🚀 go-pugleaf

	Could someone please help me, below is code that "should" plot a 
pixel to the screen. The code was compiled with Borlandc with no errors or
warnings. All the executable does is show a blank screen. The color RED is 
a constant that Borlandc recognises. I already know that there are Borlandc
functions that already do this such as putpixel and setgraphmode, however,
I am trying to use the code below to work so I can use it with a game
programming book I have. Any help in this matter would be greatly
appreciated through e-mail.
			Thanx in advance.

#include <stdio.h>
#include <conio.h>
#include <dos.h>

#define	VGA256		0x13
#define TEXT_MODE       0x03

int offset ,x ,y;
char far *video_buffer = (char far)0xA0000000L;

void Set_Video_Mode(int mode)
{
	union REGS  inregs ,outregs;

	inregs.h.ah = 0;
	inregs.h.al = (unsigned char)mode;
	int86(0x10, &inregs, &outregs);
}

void main()
{
	Set_Video_Mode(VGA256);
	x = 160; y = 100;
	offset = y*320 + x;
	video_buffer[offset] = RED;
	getch();
	Set_Video_Mode(TEXT_MODE);
}

******************************************************************************
* email: mrose@neumann.une.edu.au * There are three types of mathematicians; *
*        mrose@metz.une.edu.au    * Ones who can count and ones who can't.   *
******************************************************************************