SKI Combinator Calculus on an FPGA (2012)
assembla.com
assembla.com
See also the Reduceron2 https://www.cs.york.ac.uk/fp/darcs/reduceron2/_darcs/invento... which was designed to run Haskell directly in hardware.
It would be interesting to fuse this work with RISCV, http://riscv.org/