4*4 button test base on 89C51,this is a proteus simulation code

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..............\..............\STARTUP.A51
..............\..............\STARTUP.LST
..............\..............\STARTUP.OBJ
..............\..............\test
..............\..............\test.c
..............\..............\test.hex
..............\..............\test.lnp
..............\..............\test.LST
..............\..............\test.M51
..............\..............\test.OBJ
..............\..............\test.plg
..............\..............\test.uvgui.Administrator
..............\..............\test.uvgui_Administrator.bak
..............\..............\test.uvopt
..............\..............\test.uvproj
..............\..............\test_uvopt.bak
..............\..............\test_uvproj.bak
..............\Last Loaded 原理图.DBK
..............\原理图.DSN
..............\原理图.jpg
..............\原理图.PWI
..............\0到f(静态显示)
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