mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-07 05:15:05 +00:00
689 lines
19 KiB
C++
689 lines
19 KiB
C++
#include "genesis.h"
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#include "../engine.h"
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#include <string.h>
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#include <math.h>
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#include "genesisshared.h"
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static unsigned char konOffs[6]={
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0, 1, 2, 4, 5, 6
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};
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#define CHIP_FREQBASE 9440540
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void DivPlatformGenesis::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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static short o[2];
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static int os[2];
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for (size_t h=start; h<start+len; h++) {
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if (dacMode && dacSample!=-1) {
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dacPeriod-=6;
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if (dacPeriod<1) {
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DivSample* s=parent->song.sample[dacSample];
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if (s->rendLength>0) {
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if (!isMuted[5]) {
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if (s->depth==8) {
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immWrite(0x2a,(unsigned char)s->rendData[dacPos]+0x80);
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} else {
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immWrite(0x2a,((unsigned short)s->rendData[dacPos]+0x8000)>>8);
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}
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}
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if (++dacPos>=s->rendLength) {
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if (s->loopStart>=0 && s->loopStart<=(int)s->rendLength) {
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dacPos=s->loopStart;
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} else {
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dacSample=-1;
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}
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}
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dacPeriod+=MAX(40,dacRate);
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} else {
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dacSample=-1;
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}
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}
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}
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os[0]=0; os[1]=0;
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for (int i=0; i<6; i++) {
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if (!writes.empty() && --delay<0) {
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delay=0;
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QueuedWrite& w=writes.front();
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if (w.addrOrVal) {
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OPN2_Write(&fm,0x1+((w.addr>>8)<<1),w.val);
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//printf("write: %x = %.2x\n",w.addr,w.val);
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lastBusy=0;
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writes.pop();
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} else {
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lastBusy++;
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if (fm.write_busy==0) {
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//printf("busycounter: %d\n",lastBusy);
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OPN2_Write(&fm,0x0+((w.addr>>8)<<1),w.addr);
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w.addrOrVal=true;
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}
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}
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}
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OPN2_Clock(&fm,o); os[0]+=o[0]; os[1]+=o[1];
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//OPN2_Write(&fm,0,0);
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}
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psgClocks+=psg.rate;
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while (psgClocks>=rate) {
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psgOut=(psg.acquireOne()*3)>>3;
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psgClocks-=rate;
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}
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os[0]=(os[0]<<5)+psgOut;
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if (os[0]<-32768) os[0]=-32768;
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if (os[0]>32767) os[0]=32767;
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os[1]=(os[1]<<5)+psgOut;
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if (os[1]<-32768) os[1]=-32768;
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if (os[1]>32767) os[1]=32767;
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bufL[h]=os[0];
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bufR[h]=os[1];
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}
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}
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void DivPlatformGenesis::tick() {
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for (int i=0; i<6; i++) {
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if (i==2 && extMode) continue;
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chan[i].std.next();
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if (chan[i].std.hadVol) {
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chan[i].outVol=(chan[i].vol*MIN(127,chan[i].std.vol))/127;
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for (int j=0; j<4; j++) {
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unsigned short baseAddr=chanOffs[i]|opOffs[j];
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DivInstrumentFM::Operator& op=chan[i].state.op[j];
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if (isOutput[chan[i].state.alg][j]) {
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rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
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} else {
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rWrite(baseAddr+ADDR_TL,op.tl);
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}
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}
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}
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if (chan[i].std.hadArp) {
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if (!chan[i].inPorta) {
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if (chan[i].std.arpMode) {
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chan[i].baseFreq=NOTE_FREQUENCY(chan[i].std.arp);
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} else {
