HP Vectra Technical Reference Manual page 178

On Exit: AH
=
Return Status Code
BX
=
New
"Iast
used
DS"
in HP Data Area
Registers Altered: AX, BX, 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_CCP (004EH)
On Exit: AH
=
Return Status Code
BX
=
Release date code
CX
=
Number of bytes in current version number
ES:DI
=
Pointer to the current version number
Registers Altered: AX, BX, CX, DI, ES, BP, DS
5.3.4.6 V_OFF Driver (BP
=
0009CH)
The V_OFF driver effectively turns off any translator mapped to it. It returns a Return Status
Code of RS_DONE, this indicates to the driver which called that all processing is complete, and
to return. Returning this status code effectively terminates processing of the scancode.
F_ISR
(AH
=
OOH)
This function sets a return status of RS_DONE and exits.
".. On Entry: AH
=
F_ISR (OOH)
BH
=
Keyboard state (only if state bit set in type)
BL
=
Scancode
DH
=
Scancode type (any type accepted)
DL
=
Source vector address / 6
BP
=
V_OFF (009CH)
Keyboa rd 169