Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
To: "Nicholas Law" <fake_nic DOT law AT dial DOT pipex DOT com>, djgpp AT delorie DOT com
From: Nate Eldredge <nate AT cartsys DOT com>
Subject: Re: Accessing VESA 1.2
Date: Thu, 28 May 1998 16:25:47 -0700
Message-ID: <19980528232445.AAA7077@ppp101.cartsys.com>
Precedence: bulk

At 05:24  5/28/1998 GMT, Nicholas Law wrote:
>Hi all!
>
>I know to access the linear framebuffer under VESA 2.0. However, several of
>the users of my software have requested a version that runs under VESA 1.2.
>I can access the video memory fine, but only using _slow_ interrupt based
>memory window page select...
>
>In 16bit code I used to call the vesa interrupt to get the memory address
>of a vesa function to do this...
>
>How can I access this function in DJGPP?

Well, you can use `__dpmi_simulate_real_mode_procedure_retf' to call the
function, but I don't know whether you'll see significant speed gains.

Nate Eldredge
nate AT cartsys DOT com