cleanup portal rod code

Items/portal_rod.asm

@@ -14,7 +14,6 @@ LinkItem_PortalRod:
   JSR   Link_CheckNewY_ButtonPress : BCC .return
     LDX.b #$00
     JSR   LinkItem_EvaluateMagicCost : BCC .insufficient_mp
-  
       LDA.b #$30 : JSR $802F    ; Sfx3
       JSL   LinkItem_FirePortal
       
@@ -22,9 +21,6 @@ LinkItem_PortalRod:
 
       JSR $AE65 ; HaltLinkWhenUsingItems
       
-  ; What's the point of this?
-  ; LDA $67 : AND.b #$F0 : STA $67
-  
       DEC $3D : BPL .return
       
       LDA $0300 : INC A : STA $0300 : TAX
@@ -33,8 +29,8 @@ LinkItem_PortalRod:
       
       CPX.b #$03 : BNE .return
       
-  STZ $5E
       STZ $0300
+      STZ $5E      
       STZ $3D
       
       LDA $0301 : AND.b #$FE : STA $0301
@@ -183,25 +179,16 @@ ScrollToPortal:
   STZ $02
   
   LDA $22 : CMP $7EC186 : BEQ .set_x : BCC .x_low
-  
     DEC $02
-  
     DEC A : CMP $7EC186 : BEQ .set_x
-  
     DEC $02
-  
     DEC A
-  
     BRA .set_x
-
   .x_low
 
   INC $02
-  
   INC A : CMP $7EC186 : BEQ .set_x
-  
   INC $02
-  
   INC A
 
   .set_x
@@ -209,39 +196,25 @@ ScrollToPortal:
   STA $22
   
   LDA $20 : CMP $7EC184 : BEQ .set_y : BCC .y_low
-  
     DEC $00
-  
     DEC A : CMP $7EC184 : BEQ .set_y
-  
     DEC $00
-  
     DEC A
-  
     BRA .set_y
-
   .y_low
 
   INC $00
-  
   INC A : CMP $7EC184 : BEQ .set_y
-  
   INC $00
-  
   INC A
 
   .set_y
 
   STA $20
-  
   CMP $7EC184 : BNE .delay_advance
-  
     LDA $22 : CMP $7EC186 : BNE .delay_advance
-  
       INC $B0
-  
       STZ $46
-
   .delay_advance
 
   SEP #$20
@@ -252,9 +225,7 @@ ScrollToPortal:
   JSL Overworld_OperateCameraScroll_Long ; $13B90 IN ROM
   
   LDA $0416 : BEQ .exit
-  
     JSL Overworld_ScrollMap_Long ; $17273 IN ROM
-
   .exit
 
   RTL