Speaking of HDMI I found this. Not sure what it means preprogrammed. Pre programmed for what? HDMI is HDMI. What does it matter what systems are hooked up. Unless it only works for what is listed which is Atari 2600 7800 Colecovision Intellivision?
https://www.etsy.com/listing/1604438330/preprogrammed-hdmi-tv-converter-box?gpla=1&gao=1&&utm_source=google&utm_medium=cpc&utm_campaign=shopping_us_a-electronics_and_accessories-video_games&utm_custom1=_k_Cj0KCQiAm4WsBhCiARIsAEJIEzU37ecZg9VH4nnHC5h_vfYXh2qpSw8B5w58om9suTM93cdPl8XQlg8aAmw1EALw_wcB_k_&utm_content=go_1843970779_69216056345_346429262066_pla-353987697789_c__1604438330_12768591&utm_custom2=1843970779&gad_source=1&gclid=Cj0KCQiAm4WsBhCiARIsAEJIEzU37ecZg9VH4nnHC5h_vfYXh2qpSw8B5w58om9suTM93cdPl8XQlg8aAmw1EALw_wcB