Linear microsequencer unit cooperating with microprocessor syste

Details Linear microsequencer unit cooperating with microprocessor syste Linear microsequencer unit cooperating with microprocessor syste

1981-03-05

1983-02-15

Chan, Eddie P.

Boots, shoes, and leggings

G06F 304, G06F 930, G06F 1300, G06F 900

Patent

active

043744184

ABSTRACT:
A microprocessor system works in conjunction with an application dependent logic module tailored to serve the particular requirements of a given peripheral device. The microprocessor is provided with a linear microsequencer circuit to operate with all types of application dependent logic modules and to provide instructions and control for data transfer operations. Means are provided in the microprocessor for operation in a "normal" mode whereby a first set of accumulator registers and flag registers are used exclusively, and in a "background" or interrupt mode where a second set of accumulator registers and flag registers are used exclusively.

REFERENCES:
patent: 3297996 (1967-01-01), Grady
patent: 3325788 (1967-06-01), Hackl
patent: 3614740 (1971-10-01), De Lagi
patent: 3614741 (1971-10-01), McFardland, Jr. et al.
patent: 4106092 (1978-08-01), Millers
patent: 4109310 (1978-08-01), England et al.
patent: 4136383 (1979-01-01), Takesue
patent: 4162520 (1979-07-01), Cook et al.
patent: 4189769 (1980-01-01), Cook et al.

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