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DOS should be able to boot in UEFI with a hack, write an UEFi stub that loads and set up the interrupt vectors and switch into real mode before loading the re
by mrlonglong 4y ago
DOS should be able to boot in UEFI with a hack, write an UEFi stub that loads and set up the interrupt vectors and switch into real mode before loading the rest of the MS-DOS boot files.
- toast0 4y agoVideo might be a problem. I think intel integrated graphics might be UEFI only now, I don't know if they still have the text modes that DOS uses.
- mrlonglong 4y agoQuite,you set up the interrupt vectors and mask off the video memory regions so access throws an exception and all this can be handled in the exception handlers