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CPU: Make interrupts actually edge-triggered

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This commit is contained in:
Stenzek
2024-03-16 23:28:53 +10:00
parent 3702a533f2
commit fa6850902a
13 changed files with 145 additions and 98 deletions
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3
src/core/gpu.cpp
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@ -961,6 +961,7 @@ void GPU::CRTCTickEvent(TickCount ticks)
m_crtc_state.current_scanline >= m_crtc_state.vertical_display_end)
{
Timers::SetGate(HBLANK_TIMER_INDEX, false);
InterruptController::SetLineState(InterruptController::IRQ::VBLANK, false);
m_crtc_state.in_vblank = false;
}
@ -971,7 +972,6 @@ void GPU::CRTCTickEvent(TickCount ticks)
if (new_vblank)
{
Log_DebugPrintf("Now in v-blank");
InterruptController::InterruptRequest(InterruptController::IRQ::VBLANK);
// flush any pending draws and "scan out" the image
// TODO: move present in here I guess
@ -987,6 +987,7 @@ void GPU::CRTCTickEvent(TickCount ticks)
}
Timers::SetGate(HBLANK_TIMER_INDEX, new_vblank);
InterruptController::SetLineState(InterruptController::IRQ::VBLANK, new_vblank);
m_crtc_state.in_vblank = new_vblank;
}