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334
Data Shift Instructions
Section 3-9
Precautions
When RLNL(576) is executed, the Error Flag will turn OFF.
If as a result of the shift the contents of Wd and Wd +1 are zero, the Equals
Flag will turn ON.
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.
Examples
When CIO 000000 is ON, word CIO 0100 and CIO 0101 will shift one bit to
the left (excluding the Carry Flag (CY)). The contents of CIO 010115 will be
shifted to CIO 010000.
3-9-15 ROTATE RIGHT WITHOUT CARRY: RRNC(575)
Purpose
Shifts all Wd bits one bit to the right not including the Carry Flag (CY). The
contents of the rightmost bit of Wd shifts to the leftmost bit and to the Carry
Flag (CY).
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
Instruction executed once
Wd+1: CIO 0101
Wd: CIO 0100
1
Wd
Wd: Word
RRNC(575)
Wd
Variations
Executed Each Cycle for ON Condition
RRNC(575)
Executed Once for Upward Differentiation
@RRNC(575)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
Not supported
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
Area
Wd
CIO Area
CIO 0000 to CIO 6143
Work Area
W000 to W511
Holding Bit Area
H000 to H511
Auxiliary Bit Area
A448 to A959
Timer Area
T0000 to T4095
Counter Area
C0000 to C4095
DM Area
D00000 to D32767
EM Area without bank
E00000 to E32767
EM Area with bank
En_00000 to En_32767
(n = 0 to C)
Summary of Contents for CJ1G-CPUxx
Page 3: ...iv N o t i c e ...
Page 5: ...vi ...
Page 21: ...xxii Conformance to EC Directives 6 ...
Page 35: ......
Page 1131: ...1110 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...