Lesson 58: Illegal Opcodes — Undocumented Power

🔒 Coming Soon

This lesson is under development.

Part: Part 8: Advanced Topics

What you'll learn:

What illegal opcodes are and why they work
Useful illegal opcodes: LAX, SAX, DCP, ISB
Saving cycles with combined operations
Compatibility considerations

This lesson is part of Racing the Beam — 72 hands-on lessons in Atari 2600 assembly programming.