µPD1771C: implement tone/noise mode
This commit is contained in:
tildearrow
parent
9e726eba83
commit
8776e1c442
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@ -26,7 +26,7 @@
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//#define rWrite(a,v) pendingWrites[a]=v;
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#define rWrite(a,v) if (!skipRegisterWrites) {packet[a]=v; writePacket=true; if (dumpWrites) {addWrite(a,v);} }
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#define CHIP_DIVIDER 64
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#define CHIP_DIVIDER 512
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const char* regCheatSheetUPD1771cTone[]={
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NULL
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@ -46,16 +46,15 @@ void DivPlatformSCVTone::acquire(short** buf, size_t len) {
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}
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scv.sound_stream_update(&buf[0][h],1);
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/*
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if (isMuted[0]) s=0;
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oscBuf[0]->data[oscBuf[0]->needle++]=s;
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buf[0][h]=s;
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buf[1][h]=s;*/
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oscBuf[0]->data[oscBuf[0]->needle++]=scv.chout[0]<<3;
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oscBuf[1]->data[oscBuf[1]->needle++]=scv.chout[1]<<3;
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oscBuf[2]->data[oscBuf[2]->needle++]=scv.chout[2]<<3;
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oscBuf[3]->data[oscBuf[3]->needle++]=scv.chout[3]<<3;
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}
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}
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void DivPlatformSCVTone::tick(bool sysTick) {
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for (int i=0; i<1; i++) {
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for (int i=0; i<4; i++) {
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chan[i].std.next();
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if (chan[i].std.vol.had) {
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chan[i].outVol=VOL_SCALE_LINEAR(chan[i].vol&31,MIN(31,chan[i].std.vol.val),31);
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@ -65,8 +64,12 @@ void DivPlatformSCVTone::tick(bool sysTick) {
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} else if (chan[i].std.arp.had) {
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if (!chan[i].inPorta) {
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int f=parent->calcArp(chan[i].note,chan[i].std.arp.val);
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if (i==3) {
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chan[i].baseFreq=f;
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} else {
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chan[i].baseFreq=NOTE_PERIODIC(f);
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}
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}
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chan[i].freqChanged=true;
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}
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if (chan[i].std.wave.had) {
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@ -88,62 +91,40 @@ void DivPlatformSCVTone::tick(bool sysTick) {
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chan[i].freqChanged=true;
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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,DIV_INS_PCE);
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if (i==0) {
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if (i==3) {
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chan[i].freq=(chan[i].baseFreq+chan[i].pitch+chan[i].pitch2+143);
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if (!parent->song.oldArpStrategy) {
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if (chan[i].fixedArp) {
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chan[i].freq=(chan[i].baseNoteOverride)+chan[i].pitch+chan[i].pitch2;
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} else {
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chan[i].freq+=chan[i].arpOff;
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}
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}
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} else {
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chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
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}
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if (chan[i].freqChanged || initWrite[i] || chan[i].keyOn) {
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if (chan[i].duty == 0) {
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rWrite(0,2);
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rWrite(1,(chan[i].wave<<5)|chan[i].pos);
