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OPL: more 4-op mode fixes

This commit is contained in:
tildearrow 2022-03-15 18:01:24 -05:00
parent 4c5c4a647b
commit 83e7d966b9
1 changed files with 5 additions and 13 deletions
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18
src/engine/platform/opl.cpp
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@ -349,9 +349,6 @@ void DivPlatformOPL::tick() {
if (chan[i].keyOn || chan[i].keyOff) {
immWrite(chanMap[i]+ADDR_FREQH,0x00|(chan[i].freqH&31));
if (chan[i].state.ops==4 && i<6) {
immWrite(chanMap[i+1]+ADDR_FREQH,0x00|(chan[i].freqH&31));
}
chan[i].keyOff=false;
}
}
@ -361,7 +358,7 @@ void DivPlatformOPL::tick() {
if (oplType==3) {
unsigned char opMask=chan[0].fourOp|(chan[2].fourOp<<1)|(chan[4].fourOp<<2)|(chan[6].fourOp<<3)|(chan[8].fourOp<<4)|(chan[10].fourOp<<5);
immWrite(0x104,opMask);
//printf("updating opMask to %.2x\n",opMask);
printf("updating opMask to %.2x\n",opMask);
}
}
@ -380,21 +377,12 @@ void DivPlatformOPL::tick() {
chan[i].freqH=freqt>>8;
chan[i].freqL=freqt&0xff;
immWrite(chanMap[i]+ADDR_FREQ,chan[i].freqL);
if (chan[i].state.ops==4 && i<6) {
immWrite(chanMap[i+1]+ADDR_FREQ,chan[i].freqL);
}
}
if (chan[i].keyOn) {
immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(0x20));
if (chan[i].state.ops==4 && i<6) {
immWrite(chanMap[i+1]+ADDR_FREQH,chan[i].freqH|(0x20));
}
chan[i].keyOn=false;
} else if (chan[i].freqChanged) {
immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(chan[i].active<<5));
if (chan[i].state.ops==4 && i<6) {
immWrite(chanMap[i+1]+ADDR_FREQH,chan[i].freqH|(chan[i].active<<5));
}
}
chan[i].freqChanged=false;
}
@ -526,13 +514,17 @@ int DivPlatformOPL::dispatch(DivCommand c) {
}
if (isMuted[c.chan]) {
oldWrites[chanMap[c.chan]+ADDR_LR_FB_ALG]=-1;
rWrite(chanMap[c.chan]+ADDR_LR_FB_ALG,(chan[c.chan].state.alg&1)|(chan[c.chan].state.fb<<1));
if (ops==4) {
oldWrites[chanMap[c.chan+1]+ADDR_LR_FB_ALG]=-1;
rWrite(chanMap[c.chan+1]+ADDR_LR_FB_ALG,((chan[c.chan].state.alg>>1)&1)|(chan[c.chan].state.fb<<1));
}
} else {
oldWrites[chanMap[c.chan]+ADDR_LR_FB_ALG]=-1;
rWrite(chanMap[c.chan]+ADDR_LR_FB_ALG,(chan[c.chan].state.alg&1)|(chan[c.chan].state.fb<<1)|((chan[c.chan].pan&3)<<4));
if (ops==4) {
oldWrites[chanMap[c.chan+1]+ADDR_LR_FB_ALG]=-1;
rWrite(chanMap[c.chan+1]+ADDR_LR_FB_ALG,((chan[c.chan].state.alg>>1)&1)|(chan[c.chan].state.fb<<1)|((chan[c.chan].pan&3)<<4));
}
}