rename partial files

inc/system.input.lua

@@ -0,0 +1,11 @@
+--------------------------------------------------------------------------------
+-- Input Module
+--------------------------------------------------------------------------------
+function Input.up() return btnp(0) end
+function Input.down() return btnp(1) end
+function Input.left() return btn(2) end
+function Input.right() return btn(3) end
+function Input.player_jump() return btnp(4) end
+function Input.menu_confirm() return btnp(4) end
+function Input.player_interact() return btnp(5) end -- B button
+function Input.menu_back() return btnp(5) end