The R1000 was a workstation released in 1985 by Rational Software for the design, documentation, implementation, and maintenance of large software systems written using the Ada programming language. The R1000 featured an extensive tool set, including:an Ada-83-compatible program design language an integrated development environment that doubled as an operating system shell automatic generation of design documentation source-language debugging interactive design-rule checking and semantic analysis incremental compilation configuration management and version control.
