Fujitsu FR81 - page 473

CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 459
FR81 Family APPENDIX
APPENDIX C Supplemental Explanation about FPU Exception Processing
The blank column means that the "p" value is used as the result.
Table C.3-1 Rounding Mode and Rounding Processing of Significand
Rounding
mode
(FCR.RM) S ≥ 0S < 0
00B (Latest
value) "p+1" if "r^!s^LSB" or "r^s" is true "p+1" if "r^!s^LSB" or "r^s" is true
01B (Zero)
10B (+∞)"p+1" if "r∪s" is true
11B (-∞)"p+1" if "r∪s" is true