projects
/
super-star-trek.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
b93084289fa64fd1d783a1fffde431229450168a
[super-star-trek.git]
/
sstlinux.c
1
#include <stdarg.h>
2
#include <ncurses/ncurses.h>
3
4
#include <sys/types.h>
5
#include <fcntl.h>
6
#include <sys/ioctl.h>
7
#include <linux/kd.h>
8
9
#include "sstlinux.h"
10
11
static int fd = 0;
12
13
void sound(unsigned int freq)
14
{
15
if(fd==0) fd=open("/dev/console", O_RDONLY);
16
if(fd>0) ioctl(fd, KDMKTONE, 1193180/freq + (0xFFFF<<16));
17
}
18
19
void nosound(void)
20
{
21
if(fd>0) ioctl(fd, KDMKTONE, 0);
22
}