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Game Boy: add an option to select wave ch invert

This commit is contained in:
tildearrow 2023-05-04 02:18:56 -05:00
parent bf95a358bc
commit 1e5163c738
3 changed files with 30 additions and 2 deletions
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9
src/engine/platform/gb.cpp
View File

@ -82,8 +82,12 @@ void DivPlatformGB::acquire(short** buf, size_t len) {
void DivPlatformGB::updateWave() {
rWrite(0x1a,0);
for (int i=0; i<16; i++) {
int nibble1=15-ws.output[((i<<1)+antiClickWavePos)&31];
int nibble2=15-ws.output[((1+(i<<1))+antiClickWavePos)&31];
int nibble1=ws.output[((i<<1)+antiClickWavePos)&31];
int nibble2=ws.output[((1+(i<<1))+antiClickWavePos)&31];
if (invertWave) {
nibble1^=15;
nibble2^=15;
}
rWrite(0x30+i,(nibble1<<4)|nibble2);
}
antiClickWavePos&=31;
@ -658,6 +662,7 @@ void DivPlatformGB::setFlags(const DivConfig& flags) {
model=GB_MODEL_AGB;
break;
}
invertWave=flags.getBool("invertWave",true);
enoughAlready=flags.getBool("enoughAlready",false);
}

1
src/engine/platform/gb.h
View File

@ -57,6 +57,7 @@ class DivPlatformGB: public DivDispatch {
DivDispatchOscBuffer* oscBuf[4];
bool isMuted[4];
bool antiClickEnabled;
bool invertWave;
bool enoughAlready;
unsigned char lastPan;
DivWaveSynth ws;

22
src/gui/sysConf.cpp
View File

@ -310,6 +310,7 @@ bool FurnaceGUI::drawSysConf(int chan, DivSystem type, DivConfig& flags, bool mo
case DIV_SYSTEM_GB: {
int chipType=flags.getInt("chipType",0);
bool noAntiClick=flags.getBool("noAntiClick",false);
bool invertWave=flags.getBool("invertWave",true);
bool enoughAlready=flags.getBool("enoughAlready",false);
if (ImGui::Checkbox("Disable anti-click",&noAntiClick)) {
@ -332,6 +333,26 @@ bool FurnaceGUI::drawSysConf(int chan, DivSystem type, DivConfig& flags, bool mo
chipType=3;
altered=true;
}
ImGui::Text("Wave channel orientation:");
if (chipType==3) {
if (ImGui::RadioButton("Normal",!invertWave)) {
invertWave=false;
altered=true;
}
if (ImGui::RadioButton("Inverted",invertWave)) {
invertWave=true;
altered=true;
}
} else {
if (ImGui::RadioButton("Exact data (inverted)",!invertWave)) {
invertWave=false;
altered=true;
}
if (ImGui::RadioButton("Exact output (normal)",invertWave)) {
invertWave=true;
altered=true;
}
}
if (ImGui::Checkbox("Pretty please one more compat flag when I use arpeggio and my sound length",&enoughAlready)) {
altered=true;
}
@ -340,6 +361,7 @@ bool FurnaceGUI::drawSysConf(int chan, DivSystem type, DivConfig& flags, bool mo
e->lockSave([&]() {
flags.set("chipType",chipType);
flags.set("noAntiClick",noAntiClick);
flags.set("invertWave",invertWave);
flags.set("enoughAlready",enoughAlready);
});
}