时钟\shizhong.prj ....\SHIZHONG.SRC ....\shizhong.mak ....\shizhong.lk ....\shizhong.dp2 ....\shizhong.s ....\shizhong.lis ....\shizhong.hex ....\shizhong.cof ....\shizhong.mp ....\shizhong.dbg ....\shizhong.lst ....\shizhong.o ....\shizhong._c ....\shizhong.c 时钟 ....\8 bit shumaguan.DSN