Re: PET diagnostics

From: Steve Gray <sjgray_at_rogers.com>
Date: Wed, 11 Dec 2013 19:05:22 -0500
Message-Id: <DD6D26F0-BB99-483C-8C18-184416B803B3@rogers.com>
Sure, sounds good!

Steve


On Dec 11, 2013, at 6:10 PM, Rob Clarke <crock@clarke-family.org.uk> wrote:

> Hi Christian,
> 
> i just scanned the "Testing the PET Computer" document that covers how it works. You can find it here:
> 
> http://www.inchocks.co.uk/commodore/PET/Testing_The_PET_Computer.pdf
> 
> The additional test programs referenced in the doc came on a set of tapes ( http://www.inchocks.co.uk/commodore/PET/Tapes.jpg ) most of which which you can find here: http://www.inchocks.co.uk/commodore/PET/ServicePackTapes.zip
> 
> Steve, I wrote a PET diagnostic routine which tests the RAM and CRC checksums the ROM's which you're welcome to include.
> 
> Rob
> 
> On 11/12/2013 21:34, Christian Dirks wrote:
>> Hi Rob,
>> the used ROM set should be basic 1 according to
>> http://zimmers.net/anonftp/pub/cbm/firmware/computers/pet/README.also
>> I found a youtube video that claims to show 'A successful pass of the
>> diagnostic rom': http://www.youtube.com/watch?v=l5E8mpfBbZg
>> Unfortunately no further information :(
>> Could you take a look at the documentation and dongles ?
>> 
>> Christian
>> 
>> Am 11.12.2013 21:13, schrieb Rob Clarke:
>>> Yes, but it was only in the basic 1 ROM set. I have an original set of
>>> documentation and dongles somewhere if you can't find it on-line.
>>> 
>>> I don't recall if it displays anything though, I think it used the red
>>> LED on the mainboard.
>>> 
>>> Rob
>>> 
>>> On 11/12/2013 21:08, Christian Dirks wrote:
>>>> Hi all,
>>>> does anyone know, if there really is a diagnostic routine in the PET
>>>> ROMs, and if so, what it should do/display ?
>>>> When I power up my 2001-8C with the daignostic pin connected to GND, it
>>>> blanks the screen and nothing more seems to happen.
>>>> A quick test with a 'hello world' basic program works.
>>>> The used ROM set is:
>>>> 6540-019, -013, -015, -016, -012, -014, -018.
>>>> 
>>> 
>>>       Message was sent through the cbm-hackers mailing list
>> 
> 
> 
>      Message was sent through the cbm-hackers mailing list

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Received on 2013-12-12 01:00:04

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