Re: help

Kelvin Ng (kelvinng@iname.com) Wed, 16 Feb 2000 08:08:57 -0800 

Date: Wed, 16 Feb 2000 08:08:57 -0800
From: Kelvin Ng <kelvinng@iname.com>
Subject: Re: help




The characters entered did not got printed twice.  It was displayed once 
when you entered it by DOS, and then printed once by your program.

Kelvin

At 01:51 AM 2/16/00 -0800, Eric Wei wrote:
>I wrote this code to test whether I can print an input from keyboard to 
>the screen.  However, when I run the code, I ended up getting the input 
>printed twice.  Could someone please help me with this?  Thanks
>
>Eric
>
>code segment public
>      assume  cs: code, ds: code
>      org     100h
>
>start:
>         mov ah, 1
>         int 21h
>         cmp al, 36
>         jz  done
>         push ax
>         push dx
>         mov dl, al
>         mov ah, 2
>         int 21h
>         pop dx
>         pop ax
>         jmp start
>
>done:
>         int 20h
>
>code ends
>      end  start