X-Git-Url: https://jxself.org/git/?p=super-star-trek.git;a=blobdiff_plain;f=src%2Fsstlinux.c;fp=src%2Fsstlinux.c;h=3c2ebbeb78fd5f48cb1d5d63933c481d8e8fc13b;hp=0000000000000000000000000000000000000000;hb=e535e2ef833a03ec84d0f002d684c07ddde893f1;hpb=6faaa79dff2fa3ceec44ef46b79e651f1bd9e0aa

diff --git a/src/sstlinux.c b/src/sstlinux.c
new file mode 100644
index 0000000..3c2ebbe
--- /dev/null
+++ b/src/sstlinux.c
@@ -0,0 +1,27 @@
+#include "config.h"
+#include "sstlinux.h"
+
+#ifdef HAVE_LINUX_KD_H
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/kd.h>
+
+static int fd = 0;
+#endif
+
+void sound(unsigned int freq)
+{
+#ifdef HAVE_LINUX_KD_H
+    if(fd==0) fd=open("/dev/console", O_RDONLY);
+    if(fd>0) ioctl(fd, KDMKTONE, 1193180/freq + (0xFFFF<<16));
+#endif
+}
+
+void nosound(void)
+{
+#ifdef HAVE_LINUX_KD_H
+    if(fd>0) ioctl(fd, KDMKTONE, 0);
+#endif
+}