Port of NxEngine to the libretro API. NXEngine is a Cave Story game engine
clone.
It will require Cave Story 1.0.0.6 and the Aeon Genesis translation which can
be download from the RetroArch downloadable content.
Alternatively Cave Story is available from Studio Pixel's website:
https://studiopixel.sakura.ne.jp/archives/index.html
The Aeon Genesis translation is available from:
https://agtp.romhack.net/project.php?id=cavestory
To build the debugging symbols use:
DEBUG=1 ./nxengine-libretro.SlackBuild
80e9f6aa09