hd.txt

这是应用于dvcc86h是程序！是8259A的程序@！

CODE  SEGMENT 
      ASSUME CS:CODE             
MAIN: MOV AH,07H
      INT 21H       
      MOV DH,al
      MOV BH,AL
      MOV CH,1    
      CMP DH,39H
      JBE DISP
      INC CH
      MOV DH,31H
      JMP DISP
LP:   MOV DH,BH
      AND DH,0FH
      ADD DH,2FH                              
DISP: MOV DL,DH        
      MOV AH,2
      INT 21H      
      DEC CH
      JNZ LP              
      MOV AH,4CH
      INT 21H
CODE ENDS
     END MAIN