Re: A86: interrupts and on key

Re: A86: interrupts and on key

• To: assembly-86@lists.ticalc.org
• Subject: Re: A86: interrupts and on key
• From: Aaron Curtis <acurti1@umbc.edu>
• Date: Wed, 17 Feb 1999 13:44:28 -0500
• Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
• Delivered-To: assembly-86@lists.ticalc.org
• References: <19990217.074758.-97001.6.rabidcow@juno.com>
• Reply-To: assembly-86@lists.ticalc.org

Within your interupt routine, check bit 3 of port 3 to see if on was
pressed, or check port 1 for down and left (although other keys will do
it).  Unless you did a jp $0038, you'll have to check port 3 anyway.

Joshua J Seagoe wrote:
> 
> does anyone know how to tell the difference between the on key and
> something like down&left?  i'm reading the keypad from an im 2 routine,
> so the os isn't involved and i'm reading directly from the ports.
> 
> -josh

• A86: interrupts and on key
• From: Joshua J Seagoe <rabidcow@juno.com>

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