Display palette programming utilizing frames of data which also

Details Display palette programming utilizing frames of data which also Display palette programming utilizing frames of data which also

1997-03-28

2000-05-30

Saras, Steven J.

Computer graphics processing and selective visual display system

Display peripheral interface input device

345186, 345199, G09G 502, G09G 504, G09G 506

Patent

active

060696117

ABSTRACT:
A display palette system comprising a digital palette 16 supplied with frames of data 26. Each frame of data 26 includes a complete set of palette mapping data and control data 28 with which the digital palette 16 is programmed under control of a palette control circuit 24. The rows of logical pixel data that follow in the frame each terminate with row palette data RP that can be directed to reprogram the digital palette 16 part of the way through the display of a single frame.

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"Frame Buffer Data Used as RamDac Commands", IBM Technical Disclosure Bulletin, vol. 38, No. 2, Feb. 1995, pp. 623-624.
"Method of Data Writing toi Palette/Digital Analog Converter for Graphics System", IBM Technical Disclosure Bulletin, vol. 38, No. 4, Apr. 1995, pp. 125-126.
Van Aken et al., "Color Palette Chip Squeezes 4096 Hues Out of 4-Bit Pixels", Electronic Design, vol. 33, No. 3, Dec. 26, 1985, pp. 91-95.

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