assume cs:code
stack segment
dw 0,0,0,0,0,0,0,0
stack ends
data segment
db '1.display '
db '2.brows '
db '3.replace '
db '4.modify '
data ends
code segment
start: mov ax,stack
mov ss,ax
mov sp,16
mov ax,data
mov ds,ax
mov bx,0
mov cx,4
s:push cx
mov si,2
mov cx,3
s1:mov al,[bx+si]
and al,11011111b
mov [bx+si],al
inc si
loop s1
add bx,16
pop cx
loop s
mov ax,4c00h
int 21h
code ends
end start |
