// stack.asm: WORD p_rot, 'ROT',fasm anchor:p_rot[] === Word: ROT .... Data stack: ( v1 v2 v3 -- v2 v3 v1 ) .... "ROT" is a function word that "rotates" the top three data stack cells such that the third becomes the first while the second becomes third and the first becomes the second. See also <>.