SCPE_NXPAR       3902 src/simh/scp.c         else return SCPE_NXPAR;
SCPE_NXPAR       4145 src/simh/scp.c                 return sim_messagef (SCPE_NXPAR, "Non-existent parameter: %s\n", gbuf);
SCPE_NXPAR       3793 src/simh/sim_tmxr.c     return SCPE_NXPAR;                                  /* "Non-existent parameter" error */
SCPE_NXPAR       3889 src/simh/sim_tmxr.c     return SCPE_NXPAR;                                  /* "Non-existent parameter" error */