diff --git a/demos/sprites/gen/App.TileSetAnim.s b/demos/sprites/gen/App.TileSetAnim.s
index 7732391..142fb2d 100644
--- a/demos/sprites/gen/App.TileSetAnim.s
+++ b/demos/sprites/gen/App.TileSetAnim.s
@@ -12,7 +12,6 @@ TileAnimInit
             pea #170
             pea #3
             _GTECopyTileToDynamic
-            rts
 
             pea #15
             pea #^TileAnim
diff --git a/src/GTE.s b/src/GTE.s
index cc08f42..9af47d7 100644
--- a/src/GTE.s
+++ b/src/GTE.s
@@ -20,8 +20,6 @@ SetBG1XPos         EXT
 SetBG1YPos         EXT
 CopyBG0Tile        EXT
 CopyBG1Tile        EXT
-CopyTileToDyn      EXT
-Render             EXT
 
 ; SCB/Palette binding (high bit of array point indicates whether to bind to BG0 Y position (0)
 ; or BG1 Y position (1).
diff --git a/src/Script.s b/src/Script.s
index 4f48a65..87028a7 100644
--- a/src/Script.s
+++ b/src/Script.s
@@ -47,7 +47,6 @@ _StartScript   phx                      ; Save the script array address
                sta   Timers+8,x
                pla
                sta   Timers+10,x
-
                rts
 
 :err
@@ -84,6 +83,7 @@ _dss_loop      phx                      ; Save the command address
                txy                      ; Cache in the y-register
 
                lda:  0,x                ; Load the command word
+
                pha                      ; Stash it
 
                and   #$001E             ; Only have 16 built-in commands.  Use the _UserCallback
@@ -162,7 +162,7 @@ _SetDTile
                ldx:  ARG1,y
                lda:  ARG2,y
                tay
-               jsl   CopyTileToDyn
+               jsr   CopyTileToDyn
                brl   _dss_cmd_rtn
 
 _UserCallback
diff --git a/src/Timer.s b/src/Timer.s
index 5731c8d..61f3332 100644
--- a/src/Timer.s
+++ b/src/Timer.s
@@ -70,7 +70,7 @@ _AddTimer
 
 :oneshot        txa                                           ; return the slot ID and a success status
                 clc
-                rtl
+                rts
 
 :notimers       ply
                 pla