more optimization
as of now non-stereo sound chips are only processed once
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6efcfc2e8a
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d6fb6b0bb3
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@ -85,10 +85,12 @@ class DivDispatch {
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* the engine shall resample to the output rate.
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*/
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int rate;
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virtual void acquire(short** buf, size_t start, size_t len);
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virtual void acquire(short* bufL, short* bufR, size_t start, size_t len);
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virtual int dispatch(DivCommand c);
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virtual void tick();
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virtual bool isStereo();
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/**
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* initialize this DivDispatch.
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* @param parent the parent DivEngine.
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@ -1,6 +1,6 @@
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#include "../dispatch.h"
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void DivDispatch::acquire(short** buf, size_t start, size_t len) {
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void DivDispatch::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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}
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void DivDispatch::tick() {
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@ -10,6 +10,10 @@ int DivDispatch::dispatch(DivCommand c) {
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return 1;
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}
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bool DivDispatch::isStereo() {
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return false;
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}
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int DivDispatch::init(DivEngine* p, int channels, int sugRate) {
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return 0;
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}
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@ -4,11 +4,10 @@
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#define FREQ_BASE 277.0f
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void DivPlatformC64::acquire(short** buf, size_t start, size_t len) {
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void DivPlatformC64::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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for (size_t i=start; i<start+len; i++) {
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sid.clock();
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buf[0][i]=sid.output();
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buf[1][i]=buf[0][i];
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bufL[i]=sid.output();
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}
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}
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@ -39,7 +39,7 @@ class DivPlatformC64: public DivDispatch {
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void updateWave();
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public:
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void acquire(short** buf, size_t start, size_t len);
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void tick();
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int init(DivEngine* parent, int channels, int sugRate);
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@ -2,16 +2,15 @@
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#include <stdio.h>
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#include <math.h>
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void DivPlatformDummy::acquire(short** buf, size_t start, size_t len) {
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void DivPlatformDummy::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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for (size_t i=start; i<start+len; i++) {
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buf[0][i]=0;
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bufL[i]=0;
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for (unsigned char j=0; j<chans; j++) {
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if (chan[j].active) {
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buf[0][i]+=((chan[j].pos>=0x8000)?chan[j].vol:-chan[j].vol)*chan[j].amp;
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bufL[i]+=((chan[j].pos>=0x8000)?chan[j].vol:-chan[j].vol)*chan[j].amp;
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chan[j].pos+=chan[j].freq;
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}
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}
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buf[1][i]=buf[0][i];
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}
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}
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@ -15,7 +15,7 @@ class DivPlatformDummy: public DivDispatch {
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Channel chan[17];
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unsigned char chans;
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public:
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void acquire(short** buf, size_t start, size_t len);
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void tick();
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int init(DivEngine* parent, int channels, int sugRate);
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@ -7,11 +7,11 @@
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#define FREQ_BASE 8015.85f
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void DivPlatformGB::acquire(short** buf, size_t start, size_t len) {
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void DivPlatformGB::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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for (int i=start; i<start+len; i++) {
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GB_advance_cycles(gb,16);
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buf[0][i]=gb->apu_output.final_sample.left<<2;
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buf[1][i]=gb->apu_output.final_sample.right<<2;
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bufL[i]=gb->apu_output.final_sample.left<<2;
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bufR[i]=gb->apu_output.final_sample.right<<2;
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}
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}
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@ -270,6 +270,10 @@ int DivPlatformGB::dispatch(DivCommand c) {
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return 1;
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}
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bool DivPlatformGB::isStereo() {
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return true;
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}
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int DivPlatformGB::init(DivEngine* p, int channels, int sugRate) {
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parent=p;
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rate=262144;
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@ -36,9 +36,10 @@ class DivPlatformGB: public DivDispatch {
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GB_gameboy_t* gb;
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void updateWave();
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public:
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void acquire(short** buf, size_t start, size_t len);
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void tick();
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bool isStereo();
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int init(DivEngine* parent, int channels, int sugRate);
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};
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@ -12,7 +12,7 @@ static unsigned char konOffs[6]={
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0, 1, 2, 4, 5, 6
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};
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void DivPlatformGenesis::acquire(short** buf, size_t start, size_t len) {
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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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@ -63,8 +63,8 @@ void DivPlatformGenesis::acquire(short** buf, size_t start, size_t len) {
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psgClocks-=rate;
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}
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buf[0][h]=(os[0]<<5)+psgOut;
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buf[1][h]=(os[1]<<5)+psgOut;
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bufL[h]=(os[0]<<5)+psgOut;
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bufR[h]=(os[1]<<5)+psgOut;
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}
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}
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@ -340,6 +340,10 @@ int DivPlatformGenesis::dispatch(DivCommand c) {
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return 1;
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}
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bool DivPlatformGenesis::isStereo() {
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return true;
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}
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int DivPlatformGenesis::init(DivEngine* p, int channels, int sugRate) {
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parent=p;
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rate=213068;
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@ -48,9 +48,10 @@ class DivPlatformGenesis: public DivDispatch {
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int toFreq(int freq);
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public:
