FINALLY SOUND
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tildearrow
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d74fa698af
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9e72d4580f
3 changed files with 81 additions and 139 deletions
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@ -3,80 +3,50 @@
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#include <math.h>
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//#define rWrite(a,v) pendingWrites[a]=v;
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#define rWrite(a,v) pce->Write(cycles,a,v);
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#define rWrite(a,v) writes.emplace(a,v);
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#define chWrite(c,a,v) \
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if (curChan!=c) { \
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curChan=c; \
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rWrite(0,curChan); \
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} \
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rWrite(a,v);
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#define FREQ_BASE 8015.85f
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#define FREQ_BASE 1712.0f
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void DivPlatformPCE::acquire(int& l, int& r) {
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pce->Update(++cycles);
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if (!writes.empty() && --delay<0) {
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QueuedWrite w=writes.front();
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pce->Write(cycles,w.addr,w.val);
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writes.pop();
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delay=2;
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}
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tempL=0; tempR=0;
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pce->Update(2);
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pce->ResetTS(0);
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//printf("tempL: %d tempR: %d\n",tempL,tempR);
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l=tempL;
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r=tempR;
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}
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void DivPlatformPCE::updateWave() {
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void DivPlatformPCE::updateWave(int ch) {
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DivWavetable* wt=parent->getWave(chan[2].wave);
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rWrite(0x1a,0);
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for (int i=0; i<16; i++) {
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unsigned char next=((wt->data[i*2]&15)<<4)|(wt->data[1+i*2]&15);
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rWrite(0x30+i,next);
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chWrite(ch,0x04,0x1f);
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chWrite(ch,0x04,0x5f);
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for (int i=0; i<32; i++) {
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chWrite(ch,0x06,wt->data[i]&31);
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}
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}
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static unsigned char gbVolMap[16]={
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0x00, 0x00, 0x00, 0x00,
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0x60, 0x60, 0x60, 0x60,
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0x40, 0x40, 0x40, 0x40,
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0x20, 0x20, 0x20, 0x20
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};
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static unsigned char noiseTable[256]={
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0,
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0xf7, 0xf6, 0xf5, 0xf4,
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0xe7, 0xe6, 0xe5, 0xe4,
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0xd7, 0xd6, 0xd5, 0xd4,
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0xc7, 0xc6, 0xc5, 0xc4,
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0xb7, 0xb6, 0xb5, 0xb4,
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0xa7, 0xa6, 0xa5, 0xa4,
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0x97, 0x96, 0x95, 0x94,
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0x87, 0x86, 0x85, 0x84,
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0x77, 0x76, 0x75, 0x74,
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0x67, 0x66, 0x65, 0x64,
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0x57, 0x56, 0x55, 0x54,
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0x47, 0x46, 0x45, 0x44,
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0x37, 0x36, 0x35, 0x34,
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0x27, 0x26, 0x25, 0x24,
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0x17, 0x16, 0x15, 0x14,
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0x07, 0x06, 0x05, 0x04,
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0x03, 0x02, 0x01, 0x00,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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void DivPlatformPCE::tick() {
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for (int i=0; i<4; i++) {
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for (int i=0; i<6; i++) {
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chan[i].std.next();
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if (chan[i].std.hadArp) {
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if (i==3) { // noise
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if (!chan[i].inPorta) {
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if (chan[i].std.arpMode) {
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chan[i].baseFreq=chan[i].std.arp+24;
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chan[i].baseFreq=round(FREQ_BASE/pow(2.0f,((float)(chan[i].std.arp+24)/12.0f)));
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} else {
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chan[i].baseFreq=chan[i].note+chan[i].std.arp-12;
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}
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if (chan[i].baseFreq>255) chan[i].baseFreq=255;
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if (chan[i].baseFreq<0) chan[i].baseFreq=0;
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} else {
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if (!chan[i].inPorta) {
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if (chan[i].std.arpMode) {
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chan[i].baseFreq=round(FREQ_BASE/pow(2.0f,((float)(chan[i].std.arp+24)/12.0f)));
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} else {
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chan[i].baseFreq=round(FREQ_BASE/pow(2.0f,((float)(chan[i].note+chan[i].std.arp-12)/12.0f)));
