implement emergency exit hook

awakener itself is not implemented but the code to get there is there.
the awakener itself needs the entire text zonk engine first

vacation.p8

@@ -244,15 +244,43 @@ function _init()
  -- complex fill API mode
  poke(0x5f34, 1)
 
+ awakener_hold_frames = 0
  mainview = ao_splash.new()
 end
 
 function _update60()
+ if awakener_armed then
+  if btn() & 0x30 > 0 then
+   awakener_hold_frames += 1
+  else
+   awakener_hold_frames = 0
+  end
+  if awakener_hold_frames == 90 then
+   exit_dither = ditherer.new{di=1}
+   awakener_armed = false
+  end
+ end
+ if exit_dither and exit_dither:update() then
+  exit_dither = nil
+  awakener_hold_frames=0
+  mainview = fast_awakener.new()
+ end
  mainview:update()
 end
 
 function _draw()
  mainview:draw()
+ if awakener_hold_frames >= 30 then
+  local gpx=(awakener_hold_frames-30) * 2 + 7
+  rectfill(0,0,gpx,9,4)
+  rectfill(gpx+1,0,128,9,5)
+  font_default()
+  print("keep holding for awakener", 1, 1, 7)
+  font_special()
+ end
+ if exit_dither then
+  exit_dither:draw()
+ end
 end
 
 function font_dogica()
@@ -560,6 +588,20 @@ end
 -->8
 -- awakener
 
+fast_awakener = {}
+mknew(fast_awakener)
+
+function fast_awakener:update()
+ --todo: implement
+end
+
+function fast_awakener:draw()
+ cls()
+ pal()
+ clear_alt_pal_bits()
+ font_default()
+ print("placeholder", 45, 61, 8)
+end
 
 -->8
 -- consent screens
@@ -612,6 +654,8 @@ mknew(consent_splash, function(self)
  self.d = ditherer.new{
   di=-1
  }
+ awakener_armed = true
+ awakener_hold_frames = 0
 end)
 
 function consent_splash:update()
@@ -624,6 +668,7 @@ function consent_splash:update()
 end
 
 function consent_splash:draw()
+ cls()
  font_special()
  print("\^w\^twarning", 20, 2, 10)
  font_default()