projects
/
super-star-trek.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
SERGEEV dependencies cleaned out of battle.c
[super-star-trek.git]
/
sstlinux.c
1
#include <sys/types.h>
2
#include <fcntl.h>
3
#include <sys/ioctl.h>
4
#include <linux/kd.h>
5
6
#include "sstlinux.h"
7
8
static int fd = 0;
9
10
void sound(unsigned int freq)
11
{
12
if(fd==0) fd=open("/dev/console", O_RDONLY);
13
if(fd>0) ioctl(fd, KDMKTONE, 1193180/freq + (0xFFFF<<16));
14
}
15
16
void nosound(void)
17
{
18
if(fd>0) ioctl(fd, KDMKTONE, 0);
19
}