fmmidi-formats.h

struct Operator
{
    uint8_t AR = 0;
    uint8_t DR = 0;
    uint8_t SR = 0;
    uint8_t RR = 0;
    uint8_t SL = 0;
    uint8_t TL = 0;
    uint8_t KS = 0;
    uint8_t ML = 0;
    uint8_t DT = 0;
    uint8_t AMS = 0;
};

struct Program
{
    bool is_blank = true;
    uint8_t ALG = 0;
    uint8_t FB = 0;
    uint8_t LFO = 0;
    Operator op1;
    Operator op2;
    Operator op3;
    Operator op4;
    uint8_t key = 0;
    uint16_t panpot = 0;
    uint8_t assign = 0;
};