Rotate Right Without Carry: Rrnc(261) - Omron SYSMAC CVM1 Series Operation Manual

Duplex system

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Shift Instructions

5-14-21 ROTATE RIGHT WITHOUT CARRY: RRNC(261)

Ladder Symbol

Operand Data Area

When the execution condition is OFF, RRNC(261) is not executed. When the

execution condition is ON, RRNC(261) shifts all Wd bits one bit to the right, shift-

ing the status of bit 00 into both bit 15 of Wd and into CY.

0 1 0 1 0 1 0 0 0 1 1 1 0 0 0 1

Content of *DM word is not BCD when set for BCD.

ER (A50003):

CY (A50004):

Receives the status of bit 15 from Wd.

EQ (A50006):

Content of Wd is 0 after execution.

Same status as bit 15 of Wd after execution.

When CIO 000000 is ON in the following example, the status of bit 00 of

CIO 0100 is shifted into bit 15 of CIO 0100 and into CR and the status of all bits

within CIO 0100 are shifted right one position.

1 0 1 0 1 1 0 0 1 1 1 0 0 0 1 1

1 0 1 0 1 1 0 0 1 1 1 0 0 0 1

CIO, G, A, DM, DR, IR

Wd: CIO 0100

Section 5-14

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