4283 Group
SC (Set Carry flag)
Instrunction D8
code
D0
1
Number of Number of Flag CY
Skip condition
–
words
cycles
0
0
0
0
0
0
1
1
0
0
0
0
8
1
7
7
5
16
16
16
2
2
2
1
1
1
Operation:
(CY) ← 1
Grouping:
Arithmetic operation
Description: Sets (1) to carry flag CY.
SCAR (Set CAR flag)
Instrunction D8
Number of Number of
Flag CY
–
Skip condition
–
D0
1
words
cycles
code
0
1
0
0
0
0
1
1
1
1
Operation:
(CAR) ← 1
Grouping:
Carrier wave control operation
Description: Sets (1) to port CARR output flag (CAR).
SD (Set port D specified by register Y)
Instrunction D8
D0
1
Number of Number of Flag CY
Skip condition
–
words
cycles
code
0
0
0
0
1
0
1
0
1
1
–
Grouping:
Input/Output operation
Operation:
(D(Y)) ← 1
Description: Sets (1) to a bit of port D specified by regis-
(Y) = 0 to 7
ter Y.
SEA n (Skip Equal, Accumulator with immediate data n)
Number of Number of
Flag CY
–
Skip condition
Instrunction D8
D0
words
cycles
code
0
0
0
1
0
0
1
1
0
1
0
1
0
1
0
0
2
5
n
16
16
2
2
2
2
(A) = n, n = 0 to 15
n3 n2 n1 n0
B
Grouping:
Comparison operation
Description: Skips the next instruction when the con-
tents of register A is equal to the value n in
the immediate field.
Operation:
(A) = n ?
n = 0 to 15
Rev.1.01 Mar 20, 2006 page 37 of 62
REJ03B0109-0101