Alan King <taking@intrex.net> wrote:

> Two keys from one keypad with standard routines can be a bit tricky
> but can be done..   If two keys on different rows AND columns are
> down you will read all four keys that make a square as down.

Alan:

It's been my experience that ambiguity only occurs when THREE keys
that form three corners of a rectangle are pressed, and that TWO keys
are never a problem to read.

Of course, this applies only to keypads that are scanned by row or
column; were you talking about another keypad topology?

-Andy

=== Andrew Warren - fastfwd@ix.netcom.com
=== Fast Forward Engineering - Vista, California
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