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SN: address easy noise feedback, part 1

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tildearrow 2022-11-28 01:27:58 -05:00
parent 6750a8ef6a
commit a7dfe6534d
2 changed files with 4 additions and 2 deletions
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5
src/engine/platform/sms.cpp
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@ -126,14 +126,14 @@ double DivPlatformSMS::NOTE_SN(int ch, int note) {
return NOTE_PERIODIC(note);
}
if (note>easyThreshold) {
return MAX(0,8-easyThreshold);
return MAX(0,easyStartingPeriod-easyThreshold);
}
return NOTE_PERIODIC(note);
}
int DivPlatformSMS::snCalcFreq(int ch) {
if (parent->song.linearPitch==2 && easyNoise && chan[ch].baseFreq+chan[ch].pitch+chan[ch].pitch2>(easyThreshold<<7)) {
int ret=(0x440-(chan[ch].baseFreq+chan[ch].pitch+chan[ch].pitch2-(easyThreshold<<7)))>>7;
int ret=(((easyStartingPeriod<<7)+0x40)-(chan[ch].baseFreq+chan[ch].pitch+chan[ch].pitch2-(easyThreshold<<7)))>>7;
if (ret<0) ret=0;
return ret;
}
@ -489,6 +489,7 @@ void DivPlatformSMS::setFlags(const DivConfig& flags) {
default:
chipClock=COLOR_NTSC;
easyThreshold=92;
easyStartingPeriod=8;
break;
}
resetPhase=!flags.getBool("noPhaseReset",false);

1
src/engine/platform/sms.h
View file

@ -66,6 +66,7 @@ class DivPlatformSMS: public DivDispatch {
double toneDivider=64.0;
double noiseDivider=64.0;
int easyThreshold;
int easyStartingPeriod;
bool updateSNMode;
bool resetPhase;
bool isRealSN;