外中断实验\DZC33.ASM ..........\DZC33.DSN ..........\DZC33.HEX ..........\DZC33.LST ..........\DZC33.PWI ..........\DZC33.SDI ..........\Last Loaded DZC31.DBK ..........\Last Loaded DZC33.DBK ..........\新建 Microsoft Word 文档.doc 外中断实验