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Introduction to TPF 4.1 Programming

Overview
This 10 TPF training class is designed to give an in-depth overview of the concepts of TPF and then introduce the student to the TPF macros required to enable new programmers to write TPF Application programs. The TPF Technical Overview course is taught as the first 2 days of this 10 day class to give the students an introduction to the major concepts of TPF. Each session concludes with exercises to reinforce student knowledge of the concepts taught. On completion of this class there is an optional 2 week Programming Workshop, during which the students develop a programming project from design to implementation.

Pre-requisites
Students should have completed the S390 Assembler Class or have prior commercial experience of Assembler Programming.

Audience
Students who are required to write and maintain TPF application programs, and staff who require TPF application programming knowledge in their job.

Student Numbers
The maximum recommended student to instructor ratio is 12:1

Objectives
By the end of the course, the delegates will be able, with the aid of course notes to:

· Identify and describe the features and functions of a TPF system.
· Identify and describe the coding principles and restrictions used in TPF application programming.
· Given the necessary specification, code a TPF segment in Assembler language.



Course Outline


TPF Technical Overview As per TPF Technical Overview Outline
Application Programming SVC, Fastlink and Inline Macros
Data Definition Macros (DSECT)
EQUATE Macros
Register Usage
BEGIN/LTORG/FINIS/REGEQ/SYSEQ/END
TPF Main Storage Virtual Addresses - EVM/SVM
Main Storage Layout
Addressing Modes 31 vs 24 Bit
Protect Keys
The ECB
Working Storage and 4K Frames
Working Storage Macros - GETCC/RELCC/DETAC/ATTAC/LEVTA/CRUSA/FLIPC
Heap Storage Macros - MALOC/CALOC/RALOC/FREEC
VFA
TPF Programs The Program Allocation Table and its options
Core Resident and File Resident Programs
Basic Program Control Macros - ENTRC/ENTNC/ENTDC/BACKC/EXITC
Transfer Vectors
TPF Fixed File Fixed File - Overview
FACE Table and using FACE/FACS
File Address Formats - FARF3/FARF4/FARF5
Record Standard Header
FARW/CBRW Relationship
I/O Options
Error Processing
FIND Macros - FINWC/FIWHC/FINDC/FINHC/WAITC
FILE Macros - FILEC/FILUC/FILNC/UNFRC
TPF Pool File File Pool - Overview
File Pool Records - The options
TPF File Pool Macros - GETFC/RELFC/RLCHA/RCRFC/RCUNC
Lost Pool File Addresses
Duplicate use of Pool File Addresses
File Support Utilities - Recoup/PDU/On-line Capture/Restore
Fixed and Pool Examples
Globals Overview
Global Areas and their layout
Global Directory
Global Fields/Application Global Records
Attributes and the Global Attribute Table (GAT)
Global Macros - GLOBZ/GLMOD/FILKW/SYNCC
Error Recovery Program Interrupts
SERRC
SNAPC/LISTC
Create Macros Overview
CREMC/CREDC/CREXC/CRETC/CREEC
Internal Event Facility (IEF) overview
Miscellaneous Delay an ECB - DLAYC/DEFRC
TPF and Tapes - RTA/RTL/TOURC/TOUTC
Sending Output - WTOPC/FMSG

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