i did everything, i have the no$gba 2.4 emulator went to options>emulation setup>change the thing into flash 256 or 512: then change speed to disaster 10% then save options. played the game until intro is over and save as soon as possible using the game's menu screen. then file quit. check the battery folder and a sav file of diamond is there. open the emulator again then i see my save account, wireless wifi, new game. i chose my save account, press A. and black screen appears. nothing after. why? i need help.