sim_register_clock_unit_tmr  401 src/simh/sim_timer.c         sim_register_clock_unit_tmr (uptr, tmr);
sim_register_clock_unit_tmr  468 src/simh/sim_timer.c sim_register_clock_unit_tmr (&SIM_INTERNAL_UNIT, SIM_INTERNAL_CLK);
sim_register_clock_unit_tmr   80 src/simh/sim_timer.h t_stat sim_register_clock_unit_tmr (UNIT *uptr, int32 tmr);