Start implementing a menu system, fix game save/load.

main.lua

@@ -1,25 +1,34 @@
 function _init()
-   pal(11, 139, 1)
+   pal(11, 139, 1) -- tone down the bright green
+   menu_mode = false -- global used for menu control
 
    -- module inits
    init_savegame""
+   init_menu""
    init_sound""
    init_world""
    init_player""
    init_debug""
 
    load_game""
-
 end
 
 
 function _update()
-   handle_input""
+   if menu_mode then
+      menu_input""
+   else
+      player_input""
+   end
 end
 
 function _draw()
    cls""
-   draw_world(player_x, player_y)
-   draw_player""
+   if (menu_mode) then
+      draw_menu""
+   else
+      draw_world(player_x, player_y)
+      draw_player""
+   end
    debug_print""
 end