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From: mlh@houxw.UUCP
Newsgroups: net.micro.6809
Subject: CoCo Problem
Message-ID: <184@houxw.UUCP>
Date: Mon, 31-Oct-83 09:07:16 EST
Article-I.D.: houxw.184
Posted: Mon Oct 31 09:07:16 1983
Date-Received: Thu, 3-Nov-83 20:45:13 EST
Organization: Bell Labs, Holmdel NJ
Lines: 17

I've got a problem with my CoCo and I'm wondering
if anyone else has seen something similar, and
maybe knows the reason and a fix.

After I've been using my CoCo a while (64K, extended BASIC),
I get what look like memory hits.  One or two columns on the
TV screen get three or four evenly spaced characters,
all the same, typically a "$", where there was previously white
space.  Generally, the machine continues to operate, but once
in a while it stops understanding commands.  This problem only
seems to occur when I have my JFD Disk Controller plugged in
(by the way, I'm very pleased with their PLL circuit).

Any help is much appreciated.

			Marc Harrison
			AT&T Bell Labs, Holmdel