2-1.asm

几个汇编小程序。能实现电话号码本的管理

program segment
main proc far
   assume cs:program
start:
   push ds
   sub ax,ax
   push ax
   mov dl,10h
next1:
   mov cx,15
next2:
   cmp dl,0ffh
   jnc exit
   mov ah,02h
   int 21h
   mov bl,dl
   mov dl,00h
   int 21h
   mov dl,bl
   inc dl
   dec cx
   jnz next2
   mov bl,dl
   mov dl,0ah
   mov ah,02h
   int 21h
   mov dl,0dh
   int 21h
   mov dl,bl
   jmp next1
exit:
  ret
main endp
program ends
end start