assume cs:code
code segment
begin:
mov ax,cs
mov ds,ax
mov si,offset error
mov ax,20H
mov es,ax
mov di,0
mov cx,offset enderror-offset error
rep movsb
mov ax,0
mov es,ax
mov word ptr es:[0*4],200H
mov word ptr es:[0*4+2],0
mov ax,4c00H
int 21H
error:
jmp short st1
db 'divide error!'
st1:
mov ax,0
mov ds,ax
mov si,202H
mov ax,0b800H
mov es,ax
mov di,10*0A0H+2*40
mov ah,0
mov cx,13
s: mov al,ds:[si]
mov es:[di],al
inc si
add di,2
loop s
mov ax,4c00H
int 21H
enderror: nop
code ends
end begin