很有意思的程序

cseg  segment
assume cs:cseg
org 100h
jmp start
count dw 18h
pp  proc
push ax
push dx
      

dec count
  
jnz  next
mov count ,12h
mov dl,'L'
mov ah,2
int 21h
next:   
  pop dx
pop ax
iret
pp endp
start:   xor ax,ax
mov es,ax
mov bx,0070h
mov es:[bx],offset pp
mov es:[bx+2],seg pp

mov ah,1ch
int 21h
                        
mov dx,offset start
int 27h
cseg  ends
end start