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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/*
* VBMouse - DOS mouse driver resident part
* Copyright (C) 2022 Javier S. Pedro
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef DOSTSR_H
#define DOSTSR_H
#include <stdbool.h>
#include <stdint.h>
#include "int2fwin.h"
#include "int10vga.h"
// User customizable defines
/** Enable the VirtualBox integration */
#define USE_VIRTUALBOX 1
/** Enable the VMware integration */
#define USE_VMWARE 1
/** Enable the Windows 386/protected mode integration */
#define USE_WIN386 1
/** Enable the wheel. */
#define USE_WHEEL 1
/** Trace events verbosily */
#define TRACE_EVENTS 0
// End of user customizable defines
#define USE_INTEGRATION (USE_VIRTUALBOX || USE_VMWARE)
#define NUM_BUTTONS 3
#define GRAPHIC_CURSOR_WIDTH 16
#define GRAPHIC_CURSOR_HEIGHT 16
#define GRAPHIC_CURSOR_SCANLINE_LEN 2
#define GRAPHIC_CURSOR_MASK_LEN (GRAPHIC_CURSOR_HEIGHT * GRAPHIC_CURSOR_SCANLINE_LEN)
#define GRAPHIC_CURSOR_DATA_LEN (2 * GRAPHIC_CURSOR_MASK_LEN)
#define VERSION_MAJOR 0
#define VERSION_MINOR 4
#define REPORTED_VERSION_MAJOR 6
#define REPORTED_VERSION_MINOR 0x30
#if USE_VIRTUALBOX
#include "vbox.h"
#endif
struct point {
int16_t x, y;
};
typedef struct tsrdata {
// TSR installation data
/** Previous int33 ISR, storing it for uninstall. */
void (__interrupt __far *prev_int33_handler)();
#if USE_WIN386
void (__interrupt __far *prev_int2f_handler)();
#endif
/** Whether to enable & use wheel mouse. */
bool usewheel;
// Video settings
/** Information of the current video mode. */
struct modeinfo video_mode;
/** Max (virtual) coordinates of full screen in the current mode.
* Used for rendering graphic cursor, mapping absolute coordinates,
* and initializing the default min/max window. */
struct point screen_max;
/** In some modes, the virtual coordinates are larger than the
* physical screen coordinates.
* real coordinates = virtual coordinates * screen_scale. */
struct point screen_scale;
/** In text modes, we want to snap the cursor position to the cell grid.
* This stores the desired grid granularity. */
struct point screen_granularity;
// Detected mouse hardware
/** Whether the current mouse has a wheel (and support is enabled). */
bool haswheel;
// Current mouse settings
/** Mouse sensitivity/speed. */
struct point mickeysPerLine; // mickeys per 8 pixels
/** Mouse acceleration "double-speed threshold". */
uint16_t doubleSpeedThreshold; // mickeys
/** Current window min coordinates. */
struct point min;
/** Current window max coordinates. */
struct point max;
/** Current cursor visible counter. If >= 0, cursor should be shown. */
int16_t visible_count;
/** For text cursor, whether this is a software or hardware cursor. */
uint8_t cursor_text_type;
/** Masks for the text cursor. */
uint16_t cursor_text_and_mask, cursor_text_xor_mask;
/** Hotspot for the graphic cursor. */
struct point cursor_hotspot;
/** Masks for the graphic cursor. */
uint16_t cursor_graphic[GRAPHIC_CURSOR_DATA_LEN/sizeof(uint16_t)];
// Current mouse status
/** Current cursor position (in pixels). */
struct point pos;
/** Current remainder of movement that does not yet translate to an entire pixel
* (8ths of pixel). */
struct point pos_frac;
/** Current delta movement (in mickeys) since the last report. */
struct point delta;
/** Current remainder of delta movement that does not yet translate to an entire mickey
* Usually only when mickeysPerLine is not a multiple of 8. */
struct point delta_frac;
/** Last absolute position (to compute a delta for relative motion emulation). Using -1 for "none". */
struct point abs_pos;
/** Total mickeys moved in the last second. */
uint16_t total_motion;
/** Ticks when the above value was last reset. */
uint16_t last_ticks;
/** Current status of buttons (as bitfield). */
uint16_t buttons;
struct {
struct buttoncounter {
struct point last;
uint16_t count;
} pressed, released;
} button[NUM_BUTTONS];
/** Total delta movement of the wheel since the last wheel report. */
int16_t wheel_delta;
/** Last position where the wheel was moved. */
struct point wheel_last;
// Cursor information
/** Whether the cursor is currently displayed or not. */
bool cursor_visible;
/** The current position at which the cursor is displayed. */
struct point cursor_pos;
/** For text mode cursor, the character data that was displayed below the cursor. */
uint16_t cursor_prev_char;
/** For graphical mode cursor, contents of the screen that were displayed below
* the cursor before the cursor was drawn. */
uint8_t cursor_prev_graphic[GRAPHIC_CURSOR_WIDTH * GRAPHIC_CURSOR_HEIGHT];
// Current handlers
/** Address of the event handler. */
void (__far *event_handler)();
/** Events for which we should call the event handler. */
uint16_t event_mask;
#if USE_WIN386
/** Information that we pass to Windows 386 on startup. */
win386_startup_info w386_startup;
win386_instance_item w386_instance[2];
/** Whether Windows 386 is rendering the cursor for us,
* and therefore we should hide our own. */
bool w386cursor : 1;
#endif
#if USE_VIRTUALBOX
/** VirtualBox is available. */
bool vbavail : 1;
/** Want to use the VirtualBox "host" cursor. */
bool vbwantcursor : 1;
/** Have VirtualBox absolute coordinates. */
bool vbhaveabs : 1;
struct vboxcomm vb;
#endif
#if USE_VMWARE
/** VMware is available. */
bool vmwavail : 1;
#endif
} TSRDATA;
typedef TSRDATA * PTSRDATA;
typedef TSRDATA __far * LPTSRDATA;
extern void __declspec(naked) __far int33_isr(void);
extern void __declspec(naked) __far int2f_isr(void);
extern LPTSRDATA __far get_tsr_data(bool installed);
/** This symbol is always at the end of the TSR segment */
extern int resident_end;
/** This is not just data, but the entire segment. */
static inline unsigned get_resident_size(void)
{
return FP_OFF(&resident_end);
}
#endif
|
