int testvar_i=10;
void main ()
{
	game_save("save",0,SV_ALL-SV_INFO);//or game_save("save",0,SV_VARS);
	testvar_i = 300;printf("CHANGED!\n\ntestvar_i   = %d", testvar_i);
	if(game_load("save",0) <= 0) { printf("Load Error!"); } 
	if(testvar_i==10){printf("FAILURE!\n\ntestvar_i still  = %d", testvar_i);}
	sys_exit(0);
}