Omron CJ - INSTRUCTIONS REFERENCE MANUAL 07-2009 Reference Manual page 348

ROL/ROLL
Instruction
ROTATE LEFT
DOUBLE ROTATE LEFT
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage OK
Operands
Operand
Wd Word
Operand Specifications
Word addresses
Area
CIO WR HR
ROL Wd
OK OK OK
ROLL Wd
Flags
Name
Error Flag
Equals Flag
Carry Flag
Negative Flag
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Mnemonic Variations
ROL @ROL
ROLL @ROLL
ROL
ROL(027)
Wd
Wd: Word
Block program areas Step program areas
OK OK
Description
AR T C DM EM
OK OK OK OK OK
Label
ER OFF
= • ON when the shift result is 0.
• OFF in all other cases.
CY • ON when 1 is shifted into the Carry Flag (CY).
• OFF in all other cases.
N • ON when the leftmost bit is 1 as a result of the shift.
• OFF in all other cases.
Function
code
Shifts all Wd bits one bit to the left
027
including the Carry Flag (CY).
Shifts all Wd and Wd +1 bits one bit to
572
the left including the Carry Flag (CY).
Subroutines
OK
Data type
ROL
UINT UDINT
Indirect DM/EM
addresses
Con-
stants
@DM *DM
DR
@EM *EM
OK
OK OK ---
---
Operation
3. Instructions
Function
ROLL
ROLL(572)
Wd
Wd: Word
SFC action or transition
Interrupt tasks
programs
OK OK
Size
ROLL ROL ROLL
1
Registers Flags
Pulse
bits
Indirect
IR TK CF
using IR
--- OK --- --- ---
3
2
TR
bits
---
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