#define SizeofDx7Voice 155     /* 155 bytes in a Dx7Voice */
#define SizeofDx732Voice 4096  /* 4096 bytes in a 32-voice packet */

typedef struct {
       unsigned char s[4096];
} Dx732Voice;

typedef struct {
       unsigned char
            rate[4],   /* 0 ~ 99 */
            level[4],  /* 0 ~ 99 */
            kbdBreakPoint,
            kbdLDepth,
            kbdRDepth,
            kbdLCurve, /* 0 ~ 3 */
            kbdRCurve,
            kbdRateScale,      /* 0 ~ 7 */
            modSensitivity,    /* 0 ~ 3 */
            keyVelSensitivity, /* 0 ~ 7 */
            outputLevel,       /* 0 ~ 99 */
            oscMode,           /* 0 ~ 1 */
            oscFreqCoarse,     /* 0 ~ 31 */
            oscFreqFine,       /* 0 ~ 99 */
            oscDetune;         /* 0 ~ 14 */
} Dx7Operator;

typedef struct {
       char op[6][21]; /* data for 6 operators; cast each as a Dx7Operator */
       char pitchRate[4],
            pitchLevel[4],
            algorithm,         /* 0 ~ 31 */
            feedback,          /* 0 ~ 7 */
            oscSync,           /* 0 ~ 1 */
            lfoSpeed,          /* 0 ~ 99 */
            lfoDelay,
            lfoPmd,
            lfoAmd,
            lfoSync,           /* 0 ~ 1 */
            lfoWave,           /* 0 ~ 4 */
            modSensitivityPitch,       /* 0 ~ 7 */
            transpose,         /* 0 ~ 48 */
            name[11];          /* NB- leave room for \0 */
} Dx7Voice;

/*
typedef struct { char range, assign; } Dx7Slider;

typedef struct {
       char monoPoly,
            pitchBendRange,
            pitchBendStep,
            portMode,
            portGliss,
            portTime;
       Dx7Slider mod,
                 foot,
                 breath,
                 afterTouch;
} Dx7Function;
*/