SHLw / SHL_INT / SHL_UINT / SHL_WORD

Function - Shift bits of a register to the left.

Inputs

IN : INT   16 bit register
NBS : INT  Number of shifts (each shift is 1 bit)

Outputs

Q : INT    Shifted register

Diagram

Remarks

In LD language, the input rung (EN) enables the operation, and the output rung keeps the state of the input rung. In IL language, the first input must be loaded before the function call. The second input is the operand of the function.

ST Language

Q := SHLw (IN, NBS);

FBD Language

LD Language

(* The shift is executed only if EN is TRUE *)
(* ENO has the same value as EN *)

IL Language:

Op1: LD   IN
     SHLw NBS
     ST   Q

See also

SHL   SHR   ROL   ROR   SHLb   SHRb   ROLb   RORb   SHRw   ROLw   RORw