More 32X testing in the most recent BlastEm nightly - still got framerate problems, but Kolibri in particular kind of highlights where the problem seems to be coming from.
By disabling the (still ver...
I do have to ponder... Kolibri takes advantage of the 32X PWM for its music (in much the same way Chaotix does). Maybe BlastEm is struggling with having the PWM and the 2612 going at the same time? Perhaps an option to disable the PWM would help with testing (or even just playing the games in general)... though, then the music would sound similar to how it does when running the game in Gens (it's been well over a decade since I last used Gens or any of its common variants, but I definitely recall it didn't have support for PWM audio).