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float p = ((float)chan[i].freq)/((float)(31-chan[i].pos))*31.0;
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rWrite(2,MIN(MAX((int)p,0),255));
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rWrite(3,chan[i].outVol);
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} else if (chan[i].duty == 1) {
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rWrite(0,1);
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rWrite(1,(chan[i].wave<<5));
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rWrite(2,MIN(MAX(chan[i].freq>>7,0),255));
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rWrite(3,chan[i].outVol);
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if (i==3) {
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if (chan[i].freq<0) chan[i].freq=0;
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} else {
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rWrite(0,0);
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if (chan[i].freq<1) chan[i].freq=1;
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}
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initWrite[i]=0;
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}
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if (chan[i].keyOff) {
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rWrite(0,0);
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}
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if (chan[i].keyOn) kon[i]=1;
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if (chan[i].keyOff) kon[i]=0;
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if (chan[i].freq>255) chan[i].freq=255;
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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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chan[i].freqChanged=false;
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}
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}
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if (kon[i]) {
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if (i==0) {
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if (chan[i].duty == 0) {
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rWrite(0,2);
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rWrite(1,(chan[i].wave<<5)|chan[i].pos);
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// TODO: improve
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float p = ((float)chan[i].freq)/((float)(32-chan[i].pos))*32.0;
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rWrite(2,MIN(MAX((int)p,0),255));
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rWrite(3,chan[i].outVol);
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} else if (chan[i].duty == 1) {
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rWrite(0,1);
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rWrite(1,(chan[i].wave<<5));
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rWrite(2,MIN(MAX(chan[i].freq>>7,0),255));
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rWrite(3,chan[i].outVol);
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} else {
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rWrite(0,0);
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}
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}
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} else {
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if (i == 0) {
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rWrite(0,0);
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}
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}
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}
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rWrite(1,chan[3].wave<<5);
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rWrite(2,(0xff-chan[3].freq));
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rWrite(3,(chan[3].active && !isMuted[3])?(chan[3].outVol&0x1f):0);
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rWrite(4,chan[0].freq-1);
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rWrite(5,chan[1].freq-1);
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rWrite(6,chan[2].freq-1);
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rWrite(7,(chan[0].active && !isMuted[0])?chan[0].outVol:0);
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rWrite(8,(chan[1].active && !isMuted[1])?chan[1].outVol:0);
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rWrite(9,(chan[2].active && !isMuted[2])?chan[2].outVol:0);
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// if need be, write packet
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if (writePacket) {
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@ -166,7 +147,7 @@ int DivPlatformSCVTone::dispatch(DivCommand c) {
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case DIV_CMD_NOTE_ON: {
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DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_UPD1771C);
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].baseFreq=c.chan==3?c.value:NOTE_PERIODIC(c.value);
