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How sld (shift left word) & srw (shift right word) generally work in stl programming?

PLC Automatic Control Automation Control Theory
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Question added by Mujahid Chougle , Automation Team Manager , Almarai Co Ltd
Date Posted: 2013/10/18
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PRATIK GANDHI
by PRATIK GANDHI , Instrumentation Engineer , Emirates Global Aluminium ( EGA )

SLD ( shift Left double word ) shifts the whole content of Accumulator to left bit by bit and the vacant space are getting filled by zeros.

for eg: sld 3   // transfer the content of accumulator to left 3 times.

 

SRD ( shift Right double word ) shifts the whole content of Accumulator to Right bit by bit and the vacant space are getting filled by zeros.

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