Hi,
could it be that tmr has to be declared volatile?
Worth a try.
Regards
JP
On Thu, 07 Aug 2008 22:25:48 +0200, Arkadi Shishlov <[EMAIL PROTECTED]>
wrote:
> unsigned char start_timer(void)
> {
> unsigned char tmr;
> T0IF = 0;
> // here is a short window of TMR0 overflow
> tmr = TMR0;
> if (tmr != 255)
> T0IF = 0;
> return tmr;
> }
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