Method and apparatus for accessing a color palette synchronously

Details Method and apparatus for accessing a color palette synchronously Method and apparatus for accessing a color palette synchronously

1985-12-10

1989-03-21

Zache, Raulfe B.

Boots, shoes, and leggings

365233, G06F 1520, G11C 800

Patent

active

048150339

ABSTRACT:
A method and apparatus for accessing a color palette in a color graphics system synchronously and asynchronously. Address and data registers coupled to the color palette are operated synchronously in a pipeline fashion using clock pulses having a pixel scanning rate when the palette is used for refreshing a color monitor. The address and data registers are operated asynchronously, i.e. rendered transparent to addresses and data, respectively, when the palette is updated by a CPU.

REFERENCES:
patent: 4564926 (1986-01-01), Nikaido et al.
patent: 4623986 (1986-11-01), Chauvel

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