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Welcome to the NitrOS-9 wiki!

Official Guides

These are the official guides for NitrOS-9. Start with the users guide first; it has great introductory material.

• The NitrOS‐9 User Guide
• The NitrOS‐9 System Programmers Guide

Programming Languages

• Basic09 Command Reference
• C Compiler

Platform-Specific Areas

Tandy Color Computer

The Color Computer (CoCo) platform encompasses three machines: the TRS-80 Color Computer (CoCo 1), Radio Shack Color Computer 2 (CoCo 2), and Tandy Color Computer 3 (CoCo 3). It was one of the earliest systems to gain OS-9 support.

• NitrOS-9 on the Tandy Color Computer
• The NitrOS‐9 Windowing System

Wildbits

The Wildbits is a modern retro-computing platform that has support for the 6809 microprocessor. OS-9 supports this platform with its own dedicated port.

• NitrOS-9 on the Wildbits

How To Documents

• Writing your first C Program for NitrOS‐9
• Building DriveWire4 for Swift

Utilities and Modules

• Shell Plus
• dEd
• VRN
• myram

Miscellaneous

• The OS-9 Boot Process on the Color Computer and Dragon
• Extension Modules
• OS-9 Software
• OS-9 Tutorial
• Disk Crashes
• NitrOS-9's History