From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: VESA 1.2, cannot get current video mode!
Date: Fri, 31 Dec 1999 11:04:40 +0200
Organization: NetVision Israel	
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To: djgpp AT delorie DOT com
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sl wrote:
> 
>
> >>    if (regs.h.al!=0x4F)
> >>      setError(noSupport); //command not supported
> >
> >This is backwards: you need to say this:
> >
> >     if (regs.h.al == 0x4F)
> >       setError(noSupport); //command not supported
> 
>         Quoting the VESA 1.2 specs:
> 
>         AL == 4Fh:      Function is supported

Oops!  Sorry, you are right.  I was fooled by my weary eyes by your
wording which said:

> Unfortunately, on my
> system, this call ALWAYS returns regs.h.al=79 instead of regs.h.al=0 which
> would indicate no error has occured.

Why did you say ``Unfortunately''?  The Interrupt List says that
regs.h.al == 4Fh is a sign of success, right?

>         What do you think is wrong now? I still can't get the
> "GetCurrentMode()" to return without an error.

Hmm... I'm not sure what the problem is anymore, see above.  Please tell
where do you see the problem.