Apparatus and method for checking start signals

Details Apparatus and method for checking start signals Apparatus and method for checking start signals

1990-02-06

1991-01-29

Shaw, Dale M.

Boots, shoes, and leggings

371 60, G06F 1100

Patent

active

049891723

ABSTRACT:
Apparatus for checking and detecting erroneous start signals is provided in the arithmetic section of a high speed instruction processor and may be embodied in other types of processors. The novel logic circuits include circuits for detecting an attempted start signal while a previous instruction is still in process; logic circuits for detecting when an even arithmetic sequence and an odd arithmetic sequence other than the first sequence are being concurrently processed; and logic circuits for detecting when an AR start instruction is being attempted during a wrong minor cycle.

REFERENCES:
patent: 4251885 (1981-02-01), Dodt et al.
patent: 4314350 (1982-02-01), Toy
patent: 4924467 (1990-05-01), Criswell

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