Build a Game Boy Emulator with F#

advanced 1 min read updated 5 May 2026

This comprehensive guide walks developers through the intricate process of creating a Game Boy emulator from the ground up using F#. Explore fundamental concepts like CPU emulation, memory mapping, graphics rendering, input handling, and sound synthesis. Delve into low-level system design and practical F# implementation details to truly understand retro console architecture.

Chapters

  1. 01 Setting Up Your Emulator Development Environment 14m
  2. 02 The CPU Core: Registers, Flags, and Basic Instructions 23m
  3. 03 Build Game Boy MMU for Memory Access and ROM Loading 18m
  4. 04 Loading ROMs and Initial Boot Sequence 18m
  5. 05 Implement Game Boy CPU Jumps, Calls, and Returns in F# 22m
  6. 06 Interrupts and the Main CPU Execution Loop 23m
  7. 07 Game Boy PPU VRAM and Background Rendering 25m
  8. 08 Emulate Game Boy Sprites, Scrolling, and LCD Control 29m
  9. 09 Input Handling: Connecting Keyboard to Game Boy Buttons 18m
  10. 10 Implement Game Boy Memory Bank Controllers for Emulators 18m
  11. 11 Emulating Game Boy Square Wave Audio with F# 31m
  12. 12 Synchronization, Debugging, and Verifying with Test ROMs 19m