SCPE_TTYERR 5815 src/simh/scp.c return SCPE_TTYERR; SCPE_TTYERR 1978 src/simh/sim_console.c return SCPE_TTYERR; SCPE_TTYERR 1997 src/simh/sim_console.c return SCPE_TTYERR; SCPE_TTYERR 2025 src/simh/sim_console.c return SCPE_TTYERR; SCPE_TTYERR 2030 src/simh/sim_console.c return SCPE_TTYERR;