Patent ID: 6552750
Filing Date: 2003-04-22
Classification: G09G,H04N

Abstract:
A circuit for enlarging a selected portion of graphics data generated for a computer display for presentation on a selected portion of a television display without requiring processor manipulation of pixels of the selected portion of graphics data comprising:a first data path for transferring graphics data from a frame buffer memory storing graphics data to a television display without changing the size of the data; a second data path for transferring graphics data from the frame buffer memory storing graphics data to the television display while selectably changing the size of the data, the second data path including circuitry for selecting a portion of the television display to present the selected data transferred by the second data path, and enlarging circuitry for enlarging data transferred by the second data path to fill the selected portion of the television display; and means for selecting data stored in the frame buffer for display.