1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
/*
* XBIOS mouse & joystick vectors
*
* Patrice Mandin
*/
#include <mint/osbind.h>
#include "../../events/SDL_events_c.h"
#include "SDL_xbiosevents_c.h"
#include "SDL_xbiosinterrupt_s.h"
/* Variables */
int SDL_AtariXbios_enabled=0;
/* Local variables */
static _KBDVECS *kbdvecs; /* Pointer to access system vectors */
static Uint16 atari_prevmouseb; /* buttons */
/* Functions */
void SDL_AtariXbios_InstallVectors(int vectors_mask)
{
void *oldpile;
/* Clear variables */
SDL_AtariXbios_mouselock =
SDL_AtariXbios_mouseb =
SDL_AtariXbios_mousex =
SDL_AtariXbios_mousey =
SDL_AtariXbios_joystick =
atari_prevmouseb = 0;
if (vectors_mask==0) {
SDL_AtariXbios_enabled=0;
return;
}
/* Read IKBD vectors base */
kbdvecs=Kbdvbase();
/* Go to supervisor mode */
oldpile=(void *)Super(0);
/* Install our vectors */
SDL_AtariXbios_Install(
kbdvecs,
(vectors_mask & ATARI_XBIOS_MOUSEEVENTS) ? SDL_AtariXbios_MouseVector : NULL,
(vectors_mask & ATARI_XBIOS_JOYSTICKEVENTS) ? SDL_AtariXbios_JoystickVector : NULL
);
/* Back to user mode */
Super(oldpile);
SDL_AtariXbios_enabled=1;
}
void SDL_AtariXbios_RestoreVectors(void)
{
void *oldpile;
if (SDL_AtariXbios_enabled==0) {
return;
}
/* Read IKBD vectors base */
kbdvecs=Kbdvbase();
/* Go to supervisor mode */
oldpile=(void *)Super(NULL);
/* Reinstall system vector */
SDL_AtariXbios_Restore(kbdvecs);
/* Back to user mode */
Super(oldpile);
}
static int atari_GetButton(int button)
{
switch(button)
{
case 0:
return SDL_BUTTON_RIGHT;
break;
case 1:
default:
return SDL_BUTTON_LEFT;
break;
}
}
void SDL_AtariXbios_PostMouseEvents(_THIS, SDL_bool buttonEvents)
{
if (SDL_AtariXbios_enabled==0) {
return;
}
/* Mouse motion ? */
if (SDL_AtariXbios_mousex || SDL_AtariXbios_mousey) {
SDL_PrivateMouseMotion(0, 1, SDL_AtariXbios_mousex, SDL_AtariXbios_mousey);
SDL_AtariXbios_mousex = SDL_AtariXbios_mousey = 0;
}
/* Mouse button ? */
if (buttonEvents && (SDL_AtariXbios_mouseb != atari_prevmouseb)) {
int i;
for (i=0;i<2;i++) {
int curbutton, prevbutton;
curbutton = SDL_AtariXbios_mouseb & (1<<i);
prevbutton = atari_prevmouseb & (1<<i);
if (curbutton && !prevbutton) {
SDL_PrivateMouseButton(SDL_PRESSED, atari_GetButton(i), 0, 0);
}
if (!curbutton && prevbutton) {
SDL_PrivateMouseButton(SDL_RELEASED, atari_GetButton(i), 0, 0);
}
}
atari_prevmouseb = SDL_AtariXbios_mouseb;
}
}
void SDL_AtariXbios_LockMousePosition(SDL_bool lockPosition)
{
SDL_AtariXbios_mouselock = lockPosition;
}
|
