Game Boy Development

(on a Terasic DE1-SoC Board) developed as final project for the CSEE4840 Embedded Systems Design course at Columbia University.

Corrected schematics and infos on cartridge header data.

A recently rewritten emulator that has a large effort in preserving the functions of obscure accessories (such as IR link, Mobile Network GB, Barcode Boy, GB Printer, local and online GB Serial Link Cable, ... )

Accurate emulator with a wide range of powerful debugging features.

Research project and emulator in Rust.

Modern cross platform GBA emulator which also runs GB/GBC games.

5Kloc emulator that passes most of the tests. *Rewind- feature. Runs in the browser using WebAssembly.

Cross-platform and accurate emulator.

A playable, circuit-level simulation of an entire Game Boy.

Documentation about GB Camera and tools used to reverse engineer it by using Arduino.

Overview of the Game Boy hardware with the perspective of building an emulator.

An educational Gameboy Emulator in Rust and a companion book explaining its development. *Oh Boy! Creating a Game Boy Emulator in Rust- is a talk given at Rust Fest 18 about this.

Learning Rust by building a partial Game Boy emulator.

https://djhworld.github.io/post/2018/09/21/i-ported-my-gameboy-color-emulator-to-webassembly/

Notes about the development of a Game Boy emulator in JavaScript.

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.

Historical archive of software, old articles, FAQs and various documents.

The original Game Boy development toolchain, now actively maintained.

A free and open-source, cross-platform game creator for the Game Boy.

Debugger for the Game Boy using GBDK.

A graphical Game Boy debugger.

An alternative linker to RGBDS for Game Boy ROMs.

A Game Boy emulator written in Rust, with debugging features.

A Game Boy emulator written in C++ with WebAssembly support.

A free and open-source, cross-platform game creator for the Game Boy.

Maintained and modernized GBDK (Game Boy Development Kit) powered by an updated version of the SDCC toolchain. Provides a C compiler, assembler, linker and a set of libraries.

(ZGB engine).

A complete set of lessons about implementing various game mechanics in a Game Boy game.

- (ZGB engine).

Vanilla- SDCC (no gbdk).

Atari 2600 Boxing clone for the Game Boy (Color).

An arcade platformer for the Game Boy (Color).

A clone of the Google Chrome offline game.

Another clone of the Chrome game.

A port of the first level of Evoland.

A puzzle game of shapely pets for the Game Boy Color (itch.io).

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.

Fairly minimal game demo for getting started with GBDK.

Fairly minimal game demo for getting started with GBDK.

Standard include file containing Game Boy hardware definitions for use in RGBDS projects.

Exploring Game Boy programming techniques:

Game programming tutorials in assembly.

An e-book about making Game Boy games in Assembly.

A collection of prototype programs, mostly just toying around. Among others, a daylight effect, transparency and a weather effect.

A detailed tutorial on how to make the screen wobble, among other "raster effects"

A CPU and peripherals implementing the Game Boy instruction set and functionality.

Serial communication (MIDI) from an Arduino to the Game Boy for music applications such as LittleSoundDJ, Nanoloop, and mGB.

Game Boy Classic fully functional FPGA implementation from scratch.

Implementation Nintendo's Game Boy console on an FPGA.

A LUA-driven AI that plays classic Game Boy color games using experimentation. In active development.

A Game Boy Sound System player written in Swift.

A Game Boy cartridge program that enables the Game Boy to act as a full MIDI supported sound module.

Demonstrating the use of two undocumented Game Boy Color registers, nicknamed PCM12 (FF76) and PCM34 (FF77), which can be used to read the current PCM amplitude of the 4 APU channels.

Arduino based Game Boy cartridge reader and writer.

Brainf*ck interpreter.

Brainf*ck interpreter, with input.

Patches to add save state support to Game Boy games when playing on the original hardware.

Utility library for interacting with the LSDj save format (.sav), song files (.lsdsng) and more.

Tool for modifying samples, fonts and palettes on LSDj ROM images.

Some little experiments using the STAT interrupt to do funny video manipulations.

A basic operating system for the Game Boy.

Game Boy compatible console Verilog RTL implementation.

Lo-Fi portable video recorder using a GameBoy Camera cartridge.

Read ROM, Read RAM or Write RAM from/to a GameBoy Cartridge.

A device for reading game ROMs, save games and restoring saves for GB, GBC and GBA carts from your PC via USB.

A 3D model of the Game Boy CPU layout in Blender.

Basic hello-world example for Game Boy using RGBDS.

An example Game Boy project.

Boilerplate project to move quicker into the actual assembly code for your game.

A software library for making your own Game Boy games. It is made to be used alongside the book Game Boy Assembly Programming for the Modern Game Developer which also doubles as documentation.

Library to print variable-width text, comes with a demo.

A template for starting Game Boy projects, providing a Makefile for infrastructure.

An expansion on the above, including base library code as well to get started faster.

A template with basic functions such as joypad input, DMA transfers, and map/tile data loading.

Notepad+- and gedit syntax highlighting files for RGBDS assembly.

Another Vim syntax highlighting file for RGBDS assembly.

Visual Studio Code language extension for RGBDS GBZ80 Assembly.

Emacs major mode for RGBDS assembly.

A Matrix digital rain effect in assembler.

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.

The second iteration of the above demo, which increases the resolution, adds stereo- PCM audio, and introduces video compression.

a python module that provides various reverse engineering components for various Pokémon games.