Jens M. Guessregen / Mailinglists wrote:
> Stack? Is there a stack in a 16F877A?

ahem, *any* CPU has a stack... if it allows for subroutine calls and/or 
interrupts :)

> Anyway, the code for the ISR is big, and it is not the ISR, which is
> hanging.

What could happen, is that, if Main code has already used 8 slots of 
Stack (the maximum), an interrupt coming in that moment, could cause a 
Stack overflow, and maybe make the main code jump to nowhere

-- 
Ciao, Dario
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