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-- LF_FRAME_PLACER.vhd
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library IEEE;
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use IEEE.std_logic_1164.all;
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use IEEE.numeric_std.all;
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entity LF_FRAME_PLACER is
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generic(WordSize :integer := 8;WordCnt : integer := 144;MinFCount : integer := 64);
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port(
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clk : in std_logic;
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Wcount : in integer range 0 to WordCnt-1;
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Flag : out std_logic;
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LF1 : in std_logic_vector(15 downto 0);
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LF2 : in std_logic_vector(15 downto 0);
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LF3 : in std_logic_vector(15 downto 0);
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WordOut : out std_logic_vector(WordSize-1 downto 0)
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);
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end entity;
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architecture ar_LF_FRAME_PLACER of LF_FRAME_PLACER is
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begin
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process(clk)
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begin
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if clk'event and clk ='1' then
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case Wcount is
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when 5 =>
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WordOut <= LF1(15 downto 8);
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Flag <= '1';
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when 6 =>
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WordOut <= LF1(7 downto 0);
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Flag <= '1';
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when 7 =>
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WordOut <= LF2(15 downto 8);
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Flag <= '1';
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when 8 =>
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WordOut <= LF2(7 downto 0);
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Flag <= '1';
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when 9 =>
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WordOut <= LF3(15 downto 8);
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Flag <= '1';
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when 10 =>
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WordOut <= LF3(7 downto 0);
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Flag <= '1';
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when 29 =>
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WordOut <= LF1(15 downto 8);
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Flag <= '1';
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when 30 =>
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WordOut <= LF1(7 downto 0);
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Flag <= '1';
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when 31 =>
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WordOut <= LF2(15 downto 8);
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Flag <= '1';
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when 32 =>
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WordOut <= LF2(7 downto 0);
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Flag <= '1';
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when 33 =>
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WordOut <= LF3(15 downto 8);
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Flag <= '1';
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when 34 =>
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WordOut <= LF3(7 downto 0);
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Flag <= '1';
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when 53 =>
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WordOut <= LF1(15 downto 8);
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Flag <= '1';
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when 54 =>
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WordOut <= LF1(7 downto 0);
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Flag <= '1';
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when 55 =>
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WordOut <= LF2(15 downto 8);
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Flag <= '1';
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when 56 =>
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WordOut <= LF2(7 downto 0);
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Flag <= '1';
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when 57 =>
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WordOut <= LF3(15 downto 8);
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Flag <= '1';
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when 58 =>
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WordOut <= LF3(7 downto 0);
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Flag <= '1';
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when 77 =>
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WordOut <= LF1(15 downto 8);
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Flag <= '1';
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when 78 =>
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WordOut <= LF1(7 downto 0);
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Flag <= '1';
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when 79 =>
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WordOut <= LF2(15 downto 8);
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Flag <= '1';
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when 80 =>
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WordOut <= LF2(7 downto 0);
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Flag <= '1';
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when 81 =>
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WordOut <= LF3(15 downto 8);
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Flag <= '1';
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when 82 =>
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WordOut <= LF3(7 downto 0);
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Flag <= '1';
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when 101 =>
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WordOut <= LF1(15 downto 8);
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Flag <= '1';
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when 102 =>
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WordOut <= LF1(7 downto 0);
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Flag <= '1';
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when 103 =>
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WordOut <= LF2(15 downto 8);
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Flag <= '1';
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when 104 =>
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WordOut <= LF2(7 downto 0);
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Flag <= '1';
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when 105 =>
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WordOut <= LF3(15 downto 8);
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Flag <= '1';
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when 106 =>
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WordOut <= LF3(7 downto 0);
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Flag <= '1';
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when 125 =>
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WordOut <= LF1(15 downto 8);
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Flag <= '1';
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when 126 =>
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WordOut <= LF1(7 downto 0);
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Flag <= '1';
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when 127 =>
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WordOut <= LF2(15 downto 8);
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Flag <= '1';
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when 128 =>
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WordOut <= LF2(7 downto 0);
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Flag <= '1';
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when 129 =>
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WordOut <= LF3(15 downto 8);
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Flag <= '1';
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when 130 =>
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WordOut <= LF3(7 downto 0);
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Flag <= '1';
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when others =>
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WordOut <= X"A5";
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Flag <= '0';
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end case;
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end if;
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end process;
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end ar_LF_FRAME_PLACER;
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