Method decode

source/emulation/cpu/decoder.cpp:3573–3586

        this->mem = mem;
    }
    void decode(DecodeData* data, DecodedOp* op) const override {
        U8 rm = data->fetch8();

        if (rm>=0xC0) {    
            op->inst = this->reg;
            op->reg = E(rm);
            op->rm = G(rm);
        } else {
            op->inst = this->mem;
            op->reg = G(rm);
            decodeEa(data, op, rm);
        }        
        fetchImm(data, op);
    }

private:
    Instruction reg;