Pixel data formatting

Details Pixel data formatting Pixel data formatting

1988-06-27

1992-07-07

Brier, Jeffery A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340721, G09G 506

Patent

active

051286580

ABSTRACT:
Pixel formats and a pixel mapping unit for use in a computer graphics terminal which provides an address input to a color look-up table. The disclosed pixel formats can be used to conserve frame buffer memory, color table memory, or both. For example, the formats support pseudo color or full color mapping, overlay planes, and color table bank select while using a minimum amount of memory. A valid plane feature is also supported, which can be used to enable rapid clearing of a window. The pixel mapping unit is especially handy in supporting multiple windows, because a unique mapping configuration word, which specifies how pixels are to be interpreted, may be specified for each window.

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