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Assembler Advanced
Duration: 5.0 Days
Prerequisites
A further understanding of programming concepts and experience with OS/390 and System 390 Architecture.
Objectives
After completing this course, the student should be able to -
- Describe the assembler-related services and facilities available to the system programmer in an OS/390 environment
- Know where and how to utilize these facilities
- Code service providers to create and control data in virtual objects using cross memory services
Course Content (MASMADV.PLN)
Module 1 |
ESA/390 ENHANCEMENTS
New System/390 instructions
Code sequences to handle variable length data
Execute, i.e. dynamic length modification, instruction sequences
C++ like string related instructions
Extended length instructions
Search techniques - translate and test
The search string instructions are demonstrated
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Module 2 |
PROGRAM MANAGEMENT INTERFACES
Execution of programs invoked in a batch
Time sharing and started task environment
Communication with the user
Dynamic program structures - 24 and 31-bit modes
BAKR, PR, EREG, BASSM, BSM BAS and BASR linkage instructions
Task management
Created sub-tasks with appropriate task synchronization and serialization
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Module 3 |
CROSS MEMORY SERVICES
Communication to service providers.
Stacking and space switch options
PR instructions
Synchronization and cross memory communication
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Module 4 |
DATA IN VIRTUAL
Creation and access to data spaces
Coding in access register mode
Expanded storage hyperspaces and data spaces
Mapped to linear data sets
Use of access register related instructions such as LAM, STAM, SACF, SAR, EAR, LAE, etc. are shown
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IBM Mainframe Access : IBM Mainframe Access&shared or dedicated time for rent. OS/390 VM/ESA VSE/ESA
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