barrelShifterNBit.v

////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2020 Akilesh Kannan <akileshkannan@gmail.com>
//
// File: barrelShifterNBit.v
// Modified: 2020-07-15
// Description: N-Bit Barrel Shifter module
//
//
// License: MIT
//
////////////////////////////////////////////////////////////////////////

`default_nettype None

`timescale 1ns/1ps

module barrelShifterNBit #(parameter n = 4) (output reg[n-1:0] out, input[n-1:0] in, input[$clog2(n):0] shift);

    integer i;
    always @ (in, shift) begin
        for(i = 0; i < n; i = i+1) begin
            if(i + shift < n)
                out[i+shift] = in[i];
            else
                out[i+shift-n] = in[i];
        end
    end
endmodule