Re: PET 2001 fix Part 3 - RAM/ROM board etc.

From: Philip Lord <>
Date: Sun, 15 May 2011 18:36:35 +0900
Message-id: <>
Any chance you could email me a .bin file of that which I can burn to a EPROM.

After burning some BASIC 2 EPROMs, it seems I'm now getting a reset as the screen fills with garbage than after about 1/2 a second goes completely blank...I think this is progress.


On May 15, 2011, at 2:53 PM, Baltissen, GJPAA (Ruud) wrote:

> Hallo Philip,
>> One last question: did my voltages off the CPU look ok?
> Yes. A rather busy SYNCbut I know the 6502 halts when it reads $FF and
> that could affect SYNC.
> Another idea: I once had te repair a 3016 I replaced the top ROM with
> one of my own that just placed some text on the screen. That assured me
> the CPU part + top ROM was OK and that I first had to concentrate on the
> video part and then, if still needed, on the rest.
> --
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Received on 2011-05-15 10:00:22

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