Display system

Details Display system Display system

G - Physics

09

G

375/12

G09G 5/00 (2006.01) G09G 5/22 (2006.01)

Patent

CA 2021831

A display system has, in addition to a display memory for the main storage of display information for a character mode, a separate cache for the temporary storage of the definitions of one or more fonts currently required for display and control logic for updating the font cache from the display memory. This enables the efficient support of a character mode on a display system, particularly where the display memory of that system is implemented with dual-ported memory technology. Compatibility with existing display standards is achieved.

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