HP Vectra Technical Reference Manual page 96

V_EVENT_TABLET Button ISR Event Record:
AH
=
F _ISR (OOH)
DL
=
Physical device driver's vector address /6
BX
=
Button information.
Bit
OFH-08H
07H
06H-00H
Value Definition
Reserved
1
Button up
o
Button down
Button number (0-7)
DH
=
Data Type
ES:O
=
Pointer to V_LTABLET device driver header and Logical Describe Record.
V_EVENT_TABLET Motion ISR Event Record:
AH
=
F _ISR (OOH)
DL
=
Physical device driver's vector address /6
BX
=
A number between 0 and LD_SIZEJ
CX
=
A number between 0 and LO_SIZE_Y
DH
=
Data Type
ES:O
=
Pointer to V_TABLET device driver header and Logical Describe Record.
On Entry: AH
=
F _10_CONTROL (04H)
AL
=
SF_CREATE_EVENT (OSH)
BP
=
V_LTABLET (OOBAH)
DX
=
OS of new V_EVENT_TABLET routine
51
=
IP of new V_EVENT_TABLET routine
ES
=
CS of new V_EVENT_TABLET routine
On Exit: AH
=
Return Status Code
DX
=
OS of previous V_EVENT_TABLET routine
51
=
IP of previous V_EVENT_TABLET routine
ES
=
CS of previous V_EVENT_TABLET routine
Registers Altered: AX, DX, 51, BP, ES, DS
Related Functions: SF_EVENT_ON
This example shows how to use the SF_CREATE_EVENT function. The routine EVENT will be
the event procedure that is called when events are enabled.
Input System and HP-HIL 87