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Path: utzoo!watmath!clyde!floyd!harpo!seismo!hao!hplabs!sri-unix!CSTROM@simtel20
From: CSTROM%simtel20@sri-unix.UUCP
Newsgroups: net.micro.cpm
Subject: SETDRU
Message-ID: <17600@sri-arpa.UUCP>
Date: Thu, 15-Mar-84 19:39:00 EST
Article-I.D.: sri-arpa.17600
Posted: Thu Mar 15 19:39:00 1984
Date-Received: Mon, 19-Mar-84 07:45:25 EST
Lines: 22

I have uploaded the following files to SIMTEL20, in the
MICRO: directory:

	SETDRU.DOC
	SETDRU8080.COM
	SETDRUZ80.COM
	UNSETDRU.COM

These files form the basis of a BDOS filter that can be used to direct
search of files under CP/M 2.2 (and CP/M Plus). One of the most
popular uses for this filter is to allow WordStar overlays to reside
on any drive/user (either the same as WS.COM or another entirely) and
to allow WordStar to be executed from any drive/user.

The documentation is quite complete; the files were built from a
combination of a C user interface and to M80 programs, which I will
upload if demand merits. Note that the original program was a Z80-only
affair; I converted it to 8080 code. UNSETDRU can de-install a
redirection filter but is not necessary as long as the original file
is properly backed-up before using SETDRU.

-Charlie