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FUNCTION
EOh
-
Get/Set
Event
Flag State
AX
BX
CX
DX
SP:
BP:
S!:
Dl:
IP:
FLG
CS
DS
SS
ES
XXXXXXXX
XXXXXXXX
XXXXXXXX
XXXXXXXX
XXXXXXXX
XXXXXXXX
Entry
AH
AL
BX
CX
EOh
(function
code)
Operation
to
perform
=
Get
current state
1
=
Set
new
state
Event
number
New
value
(for
AL =
1
Exit:
AX =
Current
state
(for
AL
=
0)
This
function
is
used
to
check on
the
state
of
an event
flag,
or set
a
new
state for
an
event
flag
in
the
alarm system.
If
AL =
0,
the current
state of
the
specified
event
flag
will
be
returned
in
AX.
If
AL =
1,
the
specified
event
flag
will
be
set
to
the state specified
in
CX
(0
or
1
).
The
following
event
flag
numbers
are defined:
1
2
3
4
5
-
7
8-
15
16-31
=
keyboard
activity flag
=
touch panel
activity flag
=
telephone
ring
detect
flag
=
break key
detect
flag
=
software alarm
flag
=
reserved
=
timer
channels
-
7
=
comm
activity
flags
for
channels 0-15
The
keyboard
activity flag
(event
0)
is
set
whenever a
character
is
sent from the
keyboard
The
touch panel
activity flag
(event
1) is
set
whenever a
touch panel
state
change
occurs.
(Only
occurs
on machines
with
touch panel hardware.)
67
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