systemDrawScreen();
void sdlReadState(int num){  char stateName[2048];  if(saveDir[0])    sprintf(stateName, "%s/%s%d.sgm", saveDir, sdlGetFilename(filename),            num+1);  else    sprintf(stateName,"%s%d.sgm", filename, num+1);  if(emulator.emuReadState)    emulator.emuReadState(stateName);  sprintf(stateName, "Loaded state %d", num+1);  systemScreenMessage(stateName);}