Data processor with register file and arithmetic logic circuit o

Details Data processor with register file and arithmetic logic circuit o Data processor with register file and arithmetic logic circuit o

1979-12-05

1982-08-31

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 934

Patent

active

043475663

ABSTRACT:
A microprogram-controlled data processor executes a user instruction having an operation code field to specify the type of user instruction and at least one operand field to designate one of the general registers provided in a register file. The data processor comprises a logic circuit including the register file and at least one register connected directly to the register file for storing address data for addressing the register file. The data in the operand field of the user instruction is stored in the register during a microstep immediately before the first microstep of the microprogram for executing the user instruction. The output signal of the register designates one of the general registers provided in the register file.

REFERENCES:
patent: 3646522 (1972-02-01), Furman et al.
patent: 4086658 (1978-04-01), Finlay
patent: 4087854 (1978-05-01), Kinoshita et al.
patent: 4130869 (1978-12-01), Kinoshita et al.
The Am2900 Family Data Book, Advanced Micro Devices Inc., Sunnyvale, Calif., 1976, pp. 1-21.

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