SCPE_ALATT 5621 src/simh/scp.c return SCPE_ALATT; /* Already attached */ SCPE_ALATT 161 src/simh/sim_disk.c return SCPE_ALATT; SCPE_ALATT 1838 src/simh/sim_tape.c return SCPE_ALATT; SCPE_ALATT 2019 src/simh/sim_tape.c return SCPE_ALATT;