EXOS 2.1 Constants
2. EXOS Function Codes
Below are listed all the EXOS function codes. These are the values which
follow the "RST 30h" instruction in an EXOS call. Any value
other than these will give a .IFUNC error code. Details of
parameters for these calls can be found in the EXOS kernel specification.
- 00 - Reset EXOS
- 01 - Open channel
- 02 - Create channel
- 03 - Close channel
- 04 - Destroy channel
- 05 - Read character
- 06 - Read block
- 07 - Write character
- 08 - Write block
- 09 - Channel read status
- 10 - Set and read channel status
- 11 - Perform special function on channel
- 16 - Read/write/toggle EXOS variable
- 17 - Capture channel
- 18 - Redirect channel
- 19 - Set default device name
- 20 - Return system status
- 21 - Link user device
- 22 - Read EXOS boundary
- 23 - Set USER boundary
- 24 - Allocate segment
- 25 - Free segment
- 26 - Scan system extensions
- 27 - Allocate channel buffer (device only function)
- 28 - Explain error code
- 29 - Load module
- 30 - Load relocatable module
- 31 - Set system time
- 32 - Read system time
- 33 - Set system date
- 34 - Read system date
David Bouman.
(dsbouma@cs.vu.nl)