Hello. Thanks for reading my topic.
Using pce fast core with Double Dragon 2 when starting the game the start menu voice is cut off.
In geargrafx core not have that strange behavior.
Please see the link below
drhelius/Geargrafx#66 (comment)
That another link say about mednafen having seek delay issues.
https://forum.fobby.net/index.php?start=0&t=msg&th=1739
Have an nice week.