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From: rsherman@mthvax.cs.miami.edu (Roby Sherman)
Newsgroups: comp.sys.apple2
Subject: Turning on 80 columns from ASSEM kills BASIC, why?
Message-ID: <1991Feb13.164633.12756@mthvax.cs.miami.edu>
Date: 13 Feb 91 16:46:33 GMT
Organization: The Tao of Programming
Lines: 24

Hello, all...



    I've been trying several methods to turn on the 80 column hardware from
    assembly (some of my own design and from other programs I have) but
    all of these routines seem to clobber BASIC in such a way that ProDOS
    calls will no longer work from the BASIC interpeter. (IE: CAT, RUN, etc)

    Has this happened to anyone? My program is pure assembly, so I'm not
    GREATLY concerned with BASIC getting the axe, but I am concerned that I
    might be messing up other parts of memory where MY code resides.


		   thanks in advance,

				Roby


-- 
Roby Sherman    |  rsherman@mthvax.cs.miami.edu
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