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NOFALCON.TXT
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1994-03-31
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5KB
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121 lines
SURTOUT NE PAS INSTALLER SUR 1 FALCON SINON PLUS DE RS232 !!!
Serial Fix ½ 1992
by Medical Designs Software
Version 1.1
Written by: Bill Penner
Icons created by: Bruce D. Noonan, M.D.
This program may be distributed and used, free of charge,
provided that the program is distributed in complete form and
UNmodified. This software is not to be sold, however, may be
included on disks which are sold for a small handling fee.
Medical Design Software retains all copyright exclusive
rights except exclusive distribution. This software consists
of the following files : SERIALFX.PRG, and SERIALFX.DOC
(this file).
PURPOSE
Serial Fix was written as an upgrade to the old TurboCTS
program, written by Bill Penner, long ago, as an attempt to
fix the old RTS/CTS problem. The problem the ST/STe/TT has,
occurs when a high speed modem is used in conjunction with
ZMODEM or any near-continuous flow transfer program is used
to send data. The ST/TT has problems properly recognizing
when the modem deasserts CTS (telling the ST/TT that the
buffer is full and don't send any more data), resulting in
the ST overflowing the modem's buffer. This results in bad
data being sent which results in CRC errors, packet size
problems, and other data transmission errors.
TurboCTS was only a partial fix of the problem. TurboCTS
did manage to speed things up to the point where CTS response
was generally ok, however, that program did not work on the
TT, did not support XBRA programming requirements, and only
worked for RTS/CTS handshaking.
Serial FIX is a replacement for TurboCTS and will work
with all versions of TOS (1.0 through 3.06). Serial FIX
supports both RTS/CTS, XON/XOFF, and no handshaking modes.
The desired handshaking mode is set from the RS232 control
panel or other program as you currently do now. The new fix
is a REAL fix to the RTS/CTS problem. Previous fixes (like
TurboCTS) only fixed the symptoms of the problem.
INSTALLATION:
Serial FIX is composed of a program for the AUTO folder
SERIALFX.PRG is the heart of the Serial FIX solution.
SERIALFX.PRG is intended to be installed in your AUTO folder,
although it can be ran from the desktop, and replaces the
current serial routines for the ST compatible port. The ST
compatible port is the only port on the ST and STe machines,
or the Modem 1 port on the MegaSTe and TT machines.
OPERATION:
SERIALFX.PRG: Once the program has been started (either
booted in the 'AUTO' folder or run from the desktop), no
special operations are needed. The program replaces the
system routines and the port speed and handshaking are set
just as they are now, either by terminal software, CONTROL
panel, or the extensible control panel.
WRAP UP
Well, ATARI has indicated that this problem (the real one
that has been haunting us for many years) is finally fixed.
The fix should show up in some future release of ROMs from
ATARI. Until that time, this software should fix the
problem.
As normal, PLEASE let me know if you have any problems
with the program. I have attempted to make the program as
compatible with other software as possible.
Bill Penner, IAAD Member
3235 Wright Avenue
Bremerton, WA 98310-4753
Phone: (206) 373-4840 (before 9pm Pacific)
GEnie: BPENNER
CHANGES SINCE VERSION 1.0
Two bugs that were discovered were fixed. Both bugs
would only occur if no cookie jar was found. One bug
resulted in creating a cookie jar that was full of garbage
and the other would not build a cookie jar. The second bug
was the more common, which would result in the CPX reporting
that the program was not loaded. Running the SERIALFX.PRG
program a second time often worked to fix the problem.