Delta-electronics Extension Digital I/O Module DOP-EXIO14RAE Manual de usuario descargar pdf (Pagina 131)

Appendix D Use of Application Instructions|DOP-EXIO Series

D-50

Revision March, 2008, Doc. Name: 2007PDD23000014

Mnemonic Operands Function

RCL D

Rotation Left with Carry

Bit Devices Word Devices

X Y M S K H KnX KnY KnM KnS T C D E F

       

 

y Note:

1. If D is used in device F, only 16-bit instruction is applicable.

2. If D is designated as KnY, KnM, and KnS, only K4 (16-bit) and K8

(32-bit) are valid.

3. Range of n: 1 ~ 16 (16-bit); 1 ~ 32 (32-bit)

16-bit instruction (5 Steps)

RCL

Continuous

execution

32-bit instruction (9 Steps)

DRCL

Continuous

execution

y Flags: M1022 (Carry flag)

Operands:

: Device to be rotated

: Number of bits to be rotated in 1 rotation

Explanations:

This instruction rotates the device content designated by D together with carry flag M1022 to the left for

n bits.

Program Example:

When X0 = Off→On, the 16 bits (4 bits as a group) in D10 together with carry flag M1022 (total 17 bits)

will rotate to the left, as shown in the figure below. The bit marked with

※ will be sent to carry flag

M1022.

RCLP D10 K4

111 11 100 0 0011 000

1100000 10000111 1

16 bits

Rotate to the left

After one rotation

to the left

Carry

flag

Carry

flag

lower bit

D10

higher bit

1 2 ... 126 127 128 129 130 131 132 133 134 135 136 ... 156 157

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Delta-electronics Extension Digital I/O Module DOP-EXIO14RAE Manual de usuario Pagina 131

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