SCPE_UNATT       6513 src/simh/scp.c         return SCPE_UNATT;
SCPE_UNATT       7283 src/simh/scp.c             return SCPE_UNATT;
SCPE_UNATT       7374 src/simh/scp.c             return SCPE_UNATT;
SCPE_UNATT        245 src/simh/sim_tape.c     return SCPE_UNATT;