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Decompilation project for North American standalone release of Jet Set Radio Future
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That is, xapi0.obj, which has been renamed from crt0.obj because it
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readme.md

Jet Set Radio Future North American Standalone Decompilation

A matching decompilation of the Xbox game Jet Set Radio Future.

Progress

  • Delinking progress: 1.02% (26359 out of 2574172 bytes in XBE address space)
  • Decompilation progress: 18.7% (31 out of the 166 functions delinked so far)
  • Estimated total progress: 0.19% (previous two multiplied together)

Roadmap

The approach of this decompilation is to:

  1. Delink the JSRF executable (default.xbe) into object files, each representing a single C++ source file
  2. Decompile the object files into C++ code that produces matching object files
  3. Link the object files into a Windows executable (n.b. this would not be runnable on Windows)
  4. Repackage the Windows executable into a working Xbox executable

We are currently engaging in the first two steps simultaneously, decompiling code as it's delinked. Further details on these steps can be found in the contribution guide. Step 3 uses the linker from the same Visual C++ 7.0 already used to compile object files. Step 4 uses the cxbe tool found in e.g. nxdk.

Contributing

Anybody interested in joining the effort is welcome to read the contribution guide. Those looking to get in contact with other contributors can post to the repository's issue tracker or join the JSRF Reverse Engineering Discord.