Article View: comp.sys.nsc.32k
Article #565Re: PC532 Graphics card
From: Edgar Fuss
Date: Thu, 13 Dec 1990 15:40
Date: Thu, 13 Dec 1990 15:40
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> I'm not sure I like this combination... the VIDC chip only has 4bit DACs > and a 4bit palette. This gets you a whopping 16 colors out of 4096. The VIDC goes up to 256 colours > I seem to remember hearing that the MEMC chip had some limit of only managing > 4MB of RAM, the rest being allocated to video, IO, etc. A single MEMC can handle up to 4MB, right. But you can cascade two of them, handling 8MB. Newer Acorn Machines have up to 16MB, maybe using newer MEMC's. How much Memory do you need for graphics? The main point is that the ARM's instruction set is really nice for graphic applications like bitblitting.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!unido!tools!ef From: ef@tools.uucp (Edgar Fuss) Newsgroups: comp.sys.nsc.32k Subject: Re: PC532 Graphics card Message-ID: <EF.90Dec13164018@karl.tools.uucp> Date: 13 Dec 90 15:40:18 GMT References: <<1990Dec6.14492.0@tools.uucp>> <m0iipNH-0001RLC@vector.dallas.tx.us> Sender: news@tools.UUCP Organization: TooLs GmbH, Bonn, W.-Germany Lines: 11 In-reply-to: maniac@vector.dallas.tx.us's message of 10 Dec 90 15:25:00 GMT