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From: ONM07@DMSWWU1A.BITNET (Julian F. Reschke)
Newsgroups: comp.sys.atari.st.tech
Subject: Re: How to use the VDI from the Autofolder
Message-ID: <91147.124612ONM07@DMSWWU1A.BITNET>
Date: 28 May 91 06:18:44 GMT
References: <1991May24.184249.21414@imada.ou.dk>
 <1991May25.152208.2925@actrix.gen.nz>
Lines: 16
Organisation: Westfaelische Wilhelms-Universitaet, Muenster, Germany

In article <1991May25.152208.2925@actrix.gen.nz>, Roger.Sheppard@actrix.gen.nz
(Roger Sheppard) says:
[stuff deleted]
>  A better method than the magic hockey puck is to issue an OS call with an
>undefined function number, like BIOS #73, or AES #1200, and have your program
>return a pre-defined value somehow, indicating that it's installed.
>  For example, this is the method that G+PLUS uses to let other programs
>know that it's installed.
>  The program does a trap #2 call with $472B in register D1.

Don't do things like that. This is the reason for the introfuction of the
cookie jar.
___________________________ cut here _____________________________________
Julian F. Reschke, Hensenstr. 142, D-4400 Muenster, Phone: ++49 251 861241
fast eMail: ONM07@DMSWWU1A.BITNET,    slow: jr@ms.maus.de (++49 251 77216)
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