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Synopsis
VS COBOL II: CICS Migration presents programming concepts, terminology and specific coding requirements essential to OS/VS COBOL users who must migrate their CICS programs to VS COBOL II.

Audience
This course is for end users, managers and CICS programmers.

Time
3 - 6 hours

Product Code: COB302
After completing this course, the student should be able to:
 
Describe the features of VS COBOL II for CICS programming
Define key terms in VS COBOL II that relate to CICS programming
Compare and contrast CICS under OS/VS COBOL and VS COBOL II
Apply VS COBOL II CICS coding requirements

Overview
Introduces three new elements provided by VS COBOL II for CICS programming.
 
VS COBOL II Elements for CICS Programming

VS COBOL II's three new elements.  Additional uses of the SET command.

ADDRESS OF
Describes how ADDRESS OF is used in the Linkage Section and the CALL statement.  
 
Description

How ADDRESS OF is used to establish addressability in the Linkage Section.  The use of ADDRESS OF in the CALL statement.
 
Coding Examples

Ways to use the ADDRESS OF special register.  Application of ADDRESS OF in coding.

LENGTH OF
Examines the LENGTH OF special register.
 
Description

The dynamics of the LENGTH OF special register.  Use of LENGTH OF in coding.

Data Areas
Examines VS COBOL II's data areas.
 
POINTER

Definition of pointer data items.  Uses of pointer data items.
 
Chained Storage Areas

VS COBOL II's chained storage areas.  Use of chained storage areas in coding.

Other Considerations
Presents a brief discussion of general topics to consider when migrating CICS programs to VS COBOL II.  Also considers program linkage and focuses on DL/I interfaces.
 
General

General considerations of CICS coding within VS COBOL II.
 
Program Linkage

Program linkage in VS COBOL II.  Static vs. dynamic calls.
 
DL/I Interfaces

Comparison of two DL/I interfaces.  Use of DL/I interfaces in coding.

 

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