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`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
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