Xref: utzoo alt.msdos.programmer:875 comp.sys.ibm.pc:39770
Path: utzoo!attcan!uunet!zephyr.ens.tek.com!tektronix!psueea!parsely!bucket!leonard
From: leonard@bucket.UUCP (Leonard Erickson)
Newsgroups: alt.msdos.programmer,comp.sys.ibm.pc
Subject: Re: i/o routines and non-standard video modes
Message-ID: <1805@bucket.UUCP>
Date: 10 Dec 89 00:05:53 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>
Organization: Rick's Home-Grown UNIX; Portland, OR.
Lines: 17

>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.
-- 
Leonard Erickson		...!tektronix!reed!percival!bucket!leonard
CIS: [70465,203]
"I'm all in favor of keeping dangerous weapons out of the hands of fools.
Let's start with typewriters." -- Solomon Short