Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!tank!zem!troy
From: troy@zem.uchicago.edu (Troy Zerr)
Newsgroups: comp.lang.modula2
Subject: Re: Survey: Changing the Control Variable in a FOR
Summary: JPI modula-2 compiles the code fragment without complaint
Keywords: JPI, Modula-2, Hercules
Message-ID: <1823@tank.uchicago.edu>
Date: 13 Feb 89 21:32:15 GMT
References: <7257@june.cs.washington.edu>
Sender: news@tank.uchicago.edu
Reply-To: troy@zaphod.uchicago.edu(Troy Zerr)
Organization: U. Chicago Mathematics Dept.
Lines: 21

In article <7257@june.cs.washington.edu> pattis@june.cs.washington.edu (Rich
Pattis) writes:
>Does your M-2 compiler allow the following code fragment?
>  FOR I:=1 TO 10 DO
>    I:= 1
>  END
JPI Modula-2 for the IBM compiles it without complaint.
The loop does not terminate when executed.
         -------------------------------------------------
A question for other JPI users:
Does your GRAPH.MOD library module work correctly on a Hercules graphics
card?  I have a Zenith 449 EGA video card which claims to emulate a Herc.
When I tried to modify an EGA program to use Hercules mode, I got garbage
on the screen.  Is this a fault in my program (I don't think so),
a fault in Zenith's emulation, or a fault in the library module?
I have version 1.5, s/n 5003.


Thanks.

Troy Zerr