Service_DCIProtocolStatus (changes)
Showing changes from revision #0 to #1:
Added | Removed | Changed
Programmer's Reference Manuals
» Service Calls
» Service_DCIProtocolStatus
Service_DCIProtocolStatus
(Service &9F)
| Entry | |
|---|---|
| R0 | Protocol module’s private word pointer |
| R1 | 159 (&9F) |
| R2 | Status (0 if starting, 1 if terminating) |
| R3 | DCI version supported |
| R4 | Pointer to protocol module’s title string |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
| R2 | Preserved |
| R3 | Preserved |
| R3 | Preserved |
Use
This service is issued by a protocol module when it starts or exits. Clients of the protocol module (for example, Freeway is a client of Internet) may wish to track this in order to go dormant when the underlying protocol has gone, and re-register when it comes back.
Notes
This service call must not be claimed.
See also
Social
Follow us on
and
and
ROOL Store
Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.