Boots – shoes – and leggings
Patent
1984-03-14
1987-03-10
Chan, Eddie P.
Boots, shoes, and leggings
G06F 930
Patent
active
046494723
ABSTRACT:
Multi-phase subroutine control apparatus for use in a data processing system which provides for the concurrent execution of a plurality of tasks in a multiprogramming and multiprocessing environment. Subroutine control operations are staged so as to share common hardware in a manner which in effect provides a plurality of phased concurrently operating subroutine control circuits wherein each circuit provides control for a different one of a plurality of concurrently executing tasks. The common subroutine hardware includes a multi-level stack for each task and a fast access return address register which permits a return address to be rapidly made available when required during execution of a task.
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Computer, May 1977, D. M. Bulman, "Stack Computers", pp. 14-19.
Burroughs Corporation
Cass Nathan
Chan Eddie P.
Chung Edmund M.
Peterson Kevin R.
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