+// stack.asm: WORD p_swap, 'SWAP',fasm
+
anchor:p_swap[]
-Word: SWAP
-----------
+=== Word: SWAP
-----
-stack.asm: WORD p_swap, 'SWAP',fasm
-----
+....
+Data stack: ( v1 v2 -- v2 v1 )
+....
+"SWAP" is a function word the swaps the top two data stack cells.