ZOOMACC
                                -------

This accessory opens a window on your screen which zooms the pixels around
your mouse by 8 times.  As long as the zoom window is topped, the zoom view
will change as the mouse is moved.  The zooming is as fast as I could make it,
but improvements could probably be made.  It's as fast as I need it, anyway.

The program was written with Lattice C V5.06.02, and comes in two guises:
one (the normal) is an accessory, the other can be run as either a GEM program
or as an accessory if you feel that way inclined.  It is written in C with some
small assembler routines for speed.

Limitations: only works on monochrome screens, but will probably work on large
(A3) screens OK as the screen size is not hard-wired into the code, but is
obtained from the Line A structure.  If you try to run on a colour screen, the
accessory will not install (an error message is given) and will lie dormant in
memory.  Sorry about this, but I don't have a colour monitor to debug the code
on.

                                MANIFEST
                                --------

The following files are included:
MAKEFILE
QBLIT.S
ZOOMACC.ACC
ZOOMACC.C
ZOOMACC.PRG
ZOOMLINE.S

You may modify the source and use any part in your own programs.  I would be
grateful for any improvements or suggestions.

----------
Chris Ridd: riddcj@uk.ac.bham.cs
7 April 1991