I will do more testing, but it may be a normal behavior (when you enable force 60hz you loose in emulator accuracy, you don't get the native frequency you get on real hardware. Maybe some screens doesn't like it). Do you test on TV or in handled mode?Hi cpasjuste, thanks for letting me know, I have done some further testing. I set all the options off by default, and then started to enable each one to see if I could notice a difference. I wasn't sure what "Audio Interpolation" and "Audio Fm Interpolation" actually do? so I left them off.
When "FORCE_AUDIO_SYNC" is enabled by itself, then it will cause the game stuttering, very noticeable in CPS1, CPS2 and Neogeo. But if both "FORCE_60HZ" and "FORCE_AUDIO_SYNC" is enabled at the same time, it is fine and smooth.
I also tried a "Data East" game to test, so I loaded "Robocop 2" (because the rom loads instantly) and its the same deal.
Both "force 60hz" and "force audio sync" must be enabled to get it to play smoothly however the music is strange and it keeps repeating itself when I played first level.
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I'm thinking that "force 60hz" must be enabled for all for all games to run smooth, I just tested "Rolling Thunder" and "Kung Fu master" noticed the same stuttery effect.
Last edited by cpasjuste,