Stack-type arithmetic circuit

Details Stack-type arithmetic circuit Stack-type arithmetic circuit

1989-10-16

1991-05-21

Malzahn, David H.

Boots, shoes, and leggings

G06F 738

Patent

active

050180924

ABSTRACT:
A stack-type arithmetic circuit includes a first register, a second register, and a stack. The first register has input and output terminals connected to an external bus via buffers, respectively, and holds the latest value pushed by the arithmetic circuit. The second register has input and output terminals connected to the output and input terminals of the first register, respectively, and holds an immediately preceding value of the latest value. The stack holds remaining data to be operated. Outputs from the first and second registers are supplied to an arithmetic unit, and an output result from the arithmetic unit is returned to the first register.

REFERENCES:
patent: 3564226 (1971-02-01), Seligman
patent: 3596073 (1971-07-01), Yokoyama et al.
patent: 4587632 (1986-05-01), Ditzel
patent: 4799181 (1989-01-01), Tague et al.
McGraw Hill: Computer Science Series, 1971, Computer Structures: Readings and Examples, pp. 267-273.

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