The Windows CE Dreamcast Community edition
Article excerpt
The Dreamcast shipped a stripped-down Windows CE 2.12 that retail games booted into and never exposed. Windows CE Dreamcast Community Edition takes that same on-disc CE runtime and turns it into something you can actually use: a multitasking windowed desktop and an in-progress TCP/IP stack over the Broadband Adapter, all baked into a standard bootable Dreamcast disc.
It is fully self-contained: the SH-4 PE compiler and the entire CE image toolchain are vendored in this repo. One cmake invocation goes from source to a bootable disc.gdi. No Platform Builder, no SDK install, no CD key.
Check out the project on GitHub.