opstruct.h

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//
// /home/ms/sidplay/libsidplay/emu/RCS/opstruct.h,v
//

#ifndef __OPSTRUCT_H
#define __OPSTRUCT_H


//#include "mytypes.h"
#include "myendian.h"

class sidEmu;
class sidEmuBase;
class Envelope;

typedef sbyte (sidEmu::*ptr2sidFunc)(struct sidOperator *);
typedef uword (Envelope::*ptr2sidUwordFunc)(struct sidOperator *) const;
typedef void (sidEmu::*ptr2sidVoidFunc)(struct sidOperator *);

struct sw_storage
{
        uword len;
#if defined(DIRECT_FIXPOINT)
        udword stp;
#else
        udword pnt;
        sword stp;
#endif
};

struct sidOperator
{
        udword SIDfreq;
        uword SIDpulseWidth;
        ubyte SIDctrl;
        ubyte SIDAD, SIDSR;
        
        sidOperator* carrier;
        sidOperator* modulator;
        bool sync;
        
        uword pulseIndex, newPulseIndex;
        uword curSIDfreq;
        uword curNoiseFreq;
        
        ubyte output;
        
        char filtVoiceMask;
        bool filtEnabled;
        float filtLow, filtRef;
        sbyte filtIO;
        
        uword gainLeft, gainRight;  // volume in highbyte
        uword gainSource, gainDest;
        uword gainLeftCentered, gainRightCentered;
        bool gainDirec;
        
        sdword cycleLenCount;
#if defined(DIRECT_FIXPOINT)
        cpuLword cycleLen, cycleAddLen;
#else
        udword cycleAddLenPnt;
        uword cycleLen, cycleLenPnt;
#endif
        
        ptr2sidFunc outProc;
        ptr2sidVoidFunc waveProc;
    ptr2sidUwordFunc ADSRproc;

#if defined(DIRECT_FIXPOINT)
        cpuLword waveStep, waveStepAdd;
#else
        uword waveStep, waveStepAdd;
        udword waveStepPnt, waveStepAddPnt;
#endif
        uword waveStepOld;
        struct sw_storage wavePre[2];

#if defined(DIRECT_FIXPOINT) && defined(LARGE_NOISE_TABLE)
        cpuLword noiseReg;
#elif defined(DIRECT_FIXPOINT)
        cpuLBword noiseReg;
#else
        udword noiseReg;
#endif
        udword noiseStep, noiseStepAdd;
        ubyte noiseOutput;
        bool noiseIsLocked;

        ubyte ADSRctrl;
        bool gateOnCtrl, gateOffCtrl;
        
#ifdef SID_FPUENVE
        float fenveStep, fenveStepAdd;
        udword enveStep;
#elif defined(DIRECT_FIXPOINT)
        cpuLword enveStep, enveStepAdd;
#else
        uword enveStep, enveStepAdd;
        udword enveStepPnt, enveStepAddPnt;
#endif
        ubyte enveVol, enveSusVol;
        uword enveShortAttackCount;
};


#endif

---