HT46R47
RLC [m]
Rotate data memory left through carry.
Description
The contents of the specified data memory and the carry flag are rotated 1 bit
left. Bit 7 replaces the carry bit; the original carry flag is rotated into the bit 0
position.
Operation
[m].(i+1) ¬ [m].i; [m].i:bit i of the data memory (i=0~6)
[m].0 ¬ C
C ¬ [m].7
Affected flag(s)
TC2 TC1 TO PD OV
Z
AC
C
¾
¾
¾
¾
¾
¾
¾
Ö
RLCA [m]
Rotate left through carry and place result in the accumulator.
Description
Data in the specified data memory and the carry flag are rotated 1 bit left. Bit
7 replaces the carry bit and the original carry flag is rotated into bit 0 posi-
tion. The rotated result is stored in the accumulator but the contents of the
data memory remain unchanged.
Operation
ACC.(i+1) ¬ [m].i; [m].i:bit i of the data memory (i=0~6)
ACC.0 ¬ C
C ¬ [m].7
Affected flag(s)
TC2 TC1 TO PD OV
Z
AC
C
¾
¾
¾
¾
¾
¾
¾
Ö
RR [m]
Rotate data memory right.
Description
The contents of the specified data memory are rotated 1 bit right with bit 0
rotated to bit 7.
Operation
[m].i ¬ [m].(i+1); [m].i:bit i of the data memory (i=0~6)
[m].7 ¬ [m].0
Affected flag(s)
TC2 TC1 TO PD OV
Z
AC
C
¾
¾
¾
¾
¾
¾
¾
¾
Rev. 1.40
37
July 18, 2001
ETC [ ETC ]
