Find out what can be taken from GNU Poke
http://www.jemarch.net/poke-1.0-manual/poke.html
https://www.youtube.com/v/92Sykut06N8
https://git.savannah.gnu.org/cgit/poke.git/tree/
https://github.com/darkstar/poke/ https://github.com/kchasialis/GNU-poke (obsolete mirrors, but at least don't fail the way GNU Savannah fails)