Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.os.msdos.programmer > #624

Re: Changing a DPMI host, but keeping the DOS extender

From Ross Ridge <rridge@csclub.uwaterloo.ca>
Newsgroups comp.os.msdos.programmer
Subject Re: Changing a DPMI host, but keeping the DOS extender
Date 2012-05-25 22:06 -0400
Organization University of Waterloo
Message-ID <jppdqp$t83$1@rumours.uwaterloo.ca> (permalink)
References <jp9ck9$5eg$1@speranza.aioe.org> <jpn813$og$1@rumours.uwaterloo.ca> <8dcccd25-8aef-4327-8e2c-44ea5570adac@j25g2000yqn.googlegroups.com> <jppcf3$pta$1@rumours.uwaterloo.ca>

Show all headers | View raw

Ross Ridge  <rridge@csclub.uwaterloo.ca> wrote:
>HDPMI32 saved the VCPI protected mode entry point when it was made
>resident and then used it later to enter protected mode when the DOS
>extender started.

Sorry, the entry point is only used after it switches to protected mode.
HDMPI32 just remembers the fact that it dected VCPI when it was loaded
and then uses the VCPI function INT 67h, AX=0DE0Ch enter protected mode
when the DOS extender starts.

					Ross Ridge

-- 
 l/  //	  Ross Ridge -- The Great HTMU
[oo][oo]  rridge@csclub.uwaterloo.ca
-()-/()/  http://www.csclub.uwaterloo.ca/~rridge/ 
 db  //

Back to comp.os.msdos.programmer | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Changing a DPMI host, but keeping the DOS extender "Rod Pemberton" <do_not_have@notemailntt.cmm> - 2012-05-19 20:08 -0400
  Re: Changing a DPMI host, but keeping the DOS extender Rugxulo <rugxulo@gmail.com> - 2012-05-19 19:07 -0700
    Re: Changing a DPMI host, but keeping the DOS extender "Rod Pemberton" <do_not_have@notemailntt.cmm> - 2012-05-20 05:38 -0400
      Re: Changing a DPMI host, but keeping the DOS extender Rugxulo <rugxulo@gmail.com> - 2012-05-20 09:15 -0700
        Re: Changing a DPMI host, but keeping the DOS extender "Rod Pemberton" <do_not_have@notemailntt.cmm> - 2012-05-20 20:46 -0400
          Re: Changing a DPMI host, but keeping the DOS extender Rugxulo <rugxulo@gmail.com> - 2012-05-21 16:26 -0700
            Re: Changing a DPMI host, but keeping the DOS extender "Rod Pemberton" <do_not_have@notemailntt.cmm> - 2012-05-22 03:39 -0400
              Re: Changing a DPMI host, but keeping the DOS extender Rugxulo <rugxulo@gmail.com> - 2012-05-22 08:41 -0700
                Re: Changing a DPMI host, but keeping the DOS extender Rugxulo <rugxulo@gmail.com> - 2012-05-22 16:14 -0700
                Re: Changing a DPMI host, but keeping the DOS extender "Rod Pemberton" <do_not_have@notemailntt.cmm> - 2012-05-24 15:38 -0400
                Re: Changing a DPMI host, but keeping the DOS extender Rugxulo <rugxulo@gmail.com> - 2012-05-24 14:06 -0700
                Re: Changing a DPMI host, but keeping the DOS extender Ross Ridge <rridge@csclub.uwaterloo.ca> - 2012-05-25 02:14 -0400
                Re: Changing a DPMI host, but keeping the DOS extender Rugxulo <rugxulo@gmail.com> - 2012-05-25 15:55 -0700
                Re: Changing a DPMI host, but keeping the DOS extender Ross Ridge <rridge@csclub.uwaterloo.ca> - 2012-05-25 21:42 -0400
                Re: Changing a DPMI host, but keeping the DOS extender Ross Ridge <rridge@csclub.uwaterloo.ca> - 2012-05-25 22:06 -0400
                Re: Changing a DPMI host, but keeping the DOS extender Rugxulo <rugxulo@gmail.com> - 2012-05-25 23:03 -0700
                Re: Changing a DPMI host, but keeping the DOS extender "Rod Pemberton" <do_not_have@notemailntt.cmm> - 2012-05-26 07:33 -0400
                Re: Changing a DPMI host, but keeping the DOS extender Ross Ridge <rridge@csclub.uwaterloo.ca> - 2012-05-26 20:10 -0400
                Re: Changing a DPMI host, but keeping the DOS extender "Harry Vaderchi" <admin@127.0.0.1> - 2012-05-28 07:38 +0100
  Re: Changing a DPMI host, but keeping the DOS extender Ross Ridge <rridge@csclub.uwaterloo.ca> - 2012-05-20 19:20 -0400

csiph-web