Re: Keyboard conversion project?

[mjmahon@aol.com (Michael J. Mahon)]

In article <8avfa.15848$9G.4443585@twister.socal.rr.com>, "Bryan Villados"
<news002@macgeek.org> writes:

>I also have a functional Apple IIGS keyboard (well, actually, I have
>several, which is why I'm willing to sacrafice a good one for this project).
>I took the PCB out of the case, and pulled off all the keys, so all there's
>left are the key switches and the PCB, which includes the ADB controller
>that runs the keyboard.
>
>I was wondering if anyone ever isolated which part of the PCB is dedicated
>to the ADB circuitry? What I was thinking was cut the PCB so all that's left
>is the ADB controller, then adapt it to the Toshiba laptop keyboard. On the
>Toshiba keyboard, just strip it of all of its logical components and just
>have the key switches left, then put the ADB controller and Toshiba keyboard
>together. This may be something worth working on for someone who's thinking
>of making an Apple IIGS portable.

An interesting project.

Most keyboard controllers have the keyboard matrix decoding in
ROM.  This could make it difficult to get correct keycodes using
the Toshiba keyboard.

If the matrix decoding is changeable, let us know.  ;-)

-michael

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