Rotate Left Without Carry: Rlnc(574) - Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual

Data Shift Instructions
Examples

3-9-13 ROTATE LEFT WITHOUT CARRY: RLNC(574)

Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
If as a result of the shift the contents of the leftmost bit of Wd + 1 is 1, the Neg-
ative Flag will turn ON.
Note It is possible to set the Carry Flag contents to 1 or 0 immediately before exe-
cuting this instruction, by using the Set Carry (STC(040)) or Clear Carry
(CLC(041)) instructions.
When CIO 000000 is ON, word CIO 0100, CIO 0101 and the Carry Flag (CY)
will shift one bit to the right. The contents of CIO 010000 will be shifted to the
Carry Flag (CY) and the Carry Flag contents will be shifted to CIO 010115.
Shifts all Wd bits one bit to the left not including the Carry Flag (CY).
RLNC(574)
Wd
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
Block program areas
OK
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Counter Area
DM Area
EM Area without bank
EM Area with bank
Wd
Wd+1: CIO 0101
Instruction executed once
Wd: Word
Step program areas
OK
CIO 0000 to CIO 6143
W000 to W511
H000 to H511
A448 to A959
T0000 to T4095
C0000 to C4095
D00000 to D32767
E00000 to E32767
En_00000 to En_32767
(n = 0 to C)
Section 3-9
Wd: CIO 0100
RLNC(574)
@RLNC(574)
Not supported
Subroutines Interrupt tasks
OK OK
Wd
383