待运行代码：

assume cs:codesg,ds:datasg

datasg segment
  db '1. file         '
  db '2. Edit         '
  db '3. search       '
  db '4. view         '
  db '5. options      '
  db '6. help         '
datasg ends

codesg segment
f:  mov ax,datasg
  mov ds,ax
  mov bx,0
  
  mov cx,6
  s:mov al,[bx+3]
  and al,11011111b
  mov [bx+3],al
  add bx,16
  loop s
  
  mov ax,4c00h
  int 21h
  
codesg ends
end f

运行之后的结果：