File list (Check if you may need any files):
07 6264扩展内存\6264扩展内存.DSN
...............\6264扩展内存.PWI
...............\code\6264
...............\....\6264.c
...............\....\6264.lnp
...............\....\6264.LST
...............\....\6264.M51
...............\....\6264.OBJ
...............\....\6264.Opt
...............\....\6264.plg
...............\....\6264.Uv2
...............\....\STARTUP.A51
...............\....\STARTUP.LST
...............\....\STARTUP.OBJ
...............\Keil C\6264扩展内存
...............\......\6264扩展内存.hex
...............\Last Loaded 6264扩展内存.DBK
...............\code
...............\Keil C
07 6264扩展内存