Data structure processor

Details Data structure processor Data structure processor

1975-07-24

1977-03-01

Nusbaum, Mark E.

Communications: electrical

Digital comparator systems

G06F 920, G06F 910

Patent

active

040104516

ABSTRACT:
Data processing apparatus, particularly for use with a computer, is described which includes a primary store and an address translator. The primary store which has a fast access time compared with the main computer store is addressed by virtual addresses applied to the translator, each virtual address being associated with a particular real address for the primary store. The associations between real and virtual addresses can be changed by program instructions so leading to shorter programs and faster computer operation. Similar advantages are also gained by logic circuits for changing one or more of the more significant bits of the virtual addresses, under program instructions, and of addresses for a secondary store also of fast access time.

REFERENCES:
patent: 3675215 (1972-07-01), Arnold et al.
patent: 3723976 (1973-03-01), Alvarez et al.
patent: 3761881 (1973-09-01), Anderson et al.
patent: 3764996 (1973-10-01), Ross
patent: 3781808 (1973-12-01), Ahearn et al.
patent: 3786427 (1974-01-01), Schmidt et al.
patent: 3854126 (1974-12-01), Gray et al.

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