...You can follow development here:
https://github.com/libretro/FreeIntv
2018-02-13 Border collision bug fix
2018-02-12 Numerous fixes for various issues
2018-01-21 Update includes corrected installation instructions for RetroPie on a Raspberry Pi 3, a proper Makefile, and various small corrections.
A simple 2D FrameBuffer graphics library in C/C++ for the Raspberry PI
...See raspi-config options to enable this boot option.
Compilation is simple see the "comptest" file for the command line options to make the test program.
Place all the files in a folder on your PI
use> make Makefile
or run
./comptest