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Path: utzoo!utgpu!water!watnot!watmath!clyde!rutgers!husc6!seismo!rpics!chassin
From: chassin@rpics.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: IBM new 'standard'
Message-ID: <1066@rpics.RPI.EDU>
Date: Tue, 31-Mar-87 16:31:34 EST
Article-I.D.: rpics.1066
Posted: Tue Mar 31 16:31:34 1987
Date-Received: Thu, 2-Apr-87 01:47:05 EST
References: <701@imsvax.UUCP> <855@bucsb.bu.edu.UUCP> <882@mtunb.UUCP> <1353@steinmetz.steinmetz.UUCP>
Lines: 31
Summary: graphics ill-behaved?

In article <1353@steinmetz.steinmetz.UUCP>, davidsen@steinmetz.steinmetz.UUCP (William E. Davidsen Jr) writes:
> 
> There have been several postings about "well behaved" and "ill behaved"
> program. I would like to offer a suggestion for classifying these
> programs, in order to clarify what problems are caused by each.
> 
> Class 4: "ill behaved" - issues any IN or OUT instructions, writes in
> system memory, reads data from the tables at the start of the BDOS, etc.
> ----------------------------------------------------------------

The problem is that you have given the necessary conditions for any reasonably
good graphics program. Every CAD system MUST bypass DOS functions because
there are no DOS functions for graphics. What to do?

Dave
_____________________

David P. Chassin
Rensselaer Polytechnic Institute	              |
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The above is my opinion, and mine alone. The organization I work for may
refute these statements at any time. They are however more likely to take
credit for them at any time.
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