Re: PET keyboards and related ROM sets

From: André Fachat <afachat_at_gmx.de>
Date: Tue, 12 May 2020 07:06:38 +0200
Message-ID: <17207470f48.27ff.b4d1f2b66006003a6acd9b1a7b71c3b1_at_gmx.de>
Am 12. Mai 2020 00:12:02 schrieb groepaz_at_gmx.net:

>
The questions on kbd matrix have been answered already.

>
> now the confusion (and my questions) begins :)
> - what about charsets? will you need other chargen ROM too? (my guess is yes,
> of course)

There are localized charsets. I _think_ they use the extended charset mode
to be able to switch between local and standard. That is using one of the
upper CRTC video address lines connected to a charrom address line.

But I'll try to check with my German 8032 that I only got in the last weeks.

André

> - where can i find detail info on the matrix values of the localized keys? all
> i found so far is http://www.6502.org/users/andre/petindex/keyboards.html
> - where can i find the actual ROMs? i found "some" on zimmers.net: http://
> www.zimmers.net/anonftp/pub/cbm/firmware/computers/pet/index.html but this
> does not look complete, or the info on what is what is missing. i would
> atleast like to see the right ROMs for the "US", german and japanese keyboards
> ... but anything else will be fine of course
>
> please fill in the gaps :)
>
> --
>
> http://hitmen.eu                 http://ar.pokefinder.org
> http://vice-emu.sourceforge.net  http://magicdisk.untergrund.net
>
> When you take stuff from one writer, it's plagiarism; but when you take it
> from many writers, it's research.
> <Wilson Mizner>
Received on 2020-05-30 01:44:48

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