diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/ataricommon/SDL_xbiosinterrupt.S')
-rw-r--r-- | apps/plugins/sdl/src/video/ataricommon/SDL_xbiosinterrupt.S | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/apps/plugins/sdl/src/video/ataricommon/SDL_xbiosinterrupt.S b/apps/plugins/sdl/src/video/ataricommon/SDL_xbiosinterrupt.S deleted file mode 100644 index 3fc1a60ada..0000000000 --- a/apps/plugins/sdl/src/video/ataricommon/SDL_xbiosinterrupt.S +++ /dev/null | |||
@@ -1,212 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | |||
23 | /* | ||
24 | * XBIOS mouse & joystick vectors | ||
25 | * | ||
26 | * Patrice Mandin | ||
27 | */ | ||
28 | |||
29 | .text | ||
30 | |||
31 | .globl _SDL_AtariXbios_Install | ||
32 | .globl _SDL_AtariXbios_Restore | ||
33 | .globl _SDL_AtariXbios_MouseVector | ||
34 | .globl _SDL_AtariXbios_JoystickVector | ||
35 | |||
36 | .globl _SDL_AtariXbios_mouselock | ||
37 | .globl _SDL_AtariXbios_mouseb | ||
38 | .globl _SDL_AtariXbios_mousex | ||
39 | .globl _SDL_AtariXbios_mousey | ||
40 | .globl _SDL_AtariXbios_joystick | ||
41 | |||
42 | /*--- Vector installer ---*/ | ||
43 | |||
44 | _SDL_AtariXbios_Install: | ||
45 | movel sp@(4),a0 | ||
46 | |||
47 | /* Stop interrupts */ | ||
48 | |||
49 | movew #0x2700,sr | ||
50 | |||
51 | /* Save old mouse vector, set our routine */ | ||
52 | |||
53 | clrl oldmousevector | ||
54 | movel sp@(8),d0 | ||
55 | beqs no_new_mouse_vector | ||
56 | #if defined(__mcoldfire__) | ||
57 | movel a0@(16),d1 | ||
58 | movel d1,oldmousevector | ||
59 | #else | ||
60 | movel a0@(16),oldmousevector | ||
61 | #endif | ||
62 | movel d0,a0@(16) | ||
63 | no_new_mouse_vector: | ||
64 | |||
65 | /* Save old joystick vector, set our routine */ | ||
66 | |||
67 | clrl oldjoystickvector | ||
68 | movel sp@(12),d0 | ||
69 | beqs no_new_joystick_vector | ||
70 | #if defined(__mcoldfire__) | ||
71 | movel a0@(24),d1 | ||
72 | movel d1,oldjoystickvector | ||
73 | #else | ||
74 | movel a0@(24),oldjoystickvector | ||
75 | #endif | ||
76 | movel d0,a0@(24) | ||
77 | no_new_joystick_vector: | ||
78 | |||
79 | /* Restart interrupts */ | ||
80 | |||
81 | movew #0x2300,sr | ||
82 | |||
83 | rts | ||
84 | |||
85 | /*--- Vector restorer ---*/ | ||
86 | |||
87 | _SDL_AtariXbios_Restore: | ||
88 | movel sp@(4),a0 | ||
89 | |||
90 | /* Stop interrupts */ | ||
91 | |||
92 | movew #0x2700,sr | ||
93 | |||
94 | /* Restore mouse vector */ | ||
95 | |||
96 | movel oldmousevector,d0 | ||
97 | beqs no_restore_mouse | ||
98 | movel d0,a0@(16) | ||
99 | no_restore_mouse: | ||
100 | |||
101 | /* Restore joystick vector */ | ||
102 | |||
103 | movel oldjoystickvector,d0 | ||
104 | beqs no_restore_joystick | ||
105 | movel d0,a0@(24) | ||
106 | no_restore_joystick: | ||
