I personally use it as a macro-assembler for Intel 8080. This is the best multi-platform macro-assembler for Intel 8080 I've seen so far.
This fork has no functional changes from the original version and only contains minor fixes related the complation on MacOS.
The project was forked from the version 1.42 build-84.
The original website -- http://john.ccac.rwth-aachen.de:8000/as/
Online documentation -- http://john.ccac.rwth-aachen.de:8000/as/as_EN.html