`timescale 1ns / 1ps

module Pipeline(out0, out1, inA, inB);

integer i = 0;

function funcao;
input a, b, c;
begin
    if(a === 1'bX | b === 1'bX)
    begin
        if(c === 0)
            funcao = 1;
        else
            funcao = 0;

        i = 1;
    end
    else if(a === b)
    begin
        funcao = a;
    end
    else if(funcao === 1'bX)
    begin
        funcao = 1;
    end

    $display($time, " - %b - A = %b B = %b OUT = %b - %d", c, a, b, funcao, i);
    i = 0;

end
endfunction

input inA, inB;
output out0, out1;

reg out0, out1;

initial begin
    out0 = 1;
    out1 = 0;
end

always @ (inA)
begin
    out0 = funcao(inA, !out1, 0);
end

always @ (inB)
begin
    out1 = funcao(out0, !inB, 1);
end

endmodule