DOS ain't dead - Memory mapped devices from resl mode

Memory mapped devices from resl mode (Developers)

posted by Khusraw , Bucharest, Romania, 27.02.2020, 09:07

> In DJGPP I use DPMI function for physical memory mapping. If you have some
> DPMI wrappers in FPC you can use it too.

Yes, you can use DPMI physical memory mapping functions, wrapped or not, but this will obviously work only under DPMI. If your program is intended to run in real mode OR V86 mode, use INT 15h/87h to access the memory mapped registers.

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Complete thread:

Memory mapped devices from resl mode - Laaca, 26.02.2020, 12:11 (Developers)
- Memory mapped devices from resl mode - Khusraw, 26.02.2020, 12:35
- Memory mapped devices from resl mode - RayeR, 27.02.2020, 05:27
  - Memory mapped devices from resl mode - Khusraw, 27.02.2020, 09:07
    - Memory mapped devices from resl mode - Laaca, 04.03.2020, 14:01
      - Memory mapped devices from resl mode - Khusraw, 04.03.2020, 15:02
        Memory mapped devices from resl mode - Laaca, 04.03.2020, 15:08
        Memory mapped devices from resl mode - Khusraw, 04.03.2020, 15:23
        Memory mapped devices from resl mode - Khusraw, 04.03.2020, 15:36
        Memory mapped devices from resl mode - Khusraw, 04.03.2020, 16:55
        Memory mapped devices from resl mode - Laaca, 04.03.2020, 18:54
        Memory mapped devices from resl mode - Khusraw, 04.03.2020, 19:33
  - Memory mapped devices from resl mode - Laaca, 27.02.2020, 17:50
    - Memory mapped devices from resl mode - Khusraw, 27.02.2020, 20:25
      - Memory mapped devices from resl mode - KormaX, 01.03.2020, 22:23
        Memory mapped devices from resl mode - Zyzzle, 02.03.2020, 06:10
        Memory mapped devices from resl mode - KormaX, 12.05.2020, 11:21
      - Memory mapped devices from resl mode - marcov, 02.03.2020, 15:43
        Memory mapped devices from resl mode - Khusraw, 02.03.2020, 19:39
        Memory mapped devices from resl mode - marcov, 02.03.2020, 23:13
        Memory mapped devices from real mode - Rugxulo, 03.03.2020, 06:11
        Memory mapped devices from real mode - marcov, 03.03.2020, 10:12
        Memory mapped devices from real mode - Rugxulo, 03.03.2020, 22:12
        Memory mapped devices from resl mode - Khusraw, 03.03.2020, 13:34