exp_6_2.asm

单片机硬件实验代码

        ORG     0000H
        LJMP    START   
        ORG     0030H
START:  MOV     30H,#40H
        MOV     31H,#50H
        MOV     32H,#02H        
     
        MOV     R0,30H
        MOV     R1,31H
        MOV     R7,32H
        
 LOOP:  MOV     A,@R0
        SWAP    A
        ANL     A,#0FH
        MOV     B,#10D
        MUL     AB
        MOV     R2,A
        MOV     A,@R0
        ANL     A,#0FH
        ADD     A,R2
        MOV     @R1,A            
        INC     R0
        INC     R1
        DJNZ    R7,LOOP
        
       ;;两位一考虑 
        DEC     R1
        MOV     A,@R1       
        MOV     B,#100D
        MUL     AB
        DEC     R1
        ADD     A,@R1
        JNC     NEXT        ;一字节即可
        INC     B         
  NEXT: MOV     @R1,A
        INC     R1
        MOV     @R1,B
        
        SJMP    $
        END