delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp-workers/2001/08/01/09:42:34

From: "Mark E." <snowball3 AT bigfoot DOT com>
To: djgpp-workers AT delorie DOT com
Date: Wed, 1 Aug 2001 09:27:54 -0400
MIME-Version: 1.0
Subject: Re: djgpp: djgpp/src/libc/posix/termios/tmwrite.c
Message-ID: <3B67CB9A.11850.59D30@localhost>
References: <200107312149 DOT RAA16033 AT delorie DOT com>
In-reply-to: <Pine.SUN.3.91.1010801114831.14932I-100000@is>
X-mailer: Pegasus Mail for Win32 (v3.12c)
Reply-To: djgpp-workers AT delorie DOT com

> The upshot of this is that you need to call a special function (see
> refreshvirtualscreen on conio.c) to signal DOS/V that it should update
> the actual screen from its virtual contents at 0xb800 or wherever.

Thanks. I'll check it out.
 
> Since the above code cares about the video buffer address, maybe it
> needs that code as well?  

Color support requires direct video access, so from your description it 
probaby does.

> Also, why did you need your own code to figure out the address of the
> primary screen?  The _go32_info_block variable already has it, ready
> to be used.

I didn't know.

Mark

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019