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From: alexad3 AT iconline DOT com (Alexander J Russell)
Subject: Re: An key board handler ISR question.
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Date: Wed, 24 Jul 1996 04:03:57 GMT
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In article <838153889snz AT abcde DOT demon DOT co DOT uk>, Dmills AT abcde DOT demon DOT co DOT uk says...
>
>
>It looks like you forgot to mask bit 7 before referencing the 
>table!!
>(Could be wrong).
>Dan mills
>-- 


Have you noticed that pressing keys on the "second keypad" generates more than 
one scan code? You get a 0xe0 followed by the usual scan code.

It probably isn't important, but I generaly just stuff the scan codes into a 
Queue and return from the ISR, and do all the processing after the fact.
Keeps the ISR small, fast, and simple, and I can make the scan code processor 
as fancy as I like.
-- 
The AnArChIsT! Anarchy! Not Chaos!
aka
Alex Russell
alexad3 AT iceonline DOT com