"The behaviour it has is consistent if you keep the same seed, but depending of seeds, it may or may not crash or behave weird, if I'm right? I think?"
Recommend spending a few minutes trying to find the issue in the debugger, then possibly just altering the timer on the main screen to never enter the demo, or else short-circuiting the demos to return to the main screen.
As reported by Iris Isotheis in the Discord:
snes9x, v1.56.2 Windows 10
264431011 https://clips.twitch.tv/BovineSpookyAlligatorPupper 997975274 https://clips.twitch.tv/YawningSuccessfulVelociraptorDoggo
"The behaviour it has is consistent if you keep the same seed, but depending of seeds, it may or may not crash or behave weird, if I'm right? I think?"
Recommend spending a few minutes trying to find the issue in the debugger, then possibly just altering the timer on the main screen to never enter the demo, or else short-circuiting the demos to return to the main screen.