Description: 4* 3 keypad matrix (determinant of the keyboard) scanner. So relevant for developers. Simply use the file that contains the c, call keyscan () function can return the corresponding key
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File list (Check if you may need any files):
键盘扫描\keyscan.c
........\keyscan.LST
........\keyscan.OBJ
........\keyscan.__i
........\STARTUP.A51
........\STARTUP.LST
........\STARTUP.OBJ
........\STARTUP._ia
........\键盘扫描
........\键盘扫描.hex
........\键盘扫描.lnp
........\键盘扫描.M51
........\键盘扫描.Opt
........\键盘扫描.plg
........\键盘扫描.Uv2
........\键盘扫描_Opt.Bak
........\键盘扫描_Uv2.Bak
键盘扫描
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