Microprogrammed data processing systems

Details Microprogrammed data processing systems Microprogrammed data processing systems

1974-04-08

1976-10-26

Springborn, Harvey E.

Communications: electrical

Digital comparator systems

G06F 918

Patent

active

039887197

ABSTRACT:
A data processing system is described in which a plurality of microprogram address registers are provided, some of the registers being associated with operations involving a processor and others of the registers being associated with peripheral devices. Each register corresponds to a different level of microprogram interrupt and the registers associated with processor operations correspond to levels lower than the levels associated with the peripheral devices.

REFERENCES:
patent: 3286239 (1966-11-01), Thompson et al.
patent: 3599162 (1971-10-01), Byrns et al.
patent: R28221 (1974-11-01), Benghiat

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