Port P0 is connected to 8 light-emitting diodes, commoncathode, requirements: if the external interrupt 0 maintain the low level, the 8 diode maintain Quanmie state if the external interrupt 1 maintain the low level, the 8 diodes keep bright if the two external interrupt port and connected to a low level, is diode full bright if two interrupt sources are connected to a high level, 8 diodes, 4 high light, low 4 out

keil\pro1.3
....\pro1.3.plg
....\pro1.hex
....\pro1.M51
....\pro3_1.LST
....\pro3_1.OBJ
....\pro3_2.c
....\proj3_1.Opt
....\proj3_1.Uv2
....\proj3_1_Opt.Bak
....\proj3_1_Uv2.Bak
keil

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