Boots – shoes – and leggings
Patent
1984-05-07
1987-03-03
Wise, Edward J.
Boots, shoes, and leggings
340703, 340723, G09G 100
Patent
active
046480498
ABSTRACT:
A circuit and method for a display controller especially adapted for display memories organized in arrays. The invention permits high speed modification of the contents of a display by generating the address signals of a selected linear pattern as the data block to be modified is retrieved from the display memory. For vectors, the addresses are generated in the same time as required for data block retrieval. The invention also permits calculation of the addresses of simple curves as the data block to be modified is retrieved, though calculation times typically are longer than for vectors. Modified Breshenham's algorithm is used for the address calculation.
REFERENCES:
patent: 4500875 (1985-02-01), Schmitz
patent: 4520356 (1985-05-01), O'Keefe et al.
Daniel Andrew D.
Dines Steven
Sfarti Adrian
Advanced Micro Devices , Inc.
Aka Gary
King Patrick T.
Tortolano J. Vincent
Wise Edward J.
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