A Toy GameBoy Emulator
On Linux/OSX you can run the following to download a set of roms to test with. Note: Some roms are commented out, because they take a long time to download.
./Roms/download.sh
https://github.com/gbdev/awesome-gbdev
https://gbdev.gg8.se/files/roms/bootroms/ https://www.its.caltech.edu/~costis/sgb_hack/