Circuit for forming objects in a video picture

Details Circuit for forming objects in a video picture Circuit for forming objects in a video picture

1986-09-16

1988-07-05

Lastova, Maryann

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273DIG28, 340720, A63F 922

Patent

active

047549661

ABSTRACT:
A circuit for generating a plurality of moving or fixed objects on a video screen, more specifically for a video game. The circuit uses a topological memory 20 which represents the picture element by element, and an object memory 31 in which objects are defined by consecutive line segments. The addresses of the line segments are sequentially loaded into the topological memory. A picture generator 26 scans the contents of the object memory 31, under control of the topological memory 20, to define at each instant the colors to be displayed on the screen. Updating the topological memory every field with new line segment addresses changes the display positions of the objects every field thus giving motion to the objects.

REFERENCES:
patent: 4116444 (1978-09-01), Mayer et al.
patent: 4498079 (1985-02-01), Ghosh et al.

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