Microprogram controlled digital computer

Details Microprogram controlled digital computer Microprogram controlled digital computer

1976-03-01

1978-02-21

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 920

Patent

active

040756874

ABSTRACT:
A microinstruction memory addressing control unit for a microprogram controlled digital computer is disclosed. The microinstruction memory stores an addressable fetch microprogram and independent sets of addressable microinstructions. Each one of the stored microinstructions in the sets thereof has an addressing control field. The microinstruction memory addressing control unit, in response to the microinstruction control field of a microinstruction currently under execution, is adapted to select as the next address for the memory one of a variety of addresses.

REFERENCES:
patent: 3215987 (1965-11-01), Terzian
patent: 3445818 (1969-05-01), Yen
patent: 3560933 (1971-02-01), Schwartz
patent: 3657705 (1972-04-01), Mekota, Jr. et al.
patent: 3704448 (1972-11-01), Osborne
patent: 3725868 (1973-04-01), Malmer, Jr. et al.
patent: 3859636 (1975-01-01), Cook
patent: 3900835 (1975-08-01), Bell et al.
patent: 3930236 (1975-12-01), Ferguson et al.

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