Invention Grant
US4245328A Binary coded decimal correction apparatus for use in an arithmetic unit
of a data processing unit
失效
二进制编码十进制校正装置，用于数据处理单元的算术单元
- Patent Title: Binary coded decimal correction apparatus for use in an arithmetic unit of a data processing unit
- Patent Title (中): 二进制编码十进制校正装置，用于数据处理单元的算术单元
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Application No.: US735Application Date: 1979-01-03
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Publication No.: US4245328APublication Date: 1981-01-13
- Inventor: Virendra S. Negi , Arthur Peters
- Applicant: Virendra S. Negi , Arthur Peters
- Applicant Address: MA Waltham
- Assignee: Honeywell Information Systems Inc.
- Current Assignee: Honeywell Information Systems Inc.
- Current Assignee Address: MA Waltham
- Main IPC: G06F7/494
- IPC: G06F7/494 ; G06F7/50 ; G06F7/508 ; H03M7/12
Abstract:
Binary coded decimal operands may be operated on by use of a binary arithmetic logic unit and the result corrected to provide a binary coded decimal result by use of correction logic which is responsive to the result produced by the binary arithmetic logic unit, the type of operation being performed and whether the binary arithmetic logic unit produced a carry as a result of its arithmetic operation on such operands.
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Information query
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