Yeah, the GPU is a custom part not found elsewhere (IIRC the NV2A GPU is meant to be somewhat similar to the GeForce 2 and GeForce 3). However, there is an emu

Yeah, the GPU is a custom part not found elsewhere (IIRC the NV2A GPU is meant to be somewhat similar to the GeForce 2 and GeForce 3). However, there is an emulator being worked on for the original Xbox called CxBx Reloaded, which is a continuation of the CxBx emulator. To give an idea of how far along it is, here's some recent footage of JSRF: https://m.youtube.com/watch?v=8fYaMc18apI https://m.youtube.com/watch?v=8fYaMc18apI