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AY: fix wave macro and effect

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This commit is contained in:
tildearrow 2022-01-18 15:48:40 -05:00
parent a148a04e2c
commit 05fd372728
3 changed files with 34 additions and 6 deletions
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13
src/engine/platform/ay8930.cpp
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@ -82,8 +82,12 @@ void DivPlatformAY8930::tick() {
rWrite(0x06,chan[i].std.duty);
}
if (chan[i].std.hadWave) {
chan[i].psgMode&=4;
chan[i].psgMode|=(chan[i].std.wave+1)&3;
chan[i].psgMode=(chan[i].std.wave+1)&7;
if (isMuted[i]) {
rWrite(0x08+i,0);
} else {
rWrite(0x08+i,(chan[i].outVol&31)|((chan[i].psgMode&4)<<3));
}
}
if (chan[i].std.hadEx1) { // duty
rWrite(0x16+i,chan[i].std.ex1);
@ -225,6 +229,11 @@ int DivPlatformAY8930::dispatch(DivCommand c) {
case DIV_CMD_STD_NOISE_MODE:
if (c.value<0x10) {
chan[c.chan].psgMode=(c.value+1)&7;
if (isMuted[c.chan]) {
rWrite(0x08+c.chan,0);
} else if (chan[c.chan].active) {
rWrite(0x08+c.chan,(chan[c.chan].outVol&31)|((chan[c.chan].psgMode&4)<<3));
}
} else {
chan[c.chan].duty=c.value&15;
immWrite(0x16,chan[c.chan].duty);