diff --git a/LTTP_RND_GeneralBugfixes.asm b/LTTP_RND_GeneralBugfixes.asm
index f272c71..37ece34 100644
--- a/LTTP_RND_GeneralBugfixes.asm
+++ b/LTTP_RND_GeneralBugfixes.asm
@@ -27,6 +27,15 @@ db #$00 ; expand file to 2mb
 org $1FFFF8 ; <- FFFF8 timestamp rom
 db #$20, #$19, #$08, #$31 ; year/month/day
 
+;================================================================================
+!ROM_VERSION_LOW ?= 1  ; ROM version (two 16-bit integers)
+!ROM_VERSION_HIGH ?= 1 ;
+
+org $00FFE0 ; Unused hardware vector
+RomVersion:
+dw !ROM_VERSION_LOW
+dw !ROM_VERSION_HIGH
+
 ;================================================================================
 
 !ADD = "CLC : ADC"
diff --git a/compasses.asm b/compasses.asm
index 37295c2..4308465 100644
--- a/compasses.asm
+++ b/compasses.asm
@@ -14,7 +14,13 @@ endmacro
 
 DrawDungeonCompassCounts:
 	LDX $1B : BNE + : RTL : + ; Skip if outdoors
-	LDX $040C : CPX.b #$FF : BEQ .done ; Skip if not in a dungeon
+
+	; extra hard safeties for getting dungeon ID to prevent crashes
+	PHA
+	LDA.w $040C : AND.w #$00FE : TAX ; force dungeon ID to be multiple of 2
+	PLA
+
+	CPX.b #$1B : BCS .done ; Skip if not in a valid dungeon ID
 
 	CMP.w #$0002 : BEQ ++ ; if CompassMode==2, we don't check for the compass
 		LDA $7EF364 : AND.l DungeonItemMasks, X ; Load compass values to A, mask with dungeon item masks
diff --git a/events.asm b/events.asm
index 07733f3..9e910c6 100644
--- a/events.asm
+++ b/events.asm
@@ -178,7 +178,7 @@ RTL
 ;--------------------------------------------------------------------------------
 OnLinkDamaged:
 	JSL.l IncrementDamageTakenCounter_Arb
-	JSL.l FlipperKill
+	;JSL.l FlipperKill
 	JML.l OHKOTimer
 
