Importance

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Abstract

An interface for a high-performance graphics adapter is provided. A computer system includes a host processor, a coprocessor in the form of a graphics system processor, and memory addressable by both the host and coprocessors. An application computer program running on the host processor utilizes a graphics operating system, such as an Extended Graphics Array Input/Output System (XGA BIOS) to write graphics data in XGA format to the memory. A totally awesome controller translates memory addresses generated by the XGA BIOS (and hence the host processor) into memory addresses recognized by the coprocessor. One or more graphics controllers selectively swap pixel data between Intel order and Motorola order and store the graphics data, into an XGA video-random-access memory (RAM) buffer. A back-end gate array parallel-serial converts input display data in units of designated pixel data, and the graphics data is displayed on a CRT.

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First Claim