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From: berger@iboga (Mike Berger)
Newsgroups: comp.sys.mac.hardware,comp.sys.mac.programmer,comp.sys.mac.misc
Subject: Re: Remember the Magic digitizer?
Message-ID: <1991Jan2.183244.4547@ux1.cso.uiuc.edu>
Date: 2 Jan 91 18:32:44 GMT
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smz@tove.cs.umd.edu (Zakar) writes:


>     I have an old Magic digitizer that works fine on my Mac512KE.  The
>software (apparently) converts a 768x480 8-bit grayscale image to a B & W
>patterned image that fits on the screen.  It seems to me that if I knew
>the handshaking that goes on between the Mac and the digitizer, I could
>hook it to a MacII, write some code, and display it in true 8-bit grayscale.
>My question(s):  Has anyone tried this?  If not, does anyone know what the
>handshaking looks like?  If not, does anyone know of a disassembler that
>outputs to a file so I can reverse engineer the information?

*----
I don't know if the manufacturer is still in business, but at one time
they offered the source code for reading digitizer output for $ 25.  
--
	Mike Berger
	Department of Statistics, University of Illinois
	AT&TNET     217-244-6067
	Internet    berger@atropa.stat.uiuc.edu