if CONF_WR_04H = '1' and CBE_REGn(3) = '0' then
                         CONF_STATUS(30) <= not (AD_REG(30) and CONF_STATUS(30));
                         CONF_STATUS(31) <= not (AD_REG(31) and CONF_STATUS(31));
                 if CONF_WR_04H = '1' and CBE_REGn(3) = '0' then
                         CONF_STATUS(30) <= not (AD_REG(30) and CONF_STATUS(30));
                         CONF_STATUS(31) <= not (AD_REG(31) and CONF_STATUS(31));