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chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note+(signed char)chan[i].std.arp);
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}
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}
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chan[i].freqChanged=true;
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} else {
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if (chan[i].std.arpMode && chan[i].std.finishedArp) {
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chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note);
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chan[i].freqChanged=true;
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}
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}
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if (chan[i].std.hadAlg) {
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chan[i].state.alg=chan[i].std.alg;
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rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
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}
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if (chan[i].std.hadFb) {
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chan[i].state.fb=chan[i].std.fb;
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rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
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}
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if (chan[i].std.hadFms) {
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chan[i].state.fms=chan[i].std.fms;
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rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
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}
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if (chan[i].std.hadAms) {
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chan[i].state.ams=chan[i].std.ams;
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rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
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}
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for (int j=0; j<4; j++) {
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unsigned short baseAddr=chanOffs[i]|opOffs[j];
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DivInstrumentFM::Operator& op=chan[i].state.op[j];
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DivMacroInt::IntOp& m=chan[i].std.op[j];
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if (m.hadAm) {
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op.am=m.am;
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rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
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}
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if (m.hadAr) {
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op.ar=m.ar;
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rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
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}
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if (m.hadDr) {
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op.dr=m.dr;
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rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
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}
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if (m.hadMult) {
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op.mult=m.mult;
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rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
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}
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if (m.hadRr) {
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op.rr=m.rr;
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rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
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}
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if (m.hadSl) {
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op.sl=m.sl;
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rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
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}
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if (m.hadTl) {
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op.tl=127-m.tl;
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if (isOutput[chan[i].state.alg][j]) {
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rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
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} else {
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rWrite(baseAddr+ADDR_TL,op.tl);
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}
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}
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if (m.hadRs) {
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op.rs=m.rs;
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rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
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}
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if (m.hadDt) {
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op.dt=m.dt;
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rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
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}
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if (m.hadD2r) {
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op.d2r=m.d2r;
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rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
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}
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if (m.hadSsg) {
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op.ssgEnv=m.ssg;
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rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
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}
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}
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if (chan[i].keyOn || chan[i].keyOff) {
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immWrite(0x28,0x00|konOffs[i]);
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chan[i].keyOff=false;
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}
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}
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for (int i=0; i<512; i++) {
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if (pendingWrites[i]!=oldWrites[i]) {
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immWrite(i,pendingWrites[i]&0xff);
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oldWrites[i]=pendingWrites[i];
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}
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}
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for (int i=0; i<6; i++) {
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if (i==2 && extMode) continue;
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if (chan[i].freqChanged) {
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chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch);
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int freqt=toFreq(chan[i].freq);
