HP Vectra Technical Reference Manual page 120

SF_OPEN (AX
=
020EH)
This subfunction puts the HP-HIL driver in the open state. When the driver has been placed in the
open state, output to the HP-HIL devices is allowed.
,.. On Entry: AH
=
F_SYSTEM (02H)
AL
=
SF_OPEN (OEH)
BP
=
V_HPHIL (0114H)
On Exit: AH
=
Return Status Code
Registers Altered: AX, BP, OS
SF_CLOSE (AX
=
0210H)
This subfunction puts the HP-HIL driver in the closed state. When the driver has been placed in
the closed state, output to the HP-HIL devices is not allowed.
On Entry: AH
=
F_SYSTEM (02H)
AL
=
SF_CLOSE (1 OH)
BP
=
V_HPHIL (0114H)
On Exit: AH
=
Return Status Code
Registers Altered: AX, BP, OS
SF_CRV_RECONFIGURE (AX
=
0406H)
This subfunction instructs the HP-HIL controller to reconfigure the link.
On Entry: AH
=
F_IO_CONTROL (04H)
AL
=
SF_CRV_RECONFIGURE (06H)
BP
=
V_HPHIL (0114H)
On Exit: AH
=
Return Status Code
Registers Altered: AX, BP, OS
Input System and HP-HIL 111