Date: Wed, 11 Dec 1996 13:36:13 +0100 (MET)
From: Miguel Murillo <mmurillo AT ideafix DOT cps DOT unizar DOT es>
To: Bruce A Locke <praxis_beta AT juno DOT com>
cc: djgpp AT delorie DOT com
Subject: Re: Newbie Question:  Why doesn't this work?  
In-Reply-To: <19961206.232059.4631.0.Praxis_Beta@juno.com>
Message-ID: <Pine.LNX.3.95.961211133327.13633A-100000@ideafix.cps.unizar.es>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII



On Fri, 6 Dec 1996, Bruce A Locke wrote:

> 
> Hello everyone.
> 
> Below is a little runt of a program that I have been fidiling with in
> order to learn the <conio.h> fuctions.  But I cannot figure out why it
> doesn't work the way I want it to.
> 
> The ClrScr() command seems to do nothing at all in the program despite
> INFO help stating that it clears the screen.  Also, even if I set the
> textcolor() and textbackground(), The existing screen attributes take
> priority over the colors I set.....
> 
> Does DJGPP handle CONIO differently than in other dos compilers, or am I
> in error?
> 
> Thanks in advance.....
> 
> 
> 
> -- Start of source --
> 
> #include <conio.h>
> 
> void main(void)
> 
> {
> 
>         int xcount;
>         int ycount;
>         char *background_character;
>         background_character = "_"; // char 176
> 
>          for (xcount=1;xcount<81;xcount++)
>                 for (ycount=1; ycount<26; ycount++)
>                     {
> 
>                         textcolor(6);
>                         textbackground(0);
>                         //cprintf("%i,%i\n\r",xcount,ycount);
>                         gotoxy(xcount,ycount);
>                         putchar(*background_character);
>                     };
> 
>         textcolor(15);
>         textbackground(0);
>         clrscr;
> 
>         window (10,5,70,20);
> 
>         textcolor(15);
>         textbackground(4);
>         clrscr();  
>         cprintf(" ERROR!!!!! ILLEGAL REGISTRATION CODE!!!! \n\r");
>         getkey();
> }
> 
> -- End of Source ---

clrscr is function, the line 
              
               clrscr; ?????
What is it!!!!!!

	       clrscr();	

Good luck!
						Miguel Murillo