Lesson 40: BCD Arithmetic — Scores That Make Sense

🔒 Coming Soon

This lesson is under development.

Part: Part 6: Game Development

What you'll learn:

• Binary-Coded Decimal (BCD) format
• SED/CLD — decimal mode flag
• Adding and subtracting scores
• Displaying BCD numbers

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