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immWrite(chanOffs[i]+ADDR_FREQH,freqt>>8);
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immWrite(chanOffs[i]+ADDR_FREQ,freqt&0xff);
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if (chan[i].furnaceDac) {
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dacRate=(1280000*1.25)/chan[i].baseFreq;
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if (dumpWrites) addWrite(0xffff0001,1280000/dacRate);
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}
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chan[i].freqChanged=false;
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}
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if (chan[i].keyOn) {
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immWrite(0x28,0xf0|konOffs[i]);
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chan[i].keyOn=false;
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}
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}
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psg.tick();
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for (DivRegWrite& i: psg.getRegisterWrites()) {
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if (dumpWrites) addWrite(i.addr,i.val);
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}
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psg.getRegisterWrites().clear();
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}
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int DivPlatformGenesis::octave(int freq) {
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if (freq>=82432) {
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return 128;
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} else if (freq>=41216) {
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return 64;
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} else if (freq>=20608) {
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return 32;
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} else if (freq>=10304) {
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return 16;
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} else if (freq>=5152) {
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return 8;
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} else if (freq>=2576) {
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return 4;
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} else if (freq>=1288) {
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return 2;
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} else {
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return 1;
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}
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return 1;
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}
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int DivPlatformGenesis::toFreq(int freq) {
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if (freq>=82432) {
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return 0x3800|((freq>>7)&0x7ff);
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} else if (freq>=41216) {
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return 0x3000|((freq>>6)&0x7ff);
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} else if (freq>=20608) {
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return 0x2800|((freq>>5)&0x7ff);
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} else if (freq>=10304) {
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return 0x2000|((freq>>4)&0x7ff);
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} else if (freq>=5152) {
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return 0x1800|((freq>>3)&0x7ff);
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} else if (freq>=2576) {
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return 0x1000|((freq>>2)&0x7ff);
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} else if (freq>=1288) {
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return 0x800|((freq>>1)&0x7ff);
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} else {
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return freq&0x7ff;
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}
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}
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void DivPlatformGenesis::muteChannel(int ch, bool mute) {
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if (ch>5) {
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psg.muteChannel(ch-6,mute);
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return;
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}
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isMuted[ch]=mute;
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rWrite(chanOffs[ch]+ADDR_LRAF,(isMuted[ch]?0:(chan[ch].pan<<6))|(chan[ch].state.fms&7)|((chan[ch].state.ams&3)<<4));
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}
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int DivPlatformGenesis::dispatch(DivCommand c) {
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if (c.chan>5) {
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c.chan-=6;
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return psg.dispatch(c);
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}
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switch (c.cmd) {
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case DIV_CMD_NOTE_ON: {
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DivInstrument* ins=parent->getIns(chan[c.chan].ins);
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if (c.chan==5) {
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if (ins->type==DIV_INS_AMIGA) {
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dacMode=1;
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rWrite(0x2b,1<<7);
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} else if (chan[c.chan].furnaceDac) {
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dacMode=0;
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rWrite(0x2b,0<<7);
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}
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}
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if (c.chan==5 && dacMode) {
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if (skipRegisterWrites) break;
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if (ins->type==DIV_INS_AMIGA) { // Furnace mode
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dacSample=ins->amiga.initSample;
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if (dacSample<0 || dacSample>=parent->song.sampleLen) {
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dacSample=-1;
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if (dumpWrites) addWrite(0xffff0002,0);
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break;
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} else {
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if (dumpWrites) addWrite(0xffff0000,dacSample);
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}
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dacPos=0;
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dacPeriod=0;
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chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
