22.10.4 Notes on Operation Results

Overflowing Digits

Overflowing digits resulting from operations are truncated.

16-bit, undefined type, and unsigned

Difference in Residual Processing

The result of residual processing depends on whether the left and right sides are signed or unsigned.

Truncated Decimal Places

Fractional values resulting from division are truncated.

Notes on Operating BCD Data

A BCD-data operation which produces overflowing digits does not give the correct result.