HP Vectra Technical Reference Manual page 94

SF__
DEF~TTR
(AX
=
020SH)
This subfunction sets the attributes of the logical tablet driver to their default values. The default
attributes for the tablet driver are: LD__SIZE-----.X
=
639 and LD_SIZE_Y
=
199.
On Entry: AH
=
F __SYSTEM (02H)
AL
=
SF__DEF--.ATIR (08H)
BP
=
V_LTABLET (OOBAH)
On Exit: AH
=
Return Status Code
Registers Altered: AX, BP, DS
SF__
GET~TTR
(AX
=
020AH)
This subfunction returns the current scaling attributes, LD__SIZE-----.X and LD_SIZE__Y.
On Entry: AH
=
F __SYSTEM (02H)
AL
=
SF__GET--.ATIR (OAH)
BP
=
V_LTABLET (OOBAH)
,.. On Exit: AH
=
Return Status Code
BX
=
LD__SIZE-----.X (logical size along X axis)
ex
=
LD__SIZE_Y (logical size along Y axis)
Registers Altered: AX, BX, CX, BP, DS
SF__
SET~TTR
(AX
=
020CH)
This subfunction sets the scaling attributes, LD__S1ZE-----.X and LD__SIZE_Y in the Logical
Describe Record.
On Entry: AH
=
F _SYSTEM (02H)
AL
=
SF__SET--.ATIR (OCH)
BX
=
LD__SIZE-----.X (logical size along X axis)
ex
=
LD_SIZE_Y (logical size along Y axis)
BP
=
V__LTABLET (OOBAH)
On Exit: AH
=
Return Status Code
Registers Altered: AX, BP, DS
Input System and HP-HIL 85