lesson4 .......\lesson4.cof .......\lesson4.hex .......\lesson4.hxl .......\lesson4.lst .......\lesson4.map .......\lesson4.mcp .......\lesson4.mcs .......\lesson4.mcw .......\lesson4.obj .......\lesson4.p1 .......\lesson4.rlf .......\lesson4.sdb .......\lesson4.sym .......\startup.as .......\startup.lst .......\startup.obj .......\startup.rlf