Re: PET diagnostics

From: Christian Dirks <Toast_r_at_IdeaLine.info>
Date: Thu, 12 Dec 2013 07:20:18 +0100
Message-ID: <52A955A2.3090205@IdeaLine.info>
Hi Rob,
thank you very much for your effort.These will help me a lot.
Could you also post the connections of the dongles ?

Christian

Am 12.12.2013 00:10, schrieb Rob Clarke:
> 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


-- 
Christian Dirks
Toast_r@Idealine.info




       Message was sent through the cbm-hackers mailing list
Received on 2013-12-12 07:00:04

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