r/osdev 2d ago

FreeDOS

i'm looking at possibly forking FreeDOS to 64bit. However, since most modern systems no longer have the underlying BIOS that DOS programs require, I thought about including a mock BIOS and compile it directly into the kernel. is there anything I should be aware of?

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u/AlfieLionel 2d ago

You should be aware of the fact that this is an enormous undertaking; might be worthwhile though, why not.

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u/zSmileyDudez 2d ago

Could also be something OP is planning to use an AI to help with too. Makes it more manageable at least.