X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fpsxcounters.c;h=5198646d95d38085c6320f34dc75be05f5f7ad2d;hb=f3fa20c2fc7cff9352b5bcbe23e8b682bdcf0b2c;hp=283173b52aab865996621ea00bf72d26f28958a7;hpb=41e82ad46e60f9c3291ff81ebe4a07512b1194c5;p=pcsx_rearmed.git

diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c
index 283173b5..5198646d 100644
--- a/libpcsxcore/psxcounters.c
+++ b/libpcsxcore/psxcounters.c
@@ -23,7 +23,8 @@
 
 #include "psxcounters.h"
 #include "gpu.h"
-#include "debug.h"
+//#include "debug.h"
+#define DebugVSync()
 
 /******************************************************************************/
 
@@ -60,7 +61,7 @@ static const u32 CountToOverflow  = 0;
 static const u32 CountToTarget    = 1;
 
 static const u32 FrameRate[]      = { 60, 50 };
-static const u32 HSyncTotal[]     = { 263, 313 };
+static const u32 HSyncTotal[]     = { 263, 314 }; // actually one more on odd lines for PAL
 #define VBlankStart 240
 
 #define VERBOSE_LEVEL 0
@@ -299,19 +300,19 @@ void psxRcntUpdate()
     cycle = psxRegs.cycle;
 
     // rcnt 0.
-    if( cycle - rcnts[0].cycleStart >= rcnts[0].cycle )
+    while( cycle - rcnts[0].cycleStart >= rcnts[0].cycle )
     {
         psxRcntReset( 0 );
     }
 
     // rcnt 1.
-    if( cycle - rcnts[1].cycleStart >= rcnts[1].cycle )
+    while( cycle - rcnts[1].cycleStart >= rcnts[1].cycle )
     {
         psxRcntReset( 1 );
     }
 
     // rcnt 2.
-    if( cycle - rcnts[2].cycleStart >= rcnts[2].cycle )
+    while( cycle - rcnts[2].cycleStart >= rcnts[2].cycle )
     {
         psxRcntReset( 2 );
     }
@@ -327,7 +328,7 @@ void psxRcntUpdate()
         // VSync irq.
         if( hSyncCount == VBlankStart )
         {
-            HW_GPU_STATUS &= ~PSXGPU_LCF;
+            HW_GPU_STATUS &= SWAP32(~PSXGPU_LCF);
             GPU_vBlank( 1, 0 );
             setIrq( 0x01 );
 
@@ -347,9 +348,9 @@ void psxRcntUpdate()
             frame_counter++;
 
             gpuSyncPluginSR();
-            if( (HW_GPU_STATUS & PSXGPU_ILACE_BITS) == PSXGPU_ILACE_BITS )
-                HW_GPU_STATUS |= frame_counter << 31;
-            GPU_vBlank( 0, HW_GPU_STATUS >> 31 );
+            if ((HW_GPU_STATUS & SWAP32(PSXGPU_ILACE_BITS)) == SWAP32(PSXGPU_ILACE_BITS))
+                HW_GPU_STATUS |= SWAP32(frame_counter << 31);
+            GPU_vBlank(0, SWAP32(HW_GPU_STATUS) >> 31);
         }
 
         // Schedule next call, in hsyncs
@@ -502,13 +503,16 @@ s32 psxRcntFreeze( void *f, s32 Mode )
     if (Mode == 0)
     {
         // don't trust things from a savestate
+        rcnts[3].rate = 1;
         for( i = 0; i < CounterQuantity; ++i )
         {
             _psxRcntWmode( i, rcnts[i].mode );
             count = (psxRegs.cycle - rcnts[i].cycleStart) / rcnts[i].rate;
             _psxRcntWcount( i, count );
         }
-        hsync_steps = (psxRegs.cycle - rcnts[3].cycleStart) / rcnts[3].target;
+        hsync_steps = 0;
+        if (rcnts[3].target)
+           hsync_steps = (psxRegs.cycle - rcnts[3].cycleStart) / rcnts[3].target;
         psxRcntSet();
 
         base_cycle = 0;