--- previous/src/includes/snd.h	2018/04/24 19:30:38	1.1
+++ previous/src/includes/snd.h	2018/04/24 19:32:22	1.1.1.2
@@ -1,14 +1,18 @@
-void SND_IO_Handler(void);
+#define AUDIO_OUT_FREQUENCY  44100            /* Sound playback frequency */
+#define AUDIO_IN_FREQUENCY   8012             /* Sound recording frequency */
+#define AUDIO_BUFFER_SAMPLES 512
+
+void SND_Out_Handler(void);
+void SND_In_Handler(void);
 void Sound_Reset(void);
+void Sound_Pause(bool pause);
+
+Uint8 snd_make_ulaw(Sint16 sample);
 
-void sndout_queue_poll(Uint8 *buf, int len);
 void snd_start_output(Uint8 mode);
 void snd_stop_output(void);
+void snd_start_input(Uint8 mode);
+void snd_stop_input(void);
+bool snd_output_active(void);
+bool snd_input_active(void);
 void snd_gpo_access(Uint8 data);
-
-
-struct {
-    Uint8 data[4096];
-    Uint32 size;
-    Uint32 limit;
-} snd_buffer;