On 2007-10-12, Ruud <Ruud.Baltissen@[EMAIL PROTECTED]
> wrote:
> I programmed my own 6502 assembler. It runs fine but I encountered a
> weird phenomene: one moment it takes 4 seconds to run, the other
> moment about 20. With another ASM file I got figures like 4 and 35.
> The program runs in a DOS box under Windows XP SP2. P4 3GHz, 1 GB of
> RAM.
>
> I am just curious to know what can be the reason, is it XP or is a
> possible programming error (the way I use the memory) to blame? AFAIK
> I didn't encounter this phenomene under NT4.
I bet programming. Windows can behave oddly too, but that is mostly on the
several 100ms timescale, not several seconds (specially on a still
decent 3GHz machine).
Do you implement some form of locking or sharing?


|