sim_timer_activate 8746 src/simh/scp.c     return sim_timer_activate (uptr, event_time);
sim_timer_activate   76 src/simh/sim_timer.h t_stat sim_timer_activate (UNIT *uptr, int32 interval);
sim_timer_activate 3220 src/simh/sim_tmxr.c     return sim_timer_activate (uptr, interval);