aports/testing/libretro-prosystem, branch master

aports/testing/libretro-prosystem, branch master Main aports tree testing/libretro-prosystem: new aport 2020-04-06T15:56:47+00:00 David Demelier markand@malikania.fr 2020-04-06T15:45:42+00:00 c5a1c9155281ac93043ae85f4dbeb99ee5b9158e https://github.com/libretro/prosystem-libretro port of ProSystem to the libretro API

https://github.com/libretro/prosystem-libretro
port of ProSystem to the libretro API