PREDETERMINATION OF RESULT CONDITIONS OF DECIMAL OPERATIONS

PREDETERMINATION OF RESULT CONDITIONS OF DECIMAL OPERATIONS

The invention concerns an apparatus for testing the magnitude and sign digits of packed decimal binary numbers during performance of arithmetic operations which combine the numbers for the purpose of setting status bits used for setting condition codes, determining execution paths, setting the sign...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JABUSCH, JOHN DAVID, KOVACS, LINDA ANNE, PLZAK, TIMOTHY GERALD, RICHARDSON, ROBERT REIST
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:The invention concerns an apparatus for testing the magnitude and sign digits of packed decimal binary numbers during performance of arithmetic operations which combine the numbers for the purpose of setting status bits used for setting condition codes, determining execution paths, setting the sign of the result and detecting invalid conditions.