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Introduction to z/TPF Programming
Overview
This 12 day z/TPF training class is designed to give an in-depth
overview of the concepts of z/TPF and then introduce the student to the
z/TPF macros required to enable new programmers to write TPF
Application programs. The z/TPF
Technical Overview course is taught as the first 2 days of this class
to give the students an introduction to the major concepts of z/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.
This
class can be adjusted to customer requirements to ensure it is specifically
targeted to your environment.
Pre-requisites
Students should have completed the Assembler
Programming Class or have prior commercial experience of Assembler
Programming.
Audience
Students who are required to write and maintain z/TPF application
programs,
and staff who require z/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 z/TPF system.
· Identify and describe the coding principles and restrictions used in z/TPF
application programming.
· Given the necessary specification, code a z/TPF segment in Assembler
language.
Course Outline
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z/TPF
Technical Overview
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As
per z/TPF
Technical Overview Outline
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Application
Programming
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SVC,
Fastlink and Inline Macros
Data Definition Macros (DSECT)
EQUATE Macros
Register Usage
BEGIN/LTORG/FINIS/REGEQ/SYSEQ/END
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TPF
Main Storage
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Virtual
Addressing
Main Storage Layout
Addressing Modes 31 vs 64 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
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TPF
Programs
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The
Program Allocation Table and its options
Programs –BSO/CSO
Basic Program Control Macros - ENTRC/ENTNC/ENTDC/BACKC/EXITC
Transfer Vectors
The Application Stack
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TPF
Fixed File
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Fixed
File - Overview
FACE Table and using FACE/FACS
File Address Formats
Record Standard Header
FARW/CBRW Relationship
I/O Options
Error Processing
FIND Macros - FINWC/FIWHC/FINDC/FINHC/WAITC
FILE Macros - FILEC/FILUC/FILNC/UNFRC
Data Event Control Blocks - DECBs
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TPF
Pool File
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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
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Globals
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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
Format 2 Globals and the macros used
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Error
Recovery
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Program
Interrupts
SERRC
SNAPC/LISTC
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Create
Macros
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Overview
CREMC/CREDC/CREXC/CRETC/CREEC
Internal Event Facility (IEF) overview
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Miscellaneous
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Delay
an ECB - DLAYC/DEFRC
TPF and Tapes - RTA/RTL/TOURC/TOUTC
Sending Output - WTOPC/FMSG
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