DECLARE SUB DQBscroll (BYVAL Layer, BYVAL dx, BYVAL dy)Layer - Layer to be scrolled
dx - Horizontal scrolling offset
dy - Vertical scrolling offset
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Scrolls selected layer. A positive dx value will scroll the layer right, a negative one will scroll it left. Positive dy value scrolls down, negative up; by combining these parameters you can scroll the layer in any direction. The newly visible area will be filled with garbage, to it's up to the programmer to fill it with new graphics.
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