汇编冒泡排序

Input    macro    k
         Local    nsub7
         mov ah,1
        int 21h
        sub al,30h
        cmp al,0aH
        jc  nsub7     
        sub al,7      
nsub7:   
        mov k,al
        endm


output  macro   b
        local    next
        mov dl,b
        and dl,0fh
        add dl,30h
        cmp dl,3ah
        jc  next   
        add dl,7    
 next: 
        mov ah,2
        int 21h
       endm