Int 2F/AX=1684h/BX=0010h

MS Windows - IOS - GET API ENTRY POINT

AX = 1684h
BX = 0010h (virtual device ID for IOS device) (see #02642)
ES:DI = 0000h:0000h

Return:
ES:DI -> VxD API entry point (see #02654)
0000h:0000h if the VxD does not support API in current mode

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



(Table 02654)
Call IOS entry point with:.
EAX = function number
0000h ???
Return:
CF clear if successful
AX = 0000h
CF set on error
AX = FFFFh
0001h check if ???
Return:
CF clear if successful
AX = 0000h
CF set on error
AX = FFFFh
0002h requestor services???
DL = service number???
Return:
CF clear if successful
AX = 0000h
DX = ???
CF set on error
AX = FFFFh

Note: Calls "IOS_Requestor_Service" (see INT 20"Windows") 0003h ??? (copies five bytes of data internally)

Return:
CF clear if successful
AX = 0000h
EDX = ???
CF set on error
AX = FFFFh
else
Return:
CF set
AX = FFFFh

See Also: #02653 - #02655

Category: Windows - Int 2Fh - M

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