DOS ain't dead

64bit DOS sample (Announce)

posted by Japheth , Germany (South), 24.07.2009, 11:57

> BTW is it possible to start long mode from Virtual86 mode or it's just
> limitation of the example?

Switching directly from V86 mode isn't possible, but you can switch to ring 0 via VCPI and then switch to long mode.

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MS-DOS forever!

Complete thread:

• 64bit DOS sample - Japheth, 24.07.2009, 08:57 (Announce)
  • 64bit DOS sample - RayeR, 24.07.2009, 10:25
    • 64bit DOS sample - Japheth, 24.07.2009, 11:57
      • 64bit DOS sample - RayeR, 24.07.2009, 14:17
        • 64bit DOS sample - Japheth, 24.07.2009, 18:53
          • 64bit DOS sample - RayeR, 25.07.2009, 00:01
            • 64bit DOS sample - Japheth, 25.07.2009, 05:43
  • 64bit DOS sample - marcov, 26.07.2009, 14:03
    • 64bit DOS sample - Japheth, 27.07.2009, 10:49