$NOMOD51
$include (C8051F120.h)
LED BIT P1.6;
CSEG AT 0;
LJMP MAIN;
Reset_Sources_Init:
mov WDTCN, #0DEh ;
mov WDTCN, #0ADh
ret
Port_IO_Init:
mov SFRPAGE, #CONFIG_PAGE ;
mov P1MDOUT, #040h
mov XBR2, #040h
ret
; Initialization function for device,
; Call Init_Device from your main program
Init_Device:
    lcall Reset_Sources_Init
    lcall Port_IO_Init
    ret
MAIN:
    lcall Init_Device;
    CLR LED;
    mov R5, #00h;
    LOOP:
    mov R7, #03h;
    DELAY:
    mov R6, #00h;
    LOOP1:
    djnz R5,$;
    djnz R6, LOOP1;
    djnz R7, DELAY;
    cpl LED;
    sjmp LOOP;
    End