20 - direct access current line status.

Usage:

mme     gerout
vfd     6/TYPE,12/0,o6/20,h12/TERMID
zero    STATPTR,COURTESY

Where:

TYPE: is the type of the terminal. This should be initialized to zero; it will be filled in by MME GEROUT. Possible types are listed in "expl mme gerout 06".
TERMID: is the terminal ID name for the terminal whose status you want to determine.
STATPTR: points to a word where status information can be written.
COURTESY: gives the courtesy call address. This is not used by this version of MME GEROUT.

Description:

This version of MME GEROUT determines the status of a DAC line. The type of the terminal attached to the line is filled into TYPE. MME GEROUT also records the following information in the word indicated by STATPTR.

Bits 0-28:  always zero
       29:  if on, line connected to another slave program
       30:  if on, line waiting to connect to another slave
            program
       31:  if on, line idle
       32:  if on, line busy
       33:  always zero
       34:  if on, line disconnected
       35:  if on, BREAK received