Use cc65 just like for NES https://gist.github.com/lucasw/53ece8eed3b99beb6215b42cc686d1a7
vice emulator- not in ubuntu repo, need to build from source- on sourceforge:
Need some old autoconf tools (and xa65 cross assembler) to build it:
sudo apt-get install autoconf byacc flex libreadline-dev libxaw7-dev texinfo xa65