这是SONY官方SDK中提供的源代码，从中可以了解PSP硬件的架构，同时学习其api设计方法和软件优化技巧。代码质量真的很高！（十分珍贵啊！） -This is the official Sony provided in the SDK source code, from which one can understand the PSP hardware structure, api while studying software design methods and optimizatio