Int 2A/AX=4147h/DX=0000h

NetSoft DOS-NET v1.20+ - INSTALLATION CHECK

AX = 4147h ('AG')
DX = 0000h

Return:
DX = 4147h if installed
DS:SI -> configuration data (see #02554)

Program: DOS-NET is a shareware networking package by Albert Graham

Note: This call is supported by CLIENT.COM, SERVER.COM, ROUTER.COM, and NETDOS.COM

See Also: INT 65/DX=4147h - INT 65/DX=4741h


Format of DOS-NET v1.20 configuration data area:

Offset  Size    Description     (Table 02554)
00h    BYTE    ???
01h    BYTE    interrupt number used by DOS-NET APIs
02h    WORD    function number to place in AX for above interrupt
04h    BYTE    minor version as two BCD digits (e.g. 20h for v1.20)
05h    BYTE    major version number (01h for v1.20)
06h  2 BYTEs   ???
08h    WORD    ??? (used by ARCNET.COM)
bit 15:
??? (set by MACTEST.COM)
0Ah    WORD    ??? (used by NDIS.COM and ODI.COM)
0Ch 22 BYTEs   ???
24h    DWORD   -> ??? function (set by PROTECT.COM)
28h 12 BYTEs   ???
34h    DWORD   -> ??? function (set by FASTVIEW.COM)
38h    DWORD   -> ??? function (set by FASTVIEW.COM)
58h    DWORD   -> ??? (offsets 04h and 1Ah from value are used by NETFILES).
???
7Ch    WORD    ???
7Eh    WORD    ??? (may be high half of a DWORD at 7Ch).
???
A8h    DWORD   -> ??? (used by SM.COM).
???
114h    WORD    ???
116h    WORD    ??? (may be high half of a DWORD at 114h).
???
1BDh    BYTE    ??? flags
bit 0:
???
bit 6:
???.
???
1E1h    BYTE    ???.
???
208h    WORD    ??? (used by SM.COM, MACTEST)
282h    WORD    ???
284h  2 BYTEs   ???
286h    WORD    ??? flags
bit 0:
???.
???
31Eh    WORD    ???
320h    WORD    ??? (used by NDIS.COM and ODI.COM)
322h  8 BYTEs   ???
32Ah    WORD    ??? (used by NDIS.COM and ODI.COM).
???
33Eh  4 BYTEs   ??? (used by ODI.COM)
342h  N BYTEs   ??? (used by NDIS.COM).
???
3CFh    BYTE    ??? flags
bit 2:
???
3D2h    BYTE    installed-component flags
bit 0:
PROTECT installed
bit 1:
NETCACHE installed
bit 3:
SM.COM installed
bit 7:
NETDEBUG installed
3D3h    BYTE    installed-component flags
bit 0:
NETFILES installed
bit 6:
FASTVIEW installed.
???
3FFh    BYTE    ??? (used by NDIS.COM)
400h    BYTE    ???
401h    BYTE    ??? (used by SM.COM)
402h    BYTE    ??? (used by SM.COM).
???
448h    BYTE    ???
449h    BYTE    ??? (used by MACTEST)
44Ah    BYTE    ??? (used by PROTECT)
44Bh    BYTE    ???
44Ch    BYTE    ???
44Dh    BYTE    ??? (used by SM.COM)
44Eh    BYTE    ??? (used by SM.COM, MACTEST).
???

Category: Network - Int 2Ah - N

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