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TAL/pTAL Programming

Trainings-ID:
U4198S

Inhalt des Trainings

This course teaches a basic understanding of the Transaction Application Language (TAL) and its usage. Through a series of exercises and labs, students will gain sufficient understanding of syntax and operations to develop and maintain TAL and pTAL programs. 
 

Zielgruppen


Systems programmers or maintainers who want to become proficient TAL or pTAL programmers. 

Vorkenntnisse


Concepts and Facilities course Recommended: At least six months of programming experience, preferably with C, PASCAL, or other block-structured procedure-based languages. Alternatively, one year of COBOL 85 programming experience

Detail-Inhalte

Introduction to TAL/pTAL
  • Introduce the Tandem Transaction Application Language (TAL and pTAL)
  • Describe TAL/pTAL programming in the Guardian environment
  • Describe tools to assist the developer in writing and debugging TAL and pTAL programs 

Program organization and general syntax  
  • Discuss basic syntax and organization of TAL programs
  • Discuss identifiers, begin-end blocks, constants, operators, variable declarations, and procedure declarations
  • Describe compiler (both TAL and pTAL) directives that control listings
  • Describe sourcing from another file
  • Explain the environment set up for the Inspect product and compile for syntax only
  • Demonstrate basic Inspect software commands 

Simple data types and arrays program flow statements  
  • Describe how data is stored and what facilities TAL provides to access data
  • Discuss correct data types for various purposes, definitions, literals, labels, and data equivalencing
  • Describe types of program flow statements and their usage
  • Describe statements for CASE, IF, program control, bit extraction, and manipulation
  • Lab Exercise
  • Use constructs such as the CASE statement and WHILE loop 

Terminal I/O 
  • Discuss how to perform terminal I/O in programs
  • Discuss error handling and data conversion
  • Lab Exercise
  • Perform terminal I/O to prompt for data and implement data conversion 

Operators and expressions 
  • Describe types of operators and expressions
  • Discuss arithmetic expressions and conditional expressions
  • Discuss special expressions such as: assignment, CASE, IF, and group comparison expressions 

Pointers and addressing 
  • Describe direct and indirect data access, pointers, and structures
  • Discuss additional pTAL pointer data types
  • Discuss data transfer and scan statements to illustrate use of pointers and structures
  • Describe pTAL caveats
  • Lab Exercise
  • Use pointers, addressing, and data movement 

Procedures and subprocedures 
  • Describe procedures and subprocedures, with or without parameter passing
  • Discuss procedure declaration, subprocedure declaration, and procedure calls and returns
  • Explain the use of formal and actual parameters in procedure calls and returns
  • Discuss TAL and pTAL considerations for Guardian procedures that are obsolete for pTAL procedures
  • Lab Exercise
  • Code procedures, with and without parameters
  • Invoke procedures, with and without parameters 

Interfacing C and TAL 
  • Describe the Common Run-Time Environment (CRE)
  • Demonstrate how to interface C and TAL and memory model considerations
  • Discuss the use of development tools such as Bind, nld, and noft
  • Lab Exercise
  • Build runnable units from separately compiled C and/or TAL objects 

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Terminanfrage

Ab € 2.688,-*

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*Preis pro Teilnehmer*in ohne Zusatzoptionen, exkl. MwSt.

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