CLOSES #1478, CLOSES #1479, CLOSES #1488, CLOSES #1510, CLOSES #1511, CLOSES #1514, CLOSES #1521, CLOSES #1522, CLOSES #1545, CLOSES #1557, CLOSES #1563, CLOSES #1565, CLOSES #1566, CLOSES #1577, CLOSES #1594, CLOSES #1596, CLOSES #1606, CLOSES #1608

src/core/Game.lua

@@ -609,9 +609,10 @@ function Game:draw()
   -- ...and for the same reason the UI's own scale has to know the world is
   -- still the backdrop while an opaque menu covers it.  Renderer:uiScale
   -- steps the UI down with the survey zoom only while a world is behind it,
-  -- gated on this frame's world pass -- which the party menu and the bag end
-  -- by being opaque.  Without this hold they lose the step-down and blit at
-  -- full fit scale over a battle drawn at the zoomed-out one.
+  -- gated on this frame's world pass -- which the party menu ends by being
+  -- opaque (the bag's item box shows the map around it, #1521).  Without
+  -- this hold it loses the step-down and blits at full fit scale over a
+  -- battle drawn at the zoomed-out one.
   Renderer.uiWorldHold = Renderer.battleDim ~= nil
   -- ...and a battle keeps its dialogue box and YES/NO inside its own screen
   -- instead of letting them dock to the window edge.

src/core/gen2/Save.lua

@@ -220,6 +220,9 @@ function Save.newGame(opts)
     phoneContacts = {},
     tradeFlags = {},
     pokedex = { seen = {}, caught = {} },
+    -- wLastDexMode (engine/pokedex/pokedex.asm:59-61): the sort mode the
+    -- #DEX reopens in.  NEW_MODE is the cart's zero byte.
+    lastDexMode = "NEW",
     -- wUnownDex: the distinct Unown FORMS caught, in catching order.  A second
     -- record beside the #DEX because the #DEX knows only the species
     -- (src/core/gen2/Unown.lua).
@@ -685,6 +688,12 @@ function Save.validate(save)
   scrubEvents(save, report)
   scrubMapScenes(save, report)
   scrubPlayerState(save, report)
+  -- wLastDexMode: only the three modes the #DEX has (PokedexMenu MODES);
+  -- a hand-edited value falls back to NEW_MODE, the cart's zero byte
+  if save.lastDexMode ~= "NEW" and save.lastDexMode ~= "OLD"
+     and save.lastDexMode ~= "A-Z" then
+    save.lastDexMode = "NEW"
+  end
   -- The `mailmsg` structs get the same treatment for the same reason: their
   -- `type` byte is an item id nothing else in the save vouches for, and a
   -- party key outside 1..6 or a MAILBOX past MAILBOX_CAPACITY is a region the