Re: Z80 computer displays

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Article #10400

#10400

From: Clarence Wilkerson
Date: Thu, 21 Feb 1991 15:17

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The IBM displays are memory mapped. The simplest model, the monochrome
TTL card,
has 4k of memory, with alternating "attributes" and characters. 
  I suspect that one could use a 8255 parallel port to simulate the PC
bus well enough to drive one of these.
Clarence Wilkerson

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From: wilker@descartes.math.purdue.edu (Clarence Wilkerson)
Newsgroups: sci.electronics
Subject: Re: Z80 computer displays
Message-ID: <6506@mentor.cc.purdue.edu>
Date: 21 Feb 91 15:17:47 GMT
References: <1991Feb14.045000.25624@ritcsh.csh.rit.edu>
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Reply-To: wilker@descartes.math.purdue.edu (Clarence Wilkerson)
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