~/wiseowl/projects

Projects

Canonical records of hardware and software work — what was built, why, how, and what was learned. Each project links to its dev logs and related deep-dive articles.

.NET 9 / Windows
Active

Smalltalk from Scratch

A complete Smalltalk-80 interpreter and modern runtime in C# — Blue Book bytecodes, a coldstart image loader, SDL2/SkiaSharp display, and a 884-test CI suite running headless on GitHub Actions.

smalltalkcompilervirtual-machine
2025–
Apple II (DOS 3.3 / WOZ)
Completed

Apple Panic

Reverse engineering the copy protection on the original Apple II arcade port — non-standard WOZ disk geometry, a self-modifying loader, 45 KB of compressed game data, and the nibbler analysis toolkit.

apple-iicopy-protectionretrocomputing
2025 – 2025