mcs51lab4 .........\code .........\....\lab4 .........\....\lab4.hex .........\....\lab4.lnp .........\....\lab4.M51 .........\....\lab4.Opt .........\....\lab4.plg .........\....\lab4.Uv2 .........\....\lab4_Opt.Bak .........\....\lab4_Uv2.Bak .........\....\lcd.h .........\....\main.c .........\....\main.LST .........\....\main.OBJ .........\....\serial.h .........\....\STARTUP.A51 .........\....\STARTUP.LST .........\....\STARTUP.OBJ