git.sur5r.net Git - cc65/blob - include/joystick.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                joystick.h                                 */
   4 /*                                                                           */
   5 /*               Read the joystick on systems that support it                */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998-2000 Ullrich von Bassewitz                                       */
  10 /*               Wacholderweg 14                                             */
  11 /*               D-70597 Stuttgart                                           */
  12 /* EMail:        uz@musoftware.de                                            */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #ifndef _JOYSTICK_H
  37 #define _JOYSTICK_H
  38
  39
  40
  41 /* Define __JOYSTICK__ for systems that support a joystick */
  42 #if defined(__ATARI__) || defined(__C64__) || defined(__C128__) || defined(__PLUS4__)
  43 #  define __JOYSTICK__
  44 #endif
  45
  46 /* Argument for the function */
  47 #define JOY_1           0
  48 #define JOY_2           1
  49
  50 /* Result codes of the function. The actual code is a bitwise or
  51  * of one or more of the following values.
  52  */
  53 #define JOY_UP          0x01
  54 #define JOY_DOWN        0x02
  55 #define JOY_LEFT        0x04
  56 #define JOY_RIGHT       0x08
  57 #define JOY_FIRE        0x10
  58
  59
  60
  61 unsigned __fastcall__ readjoy (unsigned char joy);
  62 /* Read the joystick. The argument is one of JOY_1/JOY2 */
  63
  64
  65
  66 /* End of joystick.h */
  67 #endif
  68
  69
  70