git clone https://github.com/simh/simh.git
cd simh

sudo apt-get install gcc libpcap-dev libvdeplug-dev libpcre3-dev libedit-dev libsdl2-dev libpng-dev libsdl2-ttf-dev

make pdp11

tree -F simh/BIN

simh/BIN/
├── buildtools/
└── pdp11*

make all

mkdir -p labs
cp simh/BIN/pdp11 labs/pdp11

tree -F -L 1 .

./
├── README.md
├── docs/
├── images/
├── labs/
│   └── pdp11*
├── simh/
└── src/