Inside the memory

[user4637]

library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.std_logic_arith.all;
use IEEE.std_logic_unsigned.all;

entity memory is
port (
rst : in std_logic; -- signal global
clock : in std_logic; -- signal global
read : in std_logic; -- Signal qui indique la lecture ou ecriture a la
-- memoire: 0 ecrit dans la memoire
-- 1 lit la memoire
address : in std_logic_vector(7 downto 0); -- Addresse de memoire (ecriture ou lecture)
dataIn : in std_logic_vector(7 downto 0); -- Donne d'entree
dataOut : out std_logic_vector(7 downto 0) -- Donne de sortie
);


end memory;

Architecture behavioural of memory is
--
-- Partie declarative de l'architecture
--

type MEMORY is array (Natural range <>) of std_logic_vector(7 downto 0);
constant RAM_SIZE : integer := 255;
--signal sysRAM : MEMORY(0 to RAM_SIZE) ;
--
--Addr Mnemonic INSTRUCTION
signal sysRAM : MEMORY(0 to RAM_SIZE) := (
('0', '1', '1', '0', '0', '0', '0', '0'), -- compléter selon programme.txt
('0', '0', '0', '0', '0', '0', '1', '1'),
('0', '1', '1', '1', '0', '0', '0', '0'),
('0', '0', '0', '0', '0', '0', '1', '0'),
('0', '0', '0', '0', '0', '1', '1', '0'),
('0', '0', '0', '1', '0', '0', '0', '0'),
('0', '0', '0', '0', '0', '1', '1', '1'),
('1', '1', '0', '0', '0', '0', '0', '0'),
('0', '0', '0', '1', '0', '1', '0', '0'),
('1', '0', '1', '0', '0', '0', '0', '0'),
('0', '0', '0', '0', '1', '1', '0', '1'),
('0', '1', '1', '0', '0', '0', '0', '0'),
('1', '0', '1', '0', '0', '0', '0', '0'),
('1', '1', '1', '0', '0', '0', '0', '0'),
('0', '1', '1', '0', '0', '0', '0', '0'),
('0', '0', '1', '0', '1', '1', '1', '1'),
('0', '1', '1', '1', '0', '0', '0', '0'),
--('0', '1', '0', '1', '1', '0', '0', '1'),
("01011001"),
("01000000"),
("00100000"),
("10000000"),
("00000000"),
("00000000"),
("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),
("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"),("00000000"));


begin


RAM: process (rst,clock,read,address)
begin
if (clock'event and clock = '0') then
if rst = '0' then
dataOut <= sysRAM(CONV_INTEGER(address));
elsif read = '1' then
dataOut <= sysRAM(CONV_INTEGER(address));

else
sysRAM(CONV_INTEGER(address)) <= dataIn;
end if;
end if;


end process;

end architecture behavioural;