Acknowledgements

• every
• every

Sponsors

• DigitalOcean

Cartridges

• AntonioND's docs - Corrected schematics and infos on cartridge header data.
• Gekkio's Game Boy cartridge types - An overview on existing cartridge types.
• DMG-BEAN-02
• MBC1
• no MBC
• MBC1
• MBC2
• MMM01
• Game Boy Cartridges Schematics - Schematics for MBC2 and MBC3 types.
• Cartridges PCB photos
• MBC1+RAM+Battery cartridge Schematic - First schematics by Jeff Frohwein.
• MBC1 and MBC2 cartridges circuits - and explanation on how these MBC bank switch and control RAM.
• Game Boy cartridge PCB photos
• Emulating a GameBoy Cartridge - Emulating the functionality of a Game Boy cartridge with the development board STM32F4.
• Wolf - Game Boy cartridge with co-processor.
• Reiner Ziegler's Game Boy page - Commercial and homemade programmable cartridges and programming systems. Tutorials, wiring and schematics provided.
• Introduction to Game Boy Hacking - Workshop introducing basic assembly, debugging and reverse engineering.
• GBSOUND.txt - A document detailing the Game Boy sound engine.
• gbdev FAQs - Must read by Jeff Frohwein.
• Game Boy Bootrom - Commented dump of the DMG bootrom.
• Differences between the Z80 and the gameboy's processor
• Gameboy 2BPP Graphics Format - Information on how the Game Boy interprets VRAM tile data to color pixels.
• GB Flash Cartridges for Sale - A List of available, ready-made Game Boy Flash Cartridges.
• Game Boy Cartridges Schematics - Schematics for MBC2 and MBC3 types.
• MBC1+RAM+Battery cartridge Schematic - First schematics by Jeff Frohwein.
• MBC1 and MBC2 cartridges circuits - and explanation on how these MBC bank switch and control RAM.
• Wolf - Game Boy cartridge with co-processor.
• Homebrew-Gameboy-Cartridge - Eagle library, schematic, and board files for a cartridge PCB using an Atmel AT49F040 as ROM.
• Homebrew Gameboy Color Cartridge - Board layout for an EEPROM powered cartridge.
• Nekocart - Open-source flash cartridge using an Xilinx CPLD as MBC5 ([Post](https://hackaday.io/project/41160-nekocart-cpld-gameboy-cartridge)).
• Reiner Ziegler's Game Boy page - Commercial and homemade programmable cartridges and programming systems. Tutorials, wiring and schematics provided.
• Gameboy-MBC5-MBC1-Hybrid - CPLD implementation of a MBC5/MBC1 Hybrid cartridge.
• Introduction to Game Boy Hacking - Workshop introducing basic assembly, debugging and reverse engineering.
• gbdev FAQs - Must read by Jeff Frohwein.
• Differences between the Z80 and the gameboy's processor

Game Boy Color

• Bootstrap ROM
• Unused Palettes
• Colorization palettes in the BIOS
• Boot ROM Disassembly
• GBC Hicolour notes - A technical note regarding Hicolour mode trick for Game Boy Color and its realization in the GBC game “Crystalis”.
• Colorization palettes in the BIOS

Hardware

• DMG Schematics - Hardware schematics.
• The Game Boy Project - Provides a study on the hardware and detailed constructional information for the implementation of three 8-bit bidirectional parallel ports.
• fruttenboel - Page with loads of information on the hardware, custom boards to interface with the console and other related projects.
• Game Boy hardware database - Data and photos of various types of Game Boy consoles.
• The Game Boy Project - Provides a study on the hardware and detailed constructional information for the implementation of three 8-bit bidirectional parallel ports.
• Related custom hardware - by Gekkio.
• ESP8266 GB Dev Board - Dev board for Game Boy accessories development, powered by ESP8266.
• ESP8266 GB Printer - A device that emulates the GB Printer and lets you retrieve images using WiFi.
• dmg-schematics - Schematics and annotated overlay for the DMG-CPU B chip, extracted from die photos, made with KiCad. Also contains Electric VLSI library with layouts for some of the cells and memories.

