HP Vectra Technical Reference Manual page 211

The default values set are:
cursor position
internal cursor flag
graphic cursor shape/hot spot
text cursor
user-defined call mask
light pen emulation mode
X axis mickies to pixel ratio
Y axis mickies to pixel ratio
min/max cursor position X axis
min/max cursor position Yaxis
On Entry: AX
=
F33_INSTALL
(OOOOH)
On Exit: AX
=
mouse status
BX
=
number of buttons
Registers Altered: AX, BX
screen center
cursor off
arrow/( - 1, - 1)
inverting box
all zeros
disabled
8 to 8
16 to 8
0/639
0/199
The following example shows how the mouse driver is called.
MOV AX, F33_INSTALL
INT INT_HPMOUSE
,. load function code
,. call the driver (33H)
F33_ENABLE (AX
=
0001 H)
This function increments the internal cursor flag. If the flag is 0, the cursor is displayed on the
screen. When the cursor is on the screen, moving the mouse will cause the mouse cursor to
~,
also move. '"'
On Entry: AX
=
F33_ENABLE (0001 H)
202 Mouse