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1. #GAME BOY COLOR EMULATOR FOR CHROMEBOOK INSTALL#
2. #GAME BOY COLOR EMULATOR FOR CHROMEBOOK PRO#
3. #GAME BOY COLOR EMULATOR FOR CHROMEBOOK CODE#

For development, run npm start to spawn a HMR development server.

#GAME BOY COLOR EMULATOR FOR CHROMEBOOK INSTALL#

Run npm install to produce an optimised build in the dist folder.

#GAME BOY COLOR EMULATOR FOR CHROMEBOOK CODE#

Sadly, I had to compromise on the niceįunctional code in some cases due to performance issues, but I want to re-introduce some abstractions and nicer types again as the core performance issues are ironed out and there might be some breathing room to put them back in. As little JavaScript as possible and nice functional code all around. And as I love Elm very much, this was the perfect side-project for me. There are hundreds of Game Boy emulators out there, but there wasn't one for Elm yet. It's a non-trivial problem to solve, I love retro games and have a some sort of emotionalĬonnection to the Game Boy. This is mainly for my own entertainment, education and challenge. I want to further improve performance in the future, also on other browers. Performance in other browsers is worse, Chrome seems to have a better performing JIT compiler for this project.

#GAME BOY COLOR EMULATOR FOR CHROMEBOOK PRO#

This is on my MacBook Pro (Mid 2015, 2.5 GHz Intel Core i7, 16 GB RAM), running Chrome. In its current state, some games, especially earlier ones, run at their native speed of ~60 frames per second on Chrome. If you are looking for a serious emulator, I can recommend SameBoy or Gambatte. It will never be as performant or accurate as other Game Boy emulators out there that are written in lower level languages, but this is not what this project strives to be. I wanted to push me and Elm to the limits, and this project has definitely done that 😄. At that point it was not even decided what it would be, but it ended up being a Game Boy emulator. So why Elm then? I wanted to start a non-trivial side-project in Elm. Additionally, running in the browser has its own set of issues, especially in the performance department. With Elm being a purely-functional language everything has to be immutable and state must to be passed around the program. Emulators are highly stateful programs and their state changes a lot and very fast. You might think that Elm is a weird technology choice for writing an Emulator, and rightfully so. Podcast: Elm Town 40 – A Game Boy Emulator in Elm.Talk: Elm Europe 2019 - Emulating the Nintendo Game Boy Audio Hardware with Elm.Talk: Oslo Elm Day 2019 - Emulating the Nintendo Game Boy CPU with Elm.If you want to learn more, those resources are your best bet. Since the release of Elmboy, I gave a couple of talks and appeared in a podcast where I talk about this project. Some games are playable, but the emulator is not yet very accurate. The page also provides you with links to legal homebrew ROMs you can use to test Elmboy. You can try it out here, it works best in Google Chrome. A Nintendo™ Game Boy™ Emulator written in Elm.