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new arp strategy, part 1

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tildearrow 2022-12-17 02:07:24 -05:00
parent 3eb3d8a6f1
commit 6f22ade69a
58 changed files with 150 additions and 116 deletions
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16
src/engine/platform/tia.cpp
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@ -132,14 +132,20 @@ void DivPlatformTIA::tick(bool sysTick) {
chan[i].freqChanged=true;
}
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
chan[i].freq=dealWithFreq(chan[i].shape,chan[i].baseFreq,chan[i].pitch)+chan[i].pitch2;
int bf=chan[i].baseFreq;
if (!parent->song.oldArpStrategy) {
if (!chan[i].fixedArp) {
bf+=chan[i].baseFreq+chan[i].arpOff;
}
}
chan[i].freq=dealWithFreq(chan[i].shape,bf,chan[i].pitch)+chan[i].pitch2;
if ((chan[i].shape==4 || chan[i].shape==5) && !(chan[i].baseFreq&0x80000000 && ((chan[i].baseFreq&0x7fffffff)<32))) {
if (chan[i].baseFreq<39*256) {
if (bf<39*256) {
rWrite(0x15+i,6);
chan[i].freq=dealWithFreq(6,chan[i].baseFreq,chan[i].pitch)+chan[i].pitch2;
} else if (chan[i].baseFreq<59*256) {
chan[i].freq=dealWithFreq(6,bf,chan[i].pitch)+chan[i].pitch2;
} else if (bf<59*256) {
rWrite(0x15+i,12);
chan[i].freq=dealWithFreq(12,chan[i].baseFreq,chan[i].pitch)+chan[i].pitch2;
chan[i].freq=dealWithFreq(12,bf,chan[i].pitch)+chan[i].pitch2;
} else {
rWrite(0x15+i,chan[i].shape);
}