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PSeudo JS (https://naden.co)

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PSeudo JS is a PSX emulator based on JavaScript and is being developed using .h headers in addition to .js files. This unusual technique helps me keep the workspace clean and simple, while at the same time modular code gets inlined for optimization before runtime on the VM. The codebase is compatible with ES5 JavaScript onwards.

Check out this video demonstration

Bushido BladeBust-A-Move

KlonoaSoul Reaver

Live Build

https://naden.co/pseudo

Completion

Here's a list with the overall progress of the emulator, broken down in distinct parts.

  • 95% -> CPU Mips R3000A
  • 90% -> DMA
  • 85% -> Mem IO
  • 85% -> Movie Decoder
  • 80% -> Interrupts
  • 75% -> CD Decoder
  • 70% -> GPU Primitives & Commands
  • 65% -> GPU Textures
  • 60% -> Audio
  • 60% -> GTE
  • 55% -> Rootcounters
  • 25% -> Serial IO
  • 10% -> XA Audio

Smash Court Tennis 3Tenchu

PSeudo JS can load some commercial games, but speed and overall experience is mediocre at best. The emulator is quite inaccurate on timing and this is crucial most of the time. Also, for quite some time I will keep working on it with the provided slow CPU Interpreter. An attempt for speedup will be made later on with a JavaScript Tracer.

Gran Turismo 2Klonoa

Compile / Build

PSeudo JS makes usage of Clang compiler to build. In order to build PSeudo JS, just run the build command on the terminal. You need to run this project from a localhost server like Apache. You must also include a valid BIOS file like scph1001.bin in the bios folder in order to test it. I will not provide information on how and where to find this.

License

Open-source under Apache 2.0 license.