}
HW_GPU_STATUS = SWAP32(status);
GPU_vBlank(0, field);
+ if ((s32)(psxRegs.gpuIdleAfter - psxRegs.cycle) < 0)
+ psxRegs.gpuIdleAfter = psxRegs.cycle - 1; // prevent overflow
if ((rcnts[0].mode & 7) == (RcSyncModeEnable | Rc01UnblankReset) ||
(rcnts[0].mode & 7) == (RcSyncModeEnable | Rc01UnblankReset2))