Re: 6545 40/80 col register values

From: MikeS <>
Date: Wed, 25 Apr 2012 03:02:38 -0400
Message-ID: <D935C2664A9A4FD282C7853B913AB042@vl420mt>
----- Original Message ----- 
From: "Baltissen, GJPAA (Ruud)" <>
To: <>
Sent: Wednesday, April 25, 2012 1:56 AM
Subject: RE: 6545 40/80 col register values

> I used to have a board equiped with some added 74157 2-to-1 demultiplexers 
> replacing those wires plus a small board with extra ROMs. By flipping a 
> switch one could have either 40-cols or 80-cols mode after a reset.

Just curious: do you by any chance still have the alternate E ROM image, 
i.e. an 80 column graphic keyboard or a 40 column business keyboard? We're 
collecting and comparing the different versions to see just what can be done 
and how, and what the differences are.



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Received on 2012-04-25 08:00:04

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