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SMS/T6W28: limit upper period

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tildearrow 2023-01-02 00:00:23 -05:00
parent 565e8cc314
commit 560ec19176
2 changed files with 2 additions and 0 deletions
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1
src/engine/platform/sms.cpp
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@ -228,6 +228,7 @@ void DivPlatformSMS::tick(bool sysTick) {
if (parent->song.snNoLowPeriods) { if (parent->song.snNoLowPeriods) {
if (chan[3].actualNote>0x5d) chan[3].freq=0x01; if (chan[3].actualNote>0x5d) chan[3].freq=0x01;
} }
if (chan[3].freq<0) chan[3].freq=0;
if (snNoiseMode&2) { // take period from channel 3 if (snNoiseMode&2) { // take period from channel 3
if (updateSNMode || resetPhase) { if (updateSNMode || resetPhase) {
if (snNoiseMode&1) { if (snNoiseMode&1) {

1
src/engine/platform/t6w28.cpp
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@ -146,6 +146,7 @@ void DivPlatformT6W28::tick(bool sysTick) {
} }
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) { if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
chan[i].freq=snCalcFreq(i); chan[i].freq=snCalcFreq(i);
if (chan[i].freq<0) chan[i].freq=0;
if (chan[i].freq>1023) chan[i].freq=1023; if (chan[i].freq>1023) chan[i].freq=1023;
if (i==3) { if (i==3) {
rWrite(1,0x80|(2<<5)|(chan[3].freq&15)); rWrite(1,0x80|(2<<5)|(chan[3].freq&15));