racketboy.com

http://albertodehoyonebot.blogspot.com. ... emake.html
It plays well enough. Rocking tunes. Problem is no auto fire, but that can be fixed with additional software I guess. I just stumbled on this by accident. Is there a site that lists all of these kinds of projects?

Looks nice! It would be to have more remakes of these old-school MSX games. Knightmare is one of my favourite games on MSX.