With the release of z390 v1.2 there is now support for running z390 GUI and command line interfaces on Linux as well as Windows XP or 2000. Visit www.390.org for more details.
z390 version 1.2 also has new macro pseudo code generator for 300% improvment in macro intensive macro assembly processing. The macro pseudo code support also includes new
detail TRACEP option which shows value of every macro variable used in AIF, SETA, SETB, and SETC statements executed.