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Merge pull request #594 from tildearrow/revert-593-revert-572-opmlfo

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Fix issue #567: LFO disable/enable behavior for YM2151.
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tildearrow 2022-09-10 17:07:01 -05:00 committed by GitHub
commit ea5b0baf0a
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1 changed files with 13 additions and 5 deletions
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8
src/engine/platform/arcade.cpp
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@ -502,6 +502,12 @@ int DivPlatformArcade::dispatch(DivCommand c) {
break; break;
} }
case DIV_CMD_FM_LFO: { case DIV_CMD_FM_LFO: {
if(c.value==0) {
rWrite(0x01,0x02);
}
else {
rWrite(0x01,0x00);
}
rWrite(0x18,c.value); rWrite(0x18,c.value);
break; break;
} }
@ -825,6 +831,8 @@ void DivPlatformArcade::reset() {
pmDepth=0x7f; pmDepth=0x7f;
//rWrite(0x18,0x10); //rWrite(0x18,0x10);
immWrite(0x01,0x02); // LFO Off
immWrite(0x18,0x00); // LFO Freq Off
immWrite(0x19,amDepth); immWrite(0x19,amDepth);
immWrite(0x19,0x80|pmDepth); immWrite(0x19,0x80|pmDepth);
//rWrite(0x1b,0x00); //rWrite(0x1b,0x00);