ORG 0000H
SJMP START
ORG 000BH
SJMP T0_INT
START:
MOV TMOD, #01H
MOV TH0, #03cH
MOV TL0, #0b0H ;100ms@6MHz
SETB TR0
SETB ET0
SETB EA
MOV R2, #4
CLR P1.0
SJMP $
T0_INT:
MOV TH0, #03cH
MOV TL0, #0b0H ;100ms@6MHz
SETB P1.0
DJNZ R2, T0_END
MOV R2, #4
CLR P1.0
T0_END:
RETI
END