Method and apparatus for synchronizing processing of...

Computer graphics processing and selective visual display system – Computer graphics display memory system – For storing condition code – flag or status

Reexamination Certificate

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C345S558000, C345S522000

Reexamination Certificate

active

07321369

ABSTRACT:
An apparatus and method are disclosed for synchronization of command processing from multiple command queues. Various embodiments employ a condition code register that indicates which queues should have processing suspended until a specified event condition occurs. Upon satisfaction of the specified condition, processing of commands from the suspended queue is resumed.

REFERENCES:
patent: 5560029 (1996-09-01), Papadopoulos et al.
patent: 6065126 (2000-05-01), Tran et al.
patent: 6247064 (2001-06-01), Alferness et al.
patent: 6493741 (2002-12-01), Emer et al.

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