def _CMEQ_register(cpu, res_op, reg_op1, reg_op2):
    """
        CMEQ (register).

        :param res_op: destination register.
        :param reg_op1: source register.
        :param reg_op2: source register.
        """
    cpu._cmeq(res_op, reg_op1, reg_op2, register=True)
