1 files changed, 102 insertions, 0 deletions
diff --git a/cmos/cd4023.c b/cmos/cd4023.c
new file mode 100755
index 0000000..ff60255
--- /dev/null
+++ b/cmos/cd4023.c
@@ -0,0 +1,102 @@
+/* cd4023.c MP 20070312 */
+/* Emulate a cd4023b */
+#include "m_pd.h"
+
+typedef struct _cd4023
+{
+    t_object        x_obj;
+    t_int           x_in1;
+    t_int           x_in2;
+    t_int           x_in3;
+    t_outlet        *x_out;
+    t_inlet         *x_inlet2;/* Second inlet is 'live' like the first */
+    t_inlet         *x_inlet3;/* Third inlet is 'live' like the first */
+} t_cd4023;
+
+static t_class *cd4023_class;
+
+void cd4023_setup(void);
+static void *cd4023_new(t_symbol *s, int argc, t_atom *argv);
+static void cd4023_free(t_cd4023 *x);
+static void cd4023_bang(t_cd4023 *x);
+static void cd4023_float(t_cd4023 *x, t_float f);
+static void cd4023_inlet2(t_cd4023 *x, t_float f);
+static void cd4023_inlet3(t_cd4023 *x, t_float f);
+static void cd4023_update_outlets(t_cd4023 *x);
+
+static void cd4023_float(t_cd4023 *x, t_float f)
+{
+    if (f == 1) x->x_in1 = 1;
+    else if (f == 0) x->x_in1 = 0;
+    else
+    {
+        post("cd4023 inlet 2 accepts 1 or 0.");
+        return;
+    }
+    cd4023_update_outlets(x);
+}
+
+static void cd4023_bang(t_cd4023 *x)
+{
+    cd4023_update_outlets(x);
+}
+
+static void cd4023_inlet2(t_cd4023 *x, t_float f)
+{
+    if (f == 1) x->x_in2 = 1;
+    else if (f == 0) x->x_in2 = 0;
+    else
+    {
+        post("cd4023 inlet 2 accepts 1 or 0.");
+        return;
+    }
+    cd4023_update_outlets(x);
+}
+
+static void cd4023_inlet3(t_cd4023 *x, t_float f)
+{
+    if (f == 1) x->x_in3 = 1;
+    else if (f == 0) x->x_in3 = 0;
+    else
+    {
+        post("cd4023 inlet 3 accepts 1 or 0.");
+        return;
+    }
+    cd4023_update_outlets(x);
+}
+
+static void cd4023_update_outlets(t_cd4023 *x)
+{ /* Triple NAND function */
+    outlet_float(x->x_out, ((x->x_in1 + x->x_in2 + x->x_in3) == 3)?0:1);
+}
+
+static void cd4023_free(t_cd4023 *x)
+{
+    return;
+}
+
+static void *cd4023_new(t_symbol *s, int argc, t_atom *argv)
+{
+    t_cd4023           *x;
+
+    x = (t_cd4023 *)pd_new(cd4023_class);
+    if (x == NULL) return (x);
+    x->x_out = outlet_new((t_object *)x, &s_float);
+    x->x_inlet2 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("inlet2"));
+    x->x_inlet3 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("inlet3"));
+    return (x);
+}
+
+void cd4023_setup(void)
+{
+    cd4023_class = class_new(gensym("cd4023"),
+                    (t_newmethod)cd4023_new,
+                    (t_method)cd4023_free,
+                    sizeof(t_cd4023), 0, 0); /* no arguments */
+    class_addbang(cd4023_class, cd4023_bang);
+    class_addfloat(cd4023_class, cd4023_float);
+    class_addmethod(cd4023_class, (t_method)cd4023_inlet2, gensym("inlet2"), A_FLOAT, 0);
+    class_addmethod(cd4023_class, (t_method)cd4023_inlet3, gensym("inlet3"), A_FLOAT, 0);
+}
+/* end cd4023.c */
+