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gm-matthew 2022-11-25 22:44:22 +00:00 committed by trzy
parent 916d3d3af1
commit 6a392f2cc9
1 changed files with 2 additions and 0 deletions
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Src/Model3/Model3.cpp
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@ -2070,6 +2070,8 @@ void CModel3::RunMainBoardFrame(void)
IRQ.Assert(0x02); // start at 33% of the frame IRQ.Assert(0x02); // start at 33% of the frame
// keep running cycles until IRQ2 is acknowledged // keep running cycles until IRQ2 is acknowledged
// Ski Champ can hang if we check the MIDI control port too early
// and miss MIDI interrupts pending before the next IRQ2
while (IRQ.ReadIRQEnable() & 0x2 && IRQ.ReadIRQState() & 0x2 && dispCycles > 1000) while (IRQ.ReadIRQEnable() & 0x2 && IRQ.ReadIRQState() & 0x2 && dispCycles > 1000)
{ {
ppc_execute(1000); ppc_execute(1000);