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OPLL: 97% 

proper drums mode kinda works
This commit is contained in:
tildearrow 2022-03-01 14:16:40 -05:00
parent 6dfa208a36
commit 7dae9058d7
1 changed files with 46 additions and 15 deletions
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61
src/engine/platform/opll.cpp
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@ -79,6 +79,10 @@ const unsigned char cycleMapOPLL[18]={
8, 7, 6, 7, 8, 7, 8, 6, 0, 1, 2, 7, 8, 9, 3, 4, 5, 9
};
const unsigned char drumSlot[11]={
0, 0, 0, 0, 0, 0, 6, 7, 7, 8, 8
};
void DivPlatformOPLL::acquire_nuked(short* bufL, short* bufR, size_t start, size_t len) {
static int o[2];
static int os;
@ -124,12 +128,12 @@ void DivPlatformOPLL::acquire(short* bufL, short* bufR, size_t start, size_t len
}
void DivPlatformOPLL::tick() {
for (int i=0; i<9; i++) {
for (int i=0; i<11; i++) {
chan[i].std.next();
if (chan[i].std.hadVol) {
chan[i].outVol=(chan[i].vol*MIN(15,chan[i].std.vol))/15;
rWrite(0x30+i,(15-(chan[i].outVol*(15-chan[i].state.op[1].tl))/15)|(chan[i].state.opllPreset<<4));
rWrite(0x30+i,((15-(chan[i].outVol*(15-chan[i].state.op[1].tl))/15)&15)|(chan[i].state.opllPreset<<4));
}
if (chan[i].std.hadArp) {
@ -197,7 +201,7 @@ void DivPlatformOPLL::tick() {
if (m.hadTl) {
op.tl=((j==1)?15:63)-m.tl;
if (j==1) {
rWrite(0x30+i,(15-(chan[i].outVol*(15-chan[i].state.op[1].tl))/15)|(chan[i].state.opllPreset<<4));
rWrite(0x30+i,((15-(chan[i].outVol*(15-chan[i].state.op[1].tl))/15)&15)|(chan[i].state.opllPreset<<4));
} else {
rWrite(0x02,(chan[i].state.op[1].ksl<<6)|(op.tl&63));
}
@ -227,7 +231,10 @@ void DivPlatformOPLL::tick() {
}
if (chan[i].keyOn || chan[i].keyOff) {
if (i>=6 && drums) {
if (i>=6 && properDrums) {
drumState&=~(0x10>>(i-6));
immWrite(0x0e,0x20|drumState);
} else if (i>=6 && drums) {
drumState&=~(0x10>>(chan[i].note%12));
immWrite(0x0e,0x20|drumState);
} else {
@ -245,18 +252,25 @@ void DivPlatformOPLL::tick() {
}
}
for (int i=0; i<9; i++) {
for (int i=0; i<11; i++) {
if (chan[i].freqChanged) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq));
if (chan[i].freq>262143) chan[i].freq=262143;
int freqt=toFreq(chan[i].freq);
chan[i].freqH=freqt>>8;
chan[i].freqL=freqt&0xff;
if (i<6 || !drums) {
if (i>=6 && properDrums) {
immWrite(0x10+drumSlot[i],freqt&0xff);
immWrite(0x20+drumSlot[i],freqt>>8);
} else if (i<6 || !drums) {
immWrite(0x10+i,freqt&0xff);
}
}
if (chan[i].keyOn && i>=6 && drums) {
if (chan[i].keyOn && i>=6 && properDrums) {
drumState|=(0x10>>(i-6));
immWrite(0x0e,0x20|drumState);
chan[i].keyOn=false;
} else if (chan[i].keyOn && i>=6 && drums) {
//printf("%d\n",chan[i].note%12);
drumState|=(0x10>>(chan[i].note%12));
immWrite(0x0e,0x20|drumState);
@ -333,6 +347,7 @@ void DivPlatformOPLL::muteChannel(int ch, bool mute) {
}
int DivPlatformOPLL::dispatch(DivCommand c) {
if (c.chan>=9 && !properDrums) return 0;
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
@ -344,6 +359,18 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
if (!chan[c.chan].std.willVol) {
