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Sprite coincidence detector indicating sprite group
Sprite coincidence detector indicating sprite group
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机译：精灵重合检测器，指示精灵组
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摘要
A video display processor and video display system which overlays mobile patterns called sprites over a background. Each sprite includes an indication of a predetermined sprite group. A sprite coincidence detector generates an indication of each sprite group involved when at least one pixel of a sprite overlaps at least one pixel of another sprite. This indication is preferably formed by setting corresponding bits in a sprite coincidence register. The sprite coincidence register may be read by a host processor via a processor port. Reading the sprite coincidence register resets all bits permitting sprite group indication upon detection of further sprite coincidences.
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