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}
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chan[i].baseFreq=round(FREQ_BASE/pow(2.0f,((float)(chan[i].note+chan[i].std.arp-12)/12.0f)));
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}
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}
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chan[i].freqChanged=true;
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@ -88,61 +58,32 @@ void DivPlatformPCE::tick() {
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}
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if (chan[i].std.hadDuty) {
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chan[i].duty=chan[i].std.duty;
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DivInstrument* ins=parent->getIns(chan[i].ins);
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if (i!=2) {
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rWrite(16+i*5+1,((chan[i].duty&3)<<6)|(63-(ins->gb.soundLen&63)));
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}
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//DivInstrument* ins=parent->getIns(chan[i].ins);
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}
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if (chan[i].std.hadWave) {
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if (chan[i].wave!=chan[i].std.wave) {
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chan[i].wave=chan[i].std.wave;
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if (i==2) {
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updateWave();
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if (!chan[i].keyOff) chan[i].keyOn=true;
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}
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}
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}
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if (chan[i].sweepChanged) {
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chan[i].sweepChanged=false;
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if (i==0) {
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rWrite(16+i*5,chan[i].sweep);
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updateWave(i);
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if (!chan[i].keyOff) chan[i].keyOn=true;
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}
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}
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if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
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DivInstrument* ins=parent->getIns(chan[i].ins);
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if (i==3) { // noise
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chan[i].freq=noiseTable[chan[i].baseFreq];
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} else {
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chan[i].freq=(chan[i].baseFreq*(ONE_SEMITONE-chan[i].pitch))/ONE_SEMITONE;
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if (chan[i].freq>2047) chan[i].freq=2047;
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}
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//DivInstrument* ins=parent->getIns(chan[i].ins);
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chan[i].freq=(chan[i].baseFreq*(ONE_SEMITONE-chan[i].pitch))/ONE_SEMITONE;
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if (chan[i].freq>4095) chan[i].freq=4095;
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if (chan[i].note>0x5d) chan[i].freq=0x01;
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chWrite(i,0x02,chan[i].freq&0xff);
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chWrite(i,0x03,chan[i].freq>>8);
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if (chan[i].keyOn) {
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if (i==2) { // wave
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if (chan[i].wave<0) {
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chan[i].wave=0;
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updateWave();
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}
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rWrite(16+i*5,0x80);
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rWrite(16+i*5+2,gbVolMap[chan[i].vol]);
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} else {
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rWrite(16+i*5+1,((chan[i].duty&3)<<6)|(63-(ins->gb.soundLen&63)));
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rWrite(16+i*5+2,((chan[i].vol<<4))|(ins->gb.envLen&7)|((ins->gb.envDir&1)<<3));
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if (chan[i].wave<0) {
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chan[i].wave=0;
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updateWave(i);
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}
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//rWrite(16+i*5,0x80);
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chWrite(i,0x04,0x80|chan[i].vol);
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}
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if (chan[i].keyOff) {
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if (i==2) {
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rWrite(16+i*5+2,0);
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} else {
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rWrite(16+i*5+2,8);
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}
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}
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if (i==3) { // noise
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rWrite(16+i*5+3,(chan[i].freq&0xff)|(chan[i].duty?8:0));
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rWrite(16+i*5+4,((chan[i].keyOn||chan[i].keyOff)?0x80:0x00)|((ins->gb.soundLen<64)<<6));
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} else {
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rWrite(16+i*5+3,(2048-chan[i].freq)&0xff);
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rWrite(16+i*5+4,(((2048-chan[i].freq)>>8)&7)|((chan[i].keyOn||chan[i].keyOff)?0x80:0x00)|((ins->gb.soundLen<63)<<6));
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chWrite(i,0x04,0);
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}
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if (chan[i].keyOn) chan[i].keyOn=false;
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if (chan[i].keyOff) chan[i].keyOff=false;
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@ -154,11 +95,7 @@ void DivPlatformPCE::tick() {
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int DivPlatformPCE::dispatch(DivCommand c) {
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switch (c.cmd) {
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case DIV_CMD_NOTE_ON:
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if (c.chan==3) { // noise
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chan[c.chan].baseFreq=c.value;
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} else {
