RE: A92: Keyboard for the TI-92?!

• To: "'a92'" <assembly-92@lists.ticalc.org>
• Subject: RE: A92: Keyboard for the TI-92?!
• From: Famille SCHERRER <p.c.Scherrer@wanadoo.fr>
• Date: Thu, 12 Mar 1998 21:02:58 +0100
• Delivered-To: assembly-92-outgoing@towerguard.unix.edu.sollentuna.se
• Reply-To: assembly-92@lists.ticalc.org

>Which chip?  Do you need to program your own ROM?  Do you need to buy
>one?  Can you buy it in the US?  Does it support PC Keyboards?  If it
>does, is it the 5-pin DIN plug or the small plug?

You could make that with a PIC16x84 microcontroller. The program would
be :
- two subroutines to send/receive bytes to/from the TI
- one for decoding the keyboard data.
Then you have to build a programmator for such a microcontroller. But PIC1x84 
programmators are very easy to build, and you can find them on the WEB.

Benoit SCHERRER
p.c.scherrer@wanadoo.fr

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