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

Memory mapped devices from real mode (Developers)

posted by marcov, 03.03.2020, 10:12

> AFAIK, nearptr stuff (and CWSDPR0) originally were used for Quake 1 back in
> 1996.

That's probably near the date of the move of v1 to v2 of FPC. But afaik dos mostly access the first mb via %fs.

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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
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    - Memory mapped devices from resl mode - Laaca, 04.03.2020, 14:01
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      - Memory mapped devices from resl mode - marcov, 02.03.2020, 15:43
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        Memory mapped devices from resl mode - marcov, 02.03.2020, 23:13
        Memory mapped devices from real mode - Rugxulo, 03.03.2020, 06:11
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        Memory mapped devices from real mode - Rugxulo, 03.03.2020, 22:12
        Memory mapped devices from resl mode - Khusraw, 03.03.2020, 13:34