Kernel update to V 1.70
dowload at here
Edit by Sosuke: mirror here on site

fix and improvement since 1.68
1. Add auto DLDI patching
2. Modified the cheat engine
3. Fixed the white screen after txt reading
4. resetsp.bin updated to 1981, fixed 1960 1978
Notice: this version kernel also included the bootstrap loader updater, if you never updated to 1.68 before. please read the instruction below before you update this kernel.