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chan[c.chan].baseFreq=round(FREQ_BASE/pow(2.0f,((float)c.value/12.0f)));
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}
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chan[c.chan].baseFreq=round(FREQ_BASE/pow(2.0f,((float)c.value/12.0f)));
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chan[c.chan].freqChanged=true;
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chan[c.chan].note=c.value;
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chan[c.chan].active=true;
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@ -173,16 +110,11 @@ int DivPlatformPCE::dispatch(DivCommand c) {
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case DIV_CMD_INSTRUMENT:
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if (chan[c.chan].ins!=c.value) {
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chan[c.chan].ins=c.value;
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if (c.chan!=2) {
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chan[c.chan].vol=parent->getIns(chan[c.chan].ins)->gb.envVol;
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}
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}
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break;
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case DIV_CMD_VOLUME:
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chan[c.chan].vol=c.value;
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if (c.chan==2) {
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rWrite(16+c.chan*5+2,gbVolMap[chan[c.chan].vol]);
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}
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//rWrite(16+c.chan*5+2,gbVolMap[chan[c.chan].vol]);
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break;
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case DIV_CMD_GET_VOLUME:
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return chan[c.chan].vol;
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@ -194,7 +126,7 @@ int DivPlatformPCE::dispatch(DivCommand c) {
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case DIV_CMD_WAVE:
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if (c.chan!=2) break;
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chan[c.chan].wave=c.value;
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updateWave();
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updateWave(c.chan);
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chan[c.chan].keyOn=true;
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break;
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case DIV_CMD_NOTE_PORTA: {
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@ -224,18 +156,17 @@ int DivPlatformPCE::dispatch(DivCommand c) {
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chan[c.chan].duty=c.value;
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if (c.chan!=2) {
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chan[c.chan].freqChanged=true;
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rWrite(16+c.chan*5+1,((chan[c.chan].duty&3)<<6)|(63-(parent->getIns(chan[c.chan].ins)->gb.soundLen&63)));
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// TODO
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}
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break;
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case DIV_CMD_PANNING: {
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lastPan&=~(0x11<<c.chan);
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if (c.value==0) c.value=0x11;
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lastPan|=c.value<<c.chan;
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rWrite(0x25,lastPan);
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//rWrite(0x25,lastPan);
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break;
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}
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case DIV_CMD_LEGATO:
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if (c.chan==3) break;
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chan[c.chan].baseFreq=round(FREQ_BASE/pow(2.0f,((float)c.value/12.0f)));
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chan[c.chan].freqChanged=true;
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chan[c.chan].note=c.value;
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@ -244,20 +175,8 @@ int DivPlatformPCE::dispatch(DivCommand c) {
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chan[c.chan].std.init(parent->getIns(chan[c.chan].ins));
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chan[c.chan].inPorta=c.value;
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break;
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case DIV_CMD_GB_SWEEP_DIR:
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chan[c.chan].sweep&=0xf7;
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if (c.value&1) {
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chan[c.chan].sweep|=8;
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}
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chan[c.chan].sweepChanged=true;
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break;
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case DIV_CMD_GB_SWEEP_TIME:
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chan[c.chan].sweep&=8;
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chan[c.chan].sweep|=c.value&0x77;
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chan[c.chan].sweepChanged=true;
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break;
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case DIV_CMD_GET_VOLMAX:
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return 15;
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return 31;
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break;
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case DIV_ALWAYS_SET_VOLUME:
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return 1;
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@ -276,5 +195,14 @@ int DivPlatformPCE::init(DivEngine* p, int channels, int sugRate) {
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tempL=0;
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tempR=0;
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cycles=0;
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curChan=-1;
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// set global volume
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rWrite(0,0);
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rWrite(0x01,0xff);
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// set per-channel initial panning
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for (int i=0; i<6; i++) {
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chWrite(i,0x05,chan[i].pan);
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}
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delay=500;
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return 6;
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}
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