I launch the last version of emulator with its default settings, and open ANP2_DEMO.nex (next version 1.1 or 1.2) through F2 button. And I experience what I described in my previous comment. Sometimes when I move between screens walking animation starts working properly (for example by going back from second room in the game to first one) but once I move to another room it stops again. Sprites of walking and climbing look like shaking during movement when this issue occurs. After accessing terminal in first room it starts displaying first lines of text and skips to exit. The game's developers themselves confirmed that the next version of the game does not work properly on emulators. For example in this video at 1:15 animations and terminal work properly on original hardware after starting the game:
okay... I see it. I'm not sure this is something I can do on my own. It would require the creator to debug the specific areas and let me know what's different. Otherwise.... I'd have to debug the whole game, and figure out the entire thing to even find the routines, never mind what'd wrong.
If they want to debug inside CSpect and figure out what's not working, I'll be happy to address it.... but without them, I'd be looking for a needle in a haystack. ☹️