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chan[c.chan].baseFreq=c.chan==3?(c.value):NOTE_PERIODIC(c.value);
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chan[c.chan].freqChanged=true;
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chan[c.chan].note=c.value;
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}
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@ -218,7 +199,7 @@ int DivPlatformSCVTone::dispatch(DivCommand c) {
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chan[c.chan].freqChanged=true;
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break;
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case DIV_CMD_NOTE_PORTA: {
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int destFreq=NOTE_PERIODIC(c.value2);
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int destFreq=(c.chan==3)?c.value2:(NOTE_PERIODIC(c.value2));
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bool return2=false;
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if (destFreq>chan[c.chan].baseFreq) {
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chan[c.chan].baseFreq+=c.value;
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@ -247,16 +228,24 @@ int DivPlatformSCVTone::dispatch(DivCommand c) {
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case DIV_CMD_N163_WAVE_POSITION:
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chan[c.chan].pos=c.value;
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break;
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case DIV_CMD_LEGATO:
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chan[c.chan].baseFreq=NOTE_PERIODIC(c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0)));
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case DIV_CMD_LEGATO: {
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int newNote=c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0));
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chan[c.chan].baseFreq=(c.chan==3)?newNote:(NOTE_PERIODIC(newNote));
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chan[c.chan].freqChanged=true;
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chan[c.chan].note=c.value;
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break;
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}
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case DIV_CMD_PRE_PORTA:
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if (chan[c.chan].active && c.value2) {
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if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_UPD1771C));
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}
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if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_PERIODIC(chan[c.chan].note);
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if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
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if (c.chan==3) {
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chan[c.chan].baseFreq=chan[c.chan].note;
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} else {
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chan[c.chan].baseFreq=NOTE_PERIODIC(chan[c.chan].note);
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}
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}
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chan[c.chan].inPorta=c.value;
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break;
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case DIV_CMD_GET_VOLMAX:
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@ -282,7 +271,7 @@ void DivPlatformSCVTone::muteChannel(int ch, bool mute) {
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}
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void DivPlatformSCVTone::forceIns() {
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for (int i=0; i<1; i++) {
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for (int i=0; i<4; i++) {
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chan[i].insChanged=true;
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chan[i].freqChanged=true;
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//chwrite(i,0x05,isMuted[i]?0:chan[i].pan);
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@ -312,7 +301,7 @@ int DivPlatformSCVTone::getRegisterPoolSize() {
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void DivPlatformSCVTone::reset() {
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writes.clear();
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memset(regPool,0,16);
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for (int i=0; i<1; i++) {
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for (int i=0; i<4; i++) {
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chan[i]=DivPlatformSCVTone::Channel();
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chan[i].std.setEngine(parent);
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}
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@ -322,8 +311,6 @@ void DivPlatformSCVTone::reset() {
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scv.device_reset();
