1 files changed, 92 insertions, 0 deletions
diff --git a/src/tab16write~.c b/src/tab16write~.c
new file mode 100644
index 0000000..2a41f2f
--- /dev/null
+++ b/src/tab16write~.c
@@ -0,0 +1,92 @@
+/* copyleft (c) 2003 forum::für::umläute -- IOhannes m zmölnig @ IEM
+ * based on d_array.c from pd:
+ * Copyright (c) 1997-1999 Miller Puckette and others.
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+/* tab16write~, tab16play~, tab16read~, tab16read4~, tab16send~, tab16receive~ */
+
+#include "iem16_table.h"
+
+/* ------------------------- tab16write~ -------------------------- */
+
+static t_class *tab16write_tilde_class;
+
+typedef struct _tab16write_tilde {
+  t_object x_obj;
+  int x_phase;
+  int x_nsampsintab;
+  short *x_vec;
+  t_symbol *x_arrayname;
+  float x_f;
+} t_tab16write_tilde;
+
+static void *tab16write_tilde_new(t_symbol *s) {
+  t_tab16write_tilde *x = (t_tab16write_tilde *)pd_new(tab16write_tilde_class);
+  x->x_phase = 0x7fffffff;
+  x->x_arrayname = s;
+  x->x_f = 0;
+  return (x);
+}
+
+static t_int *tab16write_tilde_perform(t_int *w) {
+  t_tab16write_tilde *x = (t_tab16write_tilde *)(w[1]);
+  t_float *in = (t_float *)(w[2]);
+  int n = (int)(w[3]), phase = x->x_phase, endphase = x->x_nsampsintab;
+  if (!x->x_vec) goto bad;
+    
+  if (endphase > phase)    {
+    int nxfer = endphase - phase;
+    t_iem16_16bit *fp = x->x_vec + phase;
+    if (nxfer > n) nxfer = n;
+    phase += nxfer;
+    while (nxfer--)*fp++ = *in++*IEM16_SCALE_UP;
+    x->x_phase = phase;
+  }
+ bad:
+  return (w+4);
+}
+
+void tab16write_tilde_set(t_tab16write_tilde *x, t_symbol *s){
+  t_table16 *a;
+
+  x->x_arrayname = s;
+  if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class)))    {
+    if (*s->s_name) pd_error(x, "tab16write~: %s: no such array",
+			     x->x_arrayname->s_name);
+    x->x_vec = 0;
+  }
+  else if (!table16_getarray16(a, &x->x_nsampsintab, &x->x_vec))    {
+    error("%s: bad template for tab16write~", x->x_arrayname->s_name);
+    x->x_vec = 0;
+  }
+  else table16_usedindsp(a);
+}
+
+static void tab16write_tilde_dsp(t_tab16write_tilde *x, t_signal **sp){
+  tab16write_tilde_set(x, x->x_arrayname);
+  dsp_add(tab16write_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+static void tab16write_tilde_bang(t_tab16write_tilde *x){
+  x->x_phase = 0;
+}
+
+static void tab16write_tilde_stop(t_tab16write_tilde *x){}
+
+static void tab16write_tilde_free(t_tab16write_tilde *x){}
+
+void tab16write_tilde_setup(void){
+  tab16write_tilde_class = class_new(gensym("tab16write~"),
+				     (t_newmethod)tab16write_tilde_new, (t_method)tab16write_tilde_free,
+				     sizeof(t_tab16write_tilde), 0, A_DEFSYM, 0);
+  CLASS_MAINSIGNALIN(tab16write_tilde_class, t_tab16write_tilde, x_f);
+  class_addmethod(tab16write_tilde_class, (t_method)tab16write_tilde_dsp,
+		  gensym("dsp"), 0);
+  class_addmethod(tab16write_tilde_class, (t_method)tab16write_tilde_set,
+		  gensym("set"), A_SYMBOL, 0);
+  class_addmethod(tab16write_tilde_class, (t_method)tab16write_tilde_stop,
+		  gensym("stop"), 0);
+  class_addbang(tab16write_tilde_class, tab16write_tilde_bang);
+}
+