Disallow Minish form during intro

Masks/minish_form.asm

@@ -27,7 +27,7 @@ pullpc
 LinkState_CheckForMinishForm:
 {
   SEP #$30
-
+  LDA.l GAMESTATE : BEQ .return
     JSL $0FF979 ; AncillaSpawn_SwordChargeSparkle
 
     ; Check for the R button (like minish cap)
@@ -41,11 +41,9 @@ LinkState_CheckForMinishForm:
 
       ; Check if the value in A (from $0202) is GTE to $16.
       CMP.b #$17 : BCS .continue
-
         LDA.b #$3C : STA.w $012E ; Error beep
         JMP .return
-
-.continue
+      .continue
 
       LDA   !CurrentMask
       CMP.b #$05 : BEQ .already_minish ; return to human form
@@ -58,12 +56,11 @@ LinkState_CheckForMinishForm:
       LDA #$05 : STA $02B2 ; Set the current mask form
       BRA .return
 
-.already_minish
+      .already_minish
       %PlayerTransform()
       %ResetToLinkGraphics()
 
-.return
-
+  .return
   REP #$30
   RTS
 }