CMOS digital logic emulation objects

svn path=/trunk/externals/mrpeach/; revision=7509

1 files changed, 212 insertions, 0 deletions

diff --git a/cmos/cd4008.c b/cmos/cd4008.c
new file mode 100755
index 0000000..06fbe47
--- /dev/null
+++ b/cmos/cd4008.c
@@ -0,0 +1,212 @@
+/* cd4008.c MP 20070315 */
+/* Emulate a cd4008b */
+#include "m_pd.h"
+
+typedef struct _cd4008
+{
+    t_object        x_obj;
+    t_int           x_A1;
+    t_int           x_A2;
+    t_int           x_A3;
+    t_int           x_A4;
+    t_int           x_B1;
+    t_int           x_B2;
+    t_int           x_B3;
+    t_int           x_B4;
+    t_int           x_CarryIn;
+    t_outlet        *x_outS1;
+    t_outlet        *x_outS2;
+    t_outlet        *x_outS3;
+    t_outlet        *x_outS4;
+    t_outlet        *x_outC;
+    t_inlet         *x_inA1;/* extra inlets are 'live' like the first */
+    t_inlet         *x_inA2;
+    t_inlet         *x_inA3;
+    t_inlet         *x_inA4;
+    t_inlet         *x_inB1;
+    t_inlet         *x_inB2;
+    t_inlet         *x_inB3;
+    t_inlet         *x_inB4;
+} t_cd4008;
+
+static t_class *cd4008_class;
+
+void cd4008_setup(void);
+static void *cd4008_new(t_symbol *s, int argc, t_atom *argv);
+static void cd4008_free(t_cd4008 *x);
+static void cd4008_float(t_cd4008 *x, t_float f);
+static void cd4008_inA1(t_cd4008 *x, t_float f);
+static void cd4008_inA2(t_cd4008 *x, t_float f);
+static void cd4008_inA3(t_cd4008 *x, t_float f);
+static void cd4008_inA4(t_cd4008 *x, t_float f);
+static void cd4008_inB1(t_cd4008 *x, t_float f);
+static void cd4008_inB2(t_cd4008 *x, t_float f);
+static void cd4008_inB3(t_cd4008 *x, t_float f);
+static void cd4008_inB4(t_cd4008 *x, t_float f);
+static void cd4008_update_outlets(t_cd4008 *x);
+
+static void cd4008_float(t_cd4008 *x, t_float f)
+{
+    if (f == 1) x->x_CarryIn = 1;
+    else if (f == 0) x->x_CarryIn = 0;
+    else
+    {
+        post("cd4008 Carry inlet accepts 1 or 0.");
+        return;
+    }
+    cd4008_update_outlets(x);
+}
+
+static void cd4008_inA1(t_cd4008 *x, t_float f)
+{
+    if (f == 1) x->x_A1 = 1;
+    else if (f == 0) x->x_A1 = 0;
+    else
+    {
+        post("cd4008 inlet A1 accepts 1 or 0.");
+        return;
+    }
+    cd4008_update_outlets(x);
+}
+
+static void cd4008_inA2(t_cd4008 *x, t_float f)
+{
+    if (f == 1) x->x_A2 = 1;
+    else if (f == 0) x->x_A2 = 0;
+    else
+    {
+        post("cd4008 inlet A2 accepts 1 or 0.");
+        return;
+    }
+    cd4008_update_outlets(x);
+}
+
+static void cd4008_inA3(t_cd4008 *x, t_float f)
+{
+    if (f == 1) x->x_A3 = 1;
+    else if (f == 0) x->x_A3 = 0;
+    else
+    {
+        post("cd4008 inlet A3 accepts 1 or 0.");
+        return;
+    }
+    cd4008_update_outlets(x);
+}
+
+static void cd4008_inA4(t_cd4008 *x, t_float f)
+{
+    if (f == 1) x->x_A4 = 1;
+    else if (f == 0) x->x_A4 = 0;
+    else
+    {
+        post("cd4008 inlet A4 accepts 1 or 0.");
+        return;
+    }
+    cd4008_update_outlets(x);
+}
+
+static void cd4008_inB1(t_cd4008 *x, t_float f)
+{
+    if (f == 1) x->x_B1 = 1;
+    else if (f == 0) x->x_B1 = 0;
+    else
+    {
+        post("cd4008 inlet B1 accepts 1 or 0.");
+        return;
+    }
+    cd4008_update_outlets(x);
+}
+
+static void cd4008_inB2(t_cd4008 *x, t_float f)
