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6.11 BIT SHIFT LEFT Instruction (SHFTL)

6-20

6.11 BIT SHIFT LEFT Instruction (SHFTL)

[Outline]

The SHFTL instruction shifts the bit sequence designated by the leading bit address (Head Bit

Address) and bit width (Bit Width) to the left the designated number of bits (Number of Shifts).

[Format]

Symbol : SHFTL

Full Name : Bit Shift Left

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 ten-bit wide section of data with MB0000A (bit A of MW00000) as the head is shifted five bits to

the left.

Note: The upper five bits are thrown away.

1 1 0 0 0

1 0 0 0

・・・・・・・・・・・・・・・・・・・・・・・・・・

・・・・・・・・・・・・・・・・・・・・・

1 0 0 0 0

・・・・・・・・・・・・・・・・・・・・・

0 1 0 1

・・・・・・・・・・・・・・・・・・・・・・・・・・

0 is entered.

MW00001

MW00000

MW00001

MW00000

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Yaskawa Ladder Works Programming Manual Bedienungsanleitung Seite 117