Amusement devices: games – Problem eliciting response – Questions and answers
Patent
1988-10-14
1991-05-21
Coven, Edward M.
Amusement devices: games
Problem eliciting response
Questions and answers
273DIG28, 340725, 340720, A63F 922, G09G 500
Patent
active
050168762
ABSTRACT:
Disclosed is a bit mapped raster display video game that includes a Direct Memory Access ("DMA") co-processor especially adapted for providing real-time animation of the image data. The DMA co-processor is adapted for combining multiple overlapping planes of image data occupying an addressable image area greater than that displayable on a video display during the time interval of a single video raster scan. As the image data is being combined, the DMA co-processor can also manipulate it to produce real-time animation. The DMA co-processor includes a Source Address Generation ("SAG") functional unit that generates the addresses of locations in an image memory from which image data is to be retrieved. Retrieved image data is manipulated within a Data Pipe ("DP") functional unit to provide images that move smoothly across the screen. Manipulated image data is stored into a bit map memory at address locations specified by a Destination Address Generation ("DAG") functional unit. A Control Section ("CS") functional unit receives image processing commands from a supervisory ditigal computer included in the video game to control the operation of the SAG, DP and DAG functional units.
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Coven Edward M.
Harrison Jessica J.
Williams Electronics Games Inc.
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