{{language|Action!
|hopl=no
|tags=action!
}}
Action! is a language written by Clinton Parker and published by Optimized Sytems Software (OSS) for the Atari 8-bit line of home computers.
It is related to ALGOL and optimized for single-pass compilation to 6502 code.
A manual for the language is available at https://seriouscomputerist.atariverse.com/media/pdf/manual/OSS%20OS-A+%20-%20Manual%20(1983).pdf
==See Also==
* [[wp:Action!_(programming_language)|Action! on Wikipedia]]
* [[ALGOL 68]]

==TODO==
[[Tasks not implemented in Action!]]