From:	"A. Sinan Unur" <sinan DOT unur AT cornell DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Accessing video memory directly.
Date:	Sat, 14 Mar 1998 07:48:47 -0500
Organization:	Cornell University (http://www.cornell.edu/)
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Michael Langton wrote:

> This program is intended to put a smiley character in the top left of
> the text mode screen)

> #include <conio.h>
> 
> main() {
>         char *p = (char) 0xb8000;
>         p = 1;
>         getch();
> }

how do you intend to achieve that with p=1?

#include <sys/farptr.h>
#include <go32.h>

#include <conio.h>

#define SMILEY 1

int main(void)
{
  clrscr();
  _farpokeb(_dos_ds, 0xb8000, SMILEY);

  getch();
  return 0;
}

info libc alpha _far has more info.
-- 
----------------------------------------------------------------------
A. Sinan Unur
Department of Policy Analysis and Management, College of Human Ecology,
Cornell University, Ithaca, NY 14853, USA

mailto:sinan DOT unur AT cornell DOT edu
http://www.people.cornell.edu/pages/asu1/

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