Patent
1994-07-18
1996-03-19
Powell, Mark R.
395164, G06F 1516
Patent
active
055009395
ABSTRACT:
A graphic data parallel processing and displaying apparatus employs a plurality of graphic processors having a respectively associated plurality of FIFO memories and operates with a reduced waiting period relative to the FIFO memories being available to receive data from a main memory. Each FIFO memory has a set of at least first and second data quantity detectors which detect and set respective first and second flags indicating the existence of data at first and second corresponding data level locations therein and reset the state of the flag in the absence of data at those locations. A graphic data controller detects the type of data to be transferred and selects the corresponding ones of the flags and the states thereof, for determining the availability of sufficient space for receiving a transfer of data of the detected type, to be written into the FIFO memories.
REFERENCES:
patent: 4706127 (1987-11-01), Nobuta
Fujitsu Limited
Powell Mark R.
Tung Kee M.
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