GoToBoot: 
MOV AUXR1,#020H 
MOV R0,#11 
MOV R1,#06H 
MOV DPTR,#00H 
MOV A,#0FFF0H 
SETB P2.2 ; buzzer on 
CALL DELAY 
CLR P2.2 ; buzzer off 
MOV R1,#0FFH 
DJNZ R1,$ 
SETB P2.2 ; buzzer on 
CALL DELAY 
CLR P2.2 ; buzzer off 
LCALL 0FFFH