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Power on with frame IRQ disabled. This already matches the behavior of some famiclones, increases compatibility with several known titles, while any game that makes use of Frame IRQ explicitly enables it anyway.

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NewRisingSun
2025-09-18 11:05:33 +02:00
parent 3969360227
commit 2c1ca2c179
1 changed files with 1 additions and 1 deletions
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src/sound.c
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@@ -1070,7 +1070,7 @@ void FCEUSND_Power(void) {
for (x = 0; x < 5; x++)
ChannelBC[x] = 0;
soundtsoffs = 0;
IRQFrameMode = 0x0; /* Only initialized by power-on reset, not by soft reset */
IRQFrameMode = 0x1; /* Only initialized by power-on reset, not by soft reset. NRS: don't start with Frame IRQ enabled for greater compatibility. Any game that actually uses frame IRQ will explicitly enable it, anyway. */
LoadDMCPeriod(DMCFormat & 0xF);
}