// stack.asm:	WORD p_2dup, '2DUP',fasm

anchor:p_2dup[]

=== Word: 2DUP

....
Data stack: ( v1 v2 -- v1 v2 v1 v2 )
....

"2DUP" is a function word that duplicates the top 2 cells on the data
stack.

====
.Definition concept for 2DUP
****
( v1 v2 -- v1 v2 v1 v2 ) : 2DUP OVER OVER ;
****
====