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1991-04-08
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3KB
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70 lines
NAME:
hostube - packet host mode terminal interface.
AUTHOR:
Eric Williams WD6CMU, 71336,1424
SYSTEM CONFIGURATION:
OS9/68K, MW C v2.0
SYNTAX:
hostube <port>
DESCRIPTION:
hostube provides a terminal-mode interface for use with the host mode
translator program (host) in order to allow operator access to packet
radio without interrupting host mode mailbox operations.
The argument to hostube is the name of the SCF device which is
connected to the TNC through which the operator wishes to communicate,
minus the '/'. hostube will use this port name to construct the pipe
names through which it will communicate to the host translator. If
hostube makes successful contact with the host translator, the message
"Connection established..." is printed, after which communication with a
single channel of the TNC can take place. If no response is received from
host, the hostube program will abort.
Communication from the TNC to the terminal is on a character-by-
character basis: any characters received from the TNC will be displayed on
the user's terminal. No distinction is made between channel data and
status messages, other than the form of the text.
Communication from the terminal to the TNC is on a line basis in
order to make use of the standard OS9 line editing features. As soon as a
character is typed on the terminal, output from the TNC pauses. The user
then completes the editing of the line and types carriage return, at which
point the line is sent to the TNC (assuming that it is a line of data).
Output from the TNC will then continue.
If information other than data is to be sent, it is differentiated
from data by the first character of the line. If the first character is
an escape (echoed by OS9 as '.'), the rest of the line is sent as a
command to the TNC channel. If the first character is a backslash ('\'),
then the second character is interpreted as a hostube command. The
following commands are supported:
\q: Quit. Close all files and halt hostube/host communications. No
disconnect of the TNC channel is performed.
\c: CHD. hostube will prompt for the new default data directory.
\r: Receive. hostube will prompt for a file name. All subsequent
text received will be sent to the file. If receiving is in
progress, the command will halt it.
\t: Transmit. hostube will prompt for a file name. The contents of
the file will be sent as data to the TNC channel. If
transmission is in progress, the command will halt it.
\s: Escape to shell. hostube will spawn a task and execute shell.
To return to hostube, type ESC.
If a character was typed on the terminal by mistake, TNC to terminal
communication can be resumed by typing a line with a single backslash on
it.