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C219: noise/invert/surround effects/macro

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This commit is contained in:
tildearrow 2023-08-28 17:59:34 -05:00
parent 980c93aac4
commit 2fddd9e4d4
4 changed files with 43 additions and 9 deletions
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28
src/engine/platform/c140.cpp
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@ -150,6 +150,15 @@ void DivPlatformC140::tick(bool sysTick) {
}
chan[i].freqChanged=true;
}
if (is219) {
if (chan[i].std.duty.had) {
chan[i].noise=chan[i].std.duty.val&1;
chan[i].invert=chan[i].std.duty.val&2;
chan[i].surround=chan[i].std.duty.val&4;
chan[i].freqChanged=true;
chan[i].writeCtrl=true;
}
}
if (chan[i].std.pitch.had) {
if (chan[i].std.pitch.mode) {
chan[i].pitch2+=chan[i].std.pitch.val;
@ -193,7 +202,6 @@ void DivPlatformC140::tick(bool sysTick) {
chan[i].audPos=0;
}
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
bool writeCtrl=false;
DivSample* s=parent->getSample(chan[i].sample);
unsigned char ctrl=0;
double off=(s->centerRate>=1)?((double)s->centerRate/8363.0):1.0;
@ -264,11 +272,11 @@ void DivPlatformC140::tick(bool sysTick) {
chan[i].volChangedL=true;
chan[i].volChangedR=true;
}
writeCtrl=true;
chan[i].writeCtrl=true;
chan[i].keyOn=false;
}
if (chan[i].keyOff) {
writeCtrl=true;
chan[i].writeCtrl=true;
chan[i].keyOff=false;
}
if (chan[i].freqChanged) {
@ -276,8 +284,9 @@ void DivPlatformC140::tick(bool sysTick) {
rWrite(0x03+(i<<4),chan[i].freq&0xff);
chan[i].freqChanged=false;
}
if (writeCtrl) {
if (chan[i].writeCtrl) {
rWrite(0x05+(i<<4),ctrl);
chan[i].writeCtrl=false;
}
}
}
@ -342,6 +351,17 @@ int DivPlatformC140::dispatch(DivCommand c) {
}
return chan[c.chan].outVol;
break;
case DIV_CMD_STD_NOISE_MODE:
if (!is219) break;
chan[c.chan].noise=c.value;
chan[c.chan].writeCtrl=true;
break;
case DIV_CMD_SNES_INVERT:
if (!is219) break;
chan[c.chan].invert=c.value&15;
chan[c.chan].surround=c.value>>4;
chan[c.chan].writeCtrl=true;
break;
case DIV_CMD_PANNING:
chan[c.chan].chPanL=c.value;
chan[c.chan].chPanR=c.value2;