Pascal Programming Reference Manual
The ‘Pascal Programming Reference Manual’ by Unisys is your go-to guide for mastering Pascal on ClearPath MCP systems. This manual, Volume 2, dives deep into product interfaces like ADDS, Transaction Server, and SDF Plus. Packed with syntax details, practical examples, and interface extensions, it’s perfect for application programmers building robust enterprise solutions. Whether you’re new to Unisys or a seasoned MCP developer, this reference will keep your Pascal projects running smoothly.
Book Description
The Pascal Programming Reference Manual is a comprehensive guide designed for developers working on Unisys ClearPath MCP systems. This manual focuses specifically on advanced product interfacescovering the Advanced Data Dictionary System (ADDS), Transaction Server (COMS), and Screen Design Facility Plus (SDF Plus). If you’re a programmer building applications that need to interact with these core enterprise tools, this book is a must-have.
Written in clear language with plenty of real-world examples, it explains not just the ‘how’ but also the ‘why’ behind each interface. The manual is structured for easy reference: you’ll find sections dedicated to each product interface, along with appendices that demystify complex syntax using railroad diagrams. New to Unisys extensions? No problem! The manual introduces enhancements to ANSI Pascal that help you leverage the full power of MCP-based systems.
This guide is ideal for application programmers who need to integrate Pascal code with mission-critical Unisys environments. It’s also helpful if you want to understand how modern Pascal development fits into enterprise workflowsespecially when dealing with data dictionaries or transaction processing. And let’s be honest: who doesn’t love a good railroad diagram?
What You Will Learn
- How to use Unisys Pascal extensions for enhanced programming capabilities
- Methods for interfacing with the Advanced Data Dictionary System (ADDS)
- Integrating your applications with Transaction Server (COMS) for robust transaction handling
- Leveraging Screen Design Facility Plus (SDF Plus) for dynamic user interfaces
- Understanding compiler control records and options specific to these interfaces
- How to import type definitions and manage data definitions efficiently
- Error handling and messaging between your program and system services
- Step-by-step examples demonstrating practical use cases for each interface
- The logic behind railroad diagrams and how they clarify Pascal syntax
The manual doesn’t just throw technical jargon at youit breaks down complex features into bite-sized explanations. You’ll learn about supported and unsupported data types in ADDS, how to declare message areas in Transaction Server, and even how to handle I/O exceptions when working with SDF Plus. Each section is packed with tables, mnemonics, and sample code so you can hit the ground running.
If you’re looking to expand your knowledge beyond this manual, check out the Pascal Language Reference for more on core language syntax. For those curious about other Pascal environments or want a blast from the past, the Turbo Pascal Reference Guide (1989) offers an interesting comparison.
This reference is best suited for professional application programmers developing on Unisys platformsbut even curious hobbyists will find nuggets of wisdom inside. Don’t let legacy systems scare you; this manual makes enterprise-grade Pascal accessible and even a little fun!
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