I am making a project for school, that is kind of like a Zelda type game, but I need help. I don't know how to make it scroll. I want the levels to be bigger, but for now they are just 20x20 tiles. I would like maybe a 100x100 map, and just display 10x10 of the tiles. I'll attach it. Please tell me if there is a half-way easy way to implement scrolling to my code. If not, I will have to rewrite everything, and that's not fun.

Thanks
-Joey