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MS Windows - WPS - GET API ENTRY POINT

AX = 1684h
BX = 310Eh (virtual device ID for WPS device) (see #02642)
ES:DI = 0000h:0000h

Return:
ES:DI -> VxD API entry point (see #02703)
0000h:0000h if the VxD does not support an API

See Also: AX=1684h"DEVICE API" - INT 20"Windows"

(Table 02703)
Call WPS protected-mode entry point with:.
DX = function
0000h get WPS.386 version
Return:
CF clear
AX = version (AH = major, AL = minor)
0001h get number of installed VxDs
Return:
CF clear
AX = number of installed VxDs
0002h get VxD characteristics
AX = number of VxD
ES:BX -> buffer for VxD characteristics structure (see #02704)
Return:
CF clear
ES:BX buffer filled

See Also: #02702 - #02706

Format of WPS.386 VxD characteristics structure:

Offset  Size    Description     (Table 02704)
00h    WORD    VxD ID number
02h    BYTE    VxD minor version
03h    BYTE    VxD major version
04h    BYTE    DDK minor version
05h    BYTE    DDK major version
06h    WORD    flags
bit 0:
V86 API supported
bit 1:
PM API supported
bit 2:
Services supported
08h    DWORD   start order
0Ch  9 BYTEs   ASCIZ VxD name

See Also: #02703

Category: Windows - Int 2Fh - M

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