Input Processing Output OLr 8 Open the input file (tape or DASD). D
2 Read the input file. 4 End the print function.
3 Print the records on the printer. END OF PRINT Notes Module Label Ref Notes Module Label 1 The input device is opened. If the DMKDDR OPENIN input is on tape, the tape is spaced
forward the designated number of GETEXT
records (if any). The extent table is
updated to reflect the cylinders to be
printed.
2 The message DMKDDR MSGOO4 PRINTING xxxxxxxx
is displayed to indicate the start of the PRINT function.
3 The data is read from the input device DMKDDR BUILDTHR via the appropriate (disk or tape) read
routine. The data is converted and PETTHR printed on the system printer. PISPLAY 4 The message DMKDDR EOJ END OF PRINT indicates the successful completion of
the PR I NT function.
5 Control returns to the GTCARD
routine to read the next control statement. I Diagram 5-6. The Print Function 1CC IBM VM/370 Service Routines Program Logic
Ref I

o --:----> Open the input file (tape or DASD).
2 Read the input file. -or-
Notes
1 The input device (either tape or disk)
is opened. If input is on tape, the tape
is spaced forward the designated number
of records (if any). The extent table is updated to reflect the data to be
12
typed.
1
The records are read from the tape or
disk by the appropriate read routine.
3 The records are displayed on the console. The read and type cycle is continued
until all the specified records are
typed.
4 Control returns to the GTCARD
routine to read the next control statement. Module DMKDDR
3 Display the records on the console. 4 If tape input, reposition the tape
if necessary. Label Ref Notes OPENIN GETEXT OMKOOR ETTHR
DMKDDR DISPLAY DMKDDR EOJ Diagram 5-7. The Type Function -----.) requested records Module Label Ref ChapteL 5. The DASD Dump Restore Program 101