From mboxrd@z Thu Jan 1 00:00:00 1970 From: ib@wupperonline.de (Ingo Brueckl) Subject: Which function handles copying into the video ram? Date: Sun, 31 May 2009 08:53:00 +0200 Message-ID: <4a222805@wupperonline.de> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7BIT Return-path: In-Reply-To: Sender: linux-msdos-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Bart Oldeman Cc: linux-msdos@vger.kernel.org Bart Oldeman writes: > But DOS programs just write into the video ram directly, there is no > DOSEMU routine involved there, it's just a chunk of memory that DOSEMU > reads at intervals to update the screen. I see. Now I understand why I couldn't find a routine to hook in. > Perhaps you are looking for > src/env/video/text.c > static void draw_string(int x, int y, char *text, int len, Bit8u attr) This is exactly what I was looking for! Thank you so very much for your kind help. I could now make the desired screen output manipulation making my old dos editor to run with dosemu under Linux as if it were written for Linux. Again, thanks a lot. Ingo