Tandy 600 Programmer's Reference Manual page 71

FUNCTION DFh
-
Get Alarm
Date/Time
AX
BX
CX
DX
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SP:
BP:
SI:
Dl:
IP:
FLG
CS
DS
SS
ES:
Entry:
Exit
AH =
DFh
(function
code)
AL
=
Alarm
type
code
=
Restart
alarm
1
=
Annunciator alarm
CY
not
set
AL = Day
of
week
(0-6)
BX =
Year (1980-2099)
CH =
Month
(1-12)
CL =
Day
(1-31)
DH =
Hours
(0-23)
DL =
Minutes
(0-59)
CYset
AX
=
Error
code
This
function
is
used
to
get the current setting of
the next
alarm
in
the
internal
alarm
system
See
function
DEh
for
a
description of restart
and annunciator alarms.
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