Dec 132017
Create overlay files for your Clipper code. Saves memory space. DEMO.
File OVERCL.ZIP from The Programmer’s Corner in
Category Dbase Source Code
Create overlay files for your Clipper code. Saves memory space. DEMO.
File Name File Size Zip Size Zip Type
COMPILE.BAT 830 388 deflated
ORDER 5211 1868 deflated
OVERD_CL.OBJ 5795 3198 deflated
OVERLAY.DOC 29432 8710 deflated
OVER_UDF.OBJ 815 547 deflated
README 4804 1737 deflated
STARTUP.PRG 945 451 deflated
TEST.PRG 7381 2159 deflated

Download File OVERCL.ZIP Here

Contents of the README file

OverLay()tm - Copyright 1988-89 by GAMbit Software
Gregory A. Martin

This demo version of OverLay() may be freely copied,
shared, and distributed to other Clipper users. In fact, I
would ask (even beg) that you please make this demo freely
available to other Clipper developers and ESPECIALLY to
other BBSs.

This fully functional demo version of OverLay() is made
available so that Clipper developers can "test drive" the
software before they buy. This demo version of OverLay()
is EXACTLY the same as the version that is shipping at the
time of this writing, except that this demo version only
allows two calls to OverLay() during execution of the

By all means test OverLay() out with your own Clipper
applications. Make sure that it will fit your needs before
you buy, but please do not continue to use the demo version
within your applications with no intention of buying "the
real thing". I only mention this because it has come to my
attention that some have gotten the impression that this
fully functional demo version is a "free" version to be
freely used without ever registering for the unlimited

I have worked hard to try to provide Clipper developers
with a tool to solve some of the memory problems associated
with Clipper. As many reading this know, I originally
uploaded to BBSs two other products called Swap! and True
Windows for which I had high hopes and of which I was VERY
proud. Unfortunately, the business relationship between
myself and my employer who marketed those products ended in
a dismal failure with me giving up all rights to those
products in order to market my own. Nonetheless, it is my
intention to provide Clipper developers with the highest
quality add-on products at a reasonable price. OverLay()
is just the beginning.

I would very much appreciate any comments about OverLay().
My current home phone is listed within the documentation.
If you have any problems with OverLay() or any questions,
please feel free to call me or leave me a message on one of
the BBSs listed in the documentation.

I hope you are pleased with OverLay() and I hope to be
doing business with you well into the future.


Gregory A. Martin

OverLay() Test Program:

You can compile the test program using the COMPILE.BAT
file. The COMPILE.BAT file assumes that you have set the
DOS enviroment variable OBJ to point to the directory where
your CLIPPER.LIB resides or that your CLIPPER.LIB is in the
current directory. For example: If your CLIPPER.LIB is on
drive C: in the CLIPPER directory, you would enter the DOS


This tells PLink86 to look in the C:\CLIPPER directory for
the CLIPPER.LIB. You would then compile the test program
using the command:



Note to BBS SysOps:

I do realize that this demo version of OverLay() is not
"shareware" in the true sense of the word. I also realize
that many BBSs do not like to put software on their board
unless it is either public domain or shareware. This
"demo" version of OverLay(), though, is in every sense, the
same as the shipped version except for being limited to
being called twice in an application. I do feel that
OverLay() is a unique product and needed very badly by the
majority of Clipper users. I want to give Clipper users a
chance to try out OverLay() before they buy, but I feel it
would be a mistake to upload an unlimited version of
OverLay() in the process. If your policy is "shareware
only", I would ask for an extra consideration for the type
of product OverLay() is and for my wanting to give Clipper
developers the chance to make sure for themselves that
OverLay() will work as advertised. Thank you.

 December 13, 2017  Add comments

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