49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
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#ifndef _ARCADE_H
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#define _ARCADE_H
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#include "../dispatch.h"
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#include <queue>
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#include "../../../extern/Nuked-OPM/opm.h"
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class DivPlatformArcade: public DivDispatch {
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protected:
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struct Channel {
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unsigned char freqH, freqL;
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int freq, baseFreq, pitch;
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unsigned char ins;
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signed char konCycles;
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bool active, insChanged, freqChanged, keyOn, keyOff, portaPause;
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int vol;
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unsigned char pan;
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Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), ins(-1), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), vol(0), pan(3) {}
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};
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Channel chan[13];
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struct QueuedWrite {
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unsigned short addr;
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unsigned char val;
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bool addrOrVal;
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QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v), addrOrVal(false) {}
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};
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std::queue<QueuedWrite> writes;
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opm_t fm;
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int psgClocks;
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int psgOut;
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int delay;
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unsigned char lastBusy;
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bool extMode;
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short oldWrites[256];
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short pendingWrites[256];
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int octave(int freq);
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int toFreq(int freq);
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public:
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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, bool pal);
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};
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#endif
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