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From: K538915@CZHRZU1A.BITNET.UUCP
Newsgroups: comp.sys.atari.st
Subject: Re: ...._shell_p.... (once more, now the_env)
Message-ID: <8705201755.AA05312@ucbvax.Berkeley.EDU>
Date: Wed, 20-May-87 15:07:56 EDT
Article-I.D.: ucbvax.8705201755.AA05312
Posted: Wed May 20 15:07:56 1987
Date-Received: Fri, 22-May-87 00:44:29 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
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I write:
>As I just noticed there IS a pointer reserved for the environment string
>the_env ($4BC). What I'll do right now is patch my copy of GEMBOOT and
..........
As John Stanley correctly remarks the location $4BC is WRONG, I
accidently was using the old Data Becker ST Intern (Abacus ST Internals)
book, the most recent release (If I remember correctly something like
mid 1986 (I don't think this version ever made it to the US)) gives the
correct value $4BE. The ST internal books does say it IS the default
enviroment string (4 nul bytes), but as I was unable to find any reference
to it in the system code it is probably safe to use it as a pointer. I've
patched my copy of GEMBOOT and SETPATH and they work as normal without any
problems. For the undocumented/unpublished system variables freaks:
according to the BIOS listing a different location is used by the BIOS
as a pointer to the enviroment string, the location is $XXXX (CENSORED
BY THE ATARI MAIL FILTER).

                          Simon Poole
                          K538915@CZHRZU1A.BITNET