My 2012 IOCCC entry https://www.ioccc.org/2012/tromp/hint.html https://www.ioccc.org/2012/tromp/hint.html shows how much you can do with a few dozen bits using

My 2012 IOCCC entry https://www.ioccc.org/2012/tromp/hint.html https://www.ioccc.org/2012/tromp/hint.html shows how much you can do with a few dozen bits using a binary form of lambda calculus.