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Mail Archives: djgpp/2002/08/03/19:10:57

From: "Jim Watters" <macemu AT emuunlim DOT com>
To: <djgpp AT delorie DOT com>
Subject: RE: Writing text to screen
Date: Sat, 3 Aug 2002 19:00:36 -0400
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I'm just a begineer too (after 3 years of sort of studying C/C++), but
here's a code snippet I studied a few days ago (I'm also interested in
using assembly). I'm working my way through a Micro$oft C Run-Time
Library Reference book to get a feel for C. Here's the DJGPP reference
page on this function:
http://www.delorie.com/djgpp/doc/libc/libc_455.html Hope this is what
you want. -Jim

/*
Language: C
Compiler: DJGPP 2.03
Model: Small
Purpose: Print string to screen using int86 call
Target: DOS
*/

#include <stdio.h>    /* include files */
#include <conio.h>
#include <dos.h>

#define VIDEO 0x10

void movetoxy(int,int); /* function prototype */

int main(void)
{
	movetoxy(35, 10);
	printf("Hello Again!\n");
	return 0;
}

void movetoxy(int x, int y)
{
	union REGS regs;
	regs.h.ah = 2;  /* set cursor position */
	regs.h.dh = y;
	regs.h.dl = x;
	regs.h.bh = 0;  /* video page 0 */
	int86(VIDEO, &regs, &regs);
}


-----Original Message-----
From: Brent Ritchie [mailto:britchieb212 AT rogers DOT com] 



    I could but I'm not that good. I've only been using C++ for about 3
years and I don't exactly understand how the libraries work. I'm used to
being protected from all the low level stuff.



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