diff --git a/zdefs.acs b/zdefs.acs
index 1cb400e..5195885 100644
--- a/zdefs.acs
+++ b/zdefs.acs
@@ -643,6 +643,34 @@
 #define SECSEQ_FULLHEIGHT		3
 #define SECSEQ_INTERIOR			4
 
+// Actor pointer selectors
+
+#DEFINE	AAPTR_DEFAULT 0
+#DEFINE	AAPTR_NULL 0x1
+#DEFINE	AAPTR_TARGET 0x2
+#DEFINE	AAPTR_MASTER 0x4
+#DEFINE	AAPTR_TRACER 0x8
+
+#DEFINE	AAPTR_PLAYER_GETTARGET 0x10
+#DEFINE	AAPTR_PLAYER_GETCONVERSATION 0x20
+
+#DEFINE	AAPTR_PLAYER1 0x40
+#DEFINE	AAPTR_PLAYER2 0x80
+#DEFINE	AAPTR_PLAYER3 0x100
+#DEFINE	AAPTR_PLAYER4 0x200
+#DEFINE	AAPTR_PLAYER5 0x400
+#DEFINE	AAPTR_PLAYER6 0x800
+#DEFINE	AAPTR_PLAYER7 0x1000
+#DEFINE	AAPTR_PLAYER8 0x2000
+
+#DEFINE AAPTR_FRIENDPLAYER 0x4000
+
+// Actor pointer operation flags
+
+#DEFINE PTROP_UNSAFETARGET 1
+#DEFINE PTROP_UNSAFEMASTER 2
+#DEFINE PTROP_NOSAFEGUARDS PTROP_UNSAFETARGET |PTROP_UNSAFEMASTER 
+
 // ==========================================================================
 // Skulltag Definitions
 // ==========================================================================
diff --git a/zspecial.acs b/zspecial.acs
index e44339a..6a26cdb 100644
--- a/zspecial.acs
+++ b/zspecial.acs
@@ -252,7 +252,7 @@ special
 	-9:GetActorVelX(1),
 	-10:GetActorVelY(1),
 	-11:GetActorVelZ(1),
-	-12:SetActivator(1),
+	-12:SetActivator(1,2),
 	-13:SetActivatorToTarget(1),
 	-14:GetActorViewHeight(1),
 	-15:GetChar(2),
@@ -278,6 +278,7 @@ special
 	-35:CheckSight(3),
 	-36:SpawnForced(6),
 	-37:AnnouncerSound(2),
+	-38:SetPointer(2,4),
 
 	-1000:__EndOfList__(10);