"You can only work with one stack at a time." Most of the commands operate on both stacks at the same time. --18.104.22.168 00:45, 26 December 2012 (UTC)
- Peeking gives a one, Popping gives a zero. An add is a peek(b), pop(a), push(a) so one would be right IMO. Rdebath (talk) 17:50, 1 November 2015 (UTC)
There is another Headache Language. C-style which compiles to brainfuck, see here Headache
How do we do disambiguation in Esolangs?