diff --git a/pcode.c b/pcode.c
index c2a277d..f07b841 100644
--- a/pcode.c
+++ b/pcode.c
@@ -448,6 +448,9 @@ static char *PCDNames[PCODE_COMMAND_COUNT] =
 	"PCD_THINGDAMAGE2",
 	"PCD_USEINVENTORY",
 	"PCD_USEACTORINVENTORY",
+	"PCD_CHECKACTORCEILINGTEXTURE",
+	"PCD_CHECKACTORFLOORTEXTURE",
+	"PCD_GETACTORLIGHTLEVEL",
 };
 
 // CODE --------------------------------------------------------------------
diff --git a/pcode.h b/pcode.h
index f235eda..a2b988a 100644
--- a/pcode.h
+++ b/pcode.h
@@ -399,6 +399,9 @@ typedef enum
 	PCD_THINGDAMAGE2,
 	PCD_USEINVENTORY,
 	PCD_USEACTORINVENTORY,
+	PCD_CHECKACTORCEILINGTEXTURE,
+	PCD_CHECKACTORFLOORTEXTURE,
+	PCD_GETACTORLIGHTLEVEL,
 
 	PCODE_COMMAND_COUNT
 } pcd_t;
diff --git a/symbol.c b/symbol.c
index acafe6c..feb622b 100644
--- a/symbol.c
+++ b/symbol.c
@@ -183,6 +183,9 @@ static internFuncDef_t InternalFunctions[] =
 	{ "thing_damage2", PCD_NOP, PCD_THINGDAMAGE2, 3, 0, 0, YES, NO },
 	{ "useinventory", PCD_NOP, PCD_USEINVENTORY, 1, 0, 0, YES, NO },
 	{ "useactorinventory", PCD_NOP, PCD_USEACTORINVENTORY, 2, 0, 0, YES, NO },
+	{ "checkactorceilingtexture", PCD_NOP, PCD_CHECKACTORCEILINGTEXTURE, 2, 0, 0, YES, NO },
+	{ "checkactorfloortexture", PCD_NOP, PCD_CHECKACTORFLOORTEXTURE, 2, 0, 0, YES, NO },
+	{ "getactorlightlevel", PCD_NOP, PCD_GETACTORLIGHTLEVEL, 1, 0, 0, YES, NO },
 	
 	{ NULL, PCD_NOP, PCD_NOP, 0, 0, 0, NO, NO }
 };