PL - Musharof Chy
PL-6 manual : CP-6 Introduction to PL-6
A beginner's guide to the PL-6 programming language (1988).
The GNU 64-bit PL8 compiler
IBM research report describing the extension of PL8 to support 64-bit addressing, its implementatio...
Wikipedia: XPL
Encyclopedia article containing brief history of XPL, references, and bibliography.
Wikipedia: SabreTalk
Encyclopedia article with brief description, history, and example of SabreTalk.
Dave Bodenstab's Home Page
The XPL compiler and supporting programs, ported to FreeBSD on an Intel 486.
Space Shuttle Computers
HAL/S compiler system specification, manuals, language specification, programmer's guide, and HAL/S...
Wikipedia: HAL/S
Description of the design goals, syntax, and data types of HAL//S.
An Overview of the PL.8 Compiler
Description of the internal operation of the IBM PL.8 compiler by Marc Auslander and Martin Hopkins...
PLUM: The University of Maryland PL/1 System
Description of the structure of the PLUM compiler and runtime memory layout.
XPL Programming Language
One of the original "compiler compilers", XPL is a derivative of PL/I and was widely ported. Docume...