Not to bring back an old thread, but RetroArch 1.8.5 brings new cores, and now has Beetle SuperGrafx core included! Running a tad bit under 60, but wonder if overclocking will help.
Thanks for the reply SeongGino. IIRC, handy doesn't need a bios? And even so, I have the lynx bios inside my system folder. I test lynx on my retroarch PC setup and works fine, so the roms are okay. Any other suggestions? Really wanting to play A.P.B. and Blue Lightning! :)