交上自己的作业
D:\ASM>type q79.asm
assume cs:codesg,ds:datasg,ss:stacksg
datasg segment
db '1. display '
db '2. brows '
db '3. replace '
db '4. modify '
datasg ends
stacksg segment
dw 0,0,0,0,0,0,0,0
stacksg ends
codesg segment
start: mov ax,datasg
mov ds,ax
mov bx,0
mov cx,4
s: push cx
mov si,3
mov cx,4
s0: mov al,[bx+si]
and al,11011111b
mov [bx+si],al
inc si
loop s0
pop cx
add bx,16
loop s
mov ah,4ch
int 21h
codesg ends
end start
D:\ASM> |
