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finally do EFxx right

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took a while to figure out...
This commit is contained in:
tildearrow 2021-12-28 00:51:38 -05:00
parent b246000f0e
commit d766c4aaf0
13 changed files with 23 additions and 37 deletions
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4
src/engine/platform/sms.cpp
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@ -37,7 +37,7 @@ void DivPlatformSMS::tick() {
}
for (int i=0; i<3; i++) {
if (chan[i].freqChanged) {
chan[i].freq=(chan[i].baseFreq*pow(2,(double)-chan[i].pitch/(12.0*128.0)));
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true);
if (chan[i].note>0x5d) chan[i].freq=0x01;
sn->write(0x80|i<<5|(chan[i].freq&15));
sn->write(chan[i].freq>>4);
@ -46,7 +46,7 @@ void DivPlatformSMS::tick() {
}
if (chan[3].freqChanged || updateSNMode) {
updateSNMode=false;
chan[3].freq=(chan[3].baseFreq*pow(2,(double)-chan[3].pitch/(12.0*128.0)));
chan[3].freq=parent->calcFreq(chan[3].baseFreq,chan[3].pitch,true);
if (chan[3].note>0x5d) chan[3].freq=0x01;
chan[3].freqChanged=false;
if (snNoiseMode&2) { // take period from channel 3