D-65
API Mnemonic Operands Function
30 ROR P D, n Rotate to the Right
Type
OP
Bit Devices Word devices Program Steps
X Y M K H KnX KnY KnM T C D ROR, RORP: 5 steps
D * * * * *
n
* *
Operands:
D: Device to be rotated n: Number of bits to be rotated in 1 rotation
Explanations:
1. This instruction rotates the device content designated by D to the right for n bits.
2. This instruction adopts pulse execution instructions (RORP).
Program Example:
When X0 goes from Off to On, the 16 bits (4 bits as a group) in D10 will rotate to the right, as shown
in the figure below. The bit marked with ※ will be sent to carry flag M1022.
011 10 101 0 0111 001
010111001111001 0
0
upper bit lower bit
upper bit lower bit
*
X0
RORP
D10 K4
Rotate to the right
16 bits
Carry
flag
Carry
flag
After one rotation
to the right
D10
D10
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