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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