6efcfc2e8a
by just forwarding an output buffer to the dispatch and begin/length, the number of calls may be reduced which improves performance.
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
#ifndef _PCE_H
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#define _PCE_H
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#include "../dispatch.h"
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#include <queue>
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#include "../macroInt.h"
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#include "sound/pce_psg.h"
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class DivPlatformPCE: public DivDispatch {
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struct Channel {
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int freq, baseFreq, pitch;
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int dacPeriod, dacRate, dacPos, dacSample;
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unsigned char ins, note, pan;
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bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, noise, pcm;
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signed char vol, outVol, wave;
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DivMacroInt std;
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Channel():
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freq(0),
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baseFreq(0),
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pitch(0),
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dacPeriod(0),
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dacRate(0),
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dacPos(0),
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dacSample(0),
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ins(-1),
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note(0),
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pan(255),
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active(false),
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insChanged(true),
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freqChanged(false),
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keyOn(false),
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keyOff(false),
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inPorta(false),
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noise(false),
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pcm(false),
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vol(31),
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outVol(31),
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wave(-1) {}
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};
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Channel chan[6];
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struct QueuedWrite {
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unsigned char addr;
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unsigned char val;
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QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
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};
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std::queue<QueuedWrite> writes;
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unsigned char lastPan;
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int tempL, tempR, cycles, curChan, delay;
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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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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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};
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#endif
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