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+library ieee;
+use ieee.std_logic_1164.all;
+
+
+library ieee;
+use ieee.numeric_std.all;
+
+entity wl_code_table is
+ port (
+ clk : in std_logic;
+ ra0_data : out std_logic_vector(31 downto 0);
+ ra0_addr : in std_logic_vector(3 downto 0)
+ );
+end wl_code_table;
+architecture augh of wl_code_table is
+
+ -- Embedded RAM
+
+ type ram_type is array (0 to 15) of std_logic_vector(31 downto 0);
+ signal ram : ram_type := ("11111111111111111111111111000100", "00000000000000000000101111100010", "00000000000000000000010010101110", "00000000000000000000001000011010", "00000000000000000000000101001110", "00000000000000000000000010101100", "00000000000000000000000000111010", "11111111111111111111111111100010", "00000000000000000000101111100010", "00000000000000000000010010101110", "00000000000000000000001000011010", "00000000000000000000000101001110", "00000000000000000000000010101100", "00000000000000000000000000111010", "11111111111111111111111111100010", "11111111111111111111111111000100");
+
+
+ -- Little utility functions to make VHDL syntactically correct
+ -- with the syntax to_integer(unsigned(vector)) when 'vector' is a std_logic.
+ -- This happens when accessing arrays with <= 2 cells, for example.
+
+ function to_integer(B: std_logic) return integer is
+ variable V: std_logic_vector(0 to 0);
+ begin
+ V(0) := B;
+ return to_integer(unsigned(V));
+ end;
+
+ function to_integer(V: std_logic_vector) return integer is
+ begin
+ return to_integer(unsigned(V));
+ end;
+
+begin
+
+ -- The component is a ROM.
+ -- There is no Write side.
+
+ -- The Read side (the outputs)
+
+ ra0_data <= ram( to_integer(ra0_addr) );
+
+end architecture;