February 12, 2020, 12:51:00 pm - (Auto Merged - Double Posts are not allowed before 7 days.)
So your friend has a disk rewriter, that allows you to write .fds files to disks? Awesome, just try a patched game and see. If it doesn't work, try another one.
Really, if you have the chance to test it for yourself, I'm not sure why you need to ask us. In fact, we'd be more interested in your results, since I've never heard of people playing patched FDS games on real hardware. Come to think of it, you can try one of my translations, since I'm always keen to know how they run on hardware.
I don't own that game sadly but I will definitely be testing Dead Zone!