Re(2): TI-H: TI Keyboard

To: ti-hardware@lists.ticalc.org
Subject: Re(2): TI-H: TI Keyboard
From: Grant Stockly <gussie@alaska.net>
Date: Wed, 9 Sep 1998 15:13:47 -0800 (AKDT)
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
In-Reply-To: <fc.000f62d10010e174000f62d10010ddd3.10e195@pinecrest.edu>
Reply-To: ti-hardware@lists.ticalc.org


>a question, can i just call 'in A' and it'll wait for the next thing for
>the avr to send?

'in A' gets 8 bits from PORTA...

>or do they both have to be synced, i hope not.

The calc would use an interrupt based kbd checker.

>could you
>program the avr to send out the bytes in TI prot, because i think it would
>be easier to program the avr for ti prot, instead of the ti for avr prot.

There is no 'avr' prototcal.  The AVR already has been programmed for ti...

>also, what kind of keyboard would it have to use? just a generic one?

An AT 9600N18 keyboard.  standard, yes.

>is
>writing the driver just a matter of calling 'in' and then cp'ing to a
>table of the keys,

basically, yes.

>and then writing the jey to the keyboard buffer?
>because if is that simple, i would volunteer to do it, but if it requires
>more than that i think i'll have to decline.
>
>
>FUZZ
>I Don't See Why Not
>-------------------
>listen.to/yankovic
>ICQ: 3512251

References:

Re(2): TI-H: TI Keyboard

From: fuzz@pinecrest.edu (David Norelid)

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