Half Byte Loader SVN r92 is released. Half Byte Loader is a project to build an easy to port user-mode homebrew loader for game exploits.

How to install and use Half Byte Loader:
1. Install the Patapon 2 Demo
2. Connect PSP with USB
3. Copy the “hbl” directory and the “h.bin” file to ms0: (copy them to the root)
4. Copy UCUS98732_DATA02 (Patapon 2 SAVEDATA) to ms0:/PSP/SAVEDATA
5. Copy your homebrew to ms0:/PSP/GAME
6. Load the demo, load the hacked save, load your homebrew.

Half Byte Loader SVN Changelog:
r91
wololo
- Moved the menu outside of HBL, it is now a homebrew so that anybody respecting
the API can code their own menu as a "standard" homebrew.
- Added possibility to go back to the menu after playing a homebrew
-- This feature is experimental and there are known bugs about it, please check
the issues list!
r92
wololo
- unload utility modules when exiting a homebrew (partially fixes issue 179)

Download: Half Byte Loader SVN r92
Source:Here