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Re: And another IIgs question: change BRAM without GS/OS?

From Geoff Body <gbody4@bigpond.com>
Newsgroups comp.sys.apple2.programmer
Subject Re: And another IIgs question: change BRAM without GS/OS?
Date 2012-01-16 05:32 -0800
Organization http://groups.google.com
Message-ID <fd57e26c-5928-42ff-8842-bb7797ebb744@o4g2000pbc.googlegroups.com> (permalink)
References <ea96b023-5fce-45a3-b908-9e563b78b9b8@do4g2000vbb.googlegroups.com> <24ed2dab-4365-43e7-a9fd-ec954f527452@z12g2000yqm.googlegroups.com>

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From disassmbley of the Network CDEV code, BRAM location $0062 holds
the OS version to boot.

possible values are

1 GS/OS
2 P8



       CLC
       XCE
       PHP
       REP   #$30
       LONGI ON
       PEA   $0002
       PEA   $0062
       LDX   #$0B03
       JSL   $E10000
       LONGI OFF
       PLP
       XCE


Geoff

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Thread

And another IIgs question: change BRAM without GS/OS? Ivan X <ivan@ivanx.com> - 2012-01-12 21:00 -0800
  Re: And another IIgs question: change BRAM without GS/OS? dempson@actrix.gen.nz (David Empson) - 2012-01-13 21:17 +1300
  Re: And another IIgs question: change BRAM without GS/OS? A2CPM <a2@wilserv.com> - 2012-01-13 06:57 -0800
  Re: And another IIgs question: change BRAM without GS/OS? "ict@ccess" <gids.rs@sasktel.net> - 2012-01-13 08:32 -0800
  Re: And another IIgs question: change BRAM without GS/OS? A2CPM <a2@wilserv.com> - 2012-01-15 10:20 -0800
  Re: And another IIgs question: change BRAM without GS/OS? A2CPM <a2@wilserv.com> - 2012-01-15 11:02 -0800
    Re: And another IIgs question: change BRAM without GS/OS? Geoff Body <gbody4@bigpond.com> - 2012-01-16 05:32 -0800
      Re: And another IIgs question: change BRAM without GS/OS? Antoine Vignau <antoine.vignau@laposte.net> - 2012-01-16 12:40 -0800
        Re: And another IIgs question: change BRAM without GS/OS? Ivan X <ivan@ivanx.com> - 2012-01-16 13:18 -0800
          Re: And another IIgs question: change BRAM without GS/OS? Geoff Body <gbody4@bigpond.com> - 2012-01-17 05:40 -0800

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