From:	"Gregorio Hankiewicz" <gregorio AT jet DOT es>
Newsgroups:	comp.os.msdos.djgpp,comp.graphics.algorithms
Subject:	Re: VESA 2.0 and getch() bug?
Date:	21 Mar 1997 15:15:48 GMT
Organization:	Unisource Espana NEWS SERVER
Lines:	35
Message-ID:	<01bc3554$b2601ea0$0100007f@pentium-120>
References:	<332FB886 DOT 3A9F AT finebody DOT com>
NNTP-Posting-Host:	info181.jet.es
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

> How can this work:
> void VESAdriver::flipPage(byte* poff) {
>   byte* video = (byte*)ADDR;
>   __djgpp_nearptr_enable();
>   video -= __djgpp_base_address;
>   memcpy(video,poff,320*3*240);
>   __djgpp_nearptr_disable();
>   getch();
> }
> 
> and this don't?
> void VESAdriver::flipPage(byte* poff) {
>   byte* video = (byte*)ADDR;
>   __djgpp_nearptr_enable();
>   video -= __djgpp_base_address;
>   memcpy(video,poff,320*3*240);
>   __djgpp_nearptr_disable();
> //  getch();
> }
> 
The only difference I noticed is that in the second one you put an '//'
before getch(), suposedly to make the compiler ignore the line.
I think there's somewhere on a readme file which comes with djgpp that '//'
is not recognized as a remark.
However, you still can use /* */ or just erase the line.
First try putting /* before and */ after the line you want to remark.
If it still doesn't work, erase that line.
Hope this helps.

-- 

Have a nice day :)
        Gregorio Hankiewicz
        gregorio AT jet DOT es, http://www.jet.es/gregorio

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