EXOS 2.1 Constants

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7. Action Codes For System Extensions

Below is a list of the action codes which are passed around system extensions. All other values are reserved for future extensions. The meaning of these codes is explained in the EXOS kernel specification.

1. Cold Reset
2. User command string
3. User help string
4. Unknown EXOS variable
5. Explain error code
6. Load file module
7. RAM allocation
8. initialise system extension

Next Chapter: Module Types for Load Files.