Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!usc!wuarchive!udel!haven!adm!smoke!gwyn
From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.sys.apple2
Subject: Re: Video Overlay Card software?
Message-ID: <14853@smoke.brl.mil>
Date: 14 Jan 91 17:07:36 GMT
References: <14833@smoke.brl.mil> <1991Jan13.062844.26145@nntp-server.caltech.edu> <1991Jan13.183317.28788@ux1.cso.uiuc.edu>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 17

In article <1991Jan13.062844.26145@nntp-server.caltech.edu> toddpw@nntp-server.caltech.edu (Todd P. Whitesel) writes:
>Unfortunately, GS/OS allocates space for handle structures at $e0/6000 (right
>in the middle of the screen) early on in the boot process

Oh, ugh.  Is that why the thermometer box's upper left corner changes to
light-blue background color partway through GS/OS booting?

>I have a P8 program that allocates a fixed non-purgable 16K block at $e0/6000
>and manually changes its user ID to zero (this is illegal, but otherwise the
>block will be nuked when the O/S boots). It must be run before booting GS/OS.

Is there some way to automate this fix?

>>I told Dan, hopefully he'll rail on the GS/OS people about it.

Sounds like GS/OS should at its very beginning tell the memory-manager tools
about all the areas with reserved uses, such as display pages.