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README.md

REDRIVER2: THE RIVER FLOWS WITH TEARS OF BLOOD

PC (Windows): Build status

PSX: pending

Project attempting to reverse-engineer PS1 game Driver 2;

Start Date: 28 March 2019

Goals

  • Rebuild all source code from assembly
  • Compile native version for PC (and for PSX later)
  • Make game playable from start to finish, all game modes should function properly
  • Fix all reverse-engineering bugs
  • Fix some existing critical bugs and performance issues
  • OpenDriver2? rewrite code, implement various cool stuff, PC rendering and audio engine, get rid of hard-coded stuff

How is it done?

  • All information (variables, types and function names) have been obtained from debugging symbols (.SYM), driver_psx_level and DLE
  • Ghidra project (based on Italian SYM) to deal with overlays, simple code complex branching - semi-auto decompilation
  • IDB based on Spanish SYM when dealing with things Ghidra can't handle properly - manual decompilation (mostly GTE code)

Usage

Assuming you have compiled the most recent code or got artifacts from Appveyor. Copy DRIVER2 folder from your game CD to location where compiled EXE is located.

Credits

  • Soapy - lead programmer
  • Fireboyd78 - code refactoring and improvements
  • Krishty, someone972 - formats decoding
  • Gh0stBlade - API-level PSY-Q libraries reimplementation (HLE PSX Emulator) (link)
  • Ben Lincoln - This Dust Remembers What It Once Was (TDR)
  • Stohrendorf - Symdump utility