SCPE_UNATT       6401 src/simh/scp.c         return SCPE_UNATT;
SCPE_UNATT       7171 src/simh/scp.c             return SCPE_UNATT;
SCPE_UNATT       7262 src/simh/scp.c             return SCPE_UNATT;
SCPE_UNATT        241 src/simh/sim_tape.c     return SCPE_UNATT;