SCPE_NXM 1639 src/dps8/dps8_cpu.c return SCPE_NXM; SCPE_NXM 1652 src/dps8/dps8_cpu.c if (addr >= MEMSIZE) return SCPE_NXM; SCPE_NXM 7313 src/simh/scp.c reason = SCPE_NXM; SCPE_NXM 7404 src/simh/scp.c return SCPE_NXM;