BBC Model B - video help

From: Andrew Davie <>
Date: Sun Feb 22 06:57:45 1998

This sounds about right.
If I counted the number of characters before the repeat, couldn't I then
identify the stuck line?
Then, perhaps... I could go to the hardware? Am I making sense?

-----Original Message-----
From: Allison J Parent <>
To: Discussion re-collecting of classic computers
Date: Sunday, February 22, 1998 11:57 PM
Subject: Re: BBC Model B - video help

>Unlikely but possible. More likely is a memory address error. A stuck
>address line will cause data to repeat 2*n times in the display memory.
Received on Sun Feb 22 1998 - 06:57:45 GMT

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