source: trunk/MultiChannelUSB/suppression.v@ 88

module suppression
        (
                input   wire                    clk,
                input   wire    [11:0]  data,
                input   wire    [11:0]  baseline,
                
                output  wire    [11:0]  result
        );

        reg             [11:0]  result_int;

        always @(posedge clk)
        begin
                if (data > baseline)
                begin
                        result_int <= data - baseline;
                end
                else
                begin
                        result_int <= 12'd0;
                end
        end

        assign  result = result_int;
endmodule