`timescale 1us/1us

`ifndef ZBUFFER
`define ZBUFFER

module zbuffer #(
  parameter BUFFER_WIDTH = 8
) (
  // async - output data
  input wire en_output_in,

  input wire [(BUFFER_WIDTH-1) : 0] data_in,
  // output (to bus) if output enabled.
  output wire [(BUFFER_WIDTH-1) : 0] data_out
);

assign data_out = en_output_in ? data_in : {BUFFER_WIDTH{1'bz}};

endmodule

`endif