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From: pong@caen.engin.umich.edu (Bryan John Jalowitz)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Dual Monitor Switching
Message-ID: <1991Mar13.141003.20078@engin.umich.edu>
Date: 13 Mar 91 14:10:03 GMT
References: <1991Mar12.133739.28811@cbnewsh.att.com> <1991Mar12.175839.1687@engin.umich.edu> <18300@milton.u.washington.edu>
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Organization: University of Michigan Engineering, Ann Arbor
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In article <18300@milton.u.washington.edu> roger@wrq.com (Roger Fulton) writes:
>Well, this is really getting interesting now.
>First we have this:
>
[summary of most of discussion deleted]
>> > Yes, there is.  In addition to setting the video mode,
>> > you need to also update the equipment flag at 0040:0010
>> > appropriately: xx10xxxx for color, xx11xxxx for mono
>> > (where 'x' means leave it alone).  Also, you should account
>> > for the fact that color systems have a different maximum
>> > cursor line count than mono systems (so you should save and
>> > restore the cursor when changing video modes).

I tried this last night and it works like a charm.  Many thanks
to Roger and everyone who joined the discussion.