ws7_4.asm

汇编语言-王爽 源代码 加 卜艳萍版源代码

assume cs:code,ds:data
data segment
db '1. file'
db '2. edit'
db '3. search'
db 30h dup(?)
data ends
code segment
start:mov ax,data
mov ds,ax
mov bx,0
mov cx,3
s:
mov al,[bx+3]
and al,11011111b
mov [bx+3],al
add bx,16
loop  s
code ends
end start