name "callfar"

; examples shows how to call int 10h without using int instruction. 

org 100h

; set es:bx to point to int 10h vector in interrupt vector table 
mov bx, 0h
mov es, bx
mov bx, 40h
mov ah, 0eh ; set up int 10h params 
mov al, '$'
pushf
call far es:[bx] ; do a far cal to int10h vector 


; wait for any key.... 
mov ah, 0
int 16h


ret