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Int 2F Fn 1603 - MS Windows/386 - Get Instance Data [W]
AX = 1603h
Return: AX = 5248h ('RH') if supported
DS:SI -> Windows/386 instance data (see below)
Notes: reportedly supported by RM Nimbus MS-DOS 3.3 kernel
this function is called by DOSMGR when AX=1607h/BX=0015h is not
supported, as is the case in DOS versions prior to 5.0
see Geoff Chappell's book _DOS_Internals_ for additional discussions of
this function, DOSMGR's behavior, and instancing in general
See Also: AX=1607h/BX=0015h
Format of Windows/386 instance data:
Offset Size Description
00h WORD segment of IO.SYS (0000h = default 0070h)
02h WORD offset in IO.SYS of STACKS data structure (DOS 3.2x)
0000h if not applicable
04h WORD number of instance data entries (max 32)
06h Array of instance data entries
Offset Size Description
00h WORD segment (0002h = DOS kernel)
02h WORD offset
04h WORD size
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