 ;--------------------------------------------------------------------------------
diff --git a/flipperkill.asm b/flipperkill.asm
index ac782c2..418a6e7 100644
--- a/flipperkill.asm
+++ b/flipperkill.asm
@@ -68,3 +68,70 @@ MysteryWaterFunction: ; *$3AE54 ALTERNATE ENTRY POINT
     STZ $0360
 RTL
 ;--------------------------------------------------------------------------------
+
+
+;===================================================================================================
+; More elegant solution
+;===================================================================================================
+
+protectff:
+	LDA.l AllowAccidentalMajorGlitch
+	BEQ .yes_protect
+
+	RTL
+
+.yes_protect
+	REP #$30
+
+	LDA.b $20
+	AND.w #$1E00
+	ASL
+	ASL
+	ASL
+	STA.b $06
+
+	LDA.b $22
+	AND.w #$1E00
+	ORA.b $06
+
+	XBA
+	LSR
+	TAX
+
+	SEP #$30
+
+	; Remove dark world bit
+	; in game table that converts coordinates to actual screen ID
+	; special case for other areas
+	LDA.b $8A
+	BMI .special_overworld
+
+	AND.b #$3F
+	CMP.l $02A4E3,X
+	BEQ ++
+
+.protect
+	LDA.b #$15
+	STA.b $5D
+
+	STZ.b $2E
+	STZ.b $67
+
+	LDA.b #$02
+	STA.b $2F
+
+	STZ.w $0112
+	STZ.w $02E4
+	STZ.w $0FFC
+
+++	RTL
+
+.special_overworld
+	CMP.l .spow,X
+	BNE .protect
+
+	RTL
+
+.spow
+	db $80, $81, $81, $FF, $FF, $FF, $FF, $FF
+	db $FF, $81, $81, $FF, $FF, $FF, $FF, $FF
diff --git a/hooks.asm b/hooks.asm
index c0851b8..a5d8c90 100755
--- a/hooks.asm
+++ b/hooks.asm
@@ -2253,8 +2253,18 @@ JSL.l OnLinkDamagedFromPitOutdoors
 org $078F27 ; <- 38F27
 JSL.l FlipperReset
 ;--------------------------------------------------------------------------------
-org $09F40B ; <- 4F40B - module_death.asm:222 (LDX.b #$00)
-JSL.l IgnoreFairyCheck
+org $02B468
+	dw FakeFlipperProtection
+
+org $02FFC7
+FakeFlipperProtection:
+	JSR.w $029485
+	JSL protectff
+	RTS
+
+;--------------------------------------------------------------------------------
+;org $09F40B ; <- 4F40B - module_death.asm:222 (LDX.b #$00)
+;JSL.l IgnoreFairyCheck
 ;--------------------------------------------------------------------------------
 org $078F51 ; <- 38F51 - Bank07.asm:2444 (JSR $AE54 ; $3AE54 IN ROM)
 JSL.l OnEnterWater : NOP
@@ -2517,13 +2527,13 @@ org $0DA9C8 ; <- 06A9C8 - player_oam.asm: 1663 (AND.w #$00FF : CMP.w #$00F8 : BC
 LDA $02 ; always zero! (this replaces the BCC)
 ADC.w #0000 ; put the carry bit into the accumulator instead of a hardcoded 1.
 ;-------------------------------------------------------------------------------
-org $02fd6f ; <- 017d6f - bank0E.asm: 3694 (LoadActualGearPalettes:) Note: Overflow of bank02 moved to 0e in US Rom
+org $02FD6F ; <- 017d6f - bank0E.asm: 3694 (LoadActualGearPalettes:) Note: Overflow of bank02 moved to 0e in US Rom
 JSL LoadActualGearPalettesWithGloves
 RTL
 ;--------------------------------------------------------------------------------
 ; Bunny Palette/Overworld Map Bugfix
 ;--------------------------------------------------------------------------------
-org $02fdf0 ; <- 017df0 - bank0E (LDA [$00] : STA $7EC300, X : STA $7EC500, X)
+org $02FDF0 ; <- 017df0 - bank0E (LDA [$00] : STA $7EC300, X : STA $7EC500, X)
 JSL LoadGearPalette_safe_for_bunny
 RTS
 ;================================================================================
diff --git a/init.asm b/init.asm
index ad007ea..8fc9a65 100644
--- a/init.asm
+++ b/init.asm
@@ -1,3 +1,5 @@
+RomVersionSRAM = $701FFC
+
 ;--------------------------------------------------------------------------------
 ; Init_Primary
 ;--------------------------------------------------------------------------------
@@ -39,6 +41,11 @@ Init_Primary:
 			LDA $00FFC0, X : STA $702000, X
 			INX
 			CPX #$15 : !BLT -
+                LDX #$00
+                -
+                        LDA RomVersion, X : STA RomVersionSRAM, X
+                        INX
+                        CPX #$04 : !BLT -
 	.done
 
 	REP #$20
diff --git a/spc.asm b/spc.asm
index e1c564b..8946463 100644
--- a/spc.asm
+++ b/spc.asm
@@ -1,107 +1,74 @@
-; WARNING: THIS CODE IS EXTREMELY FRAGILE
-
-macro copybin(source, length)
-    !copycount #= 0
-    while !copycount+3 < <length>
-        dd read4(pctosnes(<source>+!copycount))
-        !copycount #= !copycount+4
-    endif
-
-    while !copycount < <length>
-        db read1(pctosnes(<source>+!copycount))
-        !copycount #= !copycount+1
-    endif
-endmacro
+MSUCode = $00277E
 
 ;@ pushpc
-org $008901
-LDA.b #SPCData : STA $00
-LDA.b #SPCData>>8 : STA $01
-LDA.b #SPCData>>16 : STA $02
-;@ pullpc
 
