joystick.h

game duke3d source

//-------------------------------------------------------------------------
/*
Copyright (C) 1996, 2003 - 3D Realms Entertainment

This file is NOT part of Duke Nukem 3D version 1.5 - Atomic Edition
However, it is either an older version of a file that is, or is
some test code written during the development of Duke Nukem 3D.
This file is provided purely for educational interest.

Duke Nukem 3D is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
*/
//-------------------------------------------------------------------------

#ifndef _joystick_public
#define _joystick_public
#ifdef __cplusplus
extern "C" {
#endif

//***************************************************************************
//
// Public header for JOYSTICK.ASM.
//
//***************************************************************************

extern int32 Joy_x1;
extern int32 Joy_y1;
extern int32 Joy_x2;
extern int32 Joy_y2;
extern byte  Joy_mask;

void JoyStick_Vals( void );
#if defined(__FLAT__) || defined(__NT__)
#pragma aux JoyStick_Vals modify exact [eax ebx ecx edx esi edi]
#endif

#define JOYSTICK_GetPos( x1, y1, x2, y2 ) \
   { \
   JoyStick_Vals(); \
   *( x1 ) = Joy_x1; \
   *( y1 ) = Joy_y1; \
   *( x2 ) = Joy_x2; \
   *( y2 ) = Joy_y2; \
   }


#ifdef __cplusplus
};
#endif
#endif