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On 22/12/2007, at 6:45 AM, Chris Bipes wrote:

That works because you are using small numbers. In RPGLE it should be
defined as 10U 0 for true unsigned binary. Large numbers that turn on
the high order bit become negative and cause all sorts of issues.

Unsigned should only be used when is explicitly defined in the API interface. From the "Data types and APIs" section of the Information Centre:

Binary data

In the API parameter tables, BINARY(2), BINARY(4), and BINARY(8) represent numeric data. These parameters must be signed, 2-, 4-, or 8- byte numeric values with a precision of 15 (halfword), 31 (fullword), or 43 bits and 1 high-order bit for the sign. Numeric parameters that must be unsigned numeric values are explicitly defined as BINARY(x) UNSIGNED.

Regards,
Simon Coulter.
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