hakuX

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8.0

android

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hakuX is a xemu (X1 BOX) fork, optimized for Adreno devices.

Setup Requirements

To use the emulator, you must provide your own legally obtained original Xbox files, such as:

MCPX Boot ROM

Flash ROM / BIOS

Xbox hard disk image

Game files/images from your own discs

hakuX does not include copyrighted BIOS or game content.

v0.3.0Apr 9, 2026

hakuX v0.3.0
Performance
GPU overhead reduction: batched surface downloads, eliminated redundant image transitions, no-op transition guard
Texture cache doubled and made configurable — fixes texture pop-in in open-world games
Native BC1/BC2 compressed texture upload; GPU compute DXT5 decompression
NV2A fast-path expansion for high-frequency methods
VkSampler cache, NEON blit optimization, optimized descriptor management
Stability
Fix 30fps trap — games no longer get stuck at half speed after temporary drops
Fix pipeline exhaustion crash, surface eviction corruption, XISO conversion issues
Fix RCU crash on quick restart, NOP assert, shader binding crash
Xbox kernel crash detection with diagnostic output
Audio
Audio subsystem aligned with X1 BOX
Texture Modding
Dump game textures as PNG for texture pack creation
Settings & UI & Networking
Per-game settings with visual override highlighting
Configurable texture cache size, skip occlusion queries, skip boot animation
Xbox dashboard management, EEPROM editor, Insignia networking (ported from X1 BOX)
Debug log export
Known issues:
Some games are broken on both hakuX and X1 BOX, like Night Caster. This is under investigation and probably related to something fundamental in the initial porting to Android
Fable has fundamental issues made worse by some of the optimizations on hakuX. While probing the root cause added a disgusting skip.

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