There are more limitations in Multisync modes. Anyway, I did a small multisync demo, back in 1996! :-)
It's really a technical proof-of-concept rather than an artistic effort, but it's definetly Multisync.
My effort was not only to make it work at different scanrate, but to allow the user to switch video mode at run-time.
You can find it on aminet, demo/euro/BeamCtrl.lha
Let me know if you like it!