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memset(tempL,0,32*sizeof(int));
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memset(tempR,0,32*sizeof(int));
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memset(kon,0,1*sizeof(unsigned char));
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memset(initWrite,1,1*sizeof(unsigned char));
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memset(packet,0,16);
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writePacket=false;
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}
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@ -337,7 +324,7 @@ bool DivPlatformSCVTone::keyOffAffectsArp(int ch) {
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}
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void DivPlatformSCVTone::notifyInsDeletion(void* ins) {
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for (int i=0; i<1; i++) {
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for (int i=0; i<4; i++) {
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chan[i].std.notifyInsDeletion((DivInstrument*)ins);
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}
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}
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@ -346,7 +333,7 @@ void DivPlatformSCVTone::setFlags(const DivConfig& flags) {
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chipClock=6000000;
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CHECK_CUSTOM_CLOCK;
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rate=chipClock/4;
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for (int i=0; i<1; i++) {
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for (int i=0; i<4; i++) {
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oscBuf[i]->rate=rate;
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}
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//upd1771c_sound_set_clock(&scv,(unsigned int)chipClock,8);
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@ -364,7 +351,7 @@ int DivPlatformSCVTone::init(DivEngine* p, int channels, int sugRate, const DivC
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parent=p;
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dumpWrites=false;
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skipRegisterWrites=false;
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for (int i=0; i<1; i++) {
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for (int i=0; i<4; i++) {
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isMuted[i]=false;
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oscBuf[i]=new DivDispatchOscBuffer;
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}
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@ -374,7 +361,7 @@ int DivPlatformSCVTone::init(DivEngine* p, int channels, int sugRate, const DivC
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}
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void DivPlatformSCVTone::quit() {
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for (int i=0; i<1; i++) {
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for (int i=0; i<4; i++) {
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delete oscBuf[i];
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}
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}
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@ -50,8 +50,6 @@ class DivPlatformSCVTone: public DivDispatch {
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int tempR[32];
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int coreQuality;
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unsigned char regPool[16];
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unsigned char kon[4];
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unsigned char initWrite[4];
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upd1771c_device scv;
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unsigned char packet[16];
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@ -46,11 +46,8 @@ void DivPlatformSCVWave::acquire(short** buf, size_t len) {
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}
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scv.sound_stream_update(&buf[0][h],1);
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/*
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if (isMuted[0]) s=0;
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oscBuf[0]->data[oscBuf[0]->needle++]=s;
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buf[0][h]=s;
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buf[1][h]=s;*/
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if (isMuted[0]) buf[0][h]=0;
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oscBuf[0]->data[oscBuf[0]->needle++]=buf[0][h];
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}
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}
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@ -92,26 +89,6 @@ void DivPlatformSCVWave::tick(bool sysTick) {
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if (i==0) {
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chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
