YK1602 ......\KEIL.DSK ......\KEIL.PRJ ......\SIO ......\yk1602 ......\YK1602.C ......\yk1602.hex ......\YK1602.LNP ......\yk1602.LST ......\YK1602.M51 ......\yk1602.OBJ ......\yk1602.Opt ......\YK1602.PLG ......\yk1602.Uv2 ......\yk1602_Opt.Bak ......\yk1602_Uv2.Bak