mednafen binary package in Ubuntu Focal riscv64

 Mednafen is a command-line driven emulator for many different systems. It
 has full support for OpenGL and SDL graphics, network play, remappable input
 configuration, joystick and keyboard support, save states, game rewinding,
 GSF playback, and screenshots.
 .
 The systems supported by Mednafen are:
    * Apple II/II+
    * Atari Lynx
    * GameBoy
    * GameBoy Color
    * GameBoy Advance
    * NES
    * SNES
    * Virtual Boy
    * PC Engine (TurboGrafx 16)
    * PC-FX
    * SuperGrafx
    * NeoGeo Pocket, NeoGeo Pocket Color
    * WonderSwan
    * Sega Genesis / Mega Drive
    * Sega Saturn
    * Sony PlayStation
 .
 Hardware emulated by Mednafen includes:
    * NES gamepad, Zapper, PowerPad
    * Four-Score, Famicom multiplayer adapter
    * Arkanoid, HyperShot, Space Shadow, Mahjong controllers
    * Oeka Kids tablet, Quiz King buzzers, Family Trainer, Barcode World
    * Game Genie

Source package