Mercurial > sdl-ios-xcode

annotate src/video/ataricommon/SDL_xbiosinterrupt.S @ 1050:8e1815fd9777

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Holding down shift while moving the mouse's scrollwheel on MacOS X makes the OS report these are "horizontal scrollwheel" events, which confuses gaming apps in several legitimate conditions. Now all scrollwheel events are made to look vertical when passed to the app. Patch by John Knottenbelt. http://www.libsdl.org/pipermail/sdl/2005-March/067978.html
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 17 Apr 2005 10:32:41 +0000
parents d9f3b5bb7870
children 0fb50bfaea7f
rev   line source
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6 modify it under the terms of the GNU Library General Public
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8 version 2 of the License, or (at your option) any later version.
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
13 Library General Public License for more details.
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
15 You should have received a copy of the GNU Library General Public
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
16 License along with this library; if not, write to the Free
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 Sam Lantinga
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
20 slouken@libsdl.org
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
21 */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
22
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23 #ifdef SAVE_RCSID
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
24 static char rcsid =
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
25 "@(#) $Id$";
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
26 #endif
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
27
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
28 /*
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
29 * XBIOS mouse & joystick vectors
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
30 *
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
31 * Patrice Mandin
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
32 */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
33
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34 .text
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
35
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
36 .globl _SDL_AtariXbios_Install
820
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
37 .globl _SDL_AtariXbios_Restore
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
38 .globl _SDL_AtariXbios_MouseVector
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
39 .globl _SDL_AtariXbios_JoystickVector
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
40
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
41 .globl _SDL_AtariXbios_mouseb
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
42 .globl _SDL_AtariXbios_mousex
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
43 .globl _SDL_AtariXbios_mousey
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
44 .globl _SDL_AtariXbios_joystick
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
45
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
46 /*--- Vector installer ---*/
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
47
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
48 _SDL_AtariXbios_Install:
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
49 movel sp@(4),a0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
50
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
51 /* Stop interrupts */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
52
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
53 movew #0x2700,sr
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
54
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
55 /* Save old mouse vector, set our routine */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
56
820
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
57 clrl oldmousevector
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
58 movel sp@(8),d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
59 beqs no_new_mouse_vector
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
60 movel a0@(16),oldmousevector
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
61 movel d0,a0@(16)
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
62 no_new_mouse_vector:
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
63
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
64 /* Save old joystick vector, set our routine */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
65
820
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
66 clrl oldjoystickvector
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
67 movel sp@(12),d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
68 beqs no_new_joystick_vector
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
69 movel a0@(24),oldjoystickvector
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
70 movel d0,a0@(24)
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
71 no_new_joystick_vector:
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
72
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
73 /* Restart interrupts */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
74
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
75 movew #0x2300,sr
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
76
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
77 rts
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
78
820
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
79 /*--- Vector restorer ---*/
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
80
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
81 _SDL_AtariXbios_Restore:
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
82 movel sp@(4),a0
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
83
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
84 /* Stop interrupts */
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
85
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
86 movew #0x2700,sr
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
87
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
88 /* Restore mouse vector */
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
89
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
90 movel oldmousevector,d0
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
91 beqs no_restore_mouse
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
92 movel d0,a0@(16)
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
93 no_restore_mouse:
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
94
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
95 /* Restore joystick vector */
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
96
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
97 movel oldjoystickvector,d0
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
98 beqs no_restore_joystick
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
99 movel d0,a0@(24)
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
100 no_restore_joystick:
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
101
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
102 /* Restart interrupts */
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
103
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
104 movew #0x2300,sr
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
105
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
106 rts
0b9b4bf3c1e7 Important crash fix: system vectors for mouse/joystick were not restored
Patrice Mandin <patmandin@gmail.com>
parents: 305
diff changeset
107
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
108 /*--- Our mouse vector ---*/
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
109
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
110 .text
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
111 .even
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
112 .ascii "XBRA"
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
113 .ascii "LSDL"
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
114 .comm oldmousevector,4*1
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
115 _SDL_AtariXbios_MouseVector:
987
d9f3b5bb7870 Do not use registers when not necessary
Patrice Mandin <patmandin@gmail.com>
parents: 820
diff changeset
116 movel d0,sp@-
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
117
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
118 /* Mouse buttons */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
119 moveb (a0),d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
120 andw #3,d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
121 movew d0,_SDL_AtariXbios_mouseb
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
122
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
123 /* X movement */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
124 moveb a0@(1),d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
125 extw d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
126 addw d0,_SDL_AtariXbios_mousex
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
127
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
128 /* Y movement */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
129 moveb a0@(2),d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
130 extw d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
131 addw d0,_SDL_AtariXbios_mousey
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
132
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
133 /* Jump through old vector */
987
d9f3b5bb7870 Do not use registers when not necessary
Patrice Mandin <patmandin@gmail.com>
parents: 820
diff changeset
134 movel sp@+,d0
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
135
987
d9f3b5bb7870 Do not use registers when not necessary
Patrice Mandin <patmandin@gmail.com>
parents: 820
diff changeset
136 movel oldmousevector,sp@-
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 rts
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 .data
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 .even
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 .comm _SDL_AtariXbios_mousex,2*1
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 .even
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 .comm _SDL_AtariXbios_mousey,2*1
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 .even
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 .comm _SDL_AtariXbios_mouseb,2*1
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 /*--- Our joystick vector ---*/
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 .text
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 .even
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 .ascii "XBRA"
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 .ascii "LSDL"
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 .comm oldjoystickvector,4*1
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 _SDL_AtariXbios_JoystickVector:
987
d9f3b5bb7870 Do not use registers when not necessary
Patrice Mandin <patmandin@gmail.com>
parents: 820
diff changeset
155 movel d0,sp@-
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 /* New joystick state */
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 moveb a0@(1),d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 andw #0x8f,d0
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 movew d0,_SDL_AtariXbios_joystick
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 /* Jump through old vector */
987
d9f3b5bb7870 Do not use registers when not necessary
Patrice Mandin <patmandin@gmail.com>
parents: 820
diff changeset
163 movel sp@+,d0
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164
987
d9f3b5bb7870 Do not use registers when not necessary
Patrice Mandin <patmandin@gmail.com>
parents: 820
diff changeset
165 movel oldjoystickvector,sp@-
305
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 rts
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 .data
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 .even
9c6613983e85 Atari port cleanups from Patrice
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 .comm _SDL_AtariXbios_joystick,2*1