(unknown charset) Re: PET keyboards and related ROM sets

From: (unknown charset) William Levak <wlevak_at_SDF.ORG>
Date: Tue, 12 May 2020 03:43:54 +0000 (UTC)
Message-ID: (unknown charset) <Pine.NEB.4.64.2005120341220.17328_at_sdf.lonestar.org>
There are only 2 keybord matrices, graphics and business.  The keyboards 
themselves are wired to be compatible.

There are different language versions, but they are mapped onto the 2 
keyboard matrices.

On Tue, 12 May 2020, Steve Gray wrote:

> There is a link to a picture of all the keyboards I know of just before the table in the keyboard section. You need to follow the link to my github page and look at the keyboard ASM file for row/column/petscii values:
> https://github.com/sjgray/cbm-edit-rom/blob/master/keyboard-tables1.asm
> Steve
>
>
>
>
>
>    On Monday, May 11, 2020, 07:15:32 p.m. EDT, groepaz_at_gmx.net <groepaz@gmx.net> wrote:
>
> that confuses me even more =) all matrix info i can find is http://www.
> 6502.org/users/sjgray/projects/editrom/n-vs-b-keyboards.png ... which doesnt
> really tell much regarding the differences between the various "business"
> layouts :) (it should probably also contain row/column numbering and mark the
> keypad keys as such) ... the one in that picture, is that the US or UK one?
>
>
> Am Dienstag, 12. Mai 2020, 00:43:53 CEST schrieb Steve Gray:
>> I have keyboard pictures and matrix info on my editor rom project page:
>> http://www.6502.org/users/sjgray/projects/editrom/index.html
>>
>> Steve
>>
>>> On May 11, 2020, at 6:09 PM, groepaz_at_gmx.net wrote:
>>>
>>> Hy!
>>>
>>> In the past couple days i have played around with fixing some things in
>>> VICE that are related to the PET keyboard... in particular i tried to
>>> create a somewhat working keymap :)
>>>
>>> anyway, it's still a bit confusing to me, so please read the following and
>>> correct whats wrong:
>>>
>>> - there are basically two fundamentally different PET keyboards:
>>> 1) the "graphics" keyboard, which is used on the "small" models, up to
>>> 4032
>>> 2) the "business" keyboard, which is used on the "big" models, 8032 and up
>>> (this refers to the keyboard matrix, "graphics" keyboard includes the very
>>> first, top one on this picture: https://1.bp.blogspot.com/-SPbnwFP9n5o/
>>> XlI9s0Xoo5I/AAAAAAAATw4/XfTKMTKa_8s2inLFD3EFaefeWjvcVznSwCLcBGAsYHQ/s1600/
>>> Keyboards.JPG )
>>>
>>> now, the "business" keyboard exists in several localized versions. for
>>> those you will need "editor" ROMs that match the respective keyboard
>>> variant.
>>>
>>> now the confusion (and my questions) begins :)
>>> - what about charsets? will you need other chargen ROM too? (my guess is
>>> yes, of course)
>>> - 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>
>
>
> --
>
> http://hitmen.eu                 http://ar.pokefinder.org
> http://vice-emu.sourceforge.net  http://magicdisk.untergrund.net
>
> Foolish man give wife grand piano. Wise man give wife upright organ.
>
>
>
>
>

wlevak_at_sdf.org
SDF Public Access UNIX System - http://sdf.org
Received on 2020-05-30 01:44:31

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