Convergent Technologies Operating System: Difference between revisions

Revision as of 13:51, 2 October 2006

Revision as of 21:40, 10 October 2006

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The word processor was one of the first screen-oriented editors with many high-powered features, such as multiple views of the same file, cut/copy/paste, unlimited undo/redo, no typing lost after a crash, user-selectable fonts, and much more.

Most of the system programs were written in [[PL/M]], an [[Algol]]-like language from [[Intel]] which compiled directly to object code without a [[runtime library]].

The system API was very elegantly presented to both high-level languages and assembly language. The assembler was very advanced, with a clever Lisp-like pattern-matching macro facility unmatched by almost any other assembler before or since.

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There was a fantastic always-resident debugger.

The system shell was extensible-- — you could define new commands. Each command could request you fill out a form specifying the parameters it needed.

There was a very clever "rats" game, very cleverly using the programmable font generator to do simple graphics.