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When disabling sound IRQs via MIDI control port, clear current IRQ

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Prevents Dirt Devils hanging during boot
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gm-matthew 2024-05-22 22:31:02 +01:00 committed by Bart Trzynadlowski
parent 976f0208dc
commit 7d32bde074
1 changed files with 5 additions and 1 deletions
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6
Src/Model3/Model3.cpp
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@ -1423,8 +1423,12 @@ void CModel3::Write8(UINT32 addr, UINT8 data)
SoundBoard.WriteMIDIPort(data); SoundBoard.WriteMIDIPort(data);
IRQ.Deassert(0x40); IRQ.Deassert(0x40);
} }
else if ((addr&0xF) == 4) // MIDI control port else if ((addr & 0xF) == 4) // MIDI control port
{
midiCtrlPort = data; midiCtrlPort = data;
if ((data & 0x20) == 0)
IRQ.Deassert(0x40);
}
break; break;
// Backup RAM // Backup RAM