otomatalabs/furnace
8
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

implement relative pitch macro mode

Browse source
This commit is contained in:
tildearrow 2022-04-28 01:31:16 -05:00
parent 77b4e57c58
commit d211170e86
70 changed files with 469 additions and 158 deletions
Download patch file Download diff file Expand all files Collapse all files

14
src/engine/platform/opl.cpp
View file

@ -274,6 +274,12 @@ void DivPlatformOPL::tick(bool sysTick) {
}
if (chan[i].std.pitch.had) {
if (chan[i].std.pitch.mode) {
chan[i].pitch2+=chan[i].std.pitch.val;
CLAMP_VAR(chan[i].pitch2,-2048,2048);
} else {
chan[i].pitch2=chan[i].std.pitch.val;
}
chan[i].freqChanged=true;
}
@ -417,9 +423,9 @@ void DivPlatformOPL::tick(bool sysTick) {
bool updateDrums=false;
for (int i=0; i<totalChans; i++) {
if (chan[i].freqChanged) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq),chan[i].std.pitch.val);
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq),chan[i].pitch2);
if (chan[i].freq>131071) chan[i].freq=131071;
int freqt=toFreq(chan[i].freq)+chan[i].std.pitch.val;
int freqt=toFreq(chan[i].freq)+chan[i].pitch2;
chan[i].freqH=freqt>>8;
chan[i].freqL=freqt&0xff;
immWrite(chanMap[i]+ADDR_FREQ,chan[i].freqL);
@ -541,7 +547,7 @@ int DivPlatformOPL::dispatch(DivCommand c) {
chan[c.chan].state=ins->fm;
}
chan[c.chan].std.init(ins);
chan[c.chan].macroInit(ins);
if (!chan[c.chan].std.vol.will) {
chan[c.chan].outVol=chan[c.chan].vol;
}
@ -549,7 +555,7 @@ int DivPlatformOPL::dispatch(DivCommand c) {
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
chan[c.chan].fourOp=(ops==4);
if (chan[c.chan].fourOp) {
chan[c.chan+1].std.init(NULL);
chan[c.chan+1].macroInit(NULL);
}
update4OpMask=true;
for (int i=0; i<ops; i++) {