StackSwap

• Action Code: 0x4d
• Stack: 2 → 2
• SWF version: 5

Abstract AS2

@t0 = @pop();
@t1 = @pop();
@push(@t0);
@push(@t1);

Adobe documentation

ActionStackSwap

ActionStackSwap swaps the top two ScriptAtoms on the stack.

Field	Type	Comment
ActionStackSwap	ACTIONRECORDHEADER	ActionCode = 0x4D

ActionStackSwap does the following:

1. Pops Item1 and then Item2 off of the stack.
2. Pushes Item1 and then Item2 back to the stack.