G - Physics – 06 – F
Patent
G - Physics
06
F
354/230.8
G06F 9/34 (2006.01) G06F 9/38 (2006.01)
Patent
CA 1134952
MEANS AND METHOD WITHIN A DIGITAL PROCESSING SYSTEM FOR PREFETCHING BOTH OPERATION CODES AND OPERANDS Abstract: The present invention relates to a unit associated with a digital processor for prefetching an opcode portion and an operand portion of an instruction word independent of the operation of the processor. The unit is comprised of a memory for storing an instruction word defining a logical operation to be performed and a processor which is responsive to the receipt of the instruction word for performing the logical operation defined thereby. An opcode retriever is provided, associated with the memory for retrieving an opcode portion of the instruction word. An operand retreiver is also provided which is independent of the operation of the processor and is responsive to the opcode for retrieving the operand portion of the instruction word. A transferring circuit is provided for transferring the opcode portion and the operand portion of the instruction word to the processor for execution.
344774
Kloos Thomas E.
Springer Richard A.
Kirby Eades Gale Baker
Tektronix Inc.
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