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}
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if (chan[i].freqChanged || initWrite[i] || chan[i].keyOn) {
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if (chan[i].duty == 0) {
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rWrite(0,2);
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rWrite(1,(chan[i].wave<<5)|chan[i].pos);
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float p = ((float)chan[i].freq)/((float)(31-chan[i].pos))*31.0;
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rWrite(2,MIN(MAX((int)p,0),255));
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rWrite(3,chan[i].outVol);
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} else if (chan[i].duty == 1) {
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rWrite(0,1);
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rWrite(1,(chan[i].wave<<5));
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rWrite(2,MIN(MAX(chan[i].freq>>7,0),255));
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rWrite(3,chan[i].outVol);
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} else {
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rWrite(0,0);
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}
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initWrite[i]=0;
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}
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if (chan[i].keyOff) {
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rWrite(0,0);
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}
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if (chan[i].keyOn) kon[i]=1;
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if (chan[i].keyOff) kon[i]=0;
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if (chan[i].keyOn) chan[i].keyOn=false;
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@ -125,7 +102,7 @@ void DivPlatformSCVWave::tick(bool sysTick) {
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rWrite(0,2);
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rWrite(1,(chan[i].wave<<5)|chan[i].pos);
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// TODO: improve
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float p = ((float)chan[i].freq)/((float)(32-chan[i].pos))*32.0;
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float p = ((float)chan[i].freq)/((float)(31-chan[i].pos))*31.0;
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rWrite(2,MIN(MAX((int)p,0),255));
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rWrite(3,chan[i].outVol);
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} else if (chan[i].duty == 1) {
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@ -202,24 +202,151 @@ static const signed char WAVEFORMS[8][32]={
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#define NOISE_SIZE 255
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static const unsigned char noise_tbl[]=
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static const unsigned char noise_tbl[8][256] = {
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{
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0x1c,0x86,0x8a,0x8f,0x98,0xa1,0xad,0xbe,0xd9,0x8a,0x66,0x4d,0x40,0x33,0x2b,0x23,
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0x1e,0x8a,0x90,0x97,0xa4,0xae,0xb8,0xd6,0xec,0xe9,0x69,0x4a,0x3e,0x34,0x2d,0x27,
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0x24,0x24,0x89,0x8e,0x93,0x9c,0xa5,0xb0,0xc1,0xdd,0x40,0x36,0x30,0x29,0x27,0x24,
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0x8b,0x90,0x96,0x9e,0xa7,0xb3,0xc4,0xe1,0x25,0x21,0x8a,0x8f,0x93,0x9d,0xa5,0xb2,
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0xc2,0xdd,0xdd,0x98,0xa2,0xaf,0xbf,0xd8,0xfd,0x65,0x4a,0x3c,0x31,0x2b,0x24,0x22,
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0x1e,0x87,0x8c,0x91,0x9a,0xa3,0xaf,0xc0,0xdb,0xbe,0xd9,0x8c,0x66,0x4d,0x40,0x34,
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0x2c,0x24,0x1f,0x88,0x90,0x9a,0xa4,0xb2,0xc2,0xda,0xff,0x67,0x4d,0x3d,0x34,0x2d,
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0x26,0x24,0x20,0x89,0x8e,0x93,0x9c,0xa5,0xb1,0xc2,0xde,0xc1,0xda,0xff,0x67,0x4d,
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0x3d,0x33,0x2d,0x26,0x24,0x20,0x89,0x8e,0x93,0x9c,0xa5,0xb1,0xc2,0xdd,0xa3,0xb0,
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0xc0,0xd9,0xfe,0x66,0x4b,0x3c,0x32,0x2b,0x24,0x23,0x1e,0x88,0x8d,0x92,0x9b,0xa4,
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0xb0,0xc1,0xdc,0xad,0xbe,0xda,0x22,0x20,0x1c,0x85,0x8a,0x8f,0x98,0xa1,0xad,0xbe,
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0xda,0x20,0x1b,0x85,0x8d,0x97,0xa1,0xaf,0xbf,0xd8,0xfd,0x64,0x49,0x3a,0x30,0x2a,
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0x23,0x21,0x1d,0x86,0x8b,0x91,0x9a,0xa2,0xae,0xc0,0xdb,0x33,0x2b,0x24,0x1f,0x88,
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0x90,0x9a,0xa4,0xb2,0xc2,0xda,0xff,0x67,0x4c,0x3e,0x33,0x2d,0x25,0x24,0x1f,0x89,
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0x8e,0x93,0x9c,0xa5,0xb1,0xc2,0xde,0x85,0x8e,0x98,0xa2,0xb0,0xc0,0xd9,0xfe,0x64,
