Paging mechanism

Details Paging mechanism Paging mechanism

1978-06-23

1980-08-19

Shaw, Gareth D.

Boots, shoes, and leggings

364900, G06F 920

Patent

active

042187419

ABSTRACT:
In a data processing system, a mechanism provides independent assignment of page locations for a program's instructions and its data and better enables control to be transferred between programs, or portions thereof, that reside at different addresses in different pages of a multiple page instruction store. The initial linkage is established through the use of a Branch And Link instruction. Subsequent linkages are established through the use of Return and Link instructions, each of which transfers control to a previous program, or program segment, while simultaneously establishing the linkage for a subsequent return to this program or program segment.

REFERENCES:
patent: 3775756 (1973-11-01), Balser
patent: 3980992 (1976-09-01), Levy et al.
IBM Tech. Disc. Bull., V. 19, #8, pp. 2877-2878, Jan. 1977, "Paging Sys. for ROS-Controlled Machine", G. A. Pitt et al.
IBM Tech. Disc. Bull., V. 19, #9, pp. 3266-3267, Feb. 1977, "M--Processor with Additional Random-Access Memory", J. D. Dixon.
IBM Tech. Disc. Bull., V. 19, #9, pp. 3270-3273, Feb. 1977, "Instr. Fetch/Exe. Overlap Method for a M--Processor Used as a M--Controller", Dixon.
IBM Tech. Disc. Bull, V. 20, #1, pp. 334-336, Jan. 1977, "M--Interrupt Via Forced Br. & LK Instr.", Booth et al.

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