File list (Check if you may need any files):
Phim ma tran\4X4SCAN\MAIN.hex
............\.......\SCAN_KEY_LCD.DSN
............\.......\SCAN_KEY_LCD.PWI
............\4X4SCAN_LCD.rar
............\Bai013\Bai013_MaTranPhimCoBan\Bai013_MaTranPhimCoBan
............\......\......................\Bai013_MaTranPhimCoBan.hex
............\......\......................\Bai013_MaTranPhimCoBan.lnp
............\......\......................\Bai013_MaTranPhimCoBan.M51
............\......\......................\Bai013_MaTranPhimCoBan.plg
............\......\......................\Bai013_MaTranPhimCoBan.uvopt
............\......\......................\Bai013_MaTranPhimCoBan.uvproj
............\......\......................\Bai013_MaTranPhimCoBan_uvopt.bak
............\......\......................\Bai013_MaTranPhimCoBan_uvproj.bak
............\......\......................\Delay.lst
............\......\......................\Delay.obj
............\......\......................\Keypad4x4.lst
............\......\......................\Keypad4x4.obj
............\......\......................\Keypad4x4.__i
............\......\......................\Last Loaded Schematic.DBK
............\......\......................\main.c
............\......\......................\main.h
............\......\......................\main.LST
............\......\......................\main.OBJ
............\......\......................\Port.h
............\......\......................\Schematic.DSN
............\......\......................\Schematic.PWI
............\......\Lib\Delay.c
............\......\...\Delay.h
............\......\...\Keypad4x4.c
............\......\...\Keypad4x4.h
............\Bai013.rar
............\Code\Phim ma tran
............\....\Phim ma tran.c
............\....\Phim ma tran.hex
............\....\Phim ma tran.lnp
............\....\Phim ma tran.LST
............\....\Phim ma tran.M51
............\....\Phim ma tran.OBJ
............\....\Phim ma tran.plg
............\....\Phim ma tran.uvopt
............\....\Phim ma tran.uvproj
............\....\Phim ma tran_uvproj.bak
............\...._MP\Code_Test\DELAY\delay.c
............\.......\.........\.....\delay.H
............\.......\.........\delay.lst
............\.......\.........\delay.obj
............\.......\.........\LCD1602\lcd1602.c
............\.......\.........\.......\LCD1602.H
............\.......\.........\lcd1602.lst
............\.......\.........\lcd1602.obj
............\.......\.........\main.c
............\.......\.........\MAIN.H
............\.......\.........\main.LST
............\.......\.........\main.OBJ
............\.......\.........\MTP\mtp4x4.c
............\.......\.........\...\MTP4X4.H
............\.......\.........\mtp44
............\.......\.........\mtp44.hex
............\.......\.........\mtp44.lnp
............\.......\.........\mtp44.M51
............\.......\.........\mtp44.plg
............\.......\.........\mtp44.uvgui.LE ANH QUANG
............\.......\.........\mtp44.uvgui_LE ANH QUANG.bak
............\.......\.........\mtp44.uvopt
............\.......\.........\mtp44.uvproj
............\.......\.........\mtp44_uvopt.bak
............\.......\.........\mtp44_uvproj.bak
............\.......\.........\mtp4x4.lst
............\.......\.........\mtp4x4.obj
............\.......\Mo_Phong\Last Loaded MH_8051_MTP44.DBK
............\.......\........\Last Loaded MTP44.DBK
............\.......\........\MH_8051_MTP44.DSN
............\.......\........\MH_8051_MTP44.PWI
............\.......\........\MTP44.PWI
............\Code_MP.zip
............\Mo phong\Backup Of Phim ma tran.DBK
............\........\Last Loaded Phim ma tran.DBK
............\........\Phim ma tran.DSN
............\........\Phim ma tran.PWI
............\Code_MP\Code_Test\DELAY
............\.......\.........\LCD1602
............\.......\.........\MTP
............\Bai013\Bai013_MaTranPhimCoBan
............\......\Lib
............\Code_MP\Code_Test
............\.......\Mo_Phong
............\4X4SCAN
............\Bai013
............\Code
............\Code_MP
............\Mo phong
Phim ma tran