module question2_tb();
    reg clk, resetn, s;
    reg [7:0] DA;
    reg [3:0] DB;
    reg [3:0] readData[0:63];
    reg [6:0] dataIndex;

    initial
    begin
        clk <= 0;
        resetn <= 0;
        s <= 0;
        DA <= 8'b0;
        DB <= 4'b0;
        $readmemb("C:/Users/Administrator/Desktop/Assignment3/Question2/Inputs.txt", readData);
    end

    question2 dut(.clock(clk), .resetn(resetn), .s(s), .done(done), .DA(DA), .DB(DB), .A(A), .B(B), .P(P));

    always
    begin
        #10
        clk <= ~clk;
    end

    always @(posedge clk)
    begin
        resetn <= readData[0][dataIndex];
        dataIndex <= dataIndex + 1;
        DA <= readData[dataIndex];
        dataIndex <= dataIndex + 1;
        DB <= readData[dataIndex];
        dataIndex <= dataIndex + 1;
        s <= readData[0][dataIndex];
        dataIndex <= dataIndex + 1;
    end
endmodule