Yeah, once you mentioned it I see that it's always been there. Looks like when the character counters get preloaded for a new line there's some kind of glitch; that could be fun, figuring out the timing and decoding in that part of the display section. This PET just ain't gonna give up easily, is it... mike ----- Original Message ----- From: "Philip Lord" <firstname.lastname@example.org> To: <email@example.com> Sent: Monday, May 16, 2011 1:57 AM Subject: Re: PET 2001 fix Part 3 - RAM/ROM board etc. >I can confirm that this double column issue is not caused by your program >as it is there before installing your ROM, but was not so noticeable >because of the character previous distortion. > > I just replaced the CPU, unfortunately there was no change whatsoever. > > Phil > > > On May 16, 2011, at 2:40 PM, Baltissen, GJPAA (Ruud) wrote: > >> Hallo Philip, >> >> >>> It displays a set of all the characters, then displays the >>> inverse set, and repeats. I'm assuming this is correct? >> >> Yes, but... >> >> >>> One thing that Ruud's program confirms is that the left most >>> column 1 and 2 are repeating: >> >> It shouldn't be caused by my program, AFAIK. That's why I gave the >> source as well so you or anyone can check. >> But have a better look: >> - not 256 characters are shown but 260. >> - column 2,3 and four are a copy of the last three columns (= 3 extra) >> - column 1 is a copy of column 2 (or the other way around) (= 1 extra) >> >> My question: did you replace the CPU already? Unless someone comes with >> a good explanation, I suspect at least the CPU. And it just takes >> seconds to replace and check it. >> >> >> -- >> ___ >> / __|__ >> / / |_/ Groetjes, Ruud >> \ \__|_\ >> \___| URL: Ruud.C64.org >> >> >> >> De informatie in dit e-mailbericht is vertrouwelijk en uitsluitend >> bestemd voor de >> geadresseerde. Wanneer u dit bericht per abuis ontvangt, verzoeken wij u >> contact op te >> nemen met de afzender per kerende e-mail. Verder verzoeken wij u in dat >> geval dit >> e-mailbericht te vernietigen en de inhoud ervan aan niemand openbaar te >> maken. >> Wij aanvaarden geen aansprakelijkheid voor onjuiste, onvolledige dan wel >> ontijdige >> overbrenging van de inhoud van een verzonden e-mailbericht, noch voor >> daarbij >> overgebrachte virussen. >> >> APG Algemene Pensioen Groep NV is gevestigd te Heerlen en is ingeschreven >> in het >> handelsregister van de Kamer van Koophandel Limburg onder nummer 14099617 >> >> >> The information contained in this e-mail is confidential and may be >> privileged. >> It may be read, copied and used only by the intended recipient. >> If you have received it in error, please contact the sender immediately >> by >> return e-mail; please delete in this case the e-mail and do not disclose >> it's >> contents to any person. We don't accept liability for any errors, >> omissions, >> delays of receipt or viruses in the contents of this message which arise >> as a >> result of e-mail transmission. >> >> APG Algemene Pensioen Groep NV is registered in the trade register of the >> Chamber >> of Commerce Limburg, The Netherlands, registration number: 14099617 >> >> >> Message was sent through the cbm-hackers mailing list > > > Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing listReceived on 2011-05-16 07:00:22
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