In the Guides section, the Beginner Routes link to https://www.orderoftheate.com (note: this link is a snapshot of what the site currently looks like as captured by archive.is) which unfortunately appears to have been taken over by a spam site and may be nefarious (at least chrome thinks so). Unfortunately, it looks like wayback machine on archive.org only has bits and pieces of the site in its index.
For example, blue ring route is there without any images:
But alternate blue ring route was never indexed:
Is there any other known archive of the information from orderoftheate?
Total guess: change 0x89e0 to 0xB9e0.
Here's a port to mesen: https://pastebin.com/VL70LD0d
edit: It seems like it stops working correctly at the end of the first screen. May need to make some more adjustments.