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`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
//
// (c) 2014 Timothy Pearson, Raptor Engineering
// Released into the Public Domain
//
//////////////////////////////////////////////////////////////////////////////////

module data_storage(
	input clka,
	input [7:0] dina,
	input [(RAM_ADDR_BITS-1):0] addra,
	input wea,
	output reg [7:0] douta);

	parameter RAM_ADDR_BITS = 14;
	parameter RAM_WIDTH = 8;
	
	// Xilinx specific directive
	(* RAM_STYLE="BLOCK" *)
	
	reg [RAM_WIDTH-1:0] data_storage_ram [(2**RAM_ADDR_BITS)-1:0];
	
	always @(posedge clka) begin
		if (wea) begin
			data_storage_ram[addra] <= dina;
			douta <= dina;
		end else begin
			douta <= data_storage_ram[addra];
		end
	end

endmodule