Update 'mid'

mid.md

@@ -13,23 +13,14 @@ L'ultim valor a comparar.
 ### Exemple
 ```
 function init()
-    setmode(2)
-    x,y=10,7
-    color(COLOR_YELLOW, COLOR_BLUE)
+    setmode(1)
 end
 
 function update()
     cls()
-    if btn(KEY_UP) then
-        y = max(0, y-1)
-    elseif btn(KEY_DOWN) then
-        y = min(y+1, 14)
-    end
-    if btn(KEY_LEFT) then
-        x = max(0, x-1)
-    elseif btn(KEY_RIGHT) then
-        x = min(x+1, 19)
-    end
+    local x = mid(0,mousex(),39)
+    local y = mid(0,mousey(),29)
+    print(x..","..y, 0, 0)
     print("\224",x,y)
 end
 ```