Adds Chest Key counters to $7EF4E0-F

stats.asm

@@ -257,6 +257,36 @@ DecrementSmallKeys:
 	JSL.l UpdateKeys
 RTL
 ;--------------------------------------------------------------------------------
+CountChestKey: ; called from ItemDowngradeFix in itemdowngrade.asm (also from CountBonkItem below)
+    PHA : PHX
+        CPY #$24 : BEQ +  ; small key for this dungeon - use $040C
+        CPY #$A0 : !BLT .end ; Ignore most items
+        CPY #$AE : !BGE .end ; Ignore reserved key and generic key
+        TYA : AND.B #$0F : BNE ++ ; If this is a sewers key, instead count it as an HC key
+            INC
+        ++ TAX : BRA .count  ; use Key id instead of $040C (Keysanity)
+        + LDA $040C : LSR : TAX
+        .count
+        LDA $7EF4E0, X : INC : STA $7EF4E0, X
+   .end
+    PLX : PLA
+RTS
+;--------------------------------------------------------------------------------
+CountBonkItem: ; called from GetBonkItem in bookofmudora.asm
+    LDA $A0 ; check room ID - only bonk keys in 2 rooms so we're just checking the lower byte
+    CMP #115 : BNE + ; Desert Bonk Key
+        LDA.L BonkKey_Desert : BRA ++
+    + : CMP #140 : BNE + ; GTower Bonk Key
+        LDA.L BonkKey_GTower : BRA ++
+    + LDA.B #$24 ; default to small key
+    ++
+    CMP #$24 : BNE +
+        PHY
+            TAY : JSR CountChestKey
+        PLY
+    +
+RTS
+;--------------------------------------------------------------------------------
 IncrementAgahnim2Sword:
 	PHA
 		LDA !LOCK_STATS : BNE +