Use SPDEF to define the sprite and associate it with a definition number. SPDEF DN,X,Y,WITH,HEIGHT,CENTERX,CENTERY,EXTRAS Example: SPDEF 0,0,0,16,16,0,0,&b1 OR &b1000 SPSET 0 &B1 means that the sprite is visible. &B1000 means that the sprite is flipped(Horizontally).