More transitions documentation

include/battle_transition.h

@@ -7,7 +7,7 @@ void BattleTransition_Start(u8 transitionId);
 bool8 IsBattleTransitionDone(void);
 bool8 FldEff_Pokeball(void);
 void TransitionPhase1_Task_RunFuncs(u8 taskId);
-void sub_8149F58(u16 **a0, u16 **a1);
+void GetBg0TilesDst(u16 **tilemap, u16 **tileset);
 
 extern const struct SpritePalette gFieldEffectObjectPaletteInfo10;
 

src/unk_transition.c

@@ -185,11 +185,11 @@ static const TransitionStateFunc sPhase2_41_Funcs[] =
 // code
 static void sub_81DA700(void)
 {
-    u16 *dst1, *dst2;
+    u16 *tilemap, *tileset;
 
-    sub_8149F58(&dst1, &dst2);
-    LZ77UnCompVram(gUnknown_0862AD54, dst2);
-    LZ77UnCompVram(gUnknown_0862AF30, dst1);
+    GetBg0TilesDst(&tilemap, &tileset);
+    LZ77UnCompVram(gUnknown_0862AD54, tileset);
+    LZ77UnCompVram(gUnknown_0862AF30, tilemap);
     LoadPalette(gUnknown_0862B53C, 0xF0, 0x20);
     LoadCompressedSpriteSheet(&sUnknown_0862B724);
     LoadSpritePalette(&sUnknown_0862B72C);