Subversion Repositories ft816float

module DDBCDToBin_tb();

reg rst;

reg clk;

reg [15:0] adr;

reg [171:0] bcd;

reg [7:0] count;

wire [127:0] bin;

integer outfile;

initial begin

        rst = 1'b0;

        clk = 1'b0;

        adr = 0;

        bcd = $urandom(1);

        #20 rst = 1;

        #50 rst = 0;

        #10000000  $fclose(outfile);

        #10 $finish;

end

always #5

        clk = ~clk;

genvar g;

generate begin : gRand

        for (g = 0; g < 172; g = g + 4) begin

                always @(posedge clk) begin

                        if (count==2)

                                bcd[g+3:g] <= $urandom() % 10;

                end

        end

end

endgenerate

always @(posedge clk)

if (rst) begin

        adr <= 0;

        count <= 0;

end

else

begin

  if (adr==0) begin

    outfile = $fopen("d:/cores2022/rf6809/rtl/dfpu/test_bench/DDBinToBCD_tvo.txt", "wb");

    $fwrite(outfile, " ------ bin ------  ------ bcd ------  \n");

  end

        count <= count + 1;

        if (count > 140)

                count <= 1'd1;

        if (adr==2) begin

                bcd <= 172'h010;

        end

        if (adr==3) begin

                bcd <= 172'h0100;

        end

        if (adr==4) begin

                bcd <= 172'h12345678;

        end

        if (count==140) begin

        $fwrite(outfile, "%h\t%h\n", bin, bcd);

                adr <= adr + 1;

        end

end

//fpMulnr #(64) u1 (clk, 1'b1, a, b, o, rm);//, sign_exe, inf, overflow, underflow);

DDBCDToBin #(128) u6 (

        .rst(rst),

  .clk(clk),

  .ld(count==3),

  .bcd(bcd),

  .bin(bin)

);

endmodule