) In my fast browsing, I didn't find info about the use of libraries and reloacatable code, not even the existance of a linker. I wonder if this assembler is able to create a relocatable object file. The manual calls "object file" to the Intel-Hex file, what in my opinion is not correct.
no libraries, no reloacatable code, no linker.
In my Metalink days, I modularized by making include files. Basically you make a "main file" consisting of "include a", "include b" etc and the whole thing is taken care of. As for libraries etc, the full build of the largest program I ever made using Metalink took about 2 sec to build on a 386, so why worry.

Erik