107 | |||
108 | /* Restart interrupts */ | ||
109 | |||
110 | movew #0x2300,sr | ||
111 | |||
112 | rts | ||
113 | |||
114 | /*--- Our mouse vector ---*/ | ||
115 | |||
116 | .text | ||
117 | .even | ||
118 | .ascii "XBRA" | ||
119 | .ascii "LSDL" | ||
120 | .comm oldmousevector,4*1 | ||
121 | _SDL_AtariXbios_MouseVector: | ||
122 | #if defined(__mcoldfire__) | ||
123 | lea sp@(-8),sp | ||
124 | moveml d0-d1,sp@ | ||
125 | #else | ||
126 | movel d0,sp@- | ||
127 | #endif | ||
128 | |||
129 | /* Mouse buttons */ | ||
130 | moveb (a0),d0 | ||
131 | #if defined(__mcoldfire__) | ||
132 | andl #3,d0 | ||
133 | #else | ||
134 | andw #3,d0 | ||
135 | #endif | ||
136 | movew d0,_SDL_AtariXbios_mouseb | ||
137 | |||
138 | /* X movement */ | ||
139 | moveb a0@(1),d0 | ||
140 | extw d0 | ||
141 | #if defined(__mcoldfire__) | ||
142 | movew _SDL_AtariXbios_mousex,d1 | ||
143 | addl d1,d0 | ||
144 | movew d0,_SDL_AtariXbios_mousex | ||
145 | #else | ||
146 | addw d0,_SDL_AtariXbios_mousex | ||
147 | #endif | ||
148 | |||
149 | /* Y movement */ | ||
150 | moveb a0@(2),d0 | ||
151 | extw d0 | ||
152 | #if defined(__mcoldfire__) | ||
153 | movew _SDL_AtariXbios_mousey,d1 | ||
154 | addl d1,d0 | ||
155 | movew d0,_SDL_AtariXbios_mousey | ||
156 | #else | ||
157 | addw d0,_SDL_AtariXbios_mousey | ||
158 | #endif | ||
159 | |||
160 | /* Lock mouse position ? */ | ||
161 | tstw _SDL_AtariXbios_mouselock | ||
162 | beq.s no_mouse_lock | ||
163 | clrb a0@(1) | ||
164 | clrb a0@(2) | ||
165 | no_mouse_lock: | ||
166 | |||
167 | /* Jump through old vector */ | ||
168 | #if defined(__mcoldfire__) | ||
169 | moveml sp@,d0-d1 | ||
170 | lea sp@(8),sp | ||
171 | #else | ||
172 | movel sp@+,d0 | ||
173 | #endif | ||
174 | |||
175 | movel oldmousevector,sp@- | ||
176 | rts | ||
177 | |||
178 | .data | ||
179 | .even | ||
180 | .comm _SDL_AtariXbios_mouselock,2*1 | ||
181 | .comm _SDL_AtariXbios_mousex,2*1 | ||
182 | .comm _SDL_AtariXbios_mousey,2*1 | ||
183 | .comm _SDL_AtariXbios_mouseb,2*1 | ||
184 | |||
185 | /*--- Our joystick vector ---*/ | ||
186 | |||
187 | .text | ||
188 | .even | ||
189 | .ascii "XBRA" | ||
190 | .ascii "LSDL" | ||
191 | .comm oldjoystickvector,4*1 | ||
192 | _SDL_AtariXbios_JoystickVector: | ||
193 | movel d0,sp@- | ||
194 | |||
195 | /* New joystick state */ | ||
196 | moveb a0@(2),d0 | ||
197 | #if defined(__mcoldfire__) | ||
198 | andl #0x8f,d0 | ||
199 | #else | ||
200 | andw #0x8f,d0 | ||
201 | #endif | ||
202 | movew d0,_SDL_AtariXbios_joystick | ||
203 | |||
204 | /* Jump through old vector */ | ||
205 | movel sp@+,d0 | ||
206 | |||
207 | movel oldjoystickvector,sp@- | ||
208 | rts | ||
209 | |||
210 | .data | ||
211 | .even | ||
212 | .comm _SDL_AtariXbios_joystick,2*1 | ||