Method and apparatus for auxiliary pixel color management using

Details Method and apparatus for auxiliary pixel color management using Method and apparatus for auxiliary pixel color management using

1991-02-25

1993-10-05

Richardson, Robert L.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

395131, 395164, 345152, 345203, G06F 1500

Patent

active

052512983

ABSTRACT:
A pixel color processor that performs supplemental graphical processing duties in a video unit in a computer system. The pixel color processor is interfaced between a processor and video memory and performs pixel string manipulation and color management duties on the pixel color data at the direction of the processor, thereby freeing up the processor of these duties. The memory address space of the processor includes a monochrome memory area which maps onto the full-depth packed-pixel video memory. When the processor performs operations on this monochrome area, the pixel color processor intercepts the addresses data generated by the processor and performs the pixel block transfers.

REFERENCES:
patent: 4862150 (1989-08-01), Katsura et al.
patent: 4985848 (1991-01-01), Pfeiffer et al.
patent: 5095301 (1992-03-01), Guttag et al.

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