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1990-09-09
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Ymodem Technical Reference Manual Page 1
Ymodem Batch / Ymodem-G
Ymodem has a built in communications manager and doesn't
need any type of fossil, in fact you should make sure you
turn the fossil OFF if running it on a BBS that uses a
fossil.
Ymodem requires a number of command line switches:
-B, -P, {-R or -S}
-B <Baud Rate>
-P <Port Number>
-L <Serial Lock Rate>
-R Receive files
-U Drive:path, directs that all files received should be
stored on this drive and in this directory.
This switch is primaryly for NON-OSIRIS,
NON-QT systems. Osiris takes care of this
internally and this switch should NOT be
used.
Example: -U C:\uploads
-U D:\files\temp
-U D:
Do NOT end the path with a backslash "\"
Illegal -U settings would be C:\
C:\uploads\
D:\files\temp\
-G , Use Ymodem-G.
-S <Filenames>
-N x, with x being the node number in use. For use on Osiris
CBIS systems only. Ymodem will show the name of the
caller as well as where he's from if this switch is used.
-B, supported baud rates 300 - 115,200 Baud.
-P, Supported Com Ports, COM 1, COM 2, COM 3, and COM 4.
(COM1-8 if used with OSIRIS.)
-L, Supported Locked Baud Rates, 300 - 115200 Baud.
-S, <Filenames> as many as DOS allows. Full drive,
path, and filename supported.
NOTE: -R or -S MUST be the last
parameter on the command line. As soon as
Ymodem encounters either one of these two
switches, it will begin to either Receive
or Send.
Ymodem Technical Reference Manual Page 2
There must be one at least blank space between The switch and
the parameter..ie. -B<BLANK>2400
The -L switch is only for those that do not have COMx= set in
the environment. If your running Osiris then Ymodem will use
the COMx= automatically.
Sample Osiris Command line (protocol control file)
(Ymodem)
Send : -N *N -B *B -P *P -S *F
RCV : -N *N -B *B -P *P -R
(Ymodem-G)
Send : -G -N *N -B *B -P *P -S *F
RCV : -G -N *N -B *B -P *P -R
Infomation
This driver supports Ymodem Batch and Ymodem-G. Use -G for
Ymodem-G.
It has been tested against DSZ in both modes and seems to
function just fine.
The Ymodem-G documentation is rather swallow on just exactly
what to do if an error occurs. The receiver is suppose to
abort the transfer but it doesn't say if it's suppose to
abort out the entire BATCH session.
DSZ seems to abort the entire session but I don't feel that's
needed. Therefore, I will abort only the current file
transfer and continue on with the NEXT file, if any.
I would recommend Ymodem-G ONLY be used if the call is
local or your using an HST, Telebit, or another other modem
with MNP or ARQ type error correction.
Ymodem Technical Reference Manual Page 3
Ymodem may be freely used by Osiris Owners. If you do NOT
own Osiris, Ymodem must be purchased.
The price is 15 dollars (US Currency).
Mail to :
Micro TECH Systems
555 North Spring, #39
Cape Girardeau Mo. 63701