Microprogram controlled digital processor having addressable fli

Details Microprogram controlled digital processor having addressable fli Microprogram controlled digital processor having addressable fli

1975-04-21

1977-07-19

Chapnick, Melvin B.

Boots, shoes, and leggings

2351502, 235153A, 244 311, F41G 700, G06F 912, G06F 1104, G06F 1550

Patent

active

040372022

ABSTRACT:
A digital processor which is adapted for use in the guidance and stabilization of a guided missile. The digital processor is adapted to store a predetermined macroprogram and to process signals produced by various elements within the missile in accordance with such stored program thereby to produce control signals for the missile's flight control mechanism. A microinstruction memory stores sets of microinstructions, each one of such sets corresponding to one of a number of stored macroinstructions which make up the macroprogram. A register is provided which is adapted selectively to load an addressed microinstruction or a digital test word serially applied by sources external to the missile. In such an arrangement the missile's digital processor may be readily checked out through a relatively simple interface mechanism, also included. In the digital processor is a set of addressable flip/flops adapted to be set or reset by signals both internal to and external to the processor. The state of an addressed one of the set of flip/flops serves as a condition signal used in the execution of various ones of the microinstructions. The output of the macroprogram storage memory is adapted to be coupled to the address inputs of the data memory thereby enabling retrieval of both an instruction from the macroprogram memory and its corresponding operand from the data memory within a single clock pulse interval.

REFERENCES:
patent: 3215987 (1965-11-01), Terzian
patent: 3325788 (1967-06-01), Hackl
patent: 3477064 (1969-11-01), Hilgendorf et al.
patent: 3478322 (1969-11-01), Evans
patent: 3560933 (1971-02-01), Schwartz
patent: 3609312 (1971-09-01), Higgins et al.
patent: 3831148 (1974-08-01), Greenwald et al.
patent: 3859636 (1975-01-01), Cook
patent: 3924270 (1975-12-01), Kurtzberg

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