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game boy progress, part 5

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now with almost accurate arpeggios.
This commit is contained in:
tildearrow 2021-05-28 00:36:25 -05:00
parent c6e42739fc
commit 83ce4f0ebe
7 changed files with 54 additions and 10 deletions
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27
src/engine/playback.cpp
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@ -37,7 +37,14 @@ const char* cmdName[DIV_CMD_MAX]={
"ARCADE_LFO",
"STD_NOISE_FREQ",
"STD_NOISE_MODE"
"STD_NOISE_MODE",
"WAVE",
"GB_SWEEP_TIME",
"GB_SWEEP_DIR",
"ALWAYS_SET_VOLUME"
};
const char* formatNote(unsigned char note, unsigned char octave) {
@ -83,6 +90,15 @@ bool DivEngine::perSystemEffect(int ch, unsigned char effect, unsigned char effe
return false;
}
break;
case DIV_SYSTEM_GB:
switch (effect) {
case 0x10: // select waveform
dispatchCmd(DivCommand(DIV_CMD_WAVE,ch,effectVal));
break;
default:
return false;
}
break;
default:
return false;
}
@ -176,11 +192,14 @@ void DivEngine::processRow(int i, bool afterDelay) {
chan[i].arp=0;
}
chan[i].doNote=true;
if (chan[i].arp!=0) {
chan[i].arpYield=true;
}
}
// volume
if (pat->data[curRow][3]!=-1) {
if ((MIN(chan[i].volMax,chan[i].volume)>>8)!=pat->data[curRow][3]) {
if (dispatchCmd(DivCommand(DIV_ALWAYS_SET_VOLUME,i)) || (MIN(chan[i].volMax,chan[i].volume)>>8)!=pat->data[curRow][3]) {
chan[i].volume=pat->data[curRow][3]<<8;
dispatchCmd(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
}
@ -473,7 +492,7 @@ void DivEngine::nextTick() {
dispatchCmd(DivCommand(DIV_CMD_NOTE_OFF,i));
}
}
if (chan[i].arp!=0 && chan[i].portaSpeed<1) {
if (chan[i].arp!=0 && !chan[i].arpYield && chan[i].portaSpeed<1) {
if (--chan[i].arpTicks<1) {
chan[i].arpTicks=song.arpLen;
chan[i].arpStage++;
@ -490,6 +509,8 @@ void DivEngine::nextTick() {
break;
}
}
} else {
chan[i].arpYield=false;
}
}