TIMERR_NOERROR    192 src/simh/sim_timer.c if (timeGetDevCaps (&timers, sizeof (timers)) != TIMERR_NOERROR)
TIMERR_NOERROR    196 src/simh/sim_timer.c if (timeBeginPeriod (timers.wPeriodMin) != TIMERR_NOERROR)