My first (significant) paid programming job was writing FORTH for an industrial laundry control system. All the software was written in FORTH, regardless of the platform - the PIC CPUs that drove the counting systems were FORTH-based, as was the Windows application that managed everything.
Yes, windows apps in FORTH. It was amusing. If you needed access to more of the Win32 API, you updated a header file and recompiled the FORTH interpreter :) Good times.
Both the company and the FORTH supplier still exist today:
(this seems to be a scan of the March/April 1980 edition of the newsletter of the Forth Interest Group, containing the text of Chuck Moore's speech from the October 1979 Forth Convention in San Francisco)
If you find yourself bored with the article at least skip down to the end and read the Q&A discussion at the end. I found it pretty interesting to read his speculation about where the future of computing was heading. His description of the ideal computer is interestingly close to an iphone, although the iphone still lacks a bit.
Yes, windows apps in FORTH. It was amusing. If you needed access to more of the Win32 API, you updated a header file and recompiled the FORTH interpreter :) Good times.
Both the company and the FORTH supplier still exist today:
http://www.microssautomation.com/
http://www.mpeforth.com/