51单片机中断实验

ORG 0000H
LJMP MAIN
ORG 0013H
LJMP INT1
ORG 0100H
INT1:
CPL P1.7
RETI
ORG 0300H
MAIN:
SETB EX1
SETB IT1
SETB EA
SJMP $




ORG 0000H
LJMP MAIN
ORG 0003H
LJMP INT0
ORG 0100H
INT0:
CPL P1.7
RETI
ORG 0300H
MAIN:MOV IE,#81H
MOV A,#0FEH
ANL TCON,A