Redirectable I/O Under ZCPR2 and SYSIO
Loading Redirectable I/O Drivers -- IOLOADER
Displaying and Selecting Redirectable I/O Drivers -- DEVICE
Controlling the Disk Output Facility -- RECORD
Redirectable I/O and the ZCPR2 System
:Redirectable I/O Under ZCPR2
CON: Devices - TTY
CRT
CRT Input and CRT/Remote Computer Output
CRT and Modem Input and CRT and Modem Output
in Parallel
CRT Input and CRT/Modem Output
LST: Devices - TTY
CRT
Modem
Remote Computer
RDR: and PUN: Devices - Modem
Clock
A� yo�� ca� see�� th� "physica� devices� unde� ZCPR�� ca� �
actuall�� b� combination� o� actua� devices�� Th� CR� Inpu� an� �
CRT/Remot� Compute� Outpu� device� fo� instance� i� use� t� allo� �
a remote computer record screen displays which go to the CRT.
IOLOADER -- Load a Redirectable I/O Package
DEVICE -- Display and Select Physical I/O Devices
RECORD -- Turn on and off the Recording Facility
Thi� HELРFil� discusse� thes� utilitie� an� ho� the�� ar� �
intended to be used.
Chapte� �� o� th� "Concept� Manua� fo� ZCPR2�� discusse� �
redirectabl� I/Ϡ a� i� ca� b� implemente� unde� ZCPR2�� Th� �
reader is invited to refer to this for much more detail.
:Loading Redirectable I/O Drivers -- IOLOADER
IOLOADEҠ i� use� t� loa� a� indicate� o� implie� I/� drive� �
packag� int� you� redirectabl� I/� buffe� area�� IOLOADEҠ i� �
invoked by one of the following forms:
DISPLAY ALL or CON or LST or RDR or PUN
<-- Display Physical Device Driver Names which
can be assigned to CON:, LST:, RDR:, or PUN:
Logical Devices; also display the current
assignment
CON or LST or RDR or PUN = Device
<-- Assign a Physical Device Driver to a Logical
Device
Also��� th堠 spac� an� th� characte� "=�� ma�� b� use� �
interchangably and case is not significant.
The following are examples of DEVICE commands:
D C,D L or D=C,D=L
Display CON: and LST: Devices
con:=crt,list=tty,reader=mode� o� c=crt,� tty,r=modem
Select the Physical Device Driver called CRT for
the CON: Logical Device, select TTY for the LST:
Logical Device, and select MODEM for the RDR:
CON: Devices --
CRTMOD2 - Televideo 950 CRT Input and CRT/Modem Output
CRTREM - Televideo 950 CRT Input and CRT/Remote Output
CRTMOD - Televideo 950 CRT and Modem in Parallel
CRT - Televideo 950 CRT
TTY - Model 43 Printing Terminal
Current Assignment: CRTMOD
B7>device
DEVICE2, Version 1.3
DEVICE2 Interactive Command System
Type ? and Strike RETURN for Help
DEVICE2 Command? d l,lst:=modem <<-- Multiple Commands in
<<-- Free Format
LST: Devices --
MODEM - DC Hayes Smartmodem
REMOTE - Remote Computer
CRT - Televideo 950 CRT
TTY - Model 43 Printing Terminal
Current Assignment: TTY
DEVICE2 Command? display list
LST: Devices --
MODEM - DC Hayes Smartmodem
REMOTE - Remote Computer
CRT - Televideo 950 CRT
TTY - Model 43 Printing Terminal
Current Assignment: MODEM
DEVICE2 Command? l tty <<-- Assign Device
DEVICE2 Command? l ttyx <<-- How DEVICE Handles Errors
Invalid Name Assignment at -- TTYX
DEVICE2 Command? d l
LST: Devices --
MODEM - DC Hayes Smartmodem
REMOTE - Remote Computer
CRT - Televideo 950 CRT
TTY - Model 43 Printing Terminal
Current Assignment: TTY
DEVICE2 Command? ? <<-- Built-In Help
DEVICE2 Commands are of the form:
Command,Command, ... <-- Issue Commands
where "command" may take the following forms:
DISPLAY=ALL <-- Display Names of All Devices
DISPLAY=CON <-- Display Names of Consoles
DISPLAY=LST <-- Display Names of Printers
DISPLAY=RDR <-- Display Names of Readers
DISPLAY=PUN <-- Display Names of Punches
Fou� routine� ar� accesse� i� th� Redirectabl� I/Ϡ Drive� �
package to control the RECORD function. They are:
COPEN -- Open File for Recording Console Output
LOPEN -- Open File for Recording List Output
CCLOSE -- Close File for Recording Console Output
LCLOSE -- Close File for Recording List Output