git.sur5r.net Git - cc65/blob - asminc/joy-kernel.inc

   1 ;/*****************************************************************************/
   2 ;/*                                                                           */
   3 ;/*                              joy-kernel.inc                               */
   4 ;/*                                                                           */
   5 ;/*                    Internally used joystick functions                     */
   6 ;/*                                                                           */
   7 ;/*                                                                           */
   8 ;/*                                                                           */
   9 ;/* (C) 2002-2006, Ullrich von Bassewitz                                      */
  10 ;/*                Römerstraße 52                                             */
  11 ;/*                D-70794 Filderstadt                                        */
  12 ;/* EMail:         uz@cc65.org                                                */
  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
  37
  38
  39 ;------------------------------------------------------------------------------
  40 ; Driver header stuff
  41
  42 .struct JOY_HDR
  43         ID      .byte   3       ; $6A, $6F, $79 ("joy")
  44         VERSION .byte   1       ; Interface version
  45         LIBREF  .addr           ; Library reference
  46         JUMPTAB .struct
  47             INSTALL     .addr   ; INSTALL routine
  48             UNINSTALL   .addr   ; UNINSTALL routine
  49             COUNT       .addr   ; COUNT routine
  50             READ        .addr   ; READ routine
  51         .endstruct
  52 .endstruct
  53
  54 ;------------------------------------------------------------------------------
  55 ; The JOY API version, stored in JOY_HDR::VERSION
  56
  57 JOY_API_VERSION         = $05
  58
  59 ;------------------------------------------------------------------------------
  60 ; Variables
  61
  62         .global _joy_drv                        ; Pointer to driver
  63         .global _joy_masks
  64
  65 ;------------------------------------------------------------------------------
  66 ; Driver entry points
  67
  68         .global joy_install
  69         .global joy_uninstall
  70         .global joy_count
  71         .global joy_read
  72
  73 ;------------------------------------------------------------------------------
  74 ; C callable functions
  75
  76         .global _joy_load_driver
  77         .global _joy_unload
  78         .global _joy_install
  79         .global _joy_uninstall
  80         .global _joy_count
  81         .global _joy_read
  82
  83         .global _joy_clear_ptr