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) 1998-2002 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 /*****************************************************************************/
  42 /*                                  Definitions                              */
  43 /*****************************************************************************/
  44
  45
  46
  47 /* Error codes */
  48 #define JOY_ERR_OK              0       /* No error */
  49 #define JOY_ERR_NO_DRIVER       1       /* No driver available */
  50 #define JOY_ERR_CANNOT_LOAD     2       /* Error loading driver */
  51 #define JOY_ERR_INV_DRIVER      3       /* Invalid driver */
  52 #define JOY_ERR_NO_DEVICE       4       /* Device (hardware) not found */
  53
  54 /* Argument for the joy_read function */
  55 #define JOY_1           0
  56 #define JOY_2           1
  57
  58 /* The following codes are *indices* into the joy_masks array */
  59 #define JOY_UP          0
  60 #define JOY_DOWN        1
  61 #define JOY_LEFT        2
  62 #define JOY_RIGHT       3
  63 #define JOY_FIRE        4
  64
  65 /* Array of masks used to check the return value of joy_read for a state */
  66 extern const unsigned char joy_masks[8];
  67
  68
  69
  70 /* Result codes of the function. The actual code is a bitwise or
  71  * of one or more of the following values.
  72  */
  73 #if 0
  74 #if defined(__VIC20__)
  75 #  define JOY_UP        0x02
  76 #  define JOY_DOWN      0x04
  77 #  define JOY_LEFT      0x08
  78 #  define JOY_RIGHT     0x80
  79 #  define JOY_FIRE      0x10
  80 #else
  81 #  define JOY_UP        0x01
  82 #  define JOY_DOWN      0x02
  83 #  define JOY_LEFT      0x04
  84 #  define JOY_RIGHT     0x08
  85 #  define JOY_FIRE      0x10
  86 #endif
  87 #endif
  88
  89
  90
  91 /*****************************************************************************/
  92 /*                                 Functions                                 */
  93 /*****************************************************************************/
  94
  95
  96
  97 unsigned char __fastcall__ joy_load_driver (const char* driver);
  98 /* Load a joystick driver and return an error code */
  99
 100 unsigned char __fastcall__ joy_unload (void);
 101 /* Unload the currently loaded driver. */
 102
 103 unsigned char __fastcall__ joy_count (void);
 104 /* Return the number of joysticks supported by the driver */
 105
 106 unsigned char __fastcall__ joy_read (unsigned char joystick);
 107 /* Read a particular joystick */
 108
 109
 110
 111 /* End of joystick.h */
 112 #endif
 113
 114
 115