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Article View: alt.msdos.programmer
Article #433

Re: i/o routines and non-standard video modes

#433
From: David Doerschuk
Date: Thu, 14 Dec 1989 01:26
34 lines
2086 bytes
In article <1805@bucket.UUCP> leonard@bucket.UUCP (Leonard Erickson) writes:
>>In article <89320.130954CMH117@PSUVM.BITNET>, CMH117@PSUVM.BITNET (Charles Hannum) writes:
>>> DOS (not necessarily BIOS) is hard-coded
>>> to work with only the first 25 lines of the screen.  The problem here is that
>>> to do anything else, DOS would have to automagically sense the current screen
>>> size, which, since it uses BIOS calls, would tremendously slow down screen
>>> I/O.
>DOS isn't hardwired to 25 lines. COMMAND.COM is. Grab a copy of 4DOS
>and you can use funny sized screens without those hassles. Just be
>careful if you use ANSI.SYS as not all versions of it will support
>the funny sizes. 4DOS does enough other good stuff to be worth buying
>anyway.

You can "try-before-you-buy", its shareware!  Definitely worth the 50 bucks
they want from you to register, but its legal to try out first (for about
30 days, I think.)

ftp over to site:  wuarchive.wustl.edu

and then:

cd  /mirrors/msdos/sysutl       <----- changes to appropriate directory
type binary                     <----- sets transfer mode to binary files
recv  4dos22.arc                <----- get the archived 4DOS system & docs
recv  4dostip.arc               <----- handy start-up tips, also archived.

On your pc, most of the "ARC"-type programs should work to unarchive it:
PKXARC, ARCE, etc.

Good Luck!

Dave

doerschu@rex.cs.tulane.edu
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!rex!doerschu
References: <2090@calvin.EE.CORNELL.EDU> <2980@einstein.ptolemy.arc.nasa.gov> <2092@calvin.EE.CORNELL.EDU> <2544@alva.tut.fi> <89320.130954CMH117@PSUVM.BITNET> <1494@cc.helsinki.fi> <1805@bucket.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!rex!doerschu
From: doerschu@rex.cs.tulane.edu (David Doerschuk)
Newsgroups: alt.msdos.programmer,comp.sys.ibm.pc
Subject: Re: i/o routines and non-standard video modes
Message-ID: <1682@rex.cs.tulane.edu>
Date: 14 Dec 89 01:26:27 GMT
References: <2090@calvin.EE.CORNELL.EDU> <2980@einstein.ptolemy.arc.nasa.gov> <2092@calvin.EE.CORNELL.EDU> <2544@alva.tut.fi> <89320.130954CMH117@PSUVM.BITNET> <1494@cc.helsinki.fi> <1805@bucket.UUCP>
Reply-To: doerschu@rex.UUCP (David Doerschuk)
Organization: Computer Science Dept., Tulane Univ., New Orleans, LA
Lines: 34