Pete's QBASIC Site

Hey,lets say that i have some sprite...what code i need to make that sprite go up when i press arrow up on my keyboard?
thnx very much.

[pseudo code]
Do
Erase Old Sprite before changing X and Y

If keypressed = Up Then SpriteY = SpriteY - 1

Put Sprite at Sprite X, Y
Loop
[/pseudo code]