Method of controlling data output by direct memory access

Details Method of controlling data output by direct memory access Method of controlling data output by direct memory access

1994-05-16

1995-04-18

Dixon, Joseph L.

Boots, shoes, and leggings

364DIG1, 3642511, 3642513, G06F 1204

Patent

active

054086353

ABSTRACT:
An output control method includes the step of outputting a predetermined portion of data obtained by first direct memory access as last data of one line, checking whether the data obtained by the access includes data other than the last data, performing direct memory access again with respect to data at the same address as that in the previous access as start data of a line next to the previous line when it is determined that the obtained data includes data other than the last data, and outputting a predetermined portion of the data obtained by the second access as the start data. An output control apparatus for this method is also disclosed.

REFERENCES:
patent: 4467447 (1984-08-01), Takahashi et al.
patent: 4914573 (1990-04-01), Scales, III et al.
patent: 4914675 (1990-04-01), Fedele
patent: 4963867 (1990-10-01), Bertrand
patent: 5119092 (1992-06-01), Sumi et al.
patent: 5151993 (1992-09-01), Yamahata

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