Subversion Repositories generic_parameterized_mux

module tb_Nx1_mux;

reg [7:0]D;

reg [2:0]S;

wire Y;

Nx1_mux #(.N(8)) DUT(.D(D), .S(S), .Y(Y));

task initialize;

begin

    D=8'b0000;

    S=4'b00;

end

endtask

task select(input [2:0]i);

begin

    S=i;

end

endtask

task load(input [7:0] data);

begin

    D=data;

end

endtask

integer i , j;

initial begin

$dumpfile ("Nx1_mux.vcd");

$dumpvars (0, tb_Nx1_mux);

for (i=0; i<8 ; i=i+1)

begin

    initialize;

    #10;

    select(i);

    for(j=0;j<256;j=j+1)

    begin

        load(j);

        #10;

    end

end

$finish;

end

initial $monitor("D = %b, S = %b, Y = %b",D,S,Y);

endmodule