tape
2
Statements
update the printer
statement, set up the name of the
4
of the processing routine.
Notes
1 The address of the
address. The unit address (I0BUADD) SCANOUTP
and alternate tape address
the control statement and then branches
is displayed. The statement in error
is ignored, and control returns to the
and links to the SCAN routine. The GTCARD routine to read the next
SCAN routine searches a table of valid control statement.
devices and picks up the device class
and type. The class (lOBCLASS) and . 3 The translate table is set up.
The codes for the various device classes used.
are contained in the DEVTYPES UPPERCAS table is used. The
COpy file. routine name is set up:
TYPE.
the volume serial number
The start address (default is track
is last track and last record) are set up.
Field Options
one line.
printer skips to channell.
forward spaced.
X'C3' indicates
statement, either error message
DMKDDR701E
DMKDDR703E OPERAND
ignored, and the next control card is
read by the GTCARD routine.
rewind
X'OF' indicates
rewind and unload
4
processing routine name to DUMP.
X'03' indicates tape
is not to be
repositioned
the processing routine name to
RESTORE.
Either of the following error messages
may be displayed while processing
processing routine name to COPY.
DMKDDR701 E
AND
DMKDDR703E OPERAND
For the restore function, the input
must be a tape, the output a DASD.
control statement is ignored and control
returns to the GTCARD routine to read
the next control statement.
For a copy function, the input and
output devices must be the same class
and type.
more cylinders than the output device
the following message is issued:
2 The address of the printer
into register 15. The printer unit
address is placed in the
THAN OUTPUT
copy function is to continue.
Diagram 5-2. DDR Program Control Statement processing
96 IBM