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Neo Geo: implement FM macros

This commit is contained in:
tildearrow 2022-01-27 02:32:34 -05:00
parent 5eb974456d
commit 3cf71c4ccb
1 changed files with 136 additions and 10 deletions
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146
src/engine/platform/ym2610.cpp
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@ -133,6 +133,107 @@ void DivPlatformYM2610::tick() {
// FM
for (int i=0; i<4; i++) {
if (i==1 && extMode) continue;
chan[i].std.next();
if (chan[i].std.hadVol) {
chan[i].outVol=(chan[i].vol*chan[i].std.vol)/127;
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));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
if (chan[i].std.hadArp) {
if (!chan[i].inPorta) {
if (chan[i].std.arpMode) {
chan[i].baseFreq=FM_FREQ_BASE*pow(2.0f,((float)chan[i].std.arp/12.0f));
} else {
chan[i].baseFreq=FM_FREQ_BASE*pow(2.0f,((float)(chan[i].note+(signed char)chan[i].std.arp)/12.0f));
}
}
chan[i].freqChanged=true;
} else {
if (chan[i].std.arpMode && chan[i].std.finishedArp) {
chan[i].baseFreq=FM_FREQ_BASE*pow(2.0f,((float)chan[i].note/12.0f));
chan[i].freqChanged=true;
}
}
if (chan[i].std.hadAlg) {
chan[i].state.alg=chan[i].std.alg;
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
}
if (chan[i].std.hadFb) {
chan[i].state.fb=chan[i].std.fb;
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
}
if (chan[i].std.hadFms) {
chan[i].state.fms=chan[i].std.fms;
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.hadAms) {
chan[i].state.ams=chan[i].std.ams;
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];
DivMacroInt::IntOp& m=chan[i].std.op[j];
if (m.hadAm) {
op.am=m.am;
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
}
if (m.hadAr) {
op.ar=m.ar;
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
}
if (m.hadDr) {
op.dr=m.dr;
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
}
if (m.hadMult) {
op.mult=m.mult;
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
}
if (m.hadRr) {
op.rr=m.rr;
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
}
if (m.hadSl) {
op.sl=m.sl;
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
}
if (m.hadTl) {
op.tl=127-m.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.hadRs) {
op.rs=m.rs;
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
}
if (m.hadDt) {
op.dt=m.dt;
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
}
if (m.hadD2r) {
op.d2r=m.d2r;
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
}
if (m.hadSsg) {
op.ssgEnv=m.ssg;
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
}
}
if (chan[i].keyOn || chan[i].keyOff) {
immWrite(0x28,0x00|konOffs[i]);
chan[i].keyOff=false;
@ -227,6 +328,12 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
break;
}
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
chan[c.chan].std.init(ins);
if (c.chan<4) {
if (!chan[c.chan].std.willVol) {
chan[c.chan].outVol=chan[c.chan].vol;
}
}
if (c.chan>3) { // PSG
if (c.value!=DIV_NOTE_NULL) {
@ -236,7 +343,6 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
}
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
chan[c.chan].std.init(ins);
if (isMuted[c.chan]) {
rWrite(0x04+c.chan,0);
} else {
@ -254,7 +360,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
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].vol&0x7f))/127));
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
}
} else {
if (chan[c.chan].insChanged) {
@ -279,6 +385,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].baseFreq=FM_FREQ_BASE*pow(2.0f,((float)c.value/12.0f));
chan[c.chan].freqChanged=true;
chan[c.chan].note=c.value;
}
chan[c.chan].keyOn=true;
chan[c.chan].active=true;
@ -295,14 +402,14 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
break;
case DIV_CMD_VOLUME: {
chan[c.chan].vol=c.value;
if (!chan[c.chan].std.hasVol) {
chan[c.chan].outVol=c.value;
}
if (c.chan>6) { // ADPCM
immWrite(0x108+(c.chan-7),isMuted[c.chan]?0:((chan[c.chan].pan<<6)|chan[c.chan].vol));
break;
}
if (c.chan>3) { // PSG
if (!chan[c.chan].std.hasVol) {
chan[c.chan].outVol=c.value;
}
if (isMuted[c.chan]) {
rWrite(0x04+c.chan,0);
} else {
@ -314,7 +421,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
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].vol&0x7f))/127));
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
@ -443,7 +550,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
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].vol&0x7f))/127));
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
@ -464,7 +571,6 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
}
break;
}
case DIV_CMD_STD_NOISE_MODE:
@ -531,8 +637,8 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
case DIV_CMD_PRE_PORTA:
if (c.chan>3) {
chan[c.chan].std.init(parent->getIns(chan[c.chan].ins));
chan[c.chan].inPorta=c.value;
}
chan[c.chan].inPorta=c.value;
break;
case DIV_CMD_PRE_NOTE:
break;
@ -562,7 +668,26 @@ void DivPlatformYM2610::muteChannel(int ch, bool mute) {
}
void DivPlatformYM2610::forceIns() {
for (int i=0; i<13; i++) {
for (int i=0; i<4; i++) {
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));
} 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));
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
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));
}
for (int i=4; i<13; i++) {
chan[i].insChanged=true;
}
immWrite(0x0b,ayEnvPeriod);
@ -585,6 +710,7 @@ void DivPlatformYM2610::reset() {
}
for (int i=0; i<4; i++) {
chan[i].vol=0x7f;
chan[i].outVol=0x7f;
}
for (int i=4; i<7; i++) {
chan[i].vol=0x0f;