Half Byte Loader SVN r85 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:
r84
Creating a branch for P5 development
r85
wololo
- Put HBL back into partition 2. This fixes issue 133 (exit/sleep not working).
Changes into malloc also fix issues with Wagic and some roms not loading in gpsp
since rev 80
- Move all globals into a struct in scratchpad. This fixes issue 128 (HBL too
big since rev 79)
- Fix issue 123 (devkitversion)...again :) Which should fix "firmware" errors in
Daedalus
- Added a sanity "test" homebrew. If you code some changes and this homebrew
reports errors : Don't submit your code!

Download: Half Byte Loader SVN r85
Source:Here