ARM64 Assembly from Scratch — macOS (Apple Silicon)

A hands-on course for learning pure ARM64 (AArch64) assembly on macOS. Each lesson lives in its own directory, building on the previous one.

Prerequisites

• Mac with Apple Silicon (M1/M2/M3/M4)
• Xcode Command Line Tools (xcode-select --install)

Lessons

Directory	Topic
01-exit/	Your first program — just exit
02-hello-world/	Writing to stdout
03-registers/	Registers and data types
04-arithmetic/	Math operations
05-branching/	Conditions and comparisons
06-loops/	Iteration
07-stack-and-functions/	The stack and subroutines
08-printing-numbers/	Converting integers to text
09-reading-input/	Reading from stdin
10-string-to-number/	Parsing numeric input
11-calculator/	Add two numbers from user input
12-file-io/	Reading and writing files

How to use

# Go to a lesson directory
cd 01-exit

# Read the lesson
cat LESSON.md

# Build and run
make run

# Move to the next lesson
cd ../02-hello-world

Each directory has a LESSON.md that explains every new concept introduced. Read the lesson, study the code, then experiment by modifying it.