diff --git a/framehook.asm b/framehook.asm
index fdec526..92cc458 100644
--- a/framehook.asm
+++ b/framehook.asm
@@ -23,7 +23,10 @@
 FrameHookAction:
 	JSL $0080B5 ; Module_MainRouting
 	JSL CheckMusicLoadRequest
-	PHA : PHP
+	PHP : REP #$30 : PHA
+	
+		SEP #$20
+
 		;LDA EnableSRAMTrace : AND.l TournamentSeedInverse : BEQ +
 		;	LDA $1A : BNE ++ : JSL.l WriteStatusPreview : ++ ; write every 256 frames
 		;+
@@ -37,9 +40,9 @@ FrameHookAction:
 				LDA !ITEM_FRAMES_LOW : INC : STA !ITEM_FRAMES_LOW : BNE +
 					LDA !ITEM_FRAMES_HIGH : INC : STA !ITEM_FRAMES_HIGH
 				+
-			SEP #$20 ; set 8-bit accumulator ?? check this
+			;SEP #$20 ; set 8-bit accumulator ?? check this
 		++
-	PLP : PLA
+	REP #$30 : PLA : PLP
 RTL
 ;--------------------------------------------------------------------------------
 NMIHookAction:
diff --git a/msu.asm b/msu.asm
index cec1a19..3daa716 100644
--- a/msu.asm
+++ b/msu.asm
@@ -149,7 +149,8 @@
 ; Extended OST/SPC fallback, decide which track to actually play
 ;--------------------------------------------------------------------------------
 CheckMusicLoadRequest:
-    PHP : REP #$10 : PHA : PHX : PHY
+    PHP : PHB : PHD : REP #$30 : PHA : PHX : PHY
+    LDA #$0000 : TCD : SEP #$20 : PHA : PLB
         LDA !REG_MUSIC_CONTROL_REQUEST : BEQ .skip+3 : BMI .skip+3
         CMP !REG_CURRENT_COMMAND : BNE .continue
         CMP.b #22 : BNE .skip   ; Check GT when mirroring from upstairs
@@ -159,7 +160,7 @@ CheckMusicLoadRequest:
 .skip
         LDA !REG_MUSIC_CONTROL_REQUEST
         STA !REG_MUSIC_CONTROL : STZ !REG_MUSIC_CONTROL_REQUEST
-    PLY : PLX : PLA : PLP
+    REP #$30 : PLY : PLX : PLA : PLD : PLB : PLP
     RTL
         
 .continue
@@ -320,13 +321,13 @@ CheckMusicLoadRequest:
 
 .done
         LDA !REG_MUSIC_CONTROL_REQUEST : STA !REG_MUSIC_CONTROL : STZ !REG_MUSIC_CONTROL_REQUEST
-    PLY : PLX : PLA : PLP
+        REP #$30 : PLY : PLX : PLA : PLD : PLB : PLP
     RTL
 
 .sfx_indoors
         LDA !REG_MUSIC_CONTROL_REQUEST : STA !REG_MUSIC_CONTROL : STZ !REG_MUSIC_CONTROL_REQUEST
-    PLY : PLX : PLA : PLP
-    PHP : SEP #$20 : LDA.b #$05 : STA $012D : PLP
+    SEP #$20 : LDA.b #$05 : STA $012D
+    REP #$30 : PLY : PLX : PLA : PLD : PLB : PLP
     JML Module_PreDungeon_setAmbientSfx
 ;--------------------------------------------------------------------------------
 
@@ -625,12 +626,12 @@ MSUMain:
 ; Wait for the fanfare music to start, or else it can get skipped entirely
 ;--------------------------------------------------------------------------------
 FanfarePreload:
-    STA !REG_MUSIC_CONTROL_REQUEST  ; thing we wrote over
+    STA.l !REG_MUSIC_CONTROL_REQUEST  ; thing we wrote over
     PHA
         JSL CheckMusicLoadRequest
         WAI
     PLA
-    - : CMP !REG_SPC_CONTROL : BNE -
+    - : CMP.l !REG_SPC_CONTROL : BNE -
     JML AddReceivedItem_doneWithSoundEffects
 ;--------------------------------------------------------------------------------
 
@@ -653,7 +654,7 @@ PendantFanfareWait:
     jml PendantFanfareContinue
 .spc
     SEP #$20
-    LDA !REG_SPC_CONTROL : BNE .continue
+    LDA.l !REG_SPC_CONTROL : BNE .continue
 .done
     jml PendantFanfareDone
 ;--------------------------------------------------------------------------------
@@ -677,7 +678,7 @@ CrystalFanfareWait:
     jml CrystalFanfareContinue
 .spc
     SEP #$20
-    LDA !REG_SPC_CONTROL : BNE .continue
+    LDA.l !REG_SPC_CONTROL : BNE .continue
 .done
     jml CrystalFanfareDone
 ;--------------------------------------------------------------------------------