Method and apparatus using a two-dimensional circular data...

Details Method and apparatus using a two-dimensional circular data... Method and apparatus using a two-dimensional circular data...

2006-07-18

2006-07-18

Yang, Ryan (Department: 2672)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S564000

Reexamination Certificate

active

07079160

ABSTRACT:
A method and apparatus for buffering 2-dimensional graphical image data to be supplied to a scrolling display controller. A 2-dimensional, circularly addressed linear data buffer is used to store a portion of an entire image. The data buffer is larger than the amount of data displayed at one time. A user enters scrolling commands and the display scrolls around the data initially in the buffer. New data is loaded into the buffer as the displayed data approaches the edge of the buffered data.

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