{
u32 count;
+ rcnts[index].mode |= RcUnknown10;
+
if( rcnts[index].counterState == CountToTarget )
{
+ count = psxRegs.cycle;
+ count -= rcnts[index].cycleStart;
+ if( rcnts[index].rate > 1 )
+ count /= rcnts[index].rate;
if( rcnts[index].mode & RcCountToTarget )
- {
- count = psxRegs.cycle;
- count -= rcnts[index].cycleStart;
- if (rcnts[index].rate > 1)
- count /= rcnts[index].rate;
count -= rcnts[index].target;
- }
- else
- {
- count = _psxRcntRcount( index );
- }
_psxRcntWcount( index, count );
}
rcnts[index].mode |= RcCountEqTarget;
+
+ if( count < 0xffff ) // special case, overflow too?
+ return;
}
- else if( rcnts[index].counterState == CountToOverflow )
+
+ if( rcnts[index].counterState == CountToOverflow )
{
count = psxRegs.cycle;
count -= rcnts[index].cycleStart;
rcnts[index].mode |= RcOverflow;
}
-
- rcnts[index].mode |= RcUnknown10;
-
- psxRcntSet();
}
void psxRcntUpdate()
// VSync irq.
if( hSyncCount == VBlankStart[Config.PsxType] )
{
- //if( !(HW_GPU_STATUS & PSXGPU_ILACE) ) // hmh
+ if( !(HW_GPU_STATUS & PSXGPU_ILACE) )
HW_GPU_STATUS |= PSXGPU_LCF;
- // For the best times. :D
- //setIrq( 0x01 );
+ setIrq( 0x01 );
+
+ EmuUpdate();
+ GPU_updateLace();
}
// Update lace. (with InuYasha fix)
hSyncCount = 0;
frame_counter++;
- setIrq( 0x01 );
-
- EmuUpdate();
- GPU_updateLace();
-
HW_GPU_STATUS &= ~PSXGPU_LCF;
if( HW_GPU_STATUS & PSXGPU_ILACE )
HW_GPU_STATUS |= frame_counter << 31;
base_cycle += hsync_steps * 8791293;
rcnts[3].cycle = base_cycle >> 12;
base_cycle &= 0xfff;
- psxRcntSet();
}
+ psxRcntSet();
+
#ifndef NDEBUG
DebugVSync();
#endif