//2024-6-18 姜青羊
//？；实现多路选择器

`timescale 1ns/10ps
module muxtwo (
                    A,
                    B,
                    sel,
                    Y
                );

input               A,B,sel;
output              Y;

assign              Y=sel?(A^B):(A&B);
    
endmodule


//-----testbench-----

module tb_muxtwo ();

reg[2:0]             sab;
wire                 y;

muxtwo muxtwo (
                    .A(sab[1]),
                    .B(sab[0]),
                    .sel(sab[2]),
                    .Y(y)
                );

initial begin
                    sab<=3'b000;
            #100    $stop;
            
end

always      #10     sab=sab+1;

endmodule