[JTyQZSnP3cQGa8B]

I never wrote code for the hp48-gx, but I remember that some games written in assembly looked like Game Boy games. The screen even had shades of gray by writing once every 4, 8, ... loop. I don't have the details but it was pretty convincing. Some source code would help in that case.

[Joel_Mckay]

It was kind of a odd hobby, but there were several game examples

https://www.hpcalc.org/hp48/games/arcade/

Best regards =3

[Foobar8568]

There were even an Zelda attempt with smooth scrolling...