+{
+    if (f == 1) x->x_B2 = 1;
+    else if (f == 0) x->x_B2 = 0;
+    else
+    {
+        post("cd4008 inlet B2 accepts 1 or 0.");
+        return;
+    }
+    cd4008_update_outlets(x);
+}
+
+static void cd4008_inB3(t_cd4008 *x, t_float f)
+{
+    if (f == 1) x->x_B3 = 1;
+    else if (f == 0) x->x_B3 = 0;
+    else
+    {
+        post("cd4008 inlet B3 accepts 1 or 0.");
+        return;
+    }
+    cd4008_update_outlets(x);
+}
+
+static void cd4008_inB4(t_cd4008 *x, t_float f)
+{
+    if (f == 1) x->x_B4 = 1;
+    else if (f == 0) x->x_B4 = 0;
+    else
+    {
+        post("cd4008 inlet B4 accepts 1 or 0.");
+        return;
+    }
+    cd4008_update_outlets(x);
+}
+
+static void cd4008_update_outlets(t_cd4008 *x)
+{ /* Quadruple add function */
+    t_int sum;
+
+    sum = x->x_CarryIn + x->x_A1 + x->x_B1 + 2*(x->x_A2 + x->x_B2) + 4*(x->x_A3 + x->x_B3) + 8*(x->x_A4 + x->x_B4);
+    outlet_float(x->x_outC, ((sum & 16) != 0)?1:0);
+    outlet_float(x->x_outS4, ((sum & 8) != 0)?1:0);
+    outlet_float(x->x_outS3, ((sum & 4) != 0)?1:0);
+    outlet_float(x->x_outS2, ((sum & 2) != 0)?1:0);
+    outlet_float(x->x_outS1, ((sum & 1) != 0)?1:0);
+}
+
+static void cd4008_free(t_cd4008 *x)
+{
+    return;
+}
+
+static void *cd4008_new(t_symbol *s, int argc, t_atom *argv)
+{
+    t_cd4008           *x;
+
+    x = (t_cd4008 *)pd_new(cd4008_class);
+    if (x == NULL) return (x);
+    x->x_outS1 = outlet_new((t_object *)x, &s_float);
+    x->x_outS2 = outlet_new((t_object *)x, &s_float);
+    x->x_outS3 = outlet_new((t_object *)x, &s_float);
+    x->x_outS4 = outlet_new((t_object *)x, &s_float);
+    x->x_outC = outlet_new((t_object *)x, &s_float);
+    x->x_inA1 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("A1"));
+    x->x_inA2 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("A2"));
+    x->x_inA3 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("A3"));
+    x->x_inA4 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("A4"));
+    x->x_inB1 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("B1"));
+    x->x_inB2 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("B2"));
+    x->x_inB3 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("B3"));
+    x->x_inB4 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("B4"));
+    return (x);
+}
+
+void cd4008_setup(void)
+{
+    cd4008_class = class_new(gensym("cd4008"),
+                    (t_newmethod)cd4008_new,
+                    (t_method)cd4008_free,
+                    sizeof(t_cd4008), 0, 0); /* no arguments */
+    class_addfloat(cd4008_class, cd4008_float);
+    class_addmethod(cd4008_class, (t_method)cd4008_inA1, gensym("A1"), A_FLOAT, 0);
+    class_addmethod(cd4008_class, (t_method)cd4008_inA2, gensym("A2"), A_FLOAT, 0);
+    class_addmethod(cd4008_class, (t_method)cd4008_inA3, gensym("A3"), A_FLOAT, 0);
+    class_addmethod(cd4008_class, (t_method)cd4008_inA4, gensym("A4"), A_FLOAT, 0);
+    class_addmethod(cd4008_class, (t_method)cd4008_inB1, gensym("B1"), A_FLOAT, 0);
+    class_addmethod(cd4008_class, (t_method)cd4008_inB2, gensym("B2"), A_FLOAT, 0);
+    class_addmethod(cd4008_class, (t_method)cd4008_inB3, gensym("B3"), A_FLOAT, 0);
+    class_addmethod(cd4008_class, (t_method)cd4008_inB4, gensym("B4"), A_FLOAT, 0);
+}
+/* end cd4008.c */
+