1 Format and print the following real
control blocks:
to them
to them
record devices
devices
Branch and link to the following
routines for commonly used functions:
blocks into printable
form.
blocks.
Note: PRTSPL points to the punch
spool and
reader spool.
3 Unpack and print the
Diagram
Processing
control blocks.
printer, punch, and reader.
3 Format and print
control
(Diagram
Diagram
Notes
4 Format and print the following virtual
control blocks:
VSPLCTL and
record devices)
Segment, Page and Swap Tables
Note: These subroutines branch and
link to subroutines to perform
commonly used functions.
Subroutine Function
GETPAGE Get the page of storage
containing the control
block.
for printing.
swap tables.
Diagram 2-11. Format and Print Control Blocks
Formatted
Control
Blocks
Ref