ppa install repository, Gambas Shell gsh, em6502
3.18 directory now supports the older byte code versions appimage in all cases is 3.18.4 Archlinux version is 3.18.4 until arch updates to 3.19
sudo -i
curl -s --compressed "https://raw.githubusercontent.com/justlostintime/ppa/main/ubuntu/KEY.gpg" | gpg --dearmor > /etc/apt/trusted.gpg.d/westwood-archive-key.gpg
sudo curl -s --compressed -o /etc/apt/sources.list.d/gsh.list "https://raw.githubusercontent.com/justlostintime/ppa/main/ubuntu/gsh.list"
sudo apt update
curl -s --compressed "https://raw.githubusercontent.com/justlostintime/ppa/main/ubuntu/KEY.gpg" | sudo apt-key add -
sudo curl -s --compressed -o /etc/apt/sources.list.d/gsh.list "https://raw.githubusercontent.com/justlostintime/ppa/main/ubuntu/gsh.list"
sudo apt update
sudo apt install gsh
or
sudo apt install em6502