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Merge pull request #572 from ZeroByteOrg/opmlfo 

Fix issue #567: LFO disable/enable behavior for YM2151.
This commit is contained in:
Natt Akuma 2022-07-17 12:04:38 +07:00 committed by GitHub
parent 96b7e5d353 807848cfee
commit e334fdddb8
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 5 deletions
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8
src/engine/platform/arcade.cpp
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@ -616,6 +616,12 @@ int DivPlatformArcade::dispatch(DivCommand c) {
break;
}
case DIV_CMD_FM_LFO: {
if(c.value==0) {
rWrite(0x01,0x02);
}
else {
rWrite(0x01,0x00);
}
rWrite(0x18,c.value);
break;
}
@ -939,6 +945,8 @@ void DivPlatformArcade::reset() {
pmDepth=0x7f;
//rWrite(0x18,0x10);
immWrite(0x01,0x02); // LFO Off
immWrite(0x18,0x00); // LFO Freq Off
immWrite(0x19,amDepth);
immWrite(0x19,0x80|pmDepth);
//rWrite(0x1b,0x00);