I'm pretty sure all 8000 series boards will handle 4K editor roms. Steve ________________________________ From: Christian Dirks <Toast_r@IdeaLine.info> To: cbm-hackers@musoftware.de Sent: Wednesday, December 11, 2013 3:51:12 PM Subject: Re: PET diagnostics Steve, I did not look at the schematics yet ... do any earlier pet mainboards than the 8296 activate the /CS line for the all $Exxx and leave only out the I/O ports, like the 8296 does ? Otherwise they could only use 2K editor ROMs ($E000-$E8FF) without modification. Am 11.12.2013 21:42, schrieb Steve Gray: >I may be able to include those diagnostics (or similar) in my cbm-edit-rom project if someone can extract the code from the original rom set (there is a bit of room if we use a 4K edit rom). It could probably even be called with a check for a key on bootup, rather than grounding a pin. > > >Steve > > > > >From: Christian Dirks mailto:Toast_r@IdeaLine.info >To: cbm-hackers@musoftware.de >Sent: Wednesday, December 11, 2013 3:34:10 PM >Subject: Re: PET diagnostics > > >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 > > >-- >Christian Dirks >Toast_r@Idealine.info > > > > > > Message was sent through the cbm-hackers mailing list > > > -- Christian Dirks Toast_r@Idealine.info Message was sent through the cbm-hackers mailing listReceived on 2013-12-11 22:00:08
Archive generated by hypermail 2.2.0.