inverted flute activation fix

LTTP_RND_GeneralBugfixes.asm

@@ -486,6 +486,9 @@ AddReceivedItem:
 org $098BAD
 AddPendantOrCrystal:
 
+org $098CFD
+AddWeathervaneExplosion:
+
 org $0993DF
 AddDashTremor:
 

flute.asm

@@ -59,3 +59,39 @@ FluteBoy:
 	LDA $0D80, X : CMP.b #$03 ; thing we wrote over
 JML.l FluteBoy_Continue
 ;--------------------------------------------------------------------------------
+FreeDuckCheck:
+	LDA.l InvertedMode : BEQ .done
+	
+    ; check the area, is it #$18 = 30?
+    LDA $8A : CMP.b #$18 : BNE .done
+
+	REP #$20
+	
+    ; Y coordinate boundaries for setting it off.
+    LDA $20
+    
+    CMP.w #$0760 : BCC .done
+    CMP.w #$07E0 : BCS .done
+    
+    ; do if( (Ycoord >= 0x0760) && (Ycoord < 0x07e0
+    LDA $22
+    
+    CMP.w #$01CF : BCC .done
+    CMP.w #$0230 : BCS .done
+    
+    ; do if( (Xcoord >= 0x1cf) && (Xcoord < 0x0230)
+    SEP #$20
+    
+    ; Apparently a special Overworld mode for doing this?
+    LDA.b #$2D : STA $11
+    
+    ; Trigger the sequence to start the weathervane explosion.
+    LDY.b #$00
+    LDA.b #$37
+    
+    JSL AddWeathervaneExplosion
+	.done
+    SEP #$20
+	LDA.b #$80 : STA $03F0 ; thing we wrote over, load flute timer
+RTL
+;--------------------------------------------------------------------------------

hooks.asm

@@ -1951,6 +1951,9 @@ org $02EC2E ;<- 016C2E
 JSL.l Overworld_LoadNewTiles
 NOP #$02
 ;================================================================================
+org $07A3E2 ;<- 3A3E2 Bank07.asm:5764 (LDA.b #$80 : STA $03F0)
+JSL.l FreeDuckCheck : NOP
+;================================================================================
 ;THOSE MIGHT NEED TO BE ON OR OFF WHEN INVERTED MODE IS ON OR OFF :D
 ;Note it doesn't really matter since if warps are not under rocks they can't appear
 ;Inverted mode Items HOOKS