0
0
+
5
R
+
4
D
+
3
C
+
2
V
+
1
-
5
R
-
4
D
-
3
C
-
2
V
-
1
R
D
C
V
0
+
4.5
+
3.5
+
2.5
+
1.5
+
0.5
-
4.5
-
3.5
-
2.5
-
1.5
-
0.5
0
1
2
3
RESET
+/-