Retroarch Ubuntu 20.04 install and Sinclair Spectrum core set up

Retroarch Ubuntu 20.04 install and Sinclair Spectrum core set up and keyboard and gamepad config

note you need to set the user device type 1 to kempton joystick
and user device type 3 to sinclair keyboard for the Spectrum core,
and you may also need to map the keys to your gamepad as well

Install retroarch:
sudo apt install retroarch

Edit your retroarch.cfg config file:
vi ~/.config/retroarch/retroarch.cfg

change the libretro_directory and libretro_directory_info paths
set the menu_show_core_updater to true and change input_game_focus_toggle from scroll_lock to another key on your keyboard

libretro_directory = “~/.config/retroarch/cores”
libretro_info_path = “~/.config/retroarch/cores/info/”
menu_show_core_updater = “true”
input_game_focus_toggle = “print_screen”

source

ubuntu