clock_last        454 src/simh/sim_timer.c uint32 clock_start, clock_last, clock_now;
clock_last        466 src/simh/sim_timer.c clock_last = clock_start = sim_os_msec ();
clock_last        472 src/simh/sim_timer.c     clock_diff = clock_now - clock_last;
clock_last        475 src/simh/sim_timer.c     clock_last = clock_now;