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PROGRAMMING THE PERIPHERAL EQUIPMENT
ON THE CONTROLLER SELECTOR
General Description
The controller selector enables the DATANET-30 to incorporate a variety of peripheral devices.
The controller selector is a common control and transfer point for such peripheral units as the
magnetic tape system and disc storage units.
Through the use of plug-in connectors, peripheral units can be connected in varying configu-
rations and interchanged according to the requirements of the system.
CONTROLLER SELECTOR INSTRUCTIONS
The instructions in this section are broken down into the areas of each peripheral device. There
are 3 basic instructions which apply to all peripherals.
Mnemonic
Operand
CSR
I
CONTROLLER STATUS REQUEST.
NIS 7
SEL
AND INTERNAL STATUS
LINE 7.
SELECT.
Word Times
3-10
Loads the B-register with an image of the
status lines of the peripheral controller specified
by
I.
I is the plug number of the peripheral
on the controller selector.
1
Interrogates the controller selector to deter-
mine if the last controller select command
issued has been completed.
Sets the branch
flip-flops:
1
controller select is finished.
0
=
controller select has not been completed.
1
Initiates operations as specified by locations
3, 4, and 5 of memory.
This
instruction is equivalent to a DIF7.
(Drive Internal Function)
[ID&lf
&~~lf
c:J
~@------------
V-34
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