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// fun.v: Have you got fun reading the code ?

`include "inc.v"

// turn "00000001111111111111111" into "00000001000000000000000"

module func6(clk, reset, in, out);

    input clk, reset, in;

    output out;

    reg reg1, reg2;

    always @ (posedge clk)

        if (reset)

          begin

            reg1 <= 0; reg2 <= 0;

          end

        else

          begin

            reg2 <= reg1; reg1 <= in;

          end

    assign out = {reg2,reg1}==2'b01 ? 1 : 0;

endmodule