External interrupt experiment!!! 1) P0 with 8 light-emitting diodes, commoncathode, requirements: if the external interrupt 0 maintain the low level, the 8 diode maintain Quanmie state, once the external interrupt 0 is connected with the high level, the 8 diode recovery to keep the whole state of light

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

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