Send a Message to All Terminals

'''DOS pseudo functions: Send a Message to All Terminals'''

'''Syntax:'''  
  DOSRW(AX-value, number-of-bytes, format-statement-label) EXCP=statement-label  
'''Entry:'''  
  AX-value = "@FFFE@"
                                                                                                                      .
  number-of-bytes = number of characters to be written to another terminal

  format-statement-label = format statement containing the message to be written to the other terminal (may be a constant or
  variable)
                                                                                                                      .
'''Return:'''<br>    
If the write function is successful, the message contained in the format statement will be sent to the terminal specified.

If an exception occurs, byte 2 of the AX field will contain the DOS error code (in hex).

 
'''Discussion:'''<br>  
This pseudo function sends a message to the write control line of all Comet workstations, including all workstations attached to a Comet Terminal Adapter and all workstations running Comet on a network.  


Also see [[Send a Message to Another Terminal]]