p139.asm

王爽汇编语言的课件

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
start: 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 start