作者:  来源:  发布日期:2007-9-7 9:37:49  点击次数:

       INT21H            ;退出程序                    
                           
WRITE:
       MOVAH,3DH                             
       MOVDX,OFFSET D4;                           
       MOVAL,00H                             
       INT21H            ;打开A:\BOOT.DAT                    
       JBERROR                              
       PUSHAX                                
       MOVAH,3FH                             
       MOVDX,7000H                           
       MOVCX,0200H                           
       POPBX                                
       INT21H            ;将A:\BOOT.DAT读入内存                   
       MOVAH,03H