I found this nice tool collection on the Televideo archives called "Carousel Microtools".
http://www.bitsavers.org/bits/Televideo ... icrotools/
It included an archiver written in RATFOR, which is an evident relative of the historical archiver available in the DECUS C tapes.
So, here's a new option (-DRATFOR)
https://github.com/z88dk/z88dk-ext/blob ... ed/archx.c