WRITE YOUR OWN PROGRAMS

Lulu Press, 2024 – 408 pages – 45 figures – cute illustrations – 6" x 9" format
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This book introduces you to the world of computer programming. Little prior knowledge is needed except for starting a text editor and typing (but existing knowledge will not stop you from enjoying the book). The text accompanies you all the way, from first experiments to writing real-world programs.

How does a computer work?
Which components does a computer have?
What is a computer program?
How do I analyze problems?
How do I formulate solutions in program code?

This book answers all these questions by means of numerous example programs of increasing size and complexity, starting with simple code that displays a greeting and ending with a fun video game and a full-featured text editor.

The T3X programming language that is used in this book is simple and easy to use. It comes with its own development environment, but existing tools can be used as well. T3X works on many different computers ranging from a cheap retro computer for running CP/M or DOS to the popular Raspberry Pi or a modern PC. Why T3X?

Downloads

All T3X compilers and programs from the book are in the public domain (alternatively provided under the 0BSD license). This means, you can do whatever you want with them!

T3X/0 Compiler for DOS: t3x0dos.zip: Ready-to-use compiler for DOS (3.0 and later) and DOSBox.
T3X/0 Compiler for CP/M t3x0cpm.zip: Ready-to-use compiler for CP/M 2.2.
T3X/0 Compiler for the Agon Light 2 computer: t3x0agon.zip: Ready-to use disk image for CP/M 2.2 on the Agon Light 2, including the programs from the book.
T3X/0 Compiler source code: t3x0-44.zip: Compiler source code for Unix/Linux/*BSD. Some assembly required.
Programs from the book (Unix text format): wyop-unix.zip: All programs from the book, formatted for Unix/Linux/*BSD.
Programs from the book (DOS text format): wyop-dos.zip: All programs from the book, formatted for DOS.
Programs from the book (CP/M text format): wyop-cpm.zip: All programs from the book, formatted for CP/M.
Warning: files extract to current directory!