It's the same one referenced there, only non-obfuscated and commented. From the OP:
An obfuscated version of 8086tiny (condensed into just 4043 bytes of C code) was a winner of the 2013 IOCCC contest. Significant interest followed for a documented, commented, maintainable version. The result is the distribution presented here.
[1] https://news.ycombinator.com/item?id=7012385