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
|
/* by: Dan Kozak */
#include <stdio.h>
#ifdef __TURBOC__
#define _far far
#endif
typedef struct /* Keyboard status structure */
{
unsigned int
right_shift_down : 1, /* Right Shift key depressed */
left_shift_down : 1, /* Left Shift key depressed */
ctrl_shift_down : 1, /* Ctrl key depressed */
alt_shift_down : 1, /* Alt key depressed */
scroll_on : 1, /* Scroll Lock is on */
num_on : 1, /* Num Lock is on */
caps_on : 1, /* Caps Lock is on */
ins_on : 1, /* Insert state is active */
filler : 3, /* Filler for word alignment */
ctrl_numloc : 1, /* Suspend key is on */
scroll_down : 1, /* Scroll Lock key depressed */
num_down : 1, /* Num Lock key depressed */
caps_down : 1, /* Caps Lock key depressed */
ins_down : 1; /* Insert key depressed */
} biosshiftstate;
biosshiftstate _far *kbd_status = (biosshiftstate _far *) 0x00000417L;
main()
{
while(1)
{
printf("right_shift_down = %d\n",kbd_status->right_shift_down);
printf("left_shift_down = %d\n",kbd_status->left_shift_down);
printf("ctrl_shift_down = %d\n",kbd_status->ctrl_shift_down);
printf("alt_shift_down = %d\n",kbd_status->alt_shift_down);
printf("scroll_on = %d\n",kbd_status->scroll_on);
printf("num_on = %d\n",kbd_status->num_on);
printf("caps_on = %d\n",kbd_status->caps_on);
printf("ins_on = %d\n",kbd_status->ins_on);
printf("filler = %d\n",kbd_status->filler);
printf("ctrl_numloc = %d\n",kbd_status->ctrl_numloc);
printf("scroll_down = %d\n",kbd_status->scroll_down);
printf("num_down = %d\n",kbd_status->num_down);
printf("caps_down = %d\n",kbd_status->caps_down);
printf("ins_down = %d\n",kbd_status->ins_down);
}
return 0;
}
|