Mitsubishi Electric MELDAS C6 Programming Manual page 271

DROL, DROLP ... Left rotation of 32-bit data
Bit device
X Y M L F B SB T SM V T
D
n
DROL
DROLP
Function
The 32-bit data designated with D is rotated n bits to the left excluding the carry flag.
Carry flag
（SM12）
Execution conditions
The execution conditions for the DROL, DROLP are as shown below.
Left rotation command OFF
DROL
DROLP
8. Function Commands
DROL, DROLP
Usable device
Word device
C D R W SW Z SD K
Left rotation command
D+1
B31B30B29 B16
n bit rotation
ON
Executed per scan
- 262 -
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Con-
Pointer
stant
H P
DROL n
D
n
DROLP D
Setting data
Head No. of device where
D
left rotation data is stored.
n Times (0 to 31)
D
B2 B1 B0
B 15
Executed per scan
Digit
No. of
desig- Index
steps
nation
3