https://web.archive.org/web/20081220160246/http://www.r4ds-a.com/index.php Kernel 1.27 is UNTESTED! 1.22 known working cheats (1.22): _system_/cheat.dat TTMenu/usrcheat.dat cheats (1.27) Please rename R4 CHEAT FILE "usrcheat.dat" to "cheat.dat", and put in Folder "_SYSTEM_"! Or you also can use *.cht, rename it as same as *.nds, and put it in the same folder. just like aaa.nds and aaa.cht.