Emulator for this TPT computer, the manual for which is available here.
Get python and pip first if you don't have them already. Python is availabile here; once you have that, getting pip is as simple as following the instructions here.
Then get meson and ninja via pip:
$ pip install meson ninja
Finally, configure a build directory with meson and let ninja do its thing:
$ meson build
$ cd build
$ ninja