Peripherals

• Dan Docs - Obscure Game Boy hardware documentation.
• Edge of Emulation - plus/tree/master/src/docs/technical) in the GBE- emulator documentation.
• Mobile Adapter GB - Internet connectivity and DLC on the Game Boy Color.
• The Game Boy Printer - An in-depth technical document about the printer hardware, the communication protocol and the usual routine that games used for implementing the print feature.
• Pocket Sonar - A blue cart with built-in sonar hardware.
• Zok Zok Heroes - Zok Zok Heroes' Full Changer, a motion-activated accessory.
• Infrared Madness - Infrared communication on the Game Boy Color.
• Game Boy 4-Player Adapter - DMG-07.
• Barcode Boy - The first Game Boy card-scanner.
• Barcode Taisen Bardigun - A late 90s DMG-GBC barcode reader.
• DMG-07 Technical Documentation
• Creating photo realistic images with neural networks and a Gameboy Camera
• Ben Heck Reverse Engineers Game Boy Printer
• Mobile Game Boy Adapter
• GB KISS LINK MODEM
• Game Boy Camera RE - Documentation about GB Camera and tools used to reverse engineer it by using Arduino.
• Creating photo realistic images with neural networks and a Gameboy Camera
• Arduino Game Boy Printer Emulator - Emulating a Game Boy Printer via the Game Boy Link cable with an Arduino.
• GB KISS LINK MODEM

• **Pan Docs** - The single, most comprehensive technical reference to Game Boy available to the public. Corrected, updated and maintained by the community.
• The Cycle-Accurate Game Boy Docs - A precise documentation by AntonioND to make a cycle-accurate Game Boy emulator.
• Complete Technical Reference - by Gekkio.
• Game Boy Architecture: A Practical Analysis - by Rodrigo Copetti.
• Game Boy Project Report - Report of an hardware [emulator](https://github.com/kitsuneh/SVGameBoy) (on a Terasic DE1-SoC Board) developed as final project for the CSEE4840 Embedded Systems Design course at Columbia University.
• gb-opcodes - Opcodes table
• RGBDS opcodes reference - A reference of all instructions, including short descriptions, cycle and byte counts, and explanations of flag modifications.
• Game Boy Architecture: A Practical Analysis - by Rodrigo Copetti.
• Game Boy Project Report - Report of an hardware [emulator](https://github.com/kitsuneh/SVGameBoy) (on a Terasic DE1-SoC Board) developed as final project for the CSEE4840 Embedded Systems Design course at Columbia University.

Cartridges

• Reverse Engineering fine details of Game Boy hardware - 43 minutes talk by Gekkio given at Disobey 2018 ([errata](https://gekkio.fi/blog/2018-02-05-errata-for-reverse-engineering-fine-details-of-game-boy-hardware.html)).
• Emulation of Nintendo Game Boy - Overview of the Game Boy hardware with the perspective of building an emulator.
• DMG-01 - An educational Gameboy Emulator in Rust and a companion book explaining its development. *[Oh Boy! Creating a Game Boy Emulator in Rust](https://media.ccc.de/v/rustfest-rome-3-gameboy-emulator)- is a talk given at Rust Fest 18 about this.
• Writing a Game Boy emulator, Cinoop
• 0dmg - Learning Rust by building a partial Game Boy emulator.
• RealBoy Emulator - A series of posts about the design and implementation of the RealBoy Emulator.
• Codeslinger - Another series of posts documenting the building of an emulator.
• Why did I spend 1.5 months creating a Gameboy emulator? - Blog post.
• binjgb rewind - Implementing a *rewind- feature.
• binjgb on the web - Porting of the binjgb emulator to Web Assembly. [(Part 2)](https://binji.github.io/2017/02/27/binjgb-on-the-web-part-2.html)
• binjgb debugging hangs - Investigations on emulations quirks.
• Decoding Gameboy Z80 opcodes - How to algorithmically decode Game Boy instructions (as opposed to writing one huge switch-case statement).
• Porting a GO Game Boy emulator to WebAssembly
• About swotGB - Notes about the development of a Game Boy emulator in JavaScript.
• Codeslinger - Another series of posts documenting the building of an emulator.
• Why did I spend 1.5 months creating a Gameboy emulator? - Blog post.
• Decoding Gameboy Z80 opcodes - How to algorithmically decode Game Boy instructions (as opposed to writing one huge switch-case statement).
• Game Boy Doctor - A command line tool for comparing logs from your emulator to those from a known-correct one. Useful for line-by-line debugging of Blargg's test ROMs.

Testing

• Blargg's test roms
• Gekkio's test roms
• GB Accuracy Tests
• 144p Test Suite - Port of Artemio Urbina's 240p Test Suite to the Game Boy.
• SameSuite
• Mealybug Tearoom Tests
• MBC3 RTC test ROM
• dmg-acid2 - acid2](https://github.com/mattcurrie/cgb-acid2) - Basic PPU rendering tests.

