switchres.ini work fine with groovymame if "switchres_ini 1 "
every resolution has a 85hz,I cant delete
use the last emu4crt version,no system work on 240p with user_mode = "auto"
and all system work fine on 240p with user_auto = "2560x0"
but use emu4crt 1.29-A18 MD,PS,SS is also OK with user_mode = "auto",fc,sfc,pce is not