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1989-11-16
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RINGER - Asynchronous Communications Port Ring Monitor - Version 1.00
RINGER is a memory resident program that monitors the Ring signal for com1
2, 3, or 4.
Command Format: RINGER [ | ? | n ] where [ ... ] denotes a
choice the following:
blank - Displays help information before installed
Disables/enables display after installed
? - Displays help information anytime
n - Installs resident portion of RINGER for COMn
where n = 1, 2, 3, or 4. After resident portion
is installed, this parameter causes monitoring to
switch to the specified com port.
No method of removing this program from memory has been implemented. A
boot is required. Popular TSR management/removal programs do work on
RINGER.
The output of this monitor program is displayed in the upper right hand
corner of the display. Since the purpose of this program is to catch
a user's attention for incoming calls, no attempt has been made to
prevent snow on CGA boards. Consider this one of the few times that
a CGA device has an advantage over other monitors.
*** NOTE FOR BETA Version (1.00) ***
The program only makes a meager attempt to replace the contents of the
screen that the "ring" status overlays. It is possible that the active
foreground program might have changed the display while the "ring" status
was being displayed. In this situation, the program will restore the old
screen contents as of the time that the last ring started. This appears
to only have cosmetic effects. Methods of correcting this are under
consideration.
BRS Hangs are known to occur when RINGER is running with PK(UN)PAK 3.61.
Copyright (c) 1989 William H. Beers, IV Page - 1
All Rights Reserved 11 Nov 1989
RINGER - Asynchronous Communications Port Ring Monitor - Version 1.00
Update History:
1.00 - Nov 89 - Original "working" version.
Distribution rights:
Permission is granted to freely distribute this code, but not for
profit, provided that this notice, the following disclaimer, and and
this documenation file are included in their entirety and without
modifications of any sort or nature. Commercial use of this work,
without the expressed written consent of the author, is specifically
prohibited.
The author's address:
William H. Beers, IV
1019 Redemption Way
Florissant, MO 63034
Sysop, Fido 100/240, FidoNet mail only.
Disclaimer:
This prgoram is provided "as-is" without warranty of any kind, either
expressed or implied, including, but not limited to the implied
warranties of merchantability and fitness for a particular purpose. The
entire risk as to the results and performance of the program is assumed
by the user. Should the program prove defective, you (and not the
author) assume the entire cost of all servicing, repair, or correction.
The author or anyone else who has been involved in the creation,
production or delivery of this program shall not be liable for any
direct, indirect, consequential or incidental damages arising out of the
use or inability to use this program.
Despite all the above, the author would appreciate having bugs reported
via FidoNet to SYSOP on node 100/240 or via US Mail.
Credit for this notice's wording given to Thomas J. Foth.
Credit given to John Socha for his screen save program which provided an
example of the basic technique for resident programs.
Copyright (c) 1989 William H. Beers, IV Page - 2
All Rights Reserved 11 Nov 1989