Thank you for your advice ReadyPlayawon
I actually do already have the Dreamcast version loaded in my Pi , I just wanted to try the Naomi version due to I have never played the arcade version and sometimes there are little things here and there they may have changed or become different
Just something about the Arcade version games I enjoy better , possibly because the infinite amount of credits by coins possible , or the service menus to change the lives , difficulty and such .. I don't know for sure ... Call me weird I guess
I do enjoy your input and advice , Thank you for that
Maby this version on Flycast is a bit wonky and needs more configuration within the core itself by the developers