Re: A89: keyboard buffer

To: assembly-89@lists.ticalc.org
Subject: Re: A89: keyboard buffer
From: Olle Hedman <oh@hem.passagen.se>
Date: Sun, 25 Jul 1999 02:02:16 +0200
Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-89@lists.ticalc.org
References: <c23b91dd.24cb55ce@aol.com> <002d01bed60c$7f1de5d0$260b0923@brabeler> <379A1AED.B880FA21@hem.passagen.se> <379A3174.59CE@bellsouth.net>
Reply-To: assembly-89@lists.ticalc.org


It takes some time between you change the keymask until it actually works..
I think it has to do with the antibounce hardware in the keyboard.

mhlandry wrote:
> 
> When reading form the keyboard buffer, I came across something very
> odd.  I would try for one row of keys, and that worked fine, then when I
> went for another row, something strange happened: when I pressed esc
> (meant to exit) my sprite went up.  Then I added a clr.l d0 between the
> two reads and it still went up after pressing esc, only after you held
> down esc for awhile, it would exit.  So, I added another clr.l d0 right
> before the second read and it works.  Why does this happen?  Should I be
> clearing $600019 or 60001b instead of d0?
>         - Matt

References:

Re: A89: How do you change the logical screen width?

From: AzNgUy66@aol.com

Re: A89: How do you change the logical screen width?

From: "Bryan Rabeler" <rabelerb@pilot.msu.edu>

Re: A89: How do you change the logical screen width?

From: Olle Hedman <oh@hem.passagen.se>

A89: keyboard buffer

From: mhlandry <mhlandry@bellsouth.net>