diff --git a/sources_snake/types.vhd b/sources_snake/types.vhd
new file mode 100644
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--- /dev/null
+++ b/sources_snake/types.vhd
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+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+package types is
+    type coord is array(0 to 39, 0 to 29) of unsigned(10 downto 0);
+    type direction is (haut, bas, gauche, droite);
+    type pos is record
+        X: unsigned(9 downto 0);
+        Y: unsigned(8 downto 0);
+        dir: direction;
+        isDefined: std_logic;
+    end record;
+    type listSnake is array(0 to 1200) of pos;
+end package;