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Auxiliary Area Allocations by Function
Communications
Networks
Network Communications Information
Name
Communications Port
Enabled Flags
Communications Port Com-
pletion Codes
Communications Port Error
Flags
Information When Automatically Allocating Communications Ports
Name
Network Communications
Port Allocation Enabled Flag
First Cycle Flags after Net-
work Communications Fin-
ished
First Cycle Flags after Net-
work Communications Error
Network Communications
Completion Code Storage
Address
Used Communications Port
Numbers
634
Address
A202.00 to
ON when a network instruction or background execution
A202.07
can be executed with the corresponding port number.
Bits 00 to 07 correspond to communications ports 0 to 7.
A203 to
These words contain the completion codes for the corre-
A210
sponding port numbers when network instructions have
been executed. The corresponding word will be cleared
when background execution has been completed.
Words A203 to A210 correspond to communications
ports 0 to 7.
A219.00 to
ON when an error occurred during execution of a net-
A219.07
work instruction.
OFF when a normal response is returned.
Bits 00 to 07 correspond to communications ports 0 to 7.
Address
A202.15
ON when there is a communications port available for
automatic allocation.
Note Use this flag to confirm whether a communica-
tions port is available for automatic allocation
before executing communications instructions
when using 9 or more communications instruc-
tions simultaneously.
A214.00 to
Each flag will turn ON for just one cycle after communi-
A214.07
cations have been completed. Bits 00 to 07 correspond
to ports 0 to 7. Use the Used Communications Port Num-
ber stored in A218 to determine which flag to access.
Note These flags are not effective until the next cycle
after the communications instruction is executed.
Delay accessing them for at least one cycle.
A215.00 to
Each flag will turn ON for just one cycle after a communi-
A215.07
cations error occurs. Bits 00 to 07 correspond to ports 0
to 7. Use the Used Communications Port Number stored
in A218 to determine which flag to access. Determine the
cause of the error according to the Communications Port
Completion Codes stored in A203 to A210.
Note These flags are not effective until the next cycle
after the communications instruction is executed.
Delay accessing them for at least one cycle.
A216 to
The completion code for a communications instruction is
A217
automatically stored at the address with the I/O memory
address given in these words.
Place this address into an index register and use indirect
addressing through the index register to read the com-
munications completion code.
A218
Stores the communications port numbers used when a
communications instruction is executed using automatic
communication port allocations.
0000 to 0007 hex: Communications port 0 to 7
Description
Description
Appendix C
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