PLZ
Zilog
A high level language for programming microprocessors. It is a minimal block structured language, PL/I-like, goto-less and only do-od loops with exit, repeat [from] or continue [from] placed anywhere in the loop. Record structures. It was used by Zilog, and by Olivetti in their S6000 series computers.
Introduction to Microprocessor Programming Using PLZ, Richard Conway et al, Winthrop Pub, 1979.
PLZ/SYS
"Report on the Programming Language PLZ/SYS", Ted Snook et al, Springer-Verlag, 1978.