yeathy2.asm

汇编语言的实验报告

prognam segment
main proc far
  assume cs:prognam
  start:
   push ds
   sub ax,ax
   push ax
   mov bl,10h
   mov cx,15
   again1:
    mov bh,16
   again2:
    mov ah,02h
    mov dl,bl
    int 21h
    mov ah,02h
    mov dl,0h
    int 21h
    inc bl
    dec bh
    jnz again2
    mov ah,02h
    mov dl,0dh
    int 21h
    mov ah,02h
    mov dl,0ah
    int 21h
    loop again1
    ret
  main endp
prognam ends 
end start