
Appendix D Use of Application Instructions|DOP-EXIO Series
D-30
Revision March, 2008, Doc. Name: 2007PDD23000014
X10
DADD D30 D40 D50
(D31, D30)
+ (D41, D40) = (D51, D50)
Remarks:
Flags and the positive/negative sign of the values:
-2 -1 0 -32,768、、、 、、-101 32,767012、、、
-2 -1 0 -2,147,483,648、、、 、、-1 0 1 2,147,483,647 0 1 2、、、
16-bit :
Zero flag
Zero flag
Borrow flag
The highest bit of
the data = 1 (negative)
32-bit :
Zero flag
Zero flag
The highest bit of
the data = 0 (positive)
Carry flag
Borrow flag
The highest bit of
the data = 1 (negative)
The highest bit of
the data = 0 (positive)
Carry flag
Zero flag
Zero flag
+-
-+
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