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OPN: implement muting and remove panning

This commit is contained in:
tildearrow 2022-05-12 02:25:59 -05:00
parent f5ef1ad472
commit 4e2e542c7a
2 changed files with 60 additions and 65 deletions
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121
src/engine/platform/ym2203.cpp
View File

@ -51,7 +51,6 @@ const char* regCheatSheetYM2203[]={
"SSG_Control_Env", "00D",
// FM (Common)
"FM_Test", "021",
"FM_LFOFreq", "022",
"ClockA1", "024",
"ClockA2", "025",
"ClockB", "026",
@ -157,9 +156,6 @@ const char* regCheatSheetYM2203[]={
"FM1_FB_ALG", "0B0",
"FM2_FB_ALG", "0B1",
"FM3_FB_ALG", "0B2",
"FM1_Pan_LFO", "0B4",
"FM2_Pan_LFO", "0B5",
"FM3_Pan_LFO", "0B6",
NULL
};
@ -169,9 +165,6 @@ const char** DivPlatformYM2203::getRegisterSheet() {
const char* DivPlatformYM2203::getEffectName(unsigned char effect) {
switch (effect) {
case 0x10:
return "10xy: Setup LFO (x: enable; y: speed)";
break;
case 0x11:
return "11xx: Set feedback (0 to 7)";
break;
@ -313,7 +306,7 @@ void DivPlatformYM2203::acquire(short* bufL, short* bufR, size_t start, size_t l
fm->write(0x1,w.val);
regPool[w.addr&0xff]=w.val;
writes.pop();
delay=16;
delay=6;
}
}
@ -363,10 +356,14 @@ void DivPlatformYM2203::tick(bool sysTick) {
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
if (isMuted[i]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
}
@ -387,11 +384,6 @@ void DivPlatformYM2203::tick(bool sysTick) {
}
}
if (chan[i].std.panL.had) {
chan[i].pan=chan[i].std.panL.val&3;
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
}
if (chan[i].std.pitch.had) {
if (chan[i].std.pitch.mode) {
chan[i].pitch2+=chan[i].std.pitch.val;
@ -429,14 +421,6 @@ void DivPlatformYM2203::tick(bool sysTick) {
chan[i].state.fb=chan[i].std.fb.val;
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
}
if (chan[i].std.fms.had) {
chan[i].state.fms=chan[i].std.fms.val;
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
}
if (chan[i].std.ams.had) {
chan[i].state.ams=chan[i].std.ams.val;
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
}
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
@ -467,10 +451,14 @@ void DivPlatformYM2203::tick(bool sysTick) {
}
if (m.tl.had) {
op.tl=127-m.tl.val;
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
if (isMuted[i]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
if (m.rs.had) {
@ -574,13 +562,17 @@ int DivPlatformYM2203::dispatch(DivCommand c) {
for (int i=0; i<4; i++) {
unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
if (isOutput[chan[c.chan].state.alg][i]) {
if (!chan[c.chan].active || chan[c.chan].insChanged) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
}
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (chan[c.chan].insChanged) {
rWrite(baseAddr+ADDR_TL,op.tl);
if (isOutput[chan[c.chan].state.alg][i]) {
if (!chan[c.chan].active || chan[c.chan].insChanged) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
}
} else {
if (chan[c.chan].insChanged) {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
if (chan[c.chan].insChanged) {
@ -594,7 +586,6 @@ int DivPlatformYM2203::dispatch(DivCommand c) {
}
if (chan[c.chan].insChanged) {
rWrite(chanOffs[c.chan]+ADDR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3));
rWrite(chanOffs[c.chan]+ADDR_LRAF,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|(chan[c.chan].state.fms&7)|((chan[c.chan].state.ams&3)<<4));
}
chan[c.chan].insChanged=false;
@ -631,10 +622,14 @@ int DivPlatformYM2203::dispatch(DivCommand c) {
for (int i=0; i<4; i++) {
unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
if (isOutput[chan[c.chan].state.alg][i]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
if (isOutput[chan[c.chan].state.alg][i]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
break;
@ -649,15 +644,6 @@ int DivPlatformYM2203::dispatch(DivCommand c) {
}
chan[c.chan].ins=c.value;
break;
case DIV_CMD_PANNING: {
if (c.value==0 && c.value2==0) {
chan[c.chan].pan=3;
} else {
chan[c.chan].pan=(c.value2>0)|((c.value>0)<<1);
}
rWrite(chanOffs[c.chan]+ADDR_LRAF,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|(chan[c.chan].state.fms&7)|((chan[c.chan].state.ams&3)<<4));
break;
}
case DIV_CMD_PITCH: {
chan[c.chan].pitch=c.value;
chan[c.chan].freqChanged=true;
@ -736,10 +722,6 @@ int DivPlatformYM2203::dispatch(DivCommand c) {
chan[c.chan].freqChanged=true;
break;
}
case DIV_CMD_FM_LFO: {
rWrite(0x22,(c.value&7)|((c.value>>4)<<3));
break;
}
case DIV_CMD_FM_FB: {
if (c.chan>2) break;
chan[c.chan].state.fb=c.value&7;
@ -759,10 +741,14 @@ int DivPlatformYM2203::dispatch(DivCommand c) {
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
op.tl=c.value2;
if (isOutput[chan[c.chan].state.alg][c.value]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
if (isOutput[chan[c.chan].state.alg][c.value]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
break;
}
@ -944,8 +930,19 @@ void DivPlatformYM2203::muteChannel(int ch, bool mute) {
ay->muteChannel(ch-3,mute);
return;
}
// FM
rWrite(chanOffs[ch]+ADDR_LRAF,(isMuted[ch]?0:(chan[ch].pan<<6))|(chan[ch].state.fms&7)|((chan[ch].state.ams&3)<<4));
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[ch]|opOffs[j];
DivInstrumentFM::Operator& op=chan[ch].state.op[j];
if (isMuted[ch]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[ch].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[ch].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
}
void DivPlatformYM2203::forceIns() {
@ -953,10 +950,14 @@ void DivPlatformYM2203::forceIns() {
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
if (isMuted[i]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
@ -966,7 +967,6 @@ void DivPlatformYM2203::forceIns() {
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
}
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
if (chan[i].active) {
chan[i].keyOn=true;
chan[i].freqChanged=true;
@ -1039,9 +1039,6 @@ void DivPlatformYM2203::reset() {
extMode=false;
// LFO
immWrite(0x22,0x08);
ay->reset();
ay->getRegisterWrites().clear();
ay->flushWrites();

4
src/engine/platform/ym2203.h
View File

@ -45,7 +45,6 @@ class DivPlatformYM2203: public DivDispatch {
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta, furnacePCM, hardReset;
int vol, outVol;
int sample;
unsigned char pan;
DivMacroInt std;
void macroInit(DivInstrument* which) {
std.init(which);
@ -75,8 +74,7 @@ class DivPlatformYM2203: public DivDispatch {
hardReset(false),
vol(0),
outVol(15),
sample(-1),
pan(3) {}
sample(-1) {}
};
Channel chan[6];
DivDispatchOscBuffer* oscBuf[6];