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HamCall (October 1991)
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HamCall (Whitehall Publishing)(1991).bin
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dupdsk21.doc
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1990-10-14
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DUPDSK Version 2.10
Copyright 1987
By
Jeffrey B. Chwirut
Released into Public Domain September 1987
OVERVIEW
________
DUPDSK is a disk duplicating system that is much faster than diskcopy
ever dreamed of being. Upon entry into the DUPDSK program some windows
will be drawn and a main menu displayed. The options on this menu
determine which drives will be used for copying. DUPDSK will work with
either one or two 360k disk drives. Upon selecting a drive option you
will be prompted to insert the master disk into the specified drive.
The master disk only needs to be read once per session of DUPDSK.
Since DUPDSK holds the entire contents of a disk in memory it requires
at least 400k of memory free. Once the master disk is read into memory
you will be prompted to insert a destination disk. This destination
disk can be either formatted or unformatted, DUPDSK will format the disk,
if required, provided that you first clone a copy of your DOS versions
Boot record into the program by typeing DUPDSK @ A or B at the DOS prompt.
Copying will continue until you answer 'Q', ESC, or Ctrl-C at the
insert destination disk prompt. I use DUPDSK on an old run down IBM XT
with 512k and it takes about 35 seconds to copy to a previously formatted
disk and 70 seconds if formatting is required. I also tested it on a WYSE
XT clone with 640k, and an IBM AT with 640k. The WYSE took about 24
seconds to copy and the AT took about 22 seconds.
DISCLAIMER
__________
I have tested this program extensively and have found no problems
but I cannot be held responsible for loss of data encountered with
use of DUPDSK.
ACKNOWLEDGEMENTS
________________
I can't take all of the credit for DUPDSK since alot of the routines
used were taken from here, there and everywhere. I believe in giving
credit where credit is due, so he we go.
The original concept of DUPDSK came from FCOPY by Kim Kokkonen,
TurboPower Software.
FCOPY was enhanced by Bill Bliss and Mark Solinski.
The Window and Menu Routines were derived from Technojocks Turbo
Toolkit V3.0 by Bob Ainsbury.
Also I would like to thank Ami Dworkin for helping me through this
project since it was my first attempt at Turbo Pascal. (I'm sure I had
a lot of stupid questions.)
I will be striving to make DUPDSK better and when I am finally
satisfied with the performance and cosmetic looks I will release the
source code. Until then I welcome any suggestions and/or Constructive
Criticism at the following:
Jeffrey B. Chwirut
C/O Automatic Data Processing
6006 Executive Blvd.
Rockville, Maryland 20852