**Stack manipulation** 27 5 NEW ^ Command ^ Short Description ^ ^ | **[[manual:chapter6:stack:cmd_clear|CLEAR]]** | Remove all objects from the stack | | | **[[manual:chapter6:stack:cmd_depth|DEPTH]]** | Get the current stack depth | | | **[[manual:chapter6:stack:cmd_drop|DROP]]** | Remove an object from the stack | | | **[[manual:chapter6:stack:cmd_drop2|DROP2]]** | Remove two objects form the stack | | | **[[manual:chapter6:stack:cmd_dropn|DROPN]]** | Remove N objects from the stack | | | **[[manual:chapter6:stack:cmd_dup|DUP]]** | Duplicate an object on the stack | | | **[[manual:chapter6:stack:cmd_dup2|DUP2]]** | Duplicate two objects on the stack | | | **[[manual:chapter6:stack:cmd_dupdup|DUPDUP]]** | Duplicate the same object twice on the stack | | | **[[manual:chapter6:stack:cmd_dupn|DUPN]]** | Duplicate a group of N objects | | | **[[manual:chapter6:stack:cmd_ndupn|NDUPN]]** | Replicate one object N times and return N | | | **[[manual:chapter6:stack:cmd_nip|NIP]]** | Remove object at level 2 on the stack | | | **[[manual:chapter6:stack:cmd_over|OVER]]** | Duplicate object at level 2 on the stack | | | **[[manual:chapter6:stack:cmd_pick|PICK]]** | Duplicate object at position N on the stack | | | **[[manual:chapter6:stack:cmd_pick3|PICK3]]** | Duplicate object at level 3 on the stack | | | **[[manual:chapter6:stack:cmd_roll|ROLL]]** | Move object at level N to level 1 | | | **[[manual:chapter6:stack:cmd_rolld|ROLLD]]** | Move object from level 1 to level N | | | **[[manual:chapter6:stack:cmd_rot|ROT]]** | Move object from level 3 to level 1 | | | **[[manual:chapter6:stack:cmd_swap|SWAP]]** | Exchange objects in levels 1 and 2 | | | **[[manual:chapter6:stack:cmd_unpick|UNPICK]]** | Move object from level 1 to level N. | | | **[[manual:chapter6:stack:cmd_unrot|UNROT]]** | Move object from level 1 to level 3 | | | **[[manual:chapter6:stack:cmd_ift|IFT]]** | Evaluate objects on the stack conditionally | | | **[[manual:chapter6:stack:cmd_ifte|IFTE]]** | Evaluate objects on the stack conditionally | | | **[[manual:chapter6:stack:cmd_stkpush|STKPUSH]]** | Push a snapshot of the current stack on the undo stack | NEW | | **[[manual:chapter6:stack:cmd_stkpop|STKPOP]]** | Pop a stack snapshot from the undo stack | NEW | | **[[manual:chapter6:stack:cmd_stkdrop|STKDROP]]** | Drop a snapshot from the undo stack | NEW | | **[[manual:chapter6:stack:cmd_stkpick|STKPICK]]** | Copy snapshot in level N to the current stack | NEW | | **[[manual:chapter6:stack:cmd_stkdepth|STKDEPTH]]** | Get the depth of the undo stack | NEW |