4283 Group
RAR (Rotate Accumulator Right)
Instrunction D8
D0
1
Number of Number of Flag CY
Skip condition
–
words
cycles
code
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
1
4
0
8
D
16
16
16
16
2
2
2
2
1
1
0/1
Operation:
→ CY → A3A2A1A0
Grouping:
Arithmetic operation
Description: Rotates 1 bit of the contents of register A in-
cluding the contents of carry flag CY to the
right.
RB j (Reset Bit)
Instrunction D8
Flag CY
–
Skip condition
–
D0
Number of Number of
words
cycles
C
code
0
0
1
0
0
0
0
1
0
0
j1 j0
+j
1
1
Operation:
(Mj(DP)) ← 0
Grouping:
Bit operation
j = 0 to 3
Description: Clears (0) the contents of bit j (bit specified
by the value j in the immediate field) of
M(DP).
RC (Reset Carry flag)
Instrunction D8
D0
Number of Number of Flag CY
words
Skip condition
–
cycles
code
0
0
0
0
1
0
6
1
1
0
Operation:
(CY) ← 0
Grouping:
Arithmetic operation
Description: Clears (0) to carry flag CY.
RCAR (Reset CAR flag)
Instrunction D8
Flag CY
–
Skip condition
–
D0
0
Number of Number of
words
cycles
code
0
1
0
0
1
6
1
1
Operation:
(CAR) ← 0
Grouping:
Carrier wave control operation
Description: Clears (0) to port CARR output flag.
Rev.1.01 Mar 20, 2006 page 35 of 62
REJ03B0109-0101
RENESAS [ RENESAS TECHNOLOGY CORP ]
