ck\ck ..\ck.c ..\ck.hex ..\ck.lnp ..\ck.LST ..\ck.M51 ..\ck.OBJ ..\ck.Opt ..\ck.plg ..\ck.Uv2 ..\ck.__i ..\ck_Opt.Bak ..\ck_Uv2.Bak ..\STARTUP.A51 ..\STARTUP.LST ..\STARTUP.OBJ ck