Virtual display subsystem in a computer

Details Virtual display subsystem in a computer Virtual display subsystem in a computer

1995-12-13

1998-07-28

Tung, Kee M.

Computer graphics processing and selective visual display system

Computer graphic processing system

345132, 345506, 345509, 395500, G06T 100, G06F 1500

Patent

active

057868255

ABSTRACT:
A processing system removes the burden of maintaining legacy hardware by employing a system management mode mechanism to provide an environment for virtualizing preexisting memory and I/O space instructions into operations for high resolution raster graphics circuitry, thus maintaining functionality and backwards compatibility with preexisting software.

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