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-- You must compile the wrapper file loopback_fifo.vhd when simulating
-- the core, loopback_fifo. When compiling the wrapper file, be sure to
-- reference the XilinxCoreLib VHDL simulation library. For detailed
-- instructions, please refer to the "CORE Generator Help".

-- The synthesis directives "translate_off/translate_on" specified
-- below are supported by Xilinx, Mentor Graphics and Synplicity
-- synthesis tools. Ensure they are correct for your synthesis tool(s).

LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
-- synthesis translate_off
Library XilinxCoreLib;
-- synthesis translate_on
ENTITY loopback_fifo IS
	port (
	din: IN std_logic_VECTOR(15 downto 0);
	rd_clk: IN std_logic;
	rd_en: IN std_logic;
	rst: IN std_logic;
	wr_clk: IN std_logic;
	wr_en: IN std_logic;
	dout: OUT std_logic_VECTOR(15 downto 0);
	empty: OUT std_logic;
	full: OUT std_logic);
END loopback_fifo;

ARCHITECTURE loopback_fifo_a OF loopback_fifo IS
-- synthesis translate_off
component wrapped_loopback_fifo
	port (
	din: IN std_logic_VECTOR(15 downto 0);
	rd_clk: IN std_logic;
	rd_en: IN std_logic;
	rst: IN std_logic;
	wr_clk: IN std_logic;
	wr_en: IN std_logic;
	dout: OUT std_logic_VECTOR(15 downto 0);
	empty: OUT std_logic;
	full: OUT std_logic);
end component;

-- Configuration specification 
	for all : wrapped_loopback_fifo use entity XilinxCoreLib.fifo_generator_v4_2(behavioral)
		generic map(
			c_has_int_clk => 0,
			c_rd_freq => 1,
			c_wr_response_latency => 1,
			c_has_srst => 0,
			c_has_rd_data_count => 0,
			c_din_width => 16,
			c_has_wr_data_count => 0,
			c_full_flags_rst_val => 1,
			c_implementation_type => 2,
			c_family => "spartan3",
			c_use_embedded_reg => 0,
			c_has_wr_rst => 0,
			c_wr_freq => 1,
			c_use_dout_rst => 1,
			c_underflow_low => 0,
			c_has_meminit_file => 0,
			c_has_overflow => 0,
			c_preload_latency => 0,
			c_dout_width => 16,
			c_rd_depth => 16384,
			c_default_value => "BlankString",
			c_mif_file_name => "BlankString",
			c_has_underflow => 0,
			c_has_rd_rst => 0,
			c_has_almost_full => 0,
			c_has_rst => 1,
			c_data_count_width => 14,
			c_has_wr_ack => 0,
			c_use_ecc => 0,
			c_wr_ack_low => 0,
			c_common_clock => 0,
			c_rd_pntr_width => 14,
			c_use_fwft_data_count => 0,
			c_has_almost_empty => 0,
			c_rd_data_count_width => 14,
			c_enable_rlocs => 0,
			c_wr_pntr_width => 14,
			c_overflow_low => 0,
			c_prog_empty_type => 0,
			c_optimization_mode => 0,
			c_wr_data_count_width => 14,
			c_preload_regs => 1,
			c_dout_rst_val => "0",
			c_has_data_count => 0,
			c_prog_full_thresh_negate_val => 16382,
			c_wr_depth => 16384,
			c_prog_empty_thresh_negate_val => 5,
			c_prog_empty_thresh_assert_val => 4,
			c_has_valid => 0,
			c_init_wr_pntr_val => 0,
			c_prog_full_thresh_assert_val => 16383,
			c_use_fifo16_flags => 0,
			c_has_backup => 0,
			c_valid_low => 0,
			c_prim_fifo_type => "8kx4",
			c_count_type => 0,
			c_prog_full_type => 0,
			c_memory_type => 1);
-- synthesis translate_on
BEGIN
-- synthesis translate_off
U0 : wrapped_loopback_fifo
		port map (
			din => din,
			rd_clk => rd_clk,
			rd_en => rd_en,
			rst => rst,
			wr_clk => wr_clk,
			wr_en => wr_en,
			dout => dout,
			empty => empty,
			full => full);
-- synthesis translate_on

END loopback_fifo_a;

