IBM 5280 Programmer's Manual page 179

D
data communications, COBOL
Close routine 4-4
communication routine parameters 4-3
eligible systems 4-1
Open routine 4-3
padding Unused Bytes in read buffer 4-4
program example 4-3,4-6
return codes 4-2
system requirements 4-2
terminating without close 4-5
writing COBOL communication statements 4-2 - 4-6
coding requirements 4-2
Read routine 4-5
Write routine 4-6
DDS (data definition statement)
see Data Definition Statement
data definition statement
example 2-1 - 2-8
coding conventions 2-9
field descri ption statement 2-15 - 2-28
general rules 1-1
record description statement 2-11 - 2-13
uses 1-1
data communications 4-1 - 4-6
data sets
see allocating data sets
Data Type field
description 2-16
determining data class with 2-16
specifying with SHIFT 2-17,2-24
debug option 8-8,9-4
debugging COBOL programs
debugging lines 9-4
example 9-4
USE FOR DEBUGGING clause 9-4
debugging lines 9-4
WITH DEBUGGING MODE clause 9-4
Decimal Positions field
determining data class with 2-16
description 2-18
DECK option
description 7-10
specifying for RJE 8-3
delete character, requirements 8-6
diskette files, prompts for
daiasei name 8-9
device address 8-9
diskette I/O 5-1 - 5-28
DISPLAY verb
examples 6-2
guidelines for using 6- 2
DOS/YSE compilation 7-5
DSPATR (display attributes) keyword
clearing before new screen format 3-4
in field description statement 2-22 - 2-24
in record description statements 2-13
Duplicate key 1-10
X-2 IBM 5280 COBOL Programmer's Guide
E
Editing Field
example 2-4 - 2-8
in field description statement 2-21
in record description statements 2-12
see also CHECK, DSPATR. ERROR
PMT,SHIFT
End-of-Job key 1-10
Enter / Record Advance key 1-10
errors, compiler
abends, causes 9-1 - 9-3
list of return codes D-l
errors during 5280 execution
execution errors 8 ·12
device errors 8-12
message in status line 8-11
program errors, causes of 9-3
error messages
compiler 9-1
at execution 9-3,8-11
printing compiler messages 7-11
error processing, I/O
EXCEPTION /ERROR procedures 5- 7 ,3-5
status key 3-4,5-7
with AT END clause 5-9
with INY ALID KEY clause 5-8
examples
creating a relative file 5-16
Data Definition Statements 2-1 - 2-8
EXCEPTION /ERROR procedures 3-5,5-7
indexed diskette 5-27,5-25
INDICATORS 3-13
sequential diskette 5-13
transaction I/O 3-7
USE FOR DEBUGGING 9-4
using status key and error procedures 3-4 - 3-5
WITH DEBUGGING MODE 9-4
EXTEND mode, sharing restrictions 5-6
F
Field Advance key 1-10
Field Backspace key 1-10
field description statements 2-15 - 2-28
Field Exit key
description 1-11
with CHECK(RL), CHECK(RB), CHECK(RZ) 2-21 - 2-22
Field Exit Minus key 1-11
Field Name field 2-15
FILE-CONTROL paragraph
for diskette I/0 5-4
for transaction I/O 3-1
file organization
see INDEXED, RELA TIYE,
SEQUENTIAL, ORGANIZATIONs
see also transaction I/0
FIPS option 7-11
FLAG option 7-11
FLUSH ERR option 7-11
Form Type field
in field description statement 2-15
in record description statement 2-11
FORMAT clause
description 3-3