83Plus:BCALLs:4F4B
From WikiTI
Synopsis
Unofficial Name: RejectCommand
BCALL Address: 4F4B
Finishes receiving a silent link command and then rejects it by sending an acknowledgement packet and then the skip/exit packet with a value of 5, then receiving an acknowledgement.
Inputs
- E: zero
- A: current value of port 0
Outputs
- 4 bytes received to header
- A: second byte received
Destroys
- All
Comments
This is the link activity hook used by the OS. "add a,e" is actually run when you BCALL it, so make sure E is zero. I can't fathom why they did this.
You also probably should not call it unless you have detected link activity (for use in the link activity hook).
