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TIMER: Force at minimum of 1 instruction delay for non-zero delays in sim_activate_after().

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This commit is contained in:
Mark Pizzolato 2016-01-10 15:53:01 -08:00
parent 13c4681a2a
commit ab8123e9b6
1 changed files with 2 additions and 0 deletions
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2
sim_timer.c
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@ -1486,6 +1486,8 @@ inst_delay_d = ((inst_per_sec*usec_delay)/1000000.0);
if (inst_delay_d > (double)0x7fffffff) if (inst_delay_d > (double)0x7fffffff)
inst_delay_d = (double)0x7fffffff; inst_delay_d = (double)0x7fffffff;
inst_delay = (int32)inst_delay_d; inst_delay = (int32)inst_delay_d;
if ((inst_delay == 0) && (usec_delay != 0))
inst_delay = 1; /* Minimum non-zero delay is 1 instruction */
#if defined(SIM_ASYNCH_IO) && defined(SIM_ASYNCH_CLOCKS) #if defined(SIM_ASYNCH_IO) && defined(SIM_ASYNCH_CLOCKS)
if ((sim_calb_tmr == -1) || /* if No timer initialized */ if ((sim_calb_tmr == -1) || /* if No timer initialized */
(inst_delay < rtc_currd[sim_calb_tmr]) || /* or sooner than next clock tick? */ (inst_delay < rtc_currd[sim_calb_tmr]) || /* or sooner than next clock tick? */