Re: PET diagnostics

From: Rob Clarke <*crock_at_clarke-family.org.uk*> Date: Wed, 11 Dec 2013 21:13:51 +0100 Message-ID: <52A8C77F.3030201@clarke-family.org.uk> · crock_at_clarke-family.org.uk

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