> On Friday, Jun 11, 2004, at 14:28 US/Pacific, Bob Blick wrote:
>>
>> Interrupt-on-change should be renamed "wake-up-on-change" because it's
>> useless on a running processor.
>>
> Oh.  Rats!  I suppose it would be OK if you have the entire port set to
> be inputs, as in a keyboard scanner?

Yes, but you also don't want to poll the port, so if you use IOC you do
all reads in the interrupt service routine.

Cheers,

Bob

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