These 16K file images contain the 128K ROM card for the Assembler Workbench.
Upload the images to your Z88 and use Garry Lancaster's ROMcombiner utility
to blow the card.

The CLI file can be used to automate the blowing process of another 128K ROM
of Workbench apps using it's own Zprom utility (once you have the Workbench 
apps running). Simply execute from the Filer...

Enjoy programming on the Z88!