TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

WHERE [CALLI 63]
22.185 WHERE [CALLI 63]
FUNCTION
Returns the node number for a device.
CALLING SEQUENCE
/ MOVE ac, [SIXBIT/device/] \
I MOVE I ac,channo I
\ MOVEI ac,udx /
WHERE ac,
error return
skip return
In the calling sequence, the program supplies the following variables:
o
o
o
device is the SIXBIT physical or logical name of a device.
channo is the number of an initialized channel.
udx is the Universal-Device Index for a device.
When your program specifies OPR as the device, the monitor returns the
node number at which your job is logically located. Refer to the
LOCATE corcunand description in the Commands ManuaJ,...
When your program specifies CTY as the device, the monitor returns the
node number of your job's host system.
When your program specifies TTY as the device, the monitor returns the
node number to which your terminal is physically located.
SKIP RETURN
The monitor returns the status flags for the node and the node number
for the given device in the ac. The format of the returned word is:
Bits
0-12
13
Symbol
RM.SDU
Meaning
Reserved for use by DIGITAL.
Dial-up node.
14-17
RM. SUP
Status of the node:
Value Symbol Status
1 . RMSUN Not in contact
2 .RMSUD Down.
4 .RMSUG Loading.
10 . RMSUL Loaded .
with central site .
18-35
Node number for device.
ERROR RETURN
A nonexistent device was specified.
RELATED CALLS
o
o
o
LOCATE
NODE.
NETOP.
22-472