1011.asm

assume cs:code,ds:data


data segment

	db 'lishiyu'

data ends

code segment

start:	mov ax,data
	mov ds,ax
	mov si,0
	mov cx,7
	call capital

	mov ax,4c00h
	int 21h

capital:and byte ptr ds:[si],11011111b
	inc si

	loop capital
	ret

code ends
end start