diff --git a/desktop/desktop_aux.s b/desktop/desktop_aux.s
index 114d495..88e8d20 100644
--- a/desktop/desktop_aux.s
+++ b/desktop/desktop_aux.s
@@ -2820,8 +2820,6 @@ special_menu:
         menu_item_id_unlock       = 10
         menu_item_id_get_size     = 11
 
-        .addr   $0000,$0000
-
         PAD_TO $AE00
 
 ;;; ============================================================
diff --git a/desktop/desktop_main.s b/desktop/desktop_main.s
index 9b6c2b5..66d5116 100644
--- a/desktop/desktop_main.s
+++ b/desktop/desktop_main.s
@@ -4619,26 +4619,19 @@ L66A0:  .word   0
         jmp     check_menu_items
 
 disable_menu_items:
-        lda     #MGTK::disablemenu_disable
-        sta     disablemenu_params::disable
+        copy    #MGTK::disablemenu_disable, disablemenu_params::disable
         MGTK_RELAY_CALL MGTK::DisableMenu, disablemenu_params
 
-        lda     #MGTK::disableitem_disable
-        sta     disableitem_params::disable
-        lda     #menu_id_file
-        sta     disableitem_params::menu_id
-        lda     #desktop_aux::menu_item_id_new_folder
-        sta     disableitem_params::menu_item
+        copy    #MGTK::disableitem_disable, disableitem_params::disable
+        copy    #menu_id_file, disableitem_params::menu_id
+        copy    #desktop_aux::menu_item_id_new_folder, disableitem_params::menu_item
         MGTK_RELAY_CALL MGTK::DisableItem, disableitem_params
-        lda     #desktop_aux::menu_item_id_close
-        sta     disableitem_params::menu_item
+        copy    #desktop_aux::menu_item_id_close, disableitem_params::menu_item
         MGTK_RELAY_CALL MGTK::DisableItem, disableitem_params
-        lda     #desktop_aux::menu_item_id_close_all
-        sta     disableitem_params::menu_item
+        copy    #desktop_aux::menu_item_id_close_all, disableitem_params::menu_item
         MGTK_RELAY_CALL MGTK::DisableItem, disableitem_params
 
-        lda     #0
-        sta     menu_dispatch_flag
+        copy    #0, menu_dispatch_flag
         rts
 
         ;; Is this residue of a Windows menu???
@@ -4744,16 +4737,13 @@ disable_eject_menu_item := toggle_eject_menu_item::disable
 
 .proc toggle_selector_menu_items
 disable:
-        lda     #MGTK::disableitem_disable
-        sta     disableitem_params::disable
+        copy    #MGTK::disableitem_disable, disableitem_params::disable
         jmp     :+
 
 enable:
-        lda     #MGTK::disableitem_enable
-        sta     disableitem_params::disable
+        copy    #MGTK::disableitem_enable, disableitem_params::disable
 
-:       lda     #menu_id_selector
-        sta     disableitem_params::menu_id
+:       copy    #menu_id_selector, disableitem_params::menu_id
         lda     #menu_item_id_selector_edit
         jsr     configure_menu_item
         lda     #menu_item_id_selector_delete
@@ -4810,20 +4800,16 @@ replace_selection:
         ;; Set selection to clicked icon
 set_selection:
         DESKTOP_RELAY_CALL DT_HIGHLIGHT_ICON, findicon_which_icon
-        lda     #1
-        sta     selected_icon_count
-        lda     findicon_which_icon
-        sta     selected_icon_list
-        lda     #0
-        sta     selected_window_index
+        copy    #1, selected_icon_count
+        copy    findicon_which_icon, selected_icon_list
+        copy    #0, selected_window_index
 
 
 L6834:  bit     double_click_flag
         bpl     L6880
 
         ;; Drag of volume icon
-        lda     findicon_which_icon
-        sta     drag_drop_param
+        copy    findicon_which_icon, drag_drop_param
         DESKTOP_RELAY_CALL DT_DRAG_HIGHLIGHTED, drag_drop_param
         tax
         lda     drag_drop_param
@@ -4866,8 +4852,7 @@ L688F:  ldx     selected_icon_count
         dex
 L6893:  txa
         pha
-        lda     selected_icon_list,x
-        sta     icon_param3
+        copy    selected_icon_list,x, icon_param3
         DESKTOP_RELAY_CALL DT_REDRAW_ICON, icon_param3
         pla
         tax
@@ -4914,15 +4899,13 @@ L68F9:  cpx     cached_window_icon_count
 
 :       txa
         pha
-        lda     cached_window_icon_list,x
-        sta     icon_param
+        copy    cached_window_icon_list,x, icon_param
         DESKTOP_RELAY_CALL DT_ICON_IN_RECT, icon_param
         beq     L692C
         DESKTOP_RELAY_CALL DT_HIGHLIGHT_ICON, icon_param
         ldx     selected_icon_count
         inc     selected_icon_count
-        lda     icon_param
-        sta     selected_icon_list,x
+        copy    icon_param, selected_icon_list,x
 L692C:  pla
         tax
         inx
diff --git a/desktop/desktop_res.s b/desktop/desktop_res.s
index 8cde7ea..03bb040 100644
--- a/desktop/desktop_res.s
+++ b/desktop/desktop_res.s
@@ -1181,10 +1181,10 @@ selector_menu:
         DEFINE_MENU_ITEM run_list_entries + i * $10, .string(i+1), .string(i+1)
         .endrepeat
 
-        menu_item_id_selector_add    = 1
-        menu_item_id_selector_edit   = 2
-        menu_item_id_selector_delete = 3
-        menu_item_id_selector_run    = 4
+        menu_item_id_selector_add       = 1
+        menu_item_id_selector_edit      = 2
+        menu_item_id_selector_delete    = 3
+        menu_item_id_selector_run       = 4
 
 label_add:
         PASCAL_STRING "Add an Entry ..."