DOS ain't dead

For Rayer - shared resources between DOS and WinXP (Announce)

posted by Japheth , Germany (South), 17.07.2008, 13:38

> > Yes, of course. The LDT is not a part of your program.
>
> It's not, its pointed from GDT. But it's created by my program not the OS
> or is it DPMI call?

In case you asked whether the LDT is accessed with DPMI calls only then the answer is yes, in NTVDM there's no other possibility.

> But I'm still not sure about the prototype. VDM_MODE is defined as enum
> but what is the size of enum? As I looked for it's not a standard but
> dependent on compiler. Some uses 32bit int, some uses smallest possible
> type. But I need to know real size which ntvdm.exe takes to make proper
> import of this function.

A 32bit C compiler "should" always extend arguments with a magnitude < 32 bit (char, short, word, ...) to a dword, so this is no problem at all.

---
MS-DOS forever!

Complete thread:

• For Rayer - shared resources between DOS and WinXP - Laaca, 05.07.2008, 10:08 (Announce)
  • For Rayer - shared resources between DOS and WinXP - Japheth, 05.07.2008, 11:27
    • For Rayer - shared resources between DOS and WinXP - RayeR, 06.07.2008, 13:26
      • For Rayer - shared resources between DOS and WinXP - Japheth, 07.07.2008, 09:19
        • For Rayer - shared resources between DOS and WinXP - RayeR, 08.07.2008, 14:02
          • For Rayer - shared resources between DOS and WinXP - Japheth, 08.07.2008, 17:08
            • For Rayer - shared resources between DOS and WinXP - RayeR, 11.07.2008, 02:53
              • For Rayer - shared resources between DOS and WinXP - Japheth, 11.07.2008, 09:30
                • For Rayer - shared resources between DOS and WinXP - RayeR, 11.07.2008, 11:18
                  • For Rayer - shared resources between DOS and WinXP - Japheth, 11.07.2008, 11:38
                    • For Rayer - shared resources between DOS and WinXP - RayeR, 11.07.2008, 14:12
                      • For Rayer - shared resources between DOS and WinXP - Japheth, 11.07.2008, 20:39
                        • For Rayer - shared resources between DOS and WinXP - RayeR, 16.07.2008, 15:51
                          • For Rayer - shared resources between DOS and WinXP - Japheth, 17.07.2008, 08:20
                            • For Rayer - shared resources between DOS and WinXP - RayeR, 17.07.2008, 12:25
                              • For Rayer - shared resources between DOS and WinXP - Japheth, 17.07.2008, 13:38
                                • For Rayer - shared resources between DOS and WinXP - RayeR, 17.07.2008, 14:05
                                  • For Rayer - shared resources between DOS and WinXP - Rugxulo, 17.07.2008, 14:35
                                    • For Rayer - shared resources between DOS and WinXP - RayeR, 17.07.2008, 18:55
                                      • For Rayer - shared resources between DOS and WinXP - Rugxulo, 18.07.2008, 13:50
                                        • For Rayer - shared resources between DOS and WinXP - RayeR, 22.07.2008, 10:24
                                          • For Rayer - shared resources between DOS and WinXP - Rugxulo, 23.07.2008, 00:51
                                            • For Rayer - shared resources between DOS and WinXP - RayeR, 23.07.2008, 16:56
                                              • For Rayer - shared resources between DOS and WinXP - Rugxulo, 24.07.2008, 07:06
            • For Rayer - shared resources between DOS and WinXP - Rugxulo, 23.07.2008, 01:00
  • For Rayer - shared resources between DOS and WinXP - RayeR, 11.07.2008, 23:04
    • For Rayer - shared resources between DOS and WinXP - RayeR, 11.07.2008, 23:19
  • For Rayer - shared resources between DOS and WinXP - ho1459, 13.07.2008, 08:40