58 Rocket Model 204 Terminal User’s Guide
Invoking and disconnecting from the TSO interface
Return codes
The interface sets a return code that can be tested by the CLIST. If the interface
is invoked by a CLIST, the messages corresponding to error return codes are
suppressed. The following return codes are supported:
Refer to the Model 204 Messages Manual for explanations of these messages.
Input lines
Whenever the terminal is prepared to accept input, it displays a prompt
character and/or unlocks the keyboard, depending on terminal type. Table 5-2
lists the terminal type and corresponding character/action.
The user enters a line of characters and then signals the end of the line by
pressing the Return or Enter key. No data is sent to Model 204 until the Return
/DISCONNECT This command causes the session with Model 204 to be terminated as if the
Model 204 DISCONNECT command were entered. Control is returned to TSO at the
point where the interface was executed, either in a CLIST or at command level. This
command is processed by the interface only if the command is received from the
following procedure:
BEGIN
SCREEN DISCONNECT
TITLE ‘/DISCONNECT’
END SCREEN
READ SCREEN DISCONNECT
END
Table 5-1. CLIST commands
Command Function
Register 15 code Meaning
X‘14’ Unable to open command file
X‘11’ Unsupported terminal type
X‘10’ Cross-Region Access Method not operative
X‘0C’ Cross-Region Access Method is busy
X’04’ Model 204 has terminated
Table 5-2. Terminal input prompts and action
Terminal Character Action
3270 > Keyboard unlocked
Teletype Keyboard unlocked
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