initial psp code, functional menu

git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@274 be3aeb3a-fb24-0410-a615-afba39da0efa

psp/mp3.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+int mp3_get_bitrate(FILE *f, int size)
+{
+	return 0;
+}
+
+void mp3_start_play(FILE *f, int pos)
+{
+}
+
+int  mp3_get_offset(void) // 0-1023
+{
+	return 0;
+}
+
+void mp3_update(int *buffer, int length, int stereo)
+{
+}
+