On Mon, 09 Sep 2002, anton wilson wrote:
>
> unsigned time, time_low, time_high;
> unsigned mhz = 150000000; // 150 MHz processor
> __asm rdtsc // Read time stamp to EAX
> __asm mov time_low, eax
> __asm mov time_high, edx
> Sleep (35000); // Sleep for 35 seconds
> __asm rdtsc
> __asm sub eax, time_low // Find the difference
> __asm sub edx, time_high
>
> __asm div mhz // Unsigned divide EDX:EAX by mhz
>
> __asm mov time, eax
> printf("Seconds: %u\n", time);
>
> What exactly does the div line do?
>
divides the number of cycles measured by the number of hertz which
leads to the seconds consumed ,-)
--lpr
--
Lukas Ruf
http://www.lpr.ch http://www.maremma.ch
http://www.{{topsy,nodeos}.net,{promethos,netbeast,rawip}.org}
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