Rotation Instructions - Mitsubishi Electric MELSEC-Q/L Programming Manual

Rotation instructions

Category Instruction Symbol
symbol
Right ROR
ROR
rotation of
16-bit data
RORP
RORP
RCR
RCR
RCRP
RCRP
Left rotation ROL
ROL
of 16-bit
data
ROLP
ROLP
RCL
RCL
RCLP
RCLP
Right DROR
DROR
rotation of
32-bit data
DRORP
DRORP
DRCR
DRCR
DRCRP
DRCRP
Left rotation DROL
DROL
of 32-bit
data
DROLP
DROLP
DRCL
DRCL
DRCLP
DRCLP
*1 For the High-speed Universal model QCPU, the number of basic steps is four.
Processing details
b15 (D) b0
D n
D n Right rotation by n bits Carry flag
b15 (D) b0
D n
D n Right rotation by n bits
SM700 b15
D n
D n
Carry flag Left rotation by n bits
SM700 b15
D n
D n
Carry flag Left rotation by n bits
(D+1) (D)
D n
b31 to b16 b15 to b0
D n
Right rotation by n bits Carry flag
(D+1) (D)
D n
b31 to b16 b15 to b0
D n
Right rotation by n bits Carry flag
(D+1)
D n
SM700 b31 to b16
D n
Carry flag Left rotation by n bits
D n
(D+1)
SM700 b31 to b16 b15 to b0
D n
Carry flag Left rotation by n bits
Execution
condition
SM700
SM700
Carry flag
(D) b0
(D) b0
SM700
SM700
(D)
b15 to b0
(D)
2 INSTRUCTION TABLES
2.5 Application Instructions
Number Subset Reference
of basic
steps
*1
3 ● Page 381
*1
●
3
*1
3 ● Page 384
*1
●
3
*1
3 ● Page 387
*1
3 ●
*1
●
3 Page 389
*1
●
3
2
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