File list (Check if you may need any files):
13矩阵键盘\13矩阵键盘(搞定！)\keyboard
..........\..................\keyboard.c
..........\..................\keyboard.hex
..........\..................\keyboard.lnp
..........\..................\keyboard.LST
..........\..................\keyboard.M51
..........\..................\keyboard.OBJ
..........\..................\keyboard.opt.bak
..........\..................\keyboard.plg
..........\..................\keyboard.Uv2.bak
..........\..................\keyboard.uvopt
..........\..................\keyboard.uvproj
..........\..................\keyboard_Opt.Bak
..........\..................\keyboard_uvopt.bak
..........\13矩阵键盘(搞定！)
13矩阵键盘
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