Update Nyquist to v3.09.

lib-src/libnyquist/nyquist/sys/unix/next/system.lsp

@@ -0,0 +1,37 @@
+; local definition for play
+;  this one is for NeXT:
+
+(if (not (boundp '*default-sf-format*))
+    (setf *default-sf-format* snd-head-NeXT))
+
+(if (not (boundp '*default-sound-file*))
+    (compute-default-sound-file))
+
+(if (not (boundp '*default-sf-dir*))
+    (setf *default-sf-dir* "./"))
+
+(if (not (boundp '*default-sf-mode*))
+    (setf *default-sf-mode* snd-head-mode-pcm))
+
+(if (not (boundp '*default-sf-bits*))
+    (setf *default-sf-bits* 16))
+
+(if (not (boundp '*default-plot-file*))
+    (setf *default-plot-file* "points.dat"))
+
+;; PLAY-FILE - play a sound file
+;;
+(defun play-file (name)
+  (system (strcat "sndplay " (soundfilename name))))
+
+;; R - replay last file written with PLAY
+(defun r () (play-file *default-sound-file*))
+
+;; PLAY - write value of an expression to file and play it
+;;
+(defmacro play (expr)
+  `(prog (specs)
+         (setf specs (s-save (force-srate *sound-srate* ,expr) 
+                             1000000000 *default-sound-file*))
+         (r)))
+