web

retrowin32 for web

retrowin32 can build the emulator as a WebAssembly bundle. There is a central Host abstraction (see win32 docs) that collects functions exposed by the hosting environment, and on web these mostly forward out to TypeScript implementations.

(Why TypeScript? The edit-compile cycle and debugging experience of using TypeScript is currently a lot better than Rust.)

There are two web frontends that share the emulator integration logic:

1. run.html/run.tsx is the smaller "run a program" UI
2. debugger.html/debugger.tsx implements the x86 debugger

Code layout

• glue/ -- the Rust library that becomes wasm
• debugger/ -- the debugging UI

The retrowin32 website

The retrowin32 website is a mixture of files generated by the appdb tools and some hand-written files which also live in this directory.

The deployed website lives in the pages Git branch. The deploy.sh script runs the build process for generated files, which includes the wasm bundle, the TypeScript, and the appdb. It has some comments about how it expects to be set up to run.