Data processing system and storage device and auxiliary memory b

Details Data processing system and storage device and auxiliary memory b Data processing system and storage device and auxiliary memory b

1993-03-30

1996-09-17

Chan, Eddie P.

Boots, shoes, and leggings

39518205, 364DIG1, 3642653, 3642692, G06F 1214

Patent

active

055577717

ABSTRACT:
This invention relates to the data processing system which provides, for example, data protection in units smaller than the page or the segment in a more flexible form without causing a marked decrease in efficiency. The conventional data word array has added thereto auxiliary memory bit array and a control unit, such that when a data word is read or updated, the execution of the program is interrupted according to the value of an auxiliary memory bit and a predetermined procedure is called. In this way, the set value of the auxiliary memory bit is used to specify that the processing is to be interrupted each time a data word with the set bit value is read or written.

REFERENCES:
patent: 4821240 (1989-04-01), Nakamura et al.
patent: 5182805 (1993-01-01), Campbell
patent: 5375225 (1994-12-01), Dean et al.

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