Xref:	news2.mv.net comp.os.msdos.djgpp:5581
From:	Erik Bachmann <ebp AT dde DOT dk>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Need help to get start with Djgpp V.2.0
Date:	Tue, 02 Jul 1996 15:02:01 +0200
Organization:	Dansk Data Elektronik A/S
Lines:	41
Message-ID:	<31D91DC9.5FE0@dde.dk>
References:	<4r9thf$29u AT clark DOT zippo DOT com> <4ra2df$qv6 AT news DOT inc DOT net>
NNTP-Posting-Host:	ebp-pc.dde.dk
Mime-Version:	1.0
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Jeremy Nelson wrote:
> 
>In article <4r9thf$29u AT clark DOT zippo DOT com>,  <P.F.> wrote:
>>I am a novice in Djgpp, I tried to convert my Borland C++ program to it.  Most
> >of the stuff was converted clean.  But in protected mode, there's no such thing
> >as MK_FP function(I didn't have it), then how do I build a pointer from
> >two short integers?
> 
> Generally, i find that building far pointers from short integers is not
> neccesary using a 32 bit flat memory model.  Remember that djgpp does
> not use segmented memory, so the need to construct far pointers does not
> exist.
> 
> Programming in djgpp is "more like" programming in unix then it is like
> programming in 16-bit dos.  In a rough sort of way.
> 
> jfn

OK - let's try again: How do you fake Borland's MK_FP ???

in dos.h:

#define MK_FP(seg,ofs)	((void _seg *)(seg) + (void near *)(ofs))
#define FP_SEG(fp)      ((unsigned)(void _seg *)(void far *)(fp))
#define FP_OFF(fp)      ((unsigned)(fp))



-- 


---------------------------------------------------------------
     |   |         Dansk Data Elektronik A/S
   __| __| __      Att.: Erik Bachmann
  /  |/  |/__)     Herlev Hovedgade 199
  \__/\__/\__      DK-2730  Herlev, Denmark
  _______                              _______
 (_)   (_) Voice.: (+45) 44 53 92 00  |      #|
  | ::: |  Fax...: (+45) 44 53 24 16  | DDE   | E-mail:
  |_____|  Telex.: 35258 dde dk       |_______|    ebp AT dde DOT dk
---------------------------------------------------------------

- Raw text -