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library ieee;
use ieee.std_logic_1164.all;
entity test is
port (
Reset_n_i : in std_logic;
Clk_i : in std_logic;
Wen_i : in std_logic;
Addr_i : in natural range 0 to 2**8-1;
Din_i : in std_logic_vector(7 downto 0);
Dout_o : out std_logic_vector(7 downto 0)
);
end entity test;
architecture rtl of test is
type t_register is array(0 to 7) of std_logic_vector(7 downto 0);
signal s_register : t_register;
begin
Dout_o <= s_register(Addr_i);
WriteP : process (Clk_i) is
begin
if rising_edge(Clk_i) then
if Reset_n_i = '0' then
s_register <= (others => (others => '0'));
else
if Wen_i = '1' then
s_register(Addr_i) <= Din_i;
end if;
end if;
end if;
end process WriteP;
end architecture rtl;
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