CMOS digital logic emulation objects

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

1 files changed, 256 insertions, 0 deletions

diff --git a/cmos/cd4076.c b/cmos/cd4076.c
new file mode 100755
index 0000000..5edcefc
--- /dev/null
+++ b/cmos/cd4076.c
@@ -0,0 +1,256 @@
+/* cd4076.c MP 20070312 */
+/* Emulate a cd4076b */
+#include "m_pd.h"
+
+typedef struct _cd4076
+{
+    t_object        x_obj;
+    t_outlet        *x_output_A;
+    t_outlet        *x_output_B;
+    t_outlet        *x_output_C;
+    t_outlet        *x_output_D;
+    t_int           x_clock;
+    t_int           x_QA;
+    t_int           x_QB;
+    t_int           x_QC;
+    t_int           x_QD;
+    t_int           x_inA;
+    t_int           x_inB;
+    t_int           x_inC;
+    t_int           x_inD;
+    t_int           x_InDis1;
+    t_int           x_InDis2;
+    t_int           x_OutDis1;
+    t_int           x_OutDis2;
+    t_int           x_Clear;
+    t_inlet         *x_clear;/* clear takes one or zero as acceptable inputs. */
+    t_inlet         *x_input_disable_1;/* input_disable_1 takes one or zero as acceptable inputs. */
+    t_inlet         *x_input_disable_2;/* input_disable_2 takes one or zero as acceptable inputs. */
+    t_inlet         *x_output_disable_1;/* output_disable_1 takes one or zero as acceptable inputs. */
+    t_inlet         *x_output_disable_2;/* output_disable_2 takes one or zero as acceptable inputs. */
+    t_inlet         *x_input_A;/* input_A takes one or zero as acceptable inputs. */
+    t_inlet         *x_input_B;/* input_B takes one or zero as acceptable inputs. */
+    t_inlet         *x_input_C;/* input_C takes one or zero as acceptable inputs. */
+    t_inlet         *x_input_D;/* input_D takes one or zero as acceptable inputs. */
+    /* The main inlet (clock) should accept a bang or a one as valid clocks. */
+    /* If a one is received, it must be followed by a zero before the clock will work again. */
+} t_cd4076;
+
+static t_class *cd4076_class;
+
+void cd4076_setup(void);
+static void *cd4076_new(t_symbol *s, int argc, t_atom *argv);
+static void cd4076_free(t_cd4076 *x);
+static void cd4076_bang(t_cd4076 *x);
+static void cd4076_float(t_cd4076 *x, t_float f);
+static void cd4076_clear(t_cd4076 *x, t_float f);
+static void cd4076_input_disable_1(t_cd4076 *x, t_float f);
+static void cd4076_input_disable_2(t_cd4076 *x, t_float f);
+static void cd4076_output_disable_1(t_cd4076 *x, t_float f);
+static void cd4076_output_disable_2(t_cd4076 *x, t_float f);
+static void cd4076_input_a(t_cd4076 *x, t_float f);
+static void cd4076_input_b(t_cd4076 *x, t_float f);
+static void cd4076_input_c(t_cd4076 *x, t_float f);
+static void cd4076_input_d(t_cd4076 *x, t_float f);
+static void cd4076_update_outlets(t_cd4076 *x);
+
+static void cd4076_float(t_cd4076 *x, t_float f)
+{
+    if (f == 1)
+    { /* if clock is high and was low, clock it. */
+        if ((x->x_clock) == 0) cd4076_bang(x);
+        x->x_clock = 1;
+    }
+    else if (f == 0) x->x_clock = 0;
+    else post("cd4076 accepts bang, 1 or 0.");
+}
+
+static void cd4076_bang(t_cd4076 *x)
+{
+    if ((x->x_InDis1 + x->x_InDis2 + x->x_Clear) == 0)
+    {
+        x->x_QA = x->x_inA;
+        x->x_QB = x->x_inB;
+        x->x_QC = x->x_inC;
+        x->x_QD = x->x_inD;
+    }
+    cd4076_update_outlets(x);
+}
+
+static void cd4076_clear(t_cd4076 *x, t_float f)
+{
+    if (f == 1)
+    {
+        x->x_Clear = 1;
+        x->x_QA = 0;
+        x->x_QB = 0;
+        x->x_QC = 0;
+        x->x_QD = 0;
+        cd4076_update_outlets(x);
+    }
+    else if (f == 0)
+    {
+        x->x_Clear = 0;
+    }
+    else
+    {
+        post("cd4076 clear takes 1 or 0 only.");
+        return;
+    }
+}
+
+static void cd4076_input_disable_1(t_cd4076 *x, t_float f)
+{
+    if (f == 1) x->x_InDis1 = 1;
+    else if (f == 0) x->x_InDis1 = 0;
+    else
+    {
+        post("cd4076 input disable 1 takes 1 or 0 only.");
+        return;
+    }
+}
+
+static void cd4076_input_disable_2(t_cd4076 *x, t_float f)
+{
+    if (f == 1) x->x_InDis2 = 1;
+    else if (f == 0) x->x_InDis2 = 0;
+    else
+    {
+        post("cd4076 input disable 2 takes 1 or 0 only.");
+        return;
+    }
+}
+
+static void cd4076_output_disable_1(t_cd4076 *x, t_float f)
+{
+    if (f == 1) x->x_OutDis1 = 1;
