Follow-up work since the original zi2zi, now with transformer backbone.
previously (1982): https://en.wikipedia.org/wiki/Cangjie_input_method#Early_dev...
i think this is a dos port of it? http://www.cbflabs.com/down/show.php?id=62
seems to work for me in dosbox
c.f., "Chinese character synthesis using METAPOST" by Candy L. K. Yiu, Wai Wong
http://ns2.tug.org/TUGboat/tb24-1/yiu.pdf