if (Config.VSyncWA) {
+        HSyncTotal[Config.PsxType] = HSyncTotal[Config.PsxType] / BIAS;
+    } else if (Config.HackFix) {
+        HSyncTotal[Config.PsxType] = HSyncTotal[Config.PsxType]+1;
+    }
+}
+
 void psxRcntInit()
 {
     s32 i;
 
+    psxHsyncCalculate();
+
     // rcnt 0.
     rcnts[0].rate   = 1;
     rcnts[0].irq    = 0x10;
@@ -508,6 +519,10 @@ s32 psxRcntFreeze( gzFile f, s32 Mode )
     gzfreeze( &psxNextCounter, sizeof(psxNextCounter) );
     gzfreeze( &psxNextsCounter, sizeof(psxNextsCounter) );
 
+    if (Mode == 0) {
+        psxHsyncCalculate();
+    }
+
     return 0;
 }
 
diff --git a/libpcsxcore/psxhw.c b/libpcsxcore/psxhw.c
index c00b8ab8..91aa4b32 100755
--- a/libpcsxcore/psxhw.c
+++ b/libpcsxcore/psxhw.c
@@ -660,7 +660,7 @@ void psxHwWrite32(u32 add, u32 value) {
 				return;
 			}
 			DmaExec(2);                  // DMA2 chcr (GPU DMA)
-			if (HW_DMA2_CHCR == 0x1000401)
+			if (Config.HackFix && HW_DMA2_CHCR == 0x1000401)
 				dmaGpuListHackEn=TRUE;
 			return;
 
@@ -749,7 +749,7 @@ void psxHwWrite32(u32 add, u32 value) {
 			// MML/Tronbonne is known to use this.
 			// TODO FIFO is not implemented properly so commands are not exact
 			// and thus we rely on hack that counter/cdrom irqs are enabled at same time
-			if (SWAPu32(value) == 0x1f00000 && (psxHu32ref(0x1070) & 0x44)) {
+			if (Config.HackFix && SWAPu32(value) == 0x1f00000 && (psxHu32ref(0x1070) & 0x44)) {
 				setIrq( 0x01 );
 			}
 			GPU_writeData(value); return;