You just reminded me that I wrote a stack language for DCPU16 back in the frenzy. It gave me an excuse to learn the IronMeta parser generator, which is an implementation of OMeta. Unfortunately I kept it on Codeplex and never bothered to move it since the entire idea was dead by that time.

https://en.wikipedia.org/wiki/OMeta

https://github.com/kulibali/ironmeta

https://archive.codeplex.com/?p=stackr