DOS ain't dead

Dif. MTRR WC setting behavior under v86-question for Japheth (Developers)

posted by RayeR , CZ, 01.01.2019, 23:10

> You could try to use HDPMI instead of the DOS4GW DPMI host and see if that
> makes any difference. HDPMI doesn't set the "write through" or "cache
> disable" page table bits for DPMI function 0800h (map physical device).

OK, how can I do it? Is it enough to load HDPMI permanently with -r ? Or do I need to modify game stub code?

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DOS gives me freedom to unlimited HW access.

Complete thread:

• Dif. MTRR WC setting behavior under v86-question for Japheth - RayeR, 29.12.2018, 01:11 (Developers)
  • Dif. MTRR WC setting behavior under v86-question for Japheth - Japheth, 30.12.2018, 19:48
    • Dif. MTRR WC setting behavior under v86-question for Japheth - RayeR, 31.12.2018, 17:09
      • Dif. MTRR WC setting behavior under v86-question for Japheth - Japheth, 01.01.2019, 14:12
        • Dif. MTRR WC setting behavior under v86-question for Japheth - RayeR, 01.01.2019, 23:10
          • Dif. MTRR WC setting behavior under v86-question for Japheth - RayeR, 04.01.2019, 05:58
            • Dif. MTRR WC setting behavior under v86-question for Japheth - Laaca, 04.01.2019, 09:34
            • Dif. MTRR WC setting behavior under v86-question for Japheth - Japheth, 04.01.2019, 19:29
              • Dif. MTRR WC setting behavior under v86-question for Japheth - RayeR, 05.01.2019, 04:40