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implement OpMask for the rest of FM chips

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whether supported
This commit is contained in:
tildearrow 2022-09-12 02:26:00 -05:00
parent 6e1f54b777
commit a08ae8cce7
10 changed files with 40 additions and 10 deletions
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7
src/engine/platform/arcade.cpp
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@ -255,6 +255,10 @@ void DivPlatformArcade::tick(bool sysTick) {
chan[i].state.ams=chan[i].std.ams.val;
rWrite(chanOffs[i]+ADDR_FMS_AMS,((chan[i].state.fms&7)<<4)|(chan[i].state.ams&3));
}
if (chan[i].std.ex4.had && chan[i].active) {
chan[i].opMask=chan[i].std.ex4.val&15;
chan[i].opMaskChanged=true;
}
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
@ -347,8 +351,9 @@ void DivPlatformArcade::tick(bool sysTick) {
immWrite(i+0x30,chan[i].freq<<2);
chan[i].freqChanged=false;
}
if (chan[i].keyOn) {
if (chan[i].keyOn || chan[i].opMaskChanged) {
immWrite(0x08,(chan[i].opMask<<3)|i);
chan[i].opMaskChanged=false;
chan[i].keyOn=false;
}
}