bochs

#ubuntu 20
sudo apt install build-essential libncurses5-dev libreadline-dev libssl-dev zlib1g-dev libxml2-dev libpython3-dev libgtk2.0-dev libx11-dev libxrandr-dev libxpm-dev -y

#download
wget https://sourceforge.net/projects/bochs/files/bochs/2.7/bochs-2.7.tar.gz
tar -xvzf bochs-2.7.tar.gz
cd bochs-2.7

#configure
./configure --enable-debugger --enable-disasm --with-x --with-x11 --with-gtk
make
sudo make install