Subroutine control circuitry for providing subroutine operations

Details Subroutine control circuitry for providing subroutine operations Subroutine control circuitry for providing subroutine operations

1981-02-04

1984-07-10

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 918, G06F 946

Patent

active

044596596

ABSTRACT:
Subroutine control apparatus for providing shared subroutine control for a plurality of executing tasks. Multiple levels of subroutine entry are provided for each task by employing a plurality of selectably accessible stacks, one for each task, along with corresponding pointer registers. These provide storage for a plurality of return addresses as required for each task during task performance. In addition, an updatable significantly faster access register is provided for each task for storing its most recent return address so as to permit return addresses to be rapidly made available when an executing task reaches the end of a subroutine.

REFERENCES:
patent: 4030075 (1977-06-01), Barlow
patent: 4128878 (1978-12-01), Yasuhara et al.
patent: 4197579 (1980-04-01), Otis, Jr. et al.
patent: 4229790 (1980-10-01), Gilliland et al.
patent: 4268903 (1981-05-01), Miki et al.
patent: 4346435 (1982-08-01), Wise
patent: 4354231 (1982-10-01), Carlsson et al.
patent: 4384324 (1983-05-01), Kim et al.

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