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OPLL: 40%

This commit is contained in:
tildearrow 2022-02-25 17:55:33 -05:00
parent f403621d6e
commit 60688d8ddb
1 changed files with 11 additions and 6 deletions
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17
src/engine/platform/opll.cpp
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@ -77,29 +77,34 @@ const char* DivPlatformOPLL::getEffectName(unsigned char effect) {
void DivPlatformOPLL::acquire_nuked(short* bufL, short* bufR, size_t start, size_t len) {
static int o[2];
static int os;
for (size_t h=start; h<start+len; h++) {
if (!writes.empty() && --delay<0) {
// 84 is safe value
delay=18;
QueuedWrite& w=writes.front();
if (w.addrOrVal) {
OPLL_Write(&fm,1,w.val);
printf("write: %x = %.2x\n",w.addr,w.val);
regPool[w.addr&0xff]=w.val;
writes.pop();
delay=84;
} else {
//printf("busycounter: %d\n",lastBusy);
//w.addr=rand()&0x3f;
OPLL_Write(&fm,0,w.addr);
w.addrOrVal=true;
delay=12;
}
}
OPLL_Clock(&fm,o);
//if (o[0]<-32768) o[0]=-32768;
//if (o[1]>32767) o[1]=32767;
os=(o[0]+o[1])<<7;
if (os<-32768) os=-32768;
if (os>32767) os=32767;
//printf("%d\n",o[0]);
bufL[h]=(o[0]+o[1])<<13;
bufL[h]=os;
}
}
@ -262,7 +267,7 @@ void DivPlatformOPLL::tick() {
}
if (chan[i].keyOn) {
//immWrite(0x28,0xf0|konOffs[i]);
immWrite(0x20+i,(chan[i].freqH)|(chan[i].active<<4)|0x20);
immWrite(0x20+i,(chan[i].freqH)|(chan[i].active<<4));
chan[i].keyOn=false;
}
}
@ -373,7 +378,7 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
}
*/
// for now
rWrite(0x30+c.chan,0xf|(ins->fm.opllPreset<<4));
rWrite(0x30+c.chan,0x0|(ins->fm.opllPreset<<4));
chan[c.chan].insChanged=false;
if (c.value!=DIV_NOTE_NULL) {