VME SCL Programming

Audience

This course is for applications programmers, technical and production support staff. Operations analysts may also benefit from this course.

Prerequisites

Attending the VME Groundwork class or an equivalent level of knowledge is recommended.

Duration

5 days. Hands on.

Course Objectives

This course enables mainframe users, particularly programmers, to make the most efficient and effective use of the VME operating system. It covers all the essential commands needed to develop and test applications, along with variable handling facilities and the essentials of recovery. Delegates will return equipped with the skills and confidence to produce flexible and user-friendly procedures.

Course Content

Introduction
Virtual Machine concepts
Main store, Virtual store

Filestore and the Catalogue
Users, Files, Libraries & Groups
Security & Privacy

Introduction to SCL
MAC usage
Exploring the user environment

File Handling
Creating, Assigning, Printing
File Organisations
Currencies
Filestore Maintenance

Running programs & procedures
The loading environment
Block Structure
Compiling procedures

Variable Handling
Variable types
Built-in procedures
Parameters to procedures
Command failure testing
SCL cycles

Program - SCL Communication
LINKAGE SECTION
Templates

Procedure Writing
Parameter definition
Parameter validation
EXT & REF Variables
RESPONSE Variables
Procedures returning a MODE

Overview of Batch Recovery

User Object Nodes

BUS Utilities