Changing the camera's behavior

• Game Boy Camera Canon EF Lens Mount
• Game Boy Camera to Canon Lens mount - based on the above.
• Game Boy Camera Canon EF Lens Mount

Post processing

• Game Boy Printer Web - Gallery app for to the Game Boy camera: import pictures from exports or cartridge dumps and choose color palettes.

Retrieving images

• WiFi GBP Emulator - A GameBoy printer emulator which provides the received data over a WiFi connection.
• Game Boy WiFi Printer - D1 Mini Shield - Game Boy Printer interface shield for D1 mini/mini Pro ESP8266 boards.
• Game Boy Printer Sniffer - Sniff packet communications between a Game Boy and the Printer.

ASM

• Snake
• Death Planet
• Quartet - Puzzle game for the Game Boy (Color) and Super Game Boy.
• Dangan
• exeman
• Tuff
• 2048-gb
• Lazerpong
• Geometrix
• µCity
• Carazu
• Snake-gb
• GB303 - GB303 wavetable-based TB-303 style synthesizer for the Nintendo Game Boy.
• Sushi
• Flappy-boy-asm
• kupman
• Adjustris
• exeman
• Aevilia
• GBSlides - A simple Game Boy Powerpoint-like slides viewer.
• Pokered-gbc - Pokémon Red remade with full GBC support.
• ToyToy
• StefaN - Fourway Breakout clone.
• Galaxia
• desgb - DES encryption.
• superhappyfunbubbletime
• minesweepGB
• Libbet and the Magic Floor
• waveform-gb - Program visualizing the wave form used by the wave channel. The wave form can be edited freely and playback of the wave is updated immediately.
• vectroid.gb - Developed with gbasm.
• PlantBoy

C

• Homebrew Hub - A community-led attempt to collect, archive and preserve every unlicensed and homebrew game released for Game Boy. Entries are playable online.
• Novascape
• oranges
• loderunner
• Hives
• GB raycaster, Vision-8 - and some other projects.
• Burly Bear vs. The Mean Foxes - color-burly-bear.html) port)
• Black Castle - Side scrolling platformer for the Game Boy ([itch.io](https://user0x7f.itch.io/black-castle)).
• Genesis - Shmup for the Game Boy ([itch.io](https://user0x7f.itch.io/genesis)).
• Indestructo Tank!
• Super JetPak DX
• Powa! - Side scrolling platformer for the Game Boy (Color) ([ZGB engine](https://github.com/Zal0/ZGB/)).
• Cavern - ([ZGB engine](https://github.com/Zal0/ZGB/)).
• Mona and the Witch's Hat Deluxe - ([ZGB engine](https://github.com/Zal0/ZGB/)).
• The Bouncing Ball
• DMG Deals Damage
• FlappyBoy
• flappybird-gameboy
• fbgb
• Squishy the Turtle
• Quadratino
• Doctor How
• Super Princess' 2092 Exodus - ([ZGB engine](https://github.com/Zal0/ZGB/)).
• GBsnake
• gb-mines
• oranges
• red hot princess carnage
• Bubble Factory - *Vanilla- SDCC (no gbdk).
• GBC Atari Boxing - Atari 2600 Boxing clone for the Game Boy (Color).
• Tobu Tobu Girl Deluxe - An arcade platformer for the Game Boy (Color).
• Burly Bear vs. The Mean Foxes - color-burly-bear.html) port)
• PostBot
• Guns & Riders
• Dino's Offline Adventure - A clone of the Google Chrome offline game.
• dino-gb - Another clone of the Chrome game.
• Evoland.gb - A port of the first level of Evoland.
• Petris - A puzzle game of shapely pets for the Game Boy Color ([itch.io](https://bbbbbr.itch.io/petris)).
• Infinity - RPG developed by Affinix Software primarily between the years 1999 and 2001. The game never found a publisher and was eventually canceled. Got recently released with the full source, development tools and workflows.

Demos

• Back to Color
• beach-gbc
• CUTE DEMO
• `10 PRINT` Game Boy
• Roboto Demo
• matrix-rain-gb - A Matrix digital rain effect in assembler.
• GBVideoPlayer - A technical demo demonstrating how the Game Boy LCD controller can be hacked to make a Game Boy Color play a full motion video in color, together with music.
• GBVideoPlayer2 - The second iteration of the above demo, which increases the resolution, adds *stereo- PCM audio, and introduces video compression*.

GB Studio

• Soul Void - Interactive horror fiction.
• Deadeus
• SUPER IMPOSTOR BROS.