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What are the main points that somebody needs to know when switching from 16-bit dos real mode programming to 32-bit dos protected mode programming? Im switching from Borland to DJGPP... Isnt the main difference in how they access memory? and how much memory you can allocate?

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From what I understand..
Pmode allows 4 GB of accessable memory, while Real mode just lets you access the 640 kb and then swap in and out with the rest of the RAM...

I never really understood why anyone would want to use Real Mode after PMode, but I guess there are advantages..

Here''s a nice little link that might come in handy..

Feel free to correct me on anything..


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