Heinz Czychun wrote:
> Hi Guys,
>        Me bad. Jinx and others I apologize. Please disregard my  
> previous ravings. They were based on bad assumptions about what I was  
> observing.
> 
>        I had an LED connected to GP1 as described, and it was  
> flickering, I took this to mean that TMR0 was activating the  
> interrupt, even though I had its T0IE cleared.  A quick calculation  
> showed me that even with the full prescaler divide by (256) the LED  
> would still be flashing at 1000s of Hz. This would of course look  
> like a solid on, and not a flicker. I was able to get a scope on GP1  
> and there is no sign of any signal in the 1000s of Hz range.
> 
>       Now to track down the real cause of the flickering after  
> getting some sleep.
> 
> Thanks again for all your time,
> Heinz

WDT enabled ?
Open input pin(s) (or even an open MCLR?).
Runaway code that makes the program re-initialize ?
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