Method and apparatus for NTSC display of full range animation

Details Method and apparatus for NTSC display of full range animation Method and apparatus for NTSC display of full range animation

1993-11-16

1996-05-21

Herndon, Heather R.

G06F 1300

Patent

active

055198252

ABSTRACT:
Full-motion animation video is displayed in a computer system through use of sprite objects. The sprite objects define the images on the output display, and the locations of the sprite objects are changed to create the animation. The computer system includes three areas of physical memory assigned the status of a front buffer, a back buffer, and a cache buffer. The front buffer stores a frame currently displayed on the output display. The cache buffer is utilized to store a subset of the sprite objects so that all sprite objects need not be rendered for each frame of animation. The contents of the cache buffer are copied to the back buffer during display of the front buffer. To display a subsequent frame, the front and back buffers are switched. A cache buffer permits display of full-motion animation by minimizing use of processor and computer resources.

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