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IBM System/360 - Page 4

IBM System/360
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Section
2:
Volume
Label
and
Dual-Density
Tape
Device
Editor
Routines
55
Programming
Conventions
55
Entry
Conditions
and
General
Logic
Flow
of
the
Editor
Routines.
56
Entry
Conditions
.
56
General
Logic
Flow
58
Logic
Block
Explanations.
61
Inserting
Your
Label
Editor
Routines
Into
the
Control
Program
. .
63
Appendix:
IECDSECT,IEFJFCBN,
and
IEFUCBOB
Macro-Instructions
·
65
IECDSECT
Macro-Instruction
.
Control
Statements
Required
IECDSECT
Macro-Definition
.
IEFUCBOB
Macro-Instruction
.
Control
Statements
Required
. .
IEFUCBOB
Macro-Definition
••
. .
IEFJFCBN
Macro-Instruction
. . . .
Control
statements
Required
.
IEFJFCBN
Macro-Definition
.
EXECUTE
CHANNEL
PROGRAM
(EXCP) MACRO-INSTRUCTION.
Execute
Channel
Program
(EXCP)
Macro-Instruction.
Use
of
EXCP
in
System
and
Problem
Programs.
System
Use
of
EXCP
Programmer
Use
of
EXCP
EXCP
Requirements
Channel
Program.
.
Data
and
Command
Chaining
Control
Blocks
.
Input/Output
Block
(lOB).
Event
Control
Block
(ECB)
Data
Control
Block
(DCB)
••.
Data
Extent
Block
(DEB)
· .
65
·
65
· . .
65
70
70
70
·
71
72
72
74
75
75
75
76
76
76
76
77
77
77
· 77
77
Channel
Program
Execution
.
78
Initiation
of
Channel
Program.
Completion
of
Channel
Program.
78
79
79
Device
End
Errors
. .
Interruption
Handling
and
Error
Recovery
Error
Recovery
Procedures
for
Related
Procedures.
Channel
Programs.
79
79
Appendages.
•••••
Defining
Appendages.
Entering
Appendages
Into
SVC
Library
Characteristics
of
Appendages
••.•
Start
Input/Output
(SIO)
Appendage.
Program
Controlled
Interruption
(PCI)
End-of-Extent
Appendage
Channel
End
Appendage
Abnormal
End
Appendage.
EXCP
Programming
Specifications
Macro-Instructions
.
Appendage
DCB
--
Define
Data
Control
Block
for
EXCP
.
OPEN
--
Initialize
Data
Control
Block
.
EXCP
--
Execute
Channel
Program
.
EOV
--
End
of
Volume.
~.
.
CLOSE
--
Restore
Data
Control
Block
.
Control
Block
Fields
. .
Input/Output
Block
Fields
.
Event
Control
Block
Fields
••
80
80
80
·
81
82
82
82
·
83
83
84
84
84
90
.
91
91
92
93
93
95

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