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Table B.5-2 Arithmetic operation instructions (Continued)
No.
MNEMONIC
54
OR A, @EP
55
OR A, @IX+off
56
OR A, Ri
57
CMP dir, #d8
58
CMP @EP, #d8
59
CMP @IX+off, #d8
60
CMP Ri, #d8
61
INCW SP
62
DECW SP
Operation
#
3
1
(A)<--(AL)
((EP))
4
2
(A)<--(AL)
((IX)+off)
3
1
(A)<--(AL)
(Ri)
5
3
(dir)-d8
4
2
((EP))-d8
5
3
((IX)+off)-d8
4
2
(Ri)-d8
3
1
(SP)<--(SP)+1
3
1
(SP)<--(SP)-1
APPENDIX B Overview of Instructions
N
TL
TH
AH
Z
-
-
-
+
+
-
-
-
+
+
-
-
-
+
+
-
-
-
+
+
-
-
-
+
+
-
-
-
+
+
-
-
-
+
+
-
-
-
-
-
-
-
-
-
-
V
C
OP CODE
R
-
77
R
-
76
R
-
78 to 7F
95
+
+
97
+
+
96
+
+
98 to 9F
+
+
-
-
C1
-
-
D1
283
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