+    else if (f == 0)
+    {
+        x->x_OutDis1 = 0;
+        cd4076_update_outlets(x);
+    }
+    else
+    {
+        post("cd4076 output disable 1 takes 1 or 0 only.");
+        return;
+    }
+}
+
+static void cd4076_output_disable_2(t_cd4076 *x, t_float f)
+{
+    if (f == 1) x->x_OutDis2 = 1;
+    else if (f == 0)
+    {
+        x->x_OutDis2 = 0;
+        cd4076_update_outlets(x);
+    }
+    else
+    {
+        post("cd4076 output disable 2 takes 1 or 0 only.");
+        return;
+    }
+}
+
+static void cd4076_input_a(t_cd4076 *x, t_float f)
+{
+    if (f == 1) x->x_inA = 1;
+    else if (f == 0) x->x_inA = 0;
+    else
+    {
+        post("cd4076 input A takes 1 or 0 only.");
+        return;
+    }
+}
+
+static void cd4076_input_b(t_cd4076 *x, t_float f)
+{
+    if (f == 1) x->x_inB = 1;
+    else if (f == 0) x->x_inB = 0;
+    else
+    {
+        post("cd4076 input B takes 1 or 0 only.");
+        return;
+    }
+}
+
+static void cd4076_input_c(t_cd4076 *x, t_float f)
+{
+    if (f == 1) x->x_inC = 1;
+    else if (f == 0) x->x_inC = 0;
+    else
+    {
+        post("cd4076 input C takes 1 or 0 only.");
+        return;
+    }
+}
+
+static void cd4076_input_d(t_cd4076 *x, t_float f)
+{
+    if (f == 1) x->x_inD = 1;
+    else if (f == 0) x->x_inD = 0;
+    else
+    {
+        post("cd4076 input D takes 1 or 0 only.");
+        return;
+    }
+}
+
+static void cd4076_update_outlets(t_cd4076 *x)
+{
+    if (x->x_OutDis1 + x->x_OutDis2 == 0)
+    {
+        outlet_float(x->x_output_D, ((x->x_QD) == 1)?1:0);
+        outlet_float(x->x_output_C, ((x->x_QC) == 1)?1:0);
+        outlet_float(x->x_output_B, ((x->x_QB) == 1)?1:0);
+        outlet_float(x->x_output_A, ((x->x_QA) == 1)?1:0);
+    }
+}
+
+static void cd4076_free(t_cd4076 *x)
+{
+    return;
+}
+
+static void *cd4076_new(t_symbol *s, int argc, t_atom *argv)
+{
+    t_cd4076           *x;
+
+    x = (t_cd4076 *)pd_new(cd4076_class);
+    if (x == NULL) return (x);
+    x->x_output_A = outlet_new((t_object *)x, &s_float);
+    x->x_output_B = outlet_new((t_object *)x, &s_float);
+    x->x_output_C = outlet_new((t_object *)x, &s_float);
+    x->x_output_D = outlet_new((t_object *)x, &s_float);
+
+    x->x_clear = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("clear"));
+    x->x_input_disable_1 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("inputdisable1"));
+    x->x_input_disable_2 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("inputdisable2"));
+    x->x_output_disable_1 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("outputdisable1"));
+    x->x_output_disable_2 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("outputdisable2"));
+    x->x_input_A = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("inputA"));
+    x->x_input_B = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("inputB"));
+    x->x_input_C = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("inputC"));
+    x->x_input_D = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("inputD"));
+    return (x);
+}
+
+void cd4076_setup(void)
+{
+    cd4076_class = class_new(gensym("cd4076"),
+                    (t_newmethod)cd4076_new,
+                    (t_method)cd4076_free,
+                    sizeof(t_cd4076), 0, 0); /* no arguments */
+    class_addbang(cd4076_class, cd4076_bang);
+    class_addfloat(cd4076_class, cd4076_float);
+    class_addmethod(cd4076_class, (t_method)cd4076_clear, gensym("clear"), A_FLOAT, 0);
+    class_addmethod(cd4076_class, (t_method)cd4076_input_disable_1, gensym("inputdisable1"), A_FLOAT, 0);
+    class_addmethod(cd4076_class, (t_method)cd4076_input_disable_2, gensym("inputdisable2"), A_FLOAT, 0);
+    class_addmethod(cd4076_class, (t_method)cd4076_output_disable_1, gensym("outputdisable1"), A_FLOAT, 0);
+    class_addmethod(cd4076_class, (t_method)cd4076_output_disable_2, gensym("outputdisable2"), A_FLOAT, 0);
+    class_addmethod(cd4076_class, (t_method)cd4076_input_a, gensym("inputA"), A_FLOAT, 0);
+    class_addmethod(cd4076_class, (t_method)cd4076_input_b, gensym("inputB"), A_FLOAT, 0);
+    class_addmethod(cd4076_class, (t_method)cd4076_input_c, gensym("inputC"), A_FLOAT, 0);
+    class_addmethod(cd4076_class, (t_method)cd4076_input_d, gensym("inputD"), A_FLOAT, 0);
+}
+/* end cd4076.c */
+