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80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
#ifndef _YM2610_H
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#define _YM2610_H
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#include "../dispatch.h"
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#include "../macroInt.h"
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#include <queue>
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#include "sound/ymfm/ymfm_opn.h"
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class DivYM2610Interface: public ymfm::ymfm_interface {
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public:
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DivEngine* parent;
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int sampleBank;
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uint8_t ymfm_external_read(ymfm::access_class type, uint32_t address);
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void ymfm_external_write(ymfm::access_class type, uint32_t address, uint8_t data);
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DivYM2610Interface(): parent(NULL), sampleBank(0) {}
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};
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class DivPlatformYM2610: 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, note, psgMode, autoEnvNum, autoEnvDen;
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signed char konCycles;
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bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, inPorta;
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int vol, outVol;
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unsigned char pan;
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DivMacroInt std;
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Channel(): freqH(0), freqL(0), freq(0), baseFreq(0), pitch(0), ins(-1), note(0), psgMode(1), autoEnvNum(0), autoEnvDen(0), active(false), insChanged(true), freqChanged(false), keyOn(false), keyOff(false), portaPause(false), inPorta(false), vol(0), outVol(15), pan(3) {}
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};
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Channel chan[13];
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bool isMuted[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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ymfm::ym2610* fm;
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ymfm::ym2610::output_data fmout;
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DivYM2610Interface iface;
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unsigned char lastBusy;
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bool dacMode;
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int dacPeriod;
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int dacRate;
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int dacPos;
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int dacSample;
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unsigned char sampleBank;
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int delay;
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bool extMode;
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short oldWrites[512];
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short pendingWrites[512];
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unsigned char ayEnvMode;
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unsigned short ayEnvPeriod;
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short ayEnvSlideLow;
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short ayEnvSlide;
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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 reset();
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void forceIns();
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void tick();
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void muteChannel(int ch, bool mute);
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bool isStereo();
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bool keyOffAffectsArp(int ch);
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void notifyInsChange(int ins);
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void notifyInsDeletion(void* ins);
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int init(DivEngine* parent, int channels, int sugRate, bool pal);
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void quit();
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~DivPlatformYM2610();
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};
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#endif
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