returnOffset     2821 src/dps8/dps8_sys.c         word18 returnOffset = (word18) ((M[fp + 21] >> 18) & MASK18);
returnOffset     2823 src/dps8/dps8_sys.c         sim_msg ("Return ptr  %05o:%06o\n", returnSegno, returnOffset);
returnOffset     2825 src/dps8/dps8_sys.c         if (returnOffset == 0)
returnOffset     2842 src/dps8/dps8_sys.c             where = lookup_address (returnSegno, returnOffset - 1,
returnOffset     2847 src/dps8/dps8_sys.c                             returnSegno, returnOffset - 1, where);