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/* cd4002.c MP 20070315 */
/* Emulate a cd4002b */
#include "m_pd.h"
typedef struct _cd4002
{
t_object x_obj;
t_int x_in1;
t_int x_in2;
t_int x_in3;
t_int x_in4;
t_outlet *x_out;
t_inlet *x_inlet2;/* extra inlets are 'live' like the first */
t_inlet *x_inlet3;
t_inlet *x_inlet4;
} t_cd4002;
static t_class *cd4002_class;
void cd4002_setup(void);
static void *cd4002_new(t_symbol *s, int argc, t_atom *argv);
static void cd4002_free(t_cd4002 *x);
static void cd4002_bang(t_cd4002 *x);
static void cd4002_float(t_cd4002 *x, t_float f);
static void cd4002_inlet2(t_cd4002 *x, t_float f);
static void cd4002_inlet3(t_cd4002 *x, t_float f);
static void cd4002_inlet4(t_cd4002 *x, t_float f);
static void cd4002_update_outlets(t_cd4002 *x);
static void cd4002_float(t_cd4002 *x, t_float f)
{
if (f == 1) x->x_in1 = 1;
else if (f == 0) x->x_in1 = 0;
else
{
post("cd4002 inlet 2 accepts 1 or 0.");
return;
}
cd4002_update_outlets(x);
}
static void cd4002_bang(t_cd4002 *x)
{
cd4002_update_outlets(x);
}
static void cd4002_inlet2(t_cd4002 *x, t_float f)
{
if (f == 1) x->x_in2 = 1;
else if (f == 0) x->x_in2 = 0;
else
{
post("cd4002 inlet 2 accepts 1 or 0.");
return;
}
cd4002_update_outlets(x);
}
static void cd4002_inlet3(t_cd4002 *x, t_float f)
{
if (f == 1) x->x_in3 = 1;
else if (f == 0) x->x_in3 = 0;
else
{
post("cd4002 inlet 3 accepts 1 or 0.");
return;
}
cd4002_update_outlets(x);
}
static void cd4002_inlet4(t_cd4002 *x, t_float f)
{
if (f == 1) x->x_in4 = 1;
else if (f == 0) x->x_in4 = 0;
else
{
post("cd4002 inlet 4 accepts 1 or 0.");
return;
}
cd4002_update_outlets(x);
}
static void cd4002_update_outlets(t_cd4002 *x)
{ /* Quadruple NOR function */
outlet_float(x->x_out, ((x->x_in1 + x->x_in2 + x->x_in3 + x->x_in4) != 0)?0:1);
}
static void cd4002_free(t_cd4002 *x)
{
return;
}
static void *cd4002_new(t_symbol *s, int argc, t_atom *argv)
{
t_cd4002 *x;
x = (t_cd4002 *)pd_new(cd4002_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"));
x->x_inlet4 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("inlet4"));
return (x);
}
void cd4002_setup(void)
{
cd4002_class = class_new(gensym("cd4002"),
(t_newmethod)cd4002_new,
(t_method)cd4002_free,
sizeof(t_cd4002), 0, 0); /* no arguments */
class_addbang(cd4002_class, cd4002_bang);
class_addfloat(cd4002_class, cd4002_float);
class_addmethod(cd4002_class, (t_method)cd4002_inlet2, gensym("inlet2"), A_FLOAT, 0);
class_addmethod(cd4002_class, (t_method)cd4002_inlet3, gensym("inlet3"), A_FLOAT, 0);
class_addmethod(cd4002_class, (t_method)cd4002_inlet4, gensym("inlet4"), A_FLOAT, 0);
}
/* end cd4002.c */
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