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-rwxr-xr-xcmos/cd4094.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/cmos/cd4094.c b/cmos/cd4094.c
new file mode 100755
index 0000000..0d7097a
--- /dev/null
+++ b/cmos/cd4094.c
@@ -0,0 +1,186 @@
+/* cd4094.c MP 20070312 */
+/* Emulate a cd4094b */
+#include "m_pd.h"
+
+typedef struct _cd4094
+{
+ t_object x_obj;
+ t_outlet *x_Q1Out;
+ t_outlet *x_Q2Out;
+ t_outlet *x_Q3Out;
+ t_outlet *x_Q4Out;
+ t_outlet *x_Q5Out;
+ t_outlet *x_Q6Out;
+ t_outlet *x_Q7Out;
+ t_outlet *x_Q8Out;
+ t_outlet *x_QSOut;
+ t_outlet *x_QprimeSOut;
+ t_int x_clock;
+ t_int x_data;
+ t_int x_data_in;
+ t_int x_strobe;
+ t_int x_output_enable;
+ t_int x_qprime;
+ t_inlet *x_StrobeIn;/* Strobe takes one or zero as acceptable inputs. */
+ t_inlet *x_DataIn;/* Data takes one or zero as acceptable inputs. */
+ t_inlet *x_OutputEnable;/* Output Enable 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_cd4094;
+
+static t_class *cd4094_class;
+
+void cd4094_setup(void);
+static void *cd4094_new(t_symbol *s, int argc, t_atom *argv);
+static void cd4094_free(t_cd4094 *x);
+static void cd4094_bang(t_cd4094 *x);
+static void cd4094_float(t_cd4094 *x, t_float f);
+static void cd4094_strobe(t_cd4094 *x, t_float f);
+static void cd4094_data(t_cd4094 *x, t_float f);
+static void cd4094_output_enable(t_cd4094 *x, t_float f);
+static void cd4094_update_outlets(t_cd4094 *x);
+
+static void cd4094_float(t_cd4094 *x, t_float f)
+{
+ if (f == 1)
+ { /* if clock is high and was low, clock it. */
+ if ((x->x_clock == 0)&&(x->x_strobe == 1))
+ {
+ x->x_data <<= 1;
+ if (x->x_data_in != 0) x->x_data |= 1;
+ cd4094_update_outlets(x);
+ }
+ x->x_clock = 1;
+ }
+ else if (f == 0)
+ {
+ if (x->x_clock == 1) /* if clock was high and is low, clock Q prime. */
+ {
+ x->x_qprime = ((x->x_data & 256) != 0)?1:0;
+ outlet_float(x->x_QprimeSOut, x->x_qprime);
+ }
+ x->x_clock = 0;
+ }
+ else post("cd4094 accepts bang, 1 or 0.");
+}
+
+static void cd4094_bang(t_cd4094 *x)
+{
+ if (x->x_strobe == 1)
+ {
+ /* rising edge clock */
+ x->x_data <<= 1;
+ if (x->x_data_in != 0) x->x_data |= 1;
+ cd4094_update_outlets(x);
+ /* Q'7 is clocked on a falling edge */
+ x->x_qprime = ((x->x_data & 256) != 0)?1:0;
+ outlet_float(x->x_QprimeSOut, x->x_qprime);
+ }
+}
+
+static void cd4094_strobe(t_cd4094 *x, t_float f)
+{
+ if (f == 1)
+ {
+ x->x_strobe = 1;
+ }
+ else if (f == 0)
+ {
+ x->x_strobe = 0;
+ }
+ else
+ {
+ post("cd4094 strobe takes 1 or 0 only.");
+ return;
+ }
+}
+
+static void cd4094_output_enable(t_cd4094 *x, t_float f)
+{
+ if (f == 1)
+ {
+ x->x_output_enable = 1;
+ cd4094_update_outlets(x);
+ }
+ else if (f == 0)
+ {
+ x->x_output_enable = 0;
+ }
+ else
+ {
+ post("cd4094 output enable takes 1 or 0 only.");
+ return;
+ }
+}
+
+static void cd4094_data(t_cd4094 *x, t_float f)
+{
+ if (f == 1) x->x_data_in = 1;
+ else if (f == 0) x->x_data_in = 0;
+ else
+ {
+ post("cd4094 data takes 1 or 0 only.");
+ return;
+ }
+}
+
+static void cd4094_update_outlets(t_cd4094 *x)
+{
+ outlet_float(x->x_QprimeSOut, ((x->x_qprime) != 0)?1:0);
+ outlet_float(x->x_QSOut, ((x->x_data & 256) != 0)?1:0);
+ if (x->x_output_enable != 0)
+ {
+ outlet_float(x->x_QSOut, ((x->x_data & 256) != 0)?1:0);
+ outlet_float(x->x_Q8Out, ((x->x_data & 128) != 0)?1:0);
+ outlet_float(x->x_Q7Out, ((x->x_data & 64) != 0)?1:0);
+ outlet_float(x->x_Q6Out, ((x->x_data & 32) != 0)?1:0);
+ outlet_float(x->x_Q5Out, ((x->x_data & 16) != 0)?1:0);
+ outlet_float(x->x_Q4Out, ((x->x_data & 8) != 0)?1:0);
+ outlet_float(x->x_Q3Out, ((x->x_data & 4) != 0)?1:0);
+ outlet_float(x->x_Q2Out, ((x->x_data & 2) != 0)?1:0);
+ outlet_float(x->x_Q1Out, ((x->x_data & 1) != 0)?1:0);
+ }
+}
+
+static void cd4094_free(t_cd4094 *x)
+{
+ return;
+}
+
+static void *cd4094_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_cd4094 *x;
+
+ x = (t_cd4094 *)pd_new(cd4094_class);
+ if (x == NULL) return (x);
+ x->x_Q1Out = outlet_new((t_object *)x, &s_float);
+ x->x_Q2Out = outlet_new((t_object *)x, &s_float);
+ x->x_Q3Out = outlet_new((t_object *)x, &s_float);
+ x->x_Q4Out = outlet_new((t_object *)x, &s_float);
+ x->x_Q5Out = outlet_new((t_object *)x, &s_float);
+ x->x_Q6Out = outlet_new((t_object *)x, &s_float);
+ x->x_Q7Out = outlet_new((t_object *)x, &s_float);
+ x->x_Q8Out = outlet_new((t_object *)x, &s_float);
+ x->x_QSOut = outlet_new((t_object *)x, &s_float);
+ x->x_QprimeSOut = outlet_new((t_object *)x, &s_float);
+
+ x->x_StrobeIn = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("strobe"));
+ x->x_DataIn = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("data"));
+ x->x_OutputEnable = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("enableoutput"));
+ return (x);
+}
+
+void cd4094_setup(void)
+{
+ cd4094_class = class_new(gensym("cd4094"),
+ (t_newmethod)cd4094_new,
+ (t_method)cd4094_free,
+ sizeof(t_cd4094), 0, 0); /* no arguments */
+ class_addbang(cd4094_class, cd4094_bang);
+ class_addfloat(cd4094_class, cd4094_float);
+ class_addmethod(cd4094_class, (t_method)cd4094_strobe, gensym("strobe"), A_FLOAT, 0);
+ class_addmethod(cd4094_class, (t_method)cd4094_data, gensym("data"), A_FLOAT, 0);
+ class_addmethod(cd4094_class, (t_method)cd4094_output_enable, gensym("enableoutput"), A_FLOAT, 0);
+}
+/* end cd4094.c */
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-12 18:43:14 +0000