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12 bit shift right instruction (shftr) – Yaskawa Ladder Works Programming Manual User Manual

Page 118

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6.12 BIT SHIFT RIGHT Instruction (SHFTR)

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6.12 BIT SHIFT RIGHT Instruction (SHFTR)

[Outline]

The SHFTR instruction shifts the bit sequence designated by the leading bit address (Head Bit
Address
) and bit width to (Bit Width) the right the designated number of bits (Number of Shifts).

[Format]

Symbol : SHFTR
Full Name : Bit Shift Right
Category : MOVE
Icon :

[Parameter]

Parameter Name

Setting

Head Bit Address

· Any bit type register (except for # and C registers)
· Any bit type register with subscript (except for # and C registers)

Number of Shifts

· Any integer type register
· Any integer type register with subscript
· Constant

Bit Width

· Any integer type register
· Any integer type register with subscript
· Constant

[Program Example]

A five-bit wide section of data with MB0005 (bit A of MW00000) as the head is shifted three bits to
the right.

5

0 is entered.

Note: The lower three bits are thrown away.

1

1

1

1

1

・・・・・・・・・・

0

0

0

1

1

・・・・・・・・・・

・・・・・・・・・・・・・

・・・・・・・・・・・・・

2

MW00000

MW00000