X-Git-Url: https://jxself.org/git/?p=super-star-trek.git;a=blobdiff_plain;f=historic%2Fc-version%2Fsrc%2Fsstlinux.c;fp=historic%2Fc-version%2Fsrc%2Fsstlinux.c;h=422c30593a1e5df6e88e4bfbccd0b2b2f0252933;hp=0000000000000000000000000000000000000000;hb=92e5cab2949160324146ae563bbd88af865beeda;hpb=b10de966829aea9fc9f8aa04522725d8434e2d36

diff --git a/historic/c-version/src/sstlinux.c b/historic/c-version/src/sstlinux.c
new file mode 100644
index 0000000..422c305
--- /dev/null
+++ b/historic/c-version/src/sstlinux.c
@@ -0,0 +1,30 @@
+#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
+}