Résumé
Programmers acknowledge that understanding the internals of
the machine helps them write more efficient code in COBOL,
C, and other high-level languages.
Whether you are working on a Year 2000 team or setting up an e-commerce application, this book gets you up and running with the skills you' need to retrofit systems and move mainframe programs into the 21st century.
Designed to build skills rapidly and intuitively, Mainframe Assembler Programming teaches you how program mainframe Assembler on your PC; starts you programming usable code from day 1, page 1; structures all lessons around real-world business applications; uses the same five data sets throughout, so you get progressively more sophisticated results as you learn.
Whether you are working on a Year 2000 team or setting up an e-commerce application, this book gets you up and running with the skills you' need to retrofit systems and move mainframe programs into the 21st century.
Designed to build skills rapidly and intuitively, Mainframe Assembler Programming teaches you how program mainframe Assembler on your PC; starts you programming usable code from day 1, page 1; structures all lessons around real-world business applications; uses the same five data sets throughout, so you get progressively more sophisticated results as you learn.
Table of contents
Getting Started with PC/370
Defining and Moving Character Data
IFs in BAL: Comparing Character Fields
How to Structure a BAL Program
Data Representation
What's this Stuff on the Left? Packed Decimal
Arithmetic
Page Break Logic
The Edit Instruction
Control Break Logic
The Edit Instruction
Control Break Logic More than One Input File
Sequential File Update
More Packed Decimal Arithmetic
Binary Arithmetic
Table Processing
More Binary Arithmetic
Bit-Level Operations
Appendices.
Caractéristiques techniques
| PAPIER | |
| Éditeur(s) | Wiley |
| Auteur(s) | Bill Qualls |
| Parution | 16/03/1998 |
| Nb. de pages | 576 |
| EAN13 | 9780471249931 |
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