[Simh] clang (was Re: XCode and LTO)

[Sergey Oboguev]

Like with all busy-wait loops intended to implement short delays, loop is 
initially calibrated against a real time source, then a required number of 
iterations is used to execute actual delay.
You can find more details in SIMH source code.


----- Original Message ----
From: Peter Svensson <psvsimh at psv.nu>
> What is the rom code able to check instruction cycle against? Real time clock 
>imported to the simulation from the host? 
>
> I.e what is it that makes the wall time of the host matter to the simulation?