HP Vectra Technical Reference Manual page 175

F_ISR (AH
=
DOH)
This function verifies the Data Type, and sets the new one.
On Entry: AH
=
F_ISR (OOH)
BH
=
Keyboard state (only if state bit set in type)
BL
=
Scancode
DH
=
Scancode type (T_KC_IS_FUNCTION
=
OCH)
DL
=
Source vector address
BP
=
V_FUNCTION (0042H)
On Exit: AH
=
Return status code
DH
=
New scancode type (T_KC_IBM_PC
=
OAH)
Registers Altered: AX, DH, BP, DS
SF_ VERSION_DESC (AX = 0206H)
This subfunction returns the release date code and a double word pointer to the current version
number. The date code consists of two BCD coded bytes containing the year and week of
release. The BL register contains the number of years since 1960 and the BH register contains the
week of the year.
On Entry: AH
=
F_SYSTEM (02H)
AL
=
SF_ VERSION_DESC (06H)
BP
=
V_FUNCTION (0042H)
On Exit: AH
=
Return Status Code
BX
=
Release date code
ex
=
Number of bytes in current version number
ES:DI
=
Pointer to the current version number
Registers Altered: AX, BX, CX, DI, ES, BP, DS
5.3.4.4 V_NUMPAD (BP
=
0048H)
The V_NUMPAD service is the scancode translator for the numeric keypad. It verifies the Data
Type is correct and maintains the state of the
<
Num lock> and
<
ScrLck
>
keys.
166 Keyboard