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more game boy playback fixes

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including fixing the arp+slide thing
This commit is contained in:
tildearrow 2021-05-28 02:30:09 -05:00
parent 23dc645ced
commit 09371f9205
3 changed files with 16 additions and 7 deletions
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16
src/engine/platform/gb.cpp
View file

@ -71,10 +71,12 @@ void DivPlatformGB::tick() {
if (chan[i].baseFreq>255) chan[i].baseFreq=255;
if (chan[i].baseFreq<0) chan[i].baseFreq=0;
} else {
if (chan[i].std.arpMode) {
chan[i].baseFreq=round(FREQ_BASE/pow(2.0f,((float)(chan[i].std.arp+24)/12.0f)));
} else {
chan[i].baseFreq=round(FREQ_BASE/pow(2.0f,((float)(chan[i].note+chan[i].std.arp-12)/12.0f)));
if (!chan[i].inPorta) {
if (chan[i].std.arpMode) {
chan[i].baseFreq=round(FREQ_BASE/pow(2.0f,((float)(chan[i].std.arp+24)/12.0f)));
} else {
chan[i].baseFreq=round(FREQ_BASE/pow(2.0f,((float)(chan[i].note+chan[i].std.arp-12)/12.0f)));
}
}
}
chan[i].freqChanged=true;
@ -211,7 +213,10 @@ int DivPlatformGB::dispatch(DivCommand c) {
}
}
chan[c.chan].freqChanged=true;
if (return2) return 2;
if (return2) {
chan[c.chan].inPorta=false;
return 2;
}
break;
}
case DIV_CMD_STD_NOISE_MODE:
@ -235,6 +240,7 @@ int DivPlatformGB::dispatch(DivCommand c) {
break;
case DIV_CMD_PRE_PORTA:
chan[c.chan].std.init(parent->getIns(chan[c.chan].ins));
chan[c.chan].inPorta=c.value;
break;
case DIV_CMD_GB_SWEEP_DIR:
chan[c.chan].sweep&=0xf7;

3
src/engine/platform/gb.h
View file

@ -9,7 +9,7 @@ class DivPlatformGB: public DivDispatch {
struct Channel {
int freq, baseFreq, pitch;
unsigned char ins, note, duty, sweep;
bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff;
bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff, inPorta;
signed char vol, outVol, wave;
DivMacroInt std;
Channel():
@ -26,6 +26,7 @@ class DivPlatformGB: public DivDispatch {
sweepChanged(false),
keyOn(false),
keyOff(false),
inPorta(false),
vol(15),
wave(-1) {}
};

4
src/engine/playback.cpp
View file

@ -274,7 +274,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
chan[i].portaStop=true;
chan[i].doNote=false;
chan[i].stopOnOff=true;
dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i));
dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true));
}
break;
case 0x04: // vibrato
@ -493,6 +493,8 @@ void DivEngine::nextTick() {
if (chan[i].portaSpeed>0) {
if (dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed,chan[i].portaNote))==2 && chan[i].portaStop) {
chan[i].portaSpeed=0;
chan[i].note=chan[i].portaNote;
dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note));
}
}
if (chan[i].cut>0) {