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SNES: add global volume control effects

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This commit is contained in:
tildearrow 2023-05-04 16:49:47 -05:00
parent 1e5163c738
commit b037b07c30
6 changed files with 32 additions and 0 deletions
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18
src/engine/platform/snes.cpp
View file

@ -300,6 +300,11 @@ void DivPlatformSNES::tick(bool sysTick) {
rWrite(0x4d,echoBits);
writeEcho=false;
}
if (writeDryVol) {
rWrite(0x0c,dryVolL);
rWrite(0x1c,dryVolR);
writeDryVol=false;
}
for (int i=0; i<8; i++) {
if (chan[i].shallWriteEnv) {
writeEnv(i);
@ -563,6 +568,14 @@ int DivPlatformSNES::dispatch(DivCommand c) {
rWrite(0x3c,echoVolR);
}
break;
case DIV_CMD_SNES_GLOBAL_VOL_LEFT:
dryVolL=c.value;
writeDryVol=true;
break;
case DIV_CMD_SNES_GLOBAL_VOL_RIGHT:
dryVolR=c.value;
writeDryVol=true;
break;
case DIV_CMD_GET_VOLMAX:
return 127;
break;
@ -673,6 +686,7 @@ void DivPlatformSNES::forceIns() {
writeNoise=true;
writePitchMod=true;
writeEcho=true;
writeDryVol=true;
initEcho();
}
@ -761,6 +775,10 @@ void DivPlatformSNES::reset() {
writeNoise=false;
writePitchMod=false;
writeEcho=true;
writeDryVol=false;
dryVolL=127;
dryVolR=127;
echoDelay=initEchoDelay;
echoFeedback=initEchoFeedback;

2
src/engine/platform/snes.h
View file

@ -59,6 +59,7 @@ class DivPlatformSNES: public DivDispatch {
unsigned char noiseFreq;
signed char delay;
signed char echoVolL, echoVolR, echoFeedback;
signed char dryVolL, dryVolR;
signed char echoFIR[8];
unsigned char echoDelay;
size_t sampleTableBase;
@ -66,6 +67,7 @@ class DivPlatformSNES: public DivDispatch {
bool writeNoise;
bool writePitchMod;
bool writeEcho;
bool writeDryVol;
bool echoOn;
bool initEchoOn;