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void acquire(short** buf, size_t start, size_t len);
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void tick();
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bool isStereo();
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int init(DivEngine* parent, int channels, int sugRate);
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};
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#endif
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@ -5,7 +5,7 @@
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#define FREQ_BASE 3424.0f
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void DivPlatformNES::acquire(short** buf, size_t start, size_t len) {
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void DivPlatformNES::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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for (size_t i=start; i<start+len; i++) {
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if (dacSample!=-1) {
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dacPeriod+=dacRate;
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@ -27,10 +27,8 @@ void DivPlatformNES::acquire(short** buf, size_t start, size_t len) {
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apu.odd_cycle=!apu.odd_cycle;
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if (apu.clocked) {
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apu.clocked=false;
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buf[0][i]=(pulse_output()+tnd_output())*30;
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buf[1][i]=buf[0][i];
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//printf("output value: %d\n",l);
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}
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bufL[i]=(pulse_output()+tnd_output())*30;
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}
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}
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@ -36,7 +36,7 @@ class DivPlatformNES: public DivDispatch {
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void updateWave();
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public:
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void acquire(short** buf, size_t start, size_t len);
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void tick();
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int init(DivEngine* parent, int channels, int sugRate);
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@ -13,7 +13,7 @@
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#define FREQ_BASE 1712.0f*2
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void DivPlatformPCE::acquire(short** buf, size_t start, size_t len) {
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void DivPlatformPCE::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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for (size_t h=start; h<start+len; h++) {
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// PCM part
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for (int i=0; i<6; i++) {
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@ -47,8 +47,8 @@ void DivPlatformPCE::acquire(short** buf, size_t start, size_t len) {
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pce->ResetTS(0);
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//printf("tempL: %d tempR: %d\n",tempL,tempR);
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buf[0][h]=tempL;
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buf[1][h]=tempR;
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bufL[h]=tempL;
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bufR[h]=tempR;
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}
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}
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@ -250,6 +250,10 @@ int DivPlatformPCE::dispatch(DivCommand c) {
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return 1;
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}
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bool DivPlatformPCE::isStereo() {
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return true;
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}
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int DivPlatformPCE::init(DivEngine* p, int channels, int sugRate) {
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parent=p;
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rate=1789773;
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@ -50,9 +50,10 @@ class DivPlatformPCE: public DivDispatch {
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PCE_PSG* pce;
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void updateWave(int ch);
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public:
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void acquire(short** buf, size_t start, size_t len);
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void tick();
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bool isStereo();
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int init(DivEngine* parent, int channels, int sugRate);
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};
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@ -2,9 +2,8 @@
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#include "../engine.h"
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#include <math.h>
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void DivPlatformSMS::acquire(short** buf, size_t start, size_t len) {
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sn->sound_stream_update(buf[0]+start,len);
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memcpy(buf[1]+start,buf[0]+start,sizeof(short)*len);
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void DivPlatformSMS::acquire(short* bufL, short* bufR, size_t start, size_t len) {
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sn->sound_stream_update(bufL+start,len);
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}
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int DivPlatformSMS::acquireOne() {
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@ -31,7 +31,7 @@ class DivPlatformSMS: public DivDispatch {
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sn76496_device* sn;
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public:
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int acquireOne();
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void acquire(short** buf, size_t start, size_t len);
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void tick();
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int init(DivEngine* parent, int channels, int sugRate);
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@ -618,11 +618,11 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
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while (runLeft) {
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if (runLeft>=cycles) {
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runLeft-=cycles;
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dispatch->acquire(bbIn,runPos,cycles);
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dispatch->acquire(bbIn[0],bbIn[1],runPos,cycles);
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runPos+=cycles;
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nextTick();
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} else {
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dispatch->acquire(bbIn,runPos,runLeft);
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dispatch->acquire(bbIn[0],bbIn[1],runPos,runLeft);
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cycles-=runLeft;
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break;
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}
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@ -634,20 +634,29 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
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prevSample[0]=temp[0];
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}
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for (size_t i=0; i<runtotal; i++) {
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if (dispatch->isStereo()) for (size_t i=0; i<runtotal; i++) {
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temp[1]=bbIn[1][i];
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blip_add_delta(bb[1],i,temp[1]-prevSample[1]);
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prevSample[1]=temp[1];
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}
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blip_end_frame(bb[0],runtotal);
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blip_end_frame(bb[1],runtotal);
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blip_read_samples(bb[0],bbOut[0],size,0);
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blip_read_samples(bb[1],bbOut[1],size,0);
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for (size_t i=0; i<size; i++) {
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out[0][i]=(float)bbOut[0][i]/16384.0;
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out[1][i]=(float)bbOut[1][i]/16384.0;
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if (dispatch->isStereo()) {
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blip_end_frame(bb[1],runtotal);
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blip_read_samples(bb[1],bbOut[1],size,0);
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}
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if (dispatch->isStereo()) {
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for (size_t i=0; i<size; i++) {
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out[0][i]=(float)bbOut[0][i]/16384.0;
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out[1][i]=(float)bbOut[1][i]/16384.0;
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}
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} else {
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for (size_t i=0; i<size; i++) {
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out[0][i]=(float)bbOut[0][i]/16384.0;
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out[1][i]=(float)bbOut[0][i]/16384.0;
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}
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}
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}
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