sub_812EB58; port scanline_effect

include/new_menu_helpers.h

@@ -24,5 +24,8 @@ u8 GetStartMenuWindowId(void);
 void sub_80F7998(void);
 void sub_80F69E8(u8 bgId, const void *src, u32 size, u16 offset, u8 mode);
 void sub_80F6F1C(u8 windowId, bool8 copyNow);
+void sub_80F6C6C(void);
+void sub_80F6C98(void);
+void sub_80F77CC(u16);
 
 #endif // GUARD_NEW_MENU_HELPERS_H