I got the HDMI cable with my Pi package from the PiHut. I have a complete verified 0.37b5 romset that i’ve had for years from my GP2X days. I also have the latest Rollback roms so I can rebuild any version Romset (used for AdvanceMAME). Mame4All is the only emulator that I get crackling sound with, all the rest work fine. Oh well.