1 files changed, 66 insertions, 0 deletions
diff --git a/cyclone/sickle/bitnot.c b/cyclone/sickle/bitnot.c
new file mode 100644
index 0000000..c2929e8
--- /dev/null
+++ b/cyclone/sickle/bitnot.c
@@ -0,0 +1,66 @@
+/* Copyright (c) 2002-2003 krzYszcz and others.
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+#include "m_pd.h"
+#include "sickle/sic.h"
+
+typedef struct _bitnot
+{
+    t_sic  x_sic;
+    int    x_convert1;
+} t_bitnot;
+
+static t_class *bitnot_class;
+
+static t_int *bitnot_perform(t_int *w)
+{
+    t_bitnot *x = (t_bitnot *)(w[1]);
+    int nblock = (int)(w[2]);
+    t_float *in = (t_float *)(w[3]);
+    t_float *out = (t_float *)(w[4]);
+    /* LATER think about performance */
+    if (x->x_convert1) while (nblock--)
+    {
+	/* CHECKME */
+	t_int i = ~((t_int)*in++);
+	*out++ = (t_float)i;
+    }
+    else while (nblock--)
+    {
+	/* CHECKME */
+	t_int i = ~(*(t_int *)(t_float *)in++);
+	*out++ = *(t_float *)&i;
+    }
+    return (w + 5);
+}
+
+static void bitnot_dsp(t_bitnot *x, t_signal **sp)
+{
+    dsp_add(bitnot_perform, 4, x, sp[0]->s_n, sp[0]->s_vec, sp[1]->s_vec);
+}
+
+static void bitnot_mode(t_bitnot *x, t_floatarg f)
+{
+    int i = (int)f;
+    x->x_convert1 = (i > 0);  /* CHECKME */
+}
+
+static void *bitnot_new(t_floatarg f)
+{
+    t_bitnot *x = (t_bitnot *)pd_new(bitnot_class);
+    outlet_new((t_object *)x, &s_signal);
+    bitnot_mode(x, f);
+    return (x);
+}
+
+void bitnot_tilde_setup(void)
+{
+    bitnot_class = class_new(gensym("bitnot~"),
+			     (t_newmethod)bitnot_new, 0,
+			     sizeof(t_bitnot), 0,
+			     A_DEFFLOAT, 0);
+    sic_setup(bitnot_class, bitnot_dsp, SIC_FLOATTOSIGNAL);
+    class_addmethod(bitnot_class, (t_method)bitnot_mode,
+		    gensym("mode"), A_FLOAT, 0);
+}