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Toot

Written by OSNews on 2025-01-23 at 00:41

Snowdrop OS: a homebrew operating system from scratch, in x86 assembly language

Snowdrop OS was born of my childhood curiosity around what happens when a PC is turned on, the mysteries of bootable disks, and the hidden aspects of operating systems. It is a 16-bit real mode operating system for the IBM PC architecture. I designed and developed this homebrew OS

https://www.osnews.com/story/141600/snowdrop-os-a-homebrew-operating-system-from-scratch-in-x86-assembly-language/

[#]OSNews

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Descendants

Written by Craig Duncan on 2025-01-23 at 01:08

@osnews What an incredible effort!

The 'real mode' that lies at the heart of this, for other readers who haven't looked at metal PC internals for a while:

https://wiki.osdev.org/Real_Mode

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