C51\ex
...\EX.C
...\EX.LNP
...\ex.LST
...\EX.M51
...\ex.OBJ
...\ex.Opt
...\EX.PLG
...\ex.Uv2
...\ex_Opt.Bak
...\ex_Uv2.Bak
...\STARTUP.A51
...\STARTUP.LST
...\STARTUP.OBJ
C51