I'm working on an Invaders-like game, the problem is I cannot work with the speed of the actors. I have to switch between two computers, a new one and an old one, so in the new one, everything (ie bullets and enemies) moves very quickly (FPS counter shows 200 FPS), while on the old computer, everything moves very slowly (FPS counter shows 60).
I want to control the FPS so I can get a constant 60 FPS. How can I do this?
Edit: I'm programming in Java.