no3.asm

吉林大学计算机学院控制实验的几个必做实验的源代码(大四)~

ORG 0000H
JMP STAR
DIG: DB 0C0H 
    DB 0F9H
    DB 0A4H
    DB 0B0H
    DB 99H
    DB 92H
    DB 82H
    DB 0F8H
    DB 80H
    DB 90H
    DB 88H
    DB 83H
    DB 0C6H
    DB 0E1H
    DB 86H
    DB 8EH
STAR: MOV A,#49
      MOV B,#16  
      DIV AB          
      MOV R0,A    
      MOV R1,B     
XIAN: MOV DPTR,#0FF21H
      MOV A,#02H
      MOVX @DPTR,A
      MOV A,R0

      MOV DPTR,#DIG
      MOVC A,@A+DPTR 
      MOV DPTR,#0FF22H  
      MOVX @DPTR,A
      MOV A,#0FFH
      MOVX @DPTR,A
      MOV DPTR,#0FF21H
      MOV A,#01H
      MOVX @DPTR,A
      MOV A,R1    
      MOV DPTR,#DIG
      MOVC A,@A+DPTR
      MOV DPTR,#0FF22H
      MOVX @DPTR,A
      MOV A,#0FFH
      MOVX @DPTR,A
      LJMP XIAN

      END