--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pwplib/snd-oss.c	Tue May 18 04:25:44 2010 +0300
@@ -0,0 +1,60 @@
+#include "config.h"
+
+#ifdef DRIVE_OSS
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <linux/soundcard.h>
+
+#include "pwplib.h"
+
+#define TIMERHZ 72
+
+struct{
+   int fd;
+   char buf[4096];
+   int buflgt;
+   int freq;
+}pwp_oss;
+
+extern void gb_sound(int,int,int,int);
+
+void oss_loopflush()
+{
+  for(;;)
+  {audio_buf_info bi;ioctl(pwp_oss.fd,SNDCTL_DSP_GETOSPACE,&bi);
+    if(bi.fragments==1)break;
+    pwplib.player();
+    gb_genwave(pwp_oss.buf,pwp_oss.buflgt);
+    write(pwp_oss.fd,pwp_oss.buf,pwp_oss.buflgt);
+    if(bi.fragments<3)break;
+  }
+}
+
+void oss_restore()
+{
+  close(pwp_oss.fd);
+}
+
+int oss_init()
+{
+  pwp_oss.fd=open("/dev/dsp",O_WRONLY);
+  if(pwp_oss.fd<0)return 0;
+
+  pwpwrite("* OSS sound\n");
+
+  pwp_oss.freq=8000;
+  pwp_oss.buflgt=pwp_oss.freq/TIMERHZ;
+
+  pwplib.sound=gb_sound;
+  pwplib.loopflush=oss_loopflush;
+  gb_init(pwp_oss.freq);
+
+  pwp_regdestr(oss_restore);
+
+  return 1;
+}
+#endif