REAL DOS/Windows on Scratch! Functional 8086 (x86) Emulator.

REAL DOS/Windows on Scratch! Functional 8086 (x86) Emulator.

by bilman66

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Created: Nov 26, 2025 Last modified: Dec 1, 2025 Shared: Dec 1, 2025

Instructions

WORK IN PROGRESS! It will continue to get better. A mostly functional 8086 emulator that includes Hercules graphics as well as a very nice terminal emulator thanks to @Tacodiva7729 Please, run it on Turbowarp. It will boot on scratch, but it will take a while. https://turbowarp.org/1248315967 Access the C drive by typing "C:" and hitting enter, there is some fun stuff there like Windows, and other things which probably don't work (idk, I haven't tested much of it yet) Run windows by going to the C drive ("C:" + enter), then "cd windows", then "win". Mouse emulation isn't implemented yet, and neither is most of the keys to properly be able to navigate windows. Please note that if you have to type the same key twice, you have to wait a small period of time (quarter of a second) before hitting that key again otherwise it will not register the second click. Have fun!

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