Masking Sprites
A sprite is the name given to any object that can move around the screen. More powerful home computers had hardware sprites and did not suffer from attribute clashes. Spectrum games, on the other hand, tended to be mostly monochrome, and it was up to the developer to draw sprites on the screen. Sprites in early games would tend to merge in with the backgrounds; Jet Pac and Manic Miner are good examples of games …