-SPCData:
-;@ check bankcross off
-%copybin($0C8000, $7BCA)
-
-!SPCEngineStart = $0800
-!SPCCodeStart = $07A7
-
-dw ($0F9E+(!SPCEngineStart-!SPCCodeStart))
-dw !SPCCodeStart
-
-;@ pushpc
-;@ pushbase
-
-arch spc700
-base !SPCCodeStart
-org $34FBCE;-(!SPCEngineStart-!SPCCodeStart)
-NewSPCCode:
-
-SpecialCommand_Mute:
-CMP A,#$F0      ; The thing we overwrote
-BNE +
-    JMP $0A81   ; SilenceSong
-+
-CMP A,#$FA      ; New mute command $FA
-BNE +
-    MOV $F4,A
-    MOV A,#$00
-    MOV $0A4A,A ; $0A49: MOV A,#$70 -> MOV A,#$00
-    MOV $0AF3,A ; $0AF2: MOV $059,#$C0 -> MOV $059,#$00
-    MOV $0C32,A ; $0C32: MOVW $058,YA -> NOP #2
-    MOV $0C33,A
-    MOV A,#$C4  ; $0D19: MOVW $058,YA -> MOV A,$058
-    MOV $0D19,A
-    MOV A,#$58
-    MOV $0D1A,A
-    BRA +++
-+
-CMP A,#$FB      ; New unmute command $FB
-BEQ +
-    JMP $0A9D   ; NewSongInput
-+
-MOV $F4,A
-MOV A,#$70
-MOV $0A4A,A     ; $0A49: MOV A,#$70
-MOV A,#$C0
-MOV $0AF3,A     ; $0AF2: MOV $059,#$C0
-MOV A,#$DA
-MOV $0C32,A     ; $0C32: MOVW $058,YA
-MOV $0D19,A     ; $0D19: MOVW $058,YA
-MOV A,#$58
-MOV $0C33,A
-MOV $0D1A,A
-+++
-CALL $0A81      ; SilenceSong
-- : MOV A,$F4
-    BNE -
-    CMP A,$F4
-    BNE -
-MOV $F4,$00
-RET
-
-org !SPCEngineStart
-
-arch 65816
-SPCEngineStart:
-;@ pullbase
-;@ pullpc
-skip !SPCEngineStart-!SPCCodeStart
-%copybin($0CFBCE, $57B2)
-SPCEngineEnd:
-;@ check bankcross on
 
 ; Change track 15 (unused) to point to 13 (Death Mountain) so dark woods can be track 15
 ; Bank 1
 org $1A9F15 ; PC 0x0D1F15 ; SPC $D01C
-	dw #$2B00	; Set track 15 pointer to track 13's data
+	dw $2B00	; Set track 15 pointer to track 13's data
 
-; Bank 2
-org $359F6E ; PC 0x1A9F6E ; SPC $D01C
-	dw #$2B00	; Set track 15 pointer to track 13's data
+pullpc
+
+;---------------------------------------------------------------------------------------------------
 
 arch spc700
-org $34FE9A ; PC 0x1A7E9A ; SPC $0A73
-    JMP !SPCCodeStart : NOP
+
+;@ pushpc
+;@ pushbase
+org $19FE41 ; SPC 0A73
+	JMP MSUCode
+
+; Hijack unreachable SFX data for globally available code
+org $1A9B2E
+base MSUCode
+
+SpecialCommand_Mute:
+	CMP A,#$F0      ; The thing we overwrote
+	BNE +
+		JMP $0A81   ; SilenceSong
+	+
+	CMP A,#$FA      ; New mute command $FA
+	BNE +
+		MOV $F4,A
+		MOV A,#$00
+		MOV $0A4A,A ; $0A49: MOV A,#$70 -> MOV A,#$00
+		MOV $0AF3,A ; $0AF2: MOV $059,#$C0 -> MOV $059,#$00
+		MOV $0C32,A ; $0C32: MOVW $058,YA -> NOP #2
+		MOV $0C33,A
+		MOV A,#$C4  ; $0D19: MOVW $058,YA -> MOV A,$058
+		MOV $0D19,A
+		MOV A,#$58
+		MOV $0D1A,A
+		BRA +++
+	+
+	CMP A,#$FB      ; New unmute command $FB
+	BEQ +
+		JMP $0A9D   ; NewSongInput
+	+
+	MOV $F4,A
+	MOV A,#$70
+	MOV $0A4A,A     ; $0A49: MOV A,#$70
+	MOV A,#$C0
+	MOV $0AF3,A     ; $0AF2: MOV $059,#$C0
+	MOV A,#$DA
+	MOV $0C32,A     ; $0C32: MOVW $058,YA
+	MOV $0D19,A     ; $0D19: MOVW $058,YA
+	MOV A,#$58
+	MOV $0C33,A
+	MOV $0D1A,A
+	+++
+	CALL $0A81      ; SilenceSong
+-	MOV A,$F4
+		BNE -
+		CMP A,$F4
+		BNE -
+	MOV $F4,$00
+	RET
+
+warnpc $1A9B91
+
+;@ pullbase
+;@ pullpc
+
 arch 65816
diff --git a/tables.asm b/tables.asm
index 48a3cbe..b6a781c 100644
--- a/tables.asm
+++ b/tables.asm
@@ -1765,6 +1765,7 @@ dw $0000
 ; STAIRS3
 ; STAIRS4
 ;--------------------------------------------------------------------------------
+RoomHeaders:
 org $30DA00 : RoomHeader_0000: ; pc 0x185A00
 db $41, $21, $13, $22, $07, $3D, $00, $00, $00, $10, $C0, $00, $00, $04