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chan[c.chan].freqChanged=true;
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chan[c.chan].furnaceDac=true;
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} else { // compatible mode
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dacSample=12*sampleBank+c.value%12;
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if (dacSample>=parent->song.sampleLen) {
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dacSample=-1;
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if (dumpWrites) addWrite(0xffff0002,0);
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break;
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} else {
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if (dumpWrites) addWrite(0xffff0000,dacSample);
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}
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dacPos=0;
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dacPeriod=0;
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dacRate=1280000/parent->song.sample[dacSample]->rate;
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if (dumpWrites) addWrite(0xffff0001,parent->song.sample[dacSample]->rate);
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chan[c.chan].furnaceDac=false;
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}
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break;
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}
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if (chan[c.chan].insChanged) {
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chan[c.chan].state=ins->fm;
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}
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chan[c.chan].std.init(ins);
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if (!chan[c.chan].std.willVol) {
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chan[c.chan].outVol=chan[c.chan].vol;
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}
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for (int i=0; i<4; i++) {
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unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
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DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
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if (isOutput[chan[c.chan].state.alg][i]) {
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if (!chan[c.chan].active || chan[c.chan].insChanged) {
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rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
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}
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} else {
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if (chan[c.chan].insChanged) {
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rWrite(baseAddr+ADDR_TL,op.tl);
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}
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}
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if (chan[c.chan].insChanged) {
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rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
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rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
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rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
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rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
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rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
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rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
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}
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}
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if (chan[c.chan].insChanged) {
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rWrite(chanOffs[c.chan]+ADDR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3));
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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));
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}
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chan[c.chan].insChanged=false;
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
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chan[c.chan].note=c.value;
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chan[c.chan].freqChanged=true;
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}
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chan[c.chan].keyOn=true;
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chan[c.chan].active=true;
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break;
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}
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case DIV_CMD_NOTE_OFF:
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if (c.chan==5) {
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dacSample=-1;
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if (dumpWrites) addWrite(0xffff0002,0);
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}
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chan[c.chan].keyOff=true;
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chan[c.chan].active=false;
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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 (!chan[c.chan].std.hasVol) {
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chan[c.chan].outVol=c.value;
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}
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for (int i=0; i<4; i++) {
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unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
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DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
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if (isOutput[chan[c.chan].state.alg][i]) {
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rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
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} else {
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rWrite(baseAddr+ADDR_TL,op.tl);
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}
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}
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break;
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}
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case DIV_CMD_GET_VOLUME: {
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return chan[c.chan].vol;
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break;
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}
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case DIV_CMD_INSTRUMENT:
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if (chan[c.chan].ins!=c.value || c.value2==1) {
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chan[c.chan].insChanged=true;
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}
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chan[c.chan].ins=c.value;
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break;
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case DIV_CMD_PANNING: {
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switch (c.value) {
