Data processing system featuring subroutine linkage operations using hardware controlled stacks

Data processing system featuring subroutine linkage operations using hardware controlled stacks

A data processing system is described wherein, during linkage to a subroutine, by a single machine instruction, a complete status save and the assignment of a dynamic work area are effected. By another single machine instruction the process is reversed. The elements of the complete machine status an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MAYES, GARY WAYNE, WISE, LARRY EDWARD, DAVIS, MICHAEL IAN, MCDERMOTT, THOMAS STEPHEN
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A data processing system is described wherein, during linkage to a subroutine, by a single machine instruction, a complete status save and the assignment of a dynamic work area are effected. By another single machine instruction the process is reversed. The elements of the complete machine status and the dynamic work area are retained in a hardware controlled stack, thus permitting nesting of the subroutine calls.