module ControllerTest();

    logic       clk, reset;
    logic [5:0] op, funct;
    logic       zero;
    logic       pcen, memwrite, irwrite, regwrite;
    logic       alusrca, iord, memtoreg, regdst;
    logic [1:0] alusrcb, pcsrc;
    logic [2:0] alucontrol;
    logic [10:0] controls;

    initial begin
        reset = 1; #10; reset = 0;
        op = 6'b000010;
        op = 6'b001000;     #100;
        op = 6'b000100;     #100;
        op = 6'b0;  funct = 6'b100000; #100;
        op = 6'b101011;     #100;
        funct = 6'b100010;  #100;
        funct = 6'b100100;  #100;
        op = 6'b100011;     #100;
        funct = 6'b100101;  #100;
        funct = 6'b101010;  #100;

    end
    always begin
        clk = 1; #10;   clk = 0; #10;
    end
    controller controler(clk, reset, op, funct, zero, pcen, memwrite, irwrite, regwrite, alusrca,iord,memtoreg,regdst, alusrcb, pcsrc, alucontrol);

    assign controls = {pcen, memwrite, irwrite, regwrite, alusrca, alusrcb, pcsrc, alucontrol};

endmodule