REG_UFMASK       6311 src/simh/scp.c     (fprint_sym (ofile, (rptr->flags & REG_UFMASK) | rdx, &val,
REG_UFMASK       6411 src/simh/scp.c         (parse_sym ((CONST char *)cptr, (rptr->flags & REG_UFMASK) | rdx, NULL,
REG_UFMASK        515 src/simh/sim_defs.h # define REG_VMFLAGS     (REG_VMIO | REG_UFMASK)         /* call VM routine if any of these are set */