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Binary-coded decimal - Wikipedia, the free encyclopedia
In computing and electronic systems, binary-coded decimal ( BCD ) (sometimes called natural binary-coded decimal , NBCD ) is an encoding for decimal numbers in which each digit is represented ...
en.wikipedia.org/wiki/Binary-coded_decimal |
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Densely packed decimal - Wikipedia, the free encyclopedia
Densely packed decimal (DPD) is a system of binary encoding for decimal digits. The traditional system of binary encoding for decimal digits, known as Binary-coded decimal (BCD), uses four bits to en...
en.wikipedia.org/wiki/Densely_packed_decimal |
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A Summary of Densely Packed Decimal encoding ... Densely Packed Decimal Encoding, by Mike Cowlishaw, in IEE Proceedings – Computers and Digital Techniques, ISSN 1350-2387, Vol. 149, No. 3, pp102–104, IEE, May 2002...
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This section offers some suggestions converting packed decimal data types to character, integer, and real data types. ... The compiler library packed-decimal procedures must be declared as intrinsics if you use them in high-level NM languages. If speed is a primary concern, consider doing packed-decimal operations within...
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Packed decimal is a convenient format for doing many arithmetic calculations in assembly language for several reasons: ... 2) Packed decimal fields are easy to read in a storage dump,
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KMS-IT Ltd providing online OS/390 and z/OS Assembler resources ... Decimal Arithmetic uses Packed Decimal numbers which are so called because number is stored with nearly all the Zones removed. The Zone of the right-most digit is retained and used to indicate whether the number is positive or negative.
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HP OpenVMS Ask the Wizard ... Interpreting the packed decimal values from within a C program is the issue here, since C doesn't have native support for this data type. You can find data type conversion routines in the OTS$ library, or using the appropriate descriptors, LIB$CVT_DX_DX can convert between most data types.
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