chan[c.chan].outVol=chan[c.chan].vol;
}
if (c.chan>=6 && properDrums) { // drums mode
chan[c.chan].insChanged=false;
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
chan[c.chan].note=c.value;
chan[c.chan].freqChanged=true;
}
chan[c.chan].keyOn=true;
chan[c.chan].active=true;
break;
}
if (chan[c.chan].insChanged) {
// update custom preset
@ -379,7 +406,7 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
drums=false;
immWrite(0x0e,0);
}
rWrite(0x30+c.chan,(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15)|(chan[c.chan].state.opllPreset<<4));
rWrite(0x30+c.chan,((15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15)&15)|(chan[c.chan].state.opllPreset<<4));
}
}
@ -437,7 +464,7 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
chan[c.chan].outVol=c.value;
}
if (c.chan<6 || !drums) {
rWrite(0x30+c.chan,(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15)|(chan[c.chan].state.opllPreset<<4));
rWrite(0x30+c.chan,((15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15)&15)|(chan[c.chan].state.opllPreset<<4));
}
break;
}
@ -510,7 +537,7 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
} else {
DivInstrumentFM::Operator& car=chan[c.chan].state.op[1];
car.mult=c.value2&15;
rWrite(0x30+c.chan,(15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15)|(chan[c.chan].state.opllPreset<<4));
rWrite(0x01,(car.am<<7)|(car.vib<<6)|((car.ssgEnv&8)<<2)|(car.ksr<<4)|(car.mult));
}
break;
}
@ -523,7 +550,7 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
} else {
DivInstrumentFM::Operator& car=chan[c.chan].state.op[1];
car.tl=c.value2&15;
rWrite(0x01,(car.am<<7)|(car.vib<<6)|((car.ssgEnv&8)<<2)|(car.ksr<<4)|(car.mult));
rWrite(0x30+c.chan,((15-(chan[c.chan].outVol*(15-chan[c.chan].state.op[1].tl))/15)&15)|(chan[c.chan].state.opllPreset<<4));
}
break;
}
@ -577,7 +604,7 @@ void DivPlatformOPLL::forceIns() {
rWrite(0x06,(mod.sl<<4)|(mod.rr));
rWrite(0x07,(car.sl<<4)|(car.rr));
}
rWrite(0x30+i,(15-(chan[i].outVol*(15-chan[i].state.op[1].tl))/15)|(chan[i].state.opllPreset<<4));
rWrite(0x30+i,((15-(chan[i].outVol*(15-chan[i].state.op[1].tl))/15)&15)|(chan[i].state.opllPreset<<4));
if (chan[i].active) {
chan[i].keyOn=true;
chan[i].freqChanged=true;
@ -633,7 +660,7 @@ void DivPlatformOPLL::reset() {
if (dumpWrites) {
addWrite(0xffffffff,0);
}
for (int i=0; i<9; i++) {
for (int i=0; i<11; i++) {
chan[i]=DivPlatformOPLL::Channel();
chan[i].vol=15;
chan[i].outVol=15;
@ -655,6 +682,10 @@ void DivPlatformOPLL::reset() {
drumVol[4]=0;
delay=0;
if (properDrums) {
immWrite(0x0e,0x20);
}
}
bool DivPlatformOPLL::keyOffAffectsArp(int ch) {
@ -666,7 +697,7 @@ bool DivPlatformOPLL::keyOffAffectsPorta(int ch) {
}
void DivPlatformOPLL::notifyInsChange(int ins) {
for (int i=0; i<9; i++) {
for (int i=0; i<11; i++) {
if (chan[i].ins==ins) {
chan[i].insChanged=true;
}
@ -709,7 +740,7 @@ int DivPlatformOPLL::init(DivEngine* p, int channels, int sugRate, unsigned int
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
for (int i=0; i<9; i++) {
for (int i=0; i<11; i++) {
isMuted[i]=false;
}
setFlags(flags);