Scheme as a virtual machine Scheme is a new portable assembler. http://uucode.com/blog/2010/09/28/r5rs-scheme-as-a-virtual-machine-i/ http://uucode.com/blog/2010/10/04/scheme-as-a-virtual-machine-ii/ http://uucode.com/blog/2010/11/12/scheme-as-a-virtual-machine-iii/ -- Gambit-PHP proof of concept release: http://github.com/downloads/olpa/schemevm/gambit-php-20110208-milestone1.tar.gz