clock_last 451 src/simh/sim_timer.c uint32 clock_start, clock_last, clock_now; clock_last 463 src/simh/sim_timer.c clock_last = clock_start = sim_os_msec (); clock_last 469 src/simh/sim_timer.c clock_diff = clock_now - clock_last; clock_last 472 src/simh/sim_timer.c clock_last = clock_now;