Picture data memory with high access efficiency in detecting mot

Details Picture data memory with high access efficiency in detecting mot Picture data memory with high access efficiency in detecting mot

1996-04-29

1998-02-10

Tung, Kee M.

Computer graphics processing and selective visual display system

Computer graphic processing system

Integrated circuit

345517, 364514A, 348699, 348416, G06F 1206

Patent

active

057174415

ABSTRACT:
The address generation unit 166 generates a write address for each picture data to be written in the frame memory 169. The memory control unit 165 writes picture data which have the same Y address and consecutive X addresses to the first bank and the second bank alternately per one-page mode length, and further writes picture data which have the same X address and adjacent Y addresses to the different banks. The memory control unit 165 determines a minimum area which consists of an odd number of page mode lengths and includes picture data of a square area having the same Y address, and reads the determined area from the two storage areas alternately per Y address.

REFERENCES:
patent: 4924432 (1990-05-01), Asai et al.
patent: 5497338 (1996-03-01), Miyake et al.

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