GN_Alp, process an expired alarm

RST 20H, DEFW $1E0C
 

IN:  IX = Alarm handle of alarm just expired.

OUT: -

     Internal operating system usage. Internal alarm manipulation.

     This routine will carry out the following:
          1) Send a flashing alarm symbol to the OZ screen area.
          2) Send one or other of the ding-dongs if needed.
          3) call the CLI if required.
          4) re-submit the alarm if required.

Related calls:

GN_Aab, allocate alarm block
GN_Fab, free alarm block
GN_Lab, link an alarm block into the alarm chain
GN_Uab, unlink an alarm block from the alarm chain
OS_Alm, alarm manipulation (internal OZ usage)