Barrel shifter coding using mux

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Thats sounds plausible - have a go and come back here when you're having problems with your code.

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library IEEE;

use IEEE.STD_LOGIC_1164.ALL;

use IEEE.NUMERIC_STD.all;

entity barrel_shifter_8bit is

Port (

data: in std_logic_vector(7 downto 0);

data_out: out std_logic_vector(7 downto 0);

ctrl: in std_logic_vector(2 downto 0)

);

end barrel_shifter_8bit;

architecture Behavioral of barrel_shifter_8bit is

begin

with ctrl select

data_out<= data(0)& data(7 downto 1) when "001",

data(1 downto 0)& data(7 downto 2) when "010",

data(2 downto 0)& data(7 downto 3) when "011",

data(3 downto 0)& data(7 downto 4) when "100",

data(4 downto 0)& data(7 downto 5) when "101",

data(5 downto 0)& data(7 downto 6) when "110",

data(6 downto 0)& data(7) when "111",

data when others;

end architecture Behavioral;

-----This is what I have so far I'm stuck on transfering the output to the next column of the barrel shifter.