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Article #6772

Re: STE vs ST Shifter

#6772
From: Jim Tittsler
Date: Sat, 09 Dec 1989 03:29
13 lines
1054 bytes
neil@cs.hw.ac.uk (Neil Forsyth) writes:
>I'm not bothered about SHIFTER, it's MMU I want replaced. No palette changes
>just better hardware scrolling.

The scrolling features required revisions to both the MCU (since if you
are not word-aligned you need to send (at least) one more set of words
to the shifter per line) and the Shifter (so it could decide which pixel
of the word to start on).

Neither the STe shifter nor the new combined MCU/Glue can be directly
plugged into an ST.

Jim Tittsler, Systems Engineer (and alleged hardware type), Atari Corp.
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Message-ID: <1873@atari.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!wuarchive!zaphod.mps.ohio-state.edu!swrinde!cs.utexas.edu!sun-barr!newstop!sun!imagen!atari!jwt
References: <20157@pasteur.Berkeley.EDU> <3868@brahma.cs.hw.ac.uk>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!wuarchive!zaphod.mps.ohio-state.edu!swrinde!cs.utexas.edu!sun-barr!newstop!sun!imagen!atari!jwt
From: jwt@atari.UUCP (Jim Tittsler)
Newsgroups: comp.sys.atari.st
Subject: Re: STE vs ST Shifter
Keywords: DAC, STE, Shifter
Message-ID: <1873@atari.UUCP>
Date: 9 Dec 89 03:29:41 GMT
References: <20157@pasteur.Berkeley.EDU> <3868@brahma.cs.hw.ac.uk>
Organization: Atari Corp., Sunnyvale, CA
Lines: 13