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0x4b,0x3b,0x31,0x2a,0x23,0x22,0x1e,0x88,0x8c,0x91,0x9b,0xa3,0xaf,0xc1,0xdc,0xdc
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0x84, 0x87, 0x8c, 0x93, 0x9a, 0xa4, 0xb2, 0xc8, 0x8a, 0x6c, 0x58, 0x4e, 0x43, 0x3d, 0x37, 0x33,
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0x86, 0x8d, 0x95, 0x9d, 0xa8, 0xb5, 0xc9, 0xe7, 0x6d, 0x58, 0x4b, 0x43, 0x3e, 0x38, 0x37, 0x34,
|
||||
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{
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{
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},
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{
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|
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},
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{
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||||
},
|
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{
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|
||||
},
|
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{
|
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|
||||
0x7b, 0x5a, 0x4c, 0x7a, 0x7c, 0x55, 0x7e, 0xc4, 0xc5, 0x83, 0x38, 0x4a, 0x85, 0xcd, 0xa8, 0x69,
|
||||
0x30, 0x4b, 0x7d, 0xac, 0x95, 0x88, 0x74, 0x63, 0x6e, 0xa5, 0xac, 0x73, 0x7c, 0x55, 0x7d, 0xc4,
|
||||
0xc5, 0x83, 0x37, 0x4a, 0x85, 0xcd, 0xa8, 0x68, 0x30, 0x4b, 0x7d, 0xac, 0x95, 0x88, 0x74, 0x63,
|
||||
0x6e, 0xa6, 0xac, 0x73, 0xab, 0x94, 0x87, 0x73, 0x62, 0x6d, 0xa5, 0xab, 0x72, 0x5a
|
||||
},
|
||||
{
|
||||
0xbf, 0xdc, 0xd4, 0xaa, 0x82, 0x81, 0x35, 0x34, 0x4d, 0x75, 0x95, 0xcb, 0xde, 0xc9, 0x91, 0x72,
|
||||
0x4a, 0x30, 0x6b, 0x57, 0x69, 0x7d, 0x65, 0x3f, 0x33, 0x4f, 0x69, 0x81, 0xc1, 0xde, 0xd6, 0xac,
|
||||
0x83, 0x82, 0x37, 0x36, 0x4f, 0x77, 0x96, 0xcd, 0xe0, 0xca, 0x93, 0x73, 0x4c, 0x31, 0x6d, 0x58,
|
||||
0x6a, 0x4f, 0x68, 0x80, 0xc0, 0xdd, 0xd5, 0xab, 0x82, 0x82, 0x36, 0x35, 0x4e, 0x76, 0x95, 0xcc,
|
||||
0xdf, 0xca, 0x92, 0x73, 0x4b, 0x31, 0x6c, 0x57, 0x6a, 0xe0, 0xca, 0x92, 0x73, 0x4c, 0x31, 0x6c,
|
||||
0x58, 0x6a, 0xad, 0xd5, 0xdb, 0xbc, 0x7b, 0x63, 0x3c, 0x31, 0x4e, 0x66, 0x7e, 0xbe, 0xdb, 0xd3,
|
||||
0xaa, 0x81, 0x80, 0x34, 0x33, 0x4c, 0x75, 0x94, 0xcb, 0xde, 0xc8, 0x91, 0x71, 0x4a, 0x2f, 0x6b,
|
||||
0x56, 0x68, 0x35, 0x4e, 0x76, 0x95, 0xcc, 0xdf, 0xca, 0x92, 0x72, 0x4b, 0x30, 0x6c, 0x57, 0x6a,
|
||||
0xcc, 0xdf, 0xca, 0x91, 0x72, 0x4b, 0x30, 0x6c, 0x57, 0x69, 0x69, 0x7e, 0xbe, 0xdb, 0xd3, 0xa9,
|
||||
0x81, 0x80, 0x34, 0x33, 0x4c, 0x74, 0x94, 0xcb, 0xdd, 0xc8, 0x90, 0x71, 0x4a, 0x2f, 0x6b, 0x55,
|
||||
0x68, 0x56, 0x69, 0xac, 0xd4, 0xd9, 0xbb, 0x7a, 0x62, 0x3c, 0x30, 0x4c, 0x65, 0x7d, 0xbd, 0xda,
|
||||
0xd2, 0xa8, 0x80, 0x7f, 0x34, 0x33, 0x4c, 0x74, 0x94, 0xca, 0xdd, 0xc8, 0x90, 0x71, 0x49, 0x2e,
|
||||
0x6a, 0x55, 0x67, 0xd3, 0xa9, 0x81, 0x80, 0x34, 0x33, 0x4c, 0x74, 0x94, 0xca, 0xde, 0xc8, 0x91,
|
||||
0x71, 0x4a, 0x2f, 0x6a, 0x56, 0x68, 0xbd, 0xda, 0xd2, 0xa8, 0x7f, 0x7e, 0x33, 0x32, 0x4b, 0x73,
|
||||
0x92, 0xc9, 0xdc, 0xc7, 0x8f, 0x70, 0x49, 0x2e, 0x69, 0x54, 0x67, 0x6a, 0x56, 0x68, 0x93, 0xca,
|
||||
0xdd, 0xc8, 0x90, 0x70, 0x49, 0x2e, 0x6a, 0x55, 0x68, 0x3d, 0x31, 0x4e, 0x67, 0x7f
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
|
|
@ -245,6 +372,7 @@ void upd1771c_device::device_reset()
|
|||
m_nw_tpos = 0;
|
||||
memset(m_n_value, 0x00, sizeof(m_n_value));
|
||||
memset(m_n_ppos, 0x00, sizeof(m_n_ppos));
|
||||
memset(chout,0,4*sizeof(short));
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -468,7 +596,7 @@ void upd1771c_device::sound_stream_update(short* output, int len)
|
|||
for (int sampindex = 0; sampindex < len; sampindex++)
|
||||
{
|
||||
//"wavetable-LFSR" component
|
||||
int wlfsr_val = ((int)noise_tbl[m_nw_tpos]) - 127;//data too wide
|
||||
int wlfsr_val = ((int)noise_tbl[m_nw_timbre][m_nw_tpos]) - 127;//data too wide
|
||||
|
||||
m_nw_ppos++;
|
||||
if (m_nw_ppos >= m_nw_period)
|
||||
|
|
@ -480,7 +608,7 @@ void upd1771c_device::sound_stream_update(short* output, int len)
|
|||
}
|
||||
|
||||
//mix in each of the noise's 3 pulse components
|
||||
char res[3];
|
||||
signed char res[3];
|
||||
for (int i = 0; i < 3; ++i)
|
||||
{
|
||||
res[i] = m_n_value[i] * 127;
|
||||
|
|
@ -492,11 +620,17 @@ void upd1771c_device::sound_stream_update(short* output, int len)
|
|||
}
|
||||
}
|
||||
//not quite, but close.
|
||||
chout[0]=res[0] * m_n_volume[0];
|
||||
chout[1]=res[1] * m_n_volume[1];
|
||||
chout[2]=res[2] * m_n_volume[2];
|
||||
chout[3]=wlfsr_val * m_nw_volume;
|
||||
output[sampindex]=
|
||||
((wlfsr_val * m_nw_volume) |
|
||||
(res[0] * m_n_volume[0]) |
|
||||
(res[1] * m_n_volume[1]) |
|
||||
(res[2] * m_n_volume[2])) * 8;
|
||||
((chout[3]) |
|
||||
(chout[0]) |
|
||||
(chout[1]) |
|
||||
(chout[2])) * 8;
|
||||
|
||||
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
|
|||
|
|
@ -29,6 +29,8 @@ public:
|
|||
// sound stream update overrides
|
||||
void sound_stream_update(short* output, int len);
|
||||
|
||||
short chout[4];
|
||||
|
||||
private:
|
||||
static constexpr unsigned MAX_PACKET_SIZE = 0x8000;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue