clear_alt_pal_bits to reset what sea setup does

vacation.p8

@@ -513,7 +513,7 @@ end
 
 function title_screen:draw()
  pal()
- memset(0x5f78,0x0,8)
+ clear_alt_pal_bits()
  cls(12)
  print("title screen", 30, 57, 0)
  print("press right arrow", 15, 66, 0)
@@ -818,6 +818,10 @@ function wave(toff)
  return 2.5 * sin((t()+toff)>>1)
 end
 
+function clear_alt_pal_bits()
+ memset(0x5f70,0x0,16)
+end
+
 sea = {}
 mknew(sea)
 
@@ -1022,7 +1026,8 @@ function start_game()
   {
    f = function()
     pal()
-    return view.of{bg.new(), fuzzy_stripey.new{interval=7}}
+    clear_alt_pal_bits()
+    return view.of{bg.new{c=6}, fuzzy_stripey.new{interval=7, colors={12, 7, 14}, weight=8}}
    end,
   },
  }