System for interrupting program operation when an out-of-range v

Details System for interrupting program operation when an out-of-range v System for interrupting program operation when an out-of-range v

1997-01-30

1998-10-27

Lim, Krisna

Data processing: database and file management or data structures

Database design

Data structure types

395739, 707 1, 707101, G06F 300, G06F 1730

Patent

active

058288902

ABSTRACT:
System for suspending operation of a program after detecting that an instruction is executing with an operand assuming an out-of-range value such as a year value out of the range of the program. After suspending operation, the reason for the suspension is determined based on a set of rules and the proper result of the instruction is determined and inserted. If the reason for the suspension was a date value was out of range, the date value is put in a different format. Operation of the program may then resume.

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patent: 5600836 (1997-02-01), Alter
patent: 5668989 (1997-09-01), Mao
Ross, Tom, Technical Advantages of LE/370 and COBOL/370, Guide, IBM Santa Teresa Laboratory, Oct. 1994, pp. 2, 4, 6.
Ross, Tom, Solving the Year 2000 problem with COBOL and LE/370, Language Products, IBM Santa Teresa Laboratory, Oct. 1994, pp. 2, 4, 6, 8, 10, and 12.
Crema, Alica, "IBM COBOL for the MVS & VM Environment," IBM Santa Teresa Laboratory, Oct. 24, 1995, Charts 3-30.
International Business Machines Corporation, The Year 2000 and 2-Digit Dates: A Guide for Planning and Implementation, 1995.
Mattes, Paul, "Year 2000 . . . The Mainframe's Revenge," Chicago Chapter Platform Association for Computing Machinery, Feb. 1996, pp. 2-4.
Fowler, Donald R., "The Year 2000 An Enterprise-Wide Issue," IBS Conversions, Inc., 1996, pp. 1-10.
"Year 2000 Enhancement," Tools C.00.001 patch tape for the HP MMII, revision date: Oct. 20, 1994, Hewlett-Packard Co.

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