OUTONB
OUTONB (nc_ctest3, CLF);
OUTONB (HF_PRT, HF_EXT_ERR);
OUTONB (HF_PRT, HF_EXT_ERR);
OUTONB (HF_PRT, HF_EXT_ERR);
OUTONB (HF_PRT, HF_EXT_ERR);
OUTONB (HF_PRT, HF_EXT_ERR);
OUTONB (nc_dcntl, (STD|NOCOM)); \