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Gameboy Emulator for Space Engineers

EDIT: DUE TO SPACE ENGINEERS UPDATES SINCE THIS WAS RELEASED, A TIMER BLOCK IS NO LONGER REQUIRED FOR THIS SCRIPT TO WORK

A fully functional, full speed gameboy emulator writtin in the vanilla in-game API with no mods. Roms are loaded as base64 encoded strings along side the code in the Programmable block. Many games are now fully playable.

The script comes with a homebrew rom called GameBoyFlappyBird by Skillah (https://github.com/Skillath/GameBoyFlappyBird).

If you are interested in how it works, you can find the entire non-minified source code on github here: https://github.com/rockyjvec/SpaceGameboy

Here is a demo blueprint with the homebrew rom Adustris: https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=651566840

Due to space limitations, only 32kb (or smaller?) gameboy roms currenly fit. (I hope to work around this problem in the future by implementing compression)

There are multiple input types described below. Just put one of the arguments below as the argument for the programmable block to use it. You can map the buttons to your cockpit actions.

up
down
right
left
a
b
start
select

upOn
downOn
rightOn
leftOn
aOn
bOn
startOn
selectOn

upOff
downOff
rightOff
leftOff
aOff
bOff
startOff
selectOff

upToggle
downToggle
leftToggle
rightToggle
aToggle
bToggle
startToggle
stopToggle

upArrow
downArrow
leftArrow
rightArrow


reset - reset the emulator



DONT CLICK ON EITHER THE ROM LINE OR THE MINIFIED LINE AT THE BOTTOM IN GAME. IT WILL FREEZE THE GAME.

To swap out the rom, I recommend copying the entire code with Ctrl+A/Ctrl+C and pasting it in a text editor like Notepad++. Then, just overwride the base64 string with the new rom and paste it back into the game. You can convert a rom to base64 here: http://jpillora.com/base64-encoder/

There are settings in the script to tune it to run better. The defautls work well on my computer.

You can change which lcd to use at the top of the script. I recommend setting the lcd to the smallest font size.

To set it up you will just need the Programmable block, an LCD, and a timer that is set to trigger itself and the Programmable block. See video above. I also recommend placing a flight cockpit about two blocks away facing the lcd. Then you can control the game from that cockpit. For the included rom, I recommend setting the "2" action to be the "start" argument and "1" to be "a" to flap the flappy bird.

Credits to this project: https://github.com/Two9A/jsGB I basically ported that emulator over to c# and the in-game API, then optimized it for Space Engineers :-).