/*
 * games/_shared/ - shared routines for games
 *
 * mouse.c - interrupt 0x33 handler (mouse service)
 * ____________________________________________________________
 *
 * Developed by Ondrej Jombik <nepto@platon.sk>
 * Copyright (c) 1997-2000 Condy software inc.
 * Copyright (c) 2001-2004 Platon SDG, http://platon.sk/
 * All rights reserved.
 *
 * See README file for more information about this software.
 * See COPYING file for license information.
 *
 * Download the latest version from
 * http://platon.sk/projects/games/
 */

/* $Platon: games/_shared/mouse.c,v 1.3 2003/08/03 21:34:18 nepto Exp $ */

#include <dos.h>

#include "mouse.h"

/* Mouse handler implementation */

BYTE initmouse(void) /* {{{ */
{
	struct REGPACK rg;
	rg.r_ax=0x0;
	intr(0x33,&rg);
	return(rg.r_ax&rg.r_bx);
} /* }}} */

void showmouse(void) /* {{{ */
{
	struct REGPACK rg;
	rg.r_ax=0x1;
	intr(0x33,&rg);
} /* }}} */

void hidemouse(void) /* {{{ */
{
	struct REGPACK rg;
	rg.r_ax=0x2;
	intr(0x33,&rg);
} /* }}} */

BYTE getmousepos(WORD*x,WORD*y) /* {{{ */
{
	struct REGPACK rg;
	rg.r_ax=0x3;
	intr(0x33,&rg);
	*x=rg.r_cx;
	*y=rg.r_dx;
	return(rg.r_bx);
} /* }}} */

void setmousepos(WORD x,WORD y) /* {{{ */
{
	struct REGPACK rg;
	rg.r_cx=x;
	rg.r_dx=y;
	rg.r_ax=0x4;
	intr(0x33,&rg);
} /* }}} */

BYTE pressbutton(BYTE but,WORD*x,WORD*y) /* {{{ */
{
	struct REGPACK rg;
	rg.r_bx=but;
	rg.r_ax=0x5;
	intr(0x33,&rg);
	*x=rg.r_cx;
	*y=rg.r_dx;
	return(rg.r_bx);
} /* }}} */

BYTE releasebutton(BYTE but,WORD*x,WORD*y) /* {{{ */
{
	struct REGPACK rg;
	rg.r_bx=but;
	rg.r_ax=0x6;
	intr(0x33,&rg);
	*x=rg.r_cx;
	*y=rg.r_dx;
	return(rg.r_bx);
} /* }}} */

void rangex(WORD a_min,WORD a_max) /* {{{ */
{
	struct REGPACK rg;
	rg.r_cx=a_min;
	rg.r_dx=a_max;
	rg.r_ax=0x7;
	intr(0x33,&rg);
} /* }}} */

void rangey(WORD a_min,WORD a_max) /* {{{ */
{
	struct REGPACK rg;
	rg.r_cx=a_min;
	rg.r_dx=a_max;
	rg.r_ax=0x8;
	intr(0x33,&rg);
} /* }}} */

void setmousecur(WORD x,WORD y,void *p) /* {{{ */
{
	struct REGPACK rg;
	rg.r_es=FP_SEG(p);
	rg.r_dx=FP_OFF(p);
	rg.r_cx=y;rg.r_bx=x;
	rg.r_ax=0x9;
	intr(0x33,&rg);
} /* }}} */

void exclude(WORD x1,WORD y1,WORD x2,WORD y2) /* {{{ */
{
	struct REGPACK rg;
	rg.r_cx=x1;
	rg.r_dx=y1;
	rg.r_si=x2;
	rg.r_di=y2;
	rg.r_ax=0x10;
	intr(0x33,&rg);
} /* }}} */

void mousesensitive(WORD x,WORD y) /* {{{ */
{
	struct REGPACK rg;
	rg.r_cx=x;
	rg.r_dx=y;
	rg.r_ax=0xf;
	intr(0x33,&rg);
} /* }}} */

void setmousespeed(WORD speed) /* {{{ */
{
	struct REGPACK rg;
	rg.r_dx=speed;
	rg.r_ax=0x13;
	intr(0x33,&rg);
} /* }}} */

/* Modeline for ViM {{{
 * vim: set ts=4:
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 * }}} */