I wanted to set mine up in Mame4ALL which does not use RetroArch (I dont think). If you want to use Libretro Emulator for Mame you maybe able to do this… To be honest I am a noob so Im not sure if this will help or not but at least you got one response :)
Necessary and Functional
These cookies are placed to make it possible to analyze this website (with Google Analytics) and optimize for the purpose of a.o. the usability.
Cookie names: _ga, _gat, _gid
These cookies are placed to show advertisements (of Google AdSense) and to get these close to your interest.
Cookie names: id, IDE, FLC, DSID, SNID, NID
These cookies are required to show the cookie notification bar, remember your cookie acceptance choice and apply this choice.
Cookie names: privacy_embeds, wpca_consent, woocommerce_cart_hash, woocommerce_items_in_cart, wp_woocommerce_session_, wp-settings-1, wp-settings-time-1