On 04-Feb-02 K|bek Tony wrote:

Tony,

I agree that there is not a simple answer to the question of optimum ISR
complexity, but as a guide to inexperienced asm programmers I would say that the
"KISS" approach to an ISR is going to give them the best chance at getting
their code working.

We all know that bugs in ISRs are some of the hardest to find due to the
infrequent/async nature of the bug, so minimum code ISRs are a
good thing in my view !

Having said that I have quite a large ISR in my current project, but I only
change small bits of code at a time so I statnd a chance of finding the bug
when it all stops working. :-)

Peter.

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