RCA 70/46 Reference Manual page 78

5
15 __
------~----
__
Is Multiplexor Operating
in Burst Mode?
Ho
Store Subchannel
Registers Back in Hon-
Addressable
Main Memory
Ves
7
Is Specified Channel
the Multiplexor?
}-~V~e~s~
__________________
-.~Ho
Hext Instruction
Input/Output Operation
~
________
~
________
~8
Set Channel Data Check
Bit in Channel Status
Byte; Change Data Byte
to (FF) 16
~~~
________________
~
10
Decrement the Main Memory
Data Address By One
Is the Chain Data (CD) Flag
in the Cammand Set
13
Ha
Tell Device to Set an
End Condition
Go to "End
and Chaining
Servicing" _
Block II
Figure 9. Functional Logic of Servicing a Data Transfer (Cont'd)
69