- ruby
	http://www.ruby-lang.org/en/downloads/
	You may also need: [sudo] gem install archive-zip
- ca65
	http://www.cc65.org
- ripxplore.rb >=0.7.0
	http://rubyforge.org/frs/?group_id=6922
	To install: [sudo] gem install ripxplore
- GNU make or similar