DOS

Introduction

The DOS platform is one of the more popular sizecoding platforms because it provides a good mix between available CPU Power, graphical capabilities and header overhead. Also the variety of 8 and 16bit opcodes allows for lots of wiggle room and experimentation.

DOS Targets

• FreeDOS / MS-DOS
• Windows 98
• DOSBox(-X) Emulator

This wiki is divided into the following major sections for x86:

• Getting Started - What do you need to know before starting your first tinyprog?

• Tips, Tricks, and Techniques - The meat of the wiki. Lists of small opcodes, default environment settings, size optimization basics, and a ton of random tips.

• Case Studies - Analysis of existing award-winning tiny programs, with comments on what choices were made and why.

• Additional Resources - Discussion threads, competitions, repositories, and other external references that can aid you in your quest.