diff --git a/snake/main.c b/snake/main.c
index d5fbd6b..3af4c32 100644
--- a/snake/main.c
+++ b/snake/main.c
@@ -7,26 +7,6 @@
 int main(void)  {
 
 
-
-
-  
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
 
   start();
 
diff --git a/snake/maj_fenetre.c b/snake/maj_fenetre.c
new file mode 100644
index 0000000..6cfa367
--- /dev/null
+++ b/snake/maj_fenetre.c
@@ -0,0 +1,6 @@
+#include <stdlib.h>
+#include <graph.h>
+#include <stdio.h>
+
+
+int 
\ No newline at end of file
diff --git a/snake/maj_fenetre.h b/snake/maj_fenetre.h
new file mode 100644
index 0000000..e69de29
diff --git a/snake/time.c b/snake/time.c
new file mode 100644
index 0000000..56986d8
--- /dev/null
+++ b/snake/time.c
@@ -0,0 +1,34 @@
+
+
+#include <stdlib.h>
+#include <graph.h>
+#include <stdio.h>
+#include <maj_fenetre.h>
+
+
+
+#define CYCLE 10000L
+
+
+int main(void) {
+
+    
+
+    suivant= Microsecondes()+CYCLE;
+
+
+    while (1!=0){
+
+	    if (Microsecondes()>suivant){
+
+            
+
+		    /* une periode s'est écoulé */
+		    /* prochaine date */
+
+		    suivant= Microsecondes()+CYCLE;
+        }
+    }
+
+    return EXIT_SUCCESS;
+}
\ No newline at end of file