SCPE_TTYERR 6439 src/simh/scp.c return SCPE_TTYERR; SCPE_TTYERR 2009 src/simh/sim_console.c return SCPE_TTYERR; SCPE_TTYERR 2028 src/simh/sim_console.c return SCPE_TTYERR; SCPE_TTYERR 2056 src/simh/sim_console.c return SCPE_TTYERR; SCPE_TTYERR 2061 src/simh/sim_console.c return SCPE_TTYERR;