It seems that external links cannot be embedded in itch.io. I archived my game files and WebMSX downloaded from GitHub. And I uploaded the archive file to itch.io.
The following is the file.
http://ni.10-59.com/zip/dptrip_web.zip
You can reuse it by writing your game settings in wmsx.js file.
By the way, CMJN has an interesting game screen. I like it.:)