furnace/src/engine/platform/lynx.h

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2022-02-20 17:15:15 +00:00
#ifndef _LYNX_H
#define _LYNX_H
#include "../dispatch.h"
#include "../macroInt.h"
#include "sound/lynx/Mikey.hpp"
class DivPlatformLynx: public DivDispatch {
struct MikeyFreqDiv {
uint8_t clockDivider;
uint8_t backup;
MikeyFreqDiv(int frequency);
};
struct MikeyDuty {
uint8_t int_feedback7;
uint8_t feedback;
MikeyDuty(int duty);
};
struct Channel {
MikeyFreqDiv fd;
MikeyDuty duty;
int baseFreq, pitch, note, actualNote;
unsigned char ins;
bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, resetLFSR;
signed char vol, outVol;
DivMacroInt std;
Channel():
fd(0),
duty(0),
baseFreq(0),
pitch(0),
note(0),
actualNote(0),
ins(-1),
active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
inPorta(false),
resetLFSR(false),
vol(127),
outVol(127) {}
};
Channel chan[4];
bool isMuted[4];
std::unique_ptr<Lynx::Mikey> mikey;
friend void putDispatchChan(void*,int,int);
public:
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
void reset();
void forceIns();
void tick();
void muteChannel(int ch, bool mute);
bool keyOffAffectsArp(int ch);
bool keyOffAffectsPorta(int ch);
//int getPortaFloor(int ch);
void notifyInsDeletion(void* ins);
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const char** getRegisterSheet();
int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
void quit();
~DivPlatformLynx();
};
#endif