N has just released his latest unofficial version of RIN, the Gameboy / Gameboy Color emulator for the PSP. Here is the recent editions to this version of UO-RIN

Tried to include CAB support for RIN v1.32 (by n)
Display the progress bar for testing purpose
Performance boost
Using libmspack. The license is from GPL. Program not included in GPL cannot re-use it.
About CAB compression. Cab is a compressing method using both winzip and lzx. Between these 2 methods, lzx's compression is better, de-compress speed is higher.