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case 0x01:
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chan[c.chan].pan=1;
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break;
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case 0x10:
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chan[c.chan].pan=2;
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break;
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default:
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chan[c.chan].pan=3;
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break;
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}
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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));
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break;
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}
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case DIV_CMD_PITCH: {
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chan[c.chan].pitch=c.value;
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chan[c.chan].freqChanged=true;
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break;
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}
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case DIV_CMD_NOTE_PORTA: {
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int destFreq=NOTE_FREQUENCY(c.value2);
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int newFreq;
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bool return2=false;
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if (destFreq>chan[c.chan].baseFreq) {
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newFreq=chan[c.chan].baseFreq+c.value*octave(chan[c.chan].baseFreq);
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if (newFreq>=destFreq) {
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newFreq=destFreq;
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return2=true;
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}
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} else {
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newFreq=chan[c.chan].baseFreq-c.value*octave(chan[c.chan].baseFreq);
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if (newFreq<=destFreq) {
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newFreq=destFreq;
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return2=true;
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}
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}
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if (!chan[c.chan].portaPause) {
|
|
if (octave(chan[c.chan].baseFreq)!=octave(newFreq)) {
|
|
chan[c.chan].portaPause=true;
|
|
break;
|
|
}
|
|
}
|
|
chan[c.chan].baseFreq=newFreq;
|
|
chan[c.chan].portaPause=false;
|
|
chan[c.chan].freqChanged=true;
|
|
if (return2) {
|
|
chan[c.chan].inPorta=false;
|
|
return 2;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_SAMPLE_MODE: {
|
|
dacMode=c.value;
|
|
rWrite(0x2b,c.value<<7);
|
|
break;
|
|
}
|
|
case DIV_CMD_SAMPLE_BANK:
|
|
sampleBank=c.value;
|
|
if (sampleBank>(parent->song.sample.size()/12)) {
|
|
sampleBank=parent->song.sample.size()/12;
|
|
}
|
|
break;
|
|
case DIV_CMD_LEGATO: {
|
|
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
|
|
chan[c.chan].note=c.value;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_LFO: {
|
|
lfoValue=(c.value&7)|((c.value>>4)<<3);
|
|
rWrite(0x22,lfoValue);
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_FB: {
|
|
chan[c.chan].state.fb=c.value&7;
|
|
rWrite(chanOffs[c.chan]+ADDR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3));
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_MULT: {
|
|
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
|
|
op.mult=c.value2&15;
|
|
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_TL: {
|
|
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));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,op.tl);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_AR: {
|
|
if (c.value<0) {
|
|
for (int i=0; i<4; i++) {
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
|
|
op.ar=c.value2&31;
|
|
unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
}
|
|
} else {
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
|
|
op.ar=c.value2&31;
|
|
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
}
|
|
|
|
break;
|
|
}
|
|
case DIV_ALWAYS_SET_VOLUME:
|
|
return 0;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
return 127;
|
|
break;
|
|
case DIV_CMD_PRE_PORTA:
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_PRE_NOTE:
|
|
break;
|
|
default:
|
|
//printf("WARNING: unimplemented command %d\n",c.cmd);
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformGenesis::forceIns() {
|
|
for (int i=0; i<6; 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));
|
|
}
|
|
if (dacMode) {
|
|
rWrite(0x2b,0x80);
|
|
}
|
|
immWrite(0x22,lfoValue);
|
|
psg.forceIns();
|
|
}
|
|
|
|
void DivPlatformGenesis::toggleRegisterDump(bool enable) {
|
|
DivDispatch::toggleRegisterDump(enable);
|
|
psg.toggleRegisterDump(enable);
|
|
}
|
|
|
|
void* DivPlatformGenesis::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
void DivPlatformGenesis::reset() {
|
|
while (!writes.empty()) writes.pop();
|
|
OPN2_Reset(&fm);
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
for (int i=0; i<10; i++) {
|
|
chan[i]=DivPlatformGenesis::Channel();
|
|
chan[i].vol=0x7f;
|
|
chan[i].outVol=0x7f;
|
|
}
|
|
|
|
for (int i=0; i<512; i++) {
|
|
oldWrites[i]=-1;
|
|
pendingWrites[i]=-1;
|
|
}
|
|
|
|
lastBusy=60;
|
|
dacMode=0;
|
|
dacPeriod=0;
|
|
dacPos=0;
|
|
dacRate=0;
|
|
dacSample=-1;
|
|
sampleBank=0;
|
|
lfoValue=8;
|
|
|
|
extMode=false;
|
|
|
|
// LFO
|
|
immWrite(0x22,lfoValue);
|
|
|
|
delay=0;
|
|
|
|
// PSG
|
|
psg.reset();
|
|
psg.getRegisterWrites().clear();
|
|
psgClocks=0;
|
|
psgOut=0;
|
|
}
|
|
|
|
bool DivPlatformGenesis::isStereo() {
|
|
return true;
|
|
}
|
|
|
|
bool DivPlatformGenesis::keyOffAffectsArp(int ch) {
|
|
return (ch>5);
|
|
}
|
|
|
|
bool DivPlatformGenesis::keyOffAffectsPorta(int ch) {
|
|
return (ch>5);
|
|
}
|
|
|
|
void DivPlatformGenesis::notifyInsChange(int ins) {
|
|
for (int i=0; i<10; i++) {
|
|
if (i>5) {
|
|
psg.notifyInsChange(ins);
|
|
} else if (chan[i].ins==ins) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformGenesis::notifyInsDeletion(void* ins) {
|
|
psg.notifyInsDeletion(ins);
|
|
}
|
|
|
|
void DivPlatformGenesis::poke(unsigned int addr, unsigned short val) {
|
|
immWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformGenesis::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
|
|
}
|
|
|
|
int DivPlatformGenesis::getPortaFloor(int ch) {
|
|
return (ch>5)?12:0;
|
|
}
|
|
|
|
void DivPlatformGenesis::setFlags(unsigned int flags) {
|
|
if (flags==2) {
|
|
chipClock=8000000.0;
|
|
} else if (flags==1) {
|
|
chipClock=COLOR_PAL*12.0/7.0;
|
|
} else {
|
|
chipClock=COLOR_NTSC*15.0/7.0;
|
|
}
|
|
psg.setFlags(flags==1);
|
|
rate=chipClock/36;
|
|
}
|
|
|
|
int DivPlatformGenesis::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
for (int i=0; i<10; i++) {
|
|
isMuted[i]=false;
|
|
}
|
|
psg.init(p,4,sugRate,flags==1);
|
|
setFlags(flags);
|
|
|
|
reset();
|
|
return 10;
|
|
}
|
|
|
|
void DivPlatformGenesis::quit() {
|
|
psg.quit();
|
|
}
|
|
|
|
DivPlatformGenesis::~DivPlatformGenesis() {
|
|
}
|