REG_HIDDEN       2268 src/simh/scp.c         if (rptr->flags & REG_HIDDEN)
REG_HIDDEN       2303 src/simh/scp.c         if (rptr->flags & REG_HIDDEN)
REG_HIDDEN       6721 src/simh/scp.c         (rptr->flags & REG_HIDDEN))
REG_HIDDEN        523 src/simh/sim_defs.h # define REG_HRO         (REG_RO | REG_HIDDEN)           /* hidden, read only */