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/* (C) 2010 Federico Ferri <mescalinum@gmail.com>
* this software is gpl'ed software, read the file "README.txt" for details
*/
#include "tms5220/tms5220.c"
#include "m_pd.h"
static t_class *tms5220_tilde_class;
typedef struct _tms5220_tilde {
t_object x_obj;
// status outlets
t_int status;
t_outlet *x_status;
t_int ready;
t_outlet *x_ready;
t_int interrupt;
t_outlet *x_interrupt;
t_float dummy;
} t_tms5220_tilde;
void tms5220_tilde_reset(t_tms5220_tilde *x) {
tms5220_reset();
}
void *tms5220_tilde_new(t_symbol *s, int argc, t_atom *argv) {
t_tms5220_tilde *x = (t_tms5220_tilde *)pd_new(tms5220_tilde_class);
x->status = x->ready = x->interrupt = 0;
//inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
//floatinlet_new(&x->x_obj, &x->f_x);
outlet_new(&x->x_obj, &s_signal);
x->x_status = outlet_new(&x->x_obj, &s_float);
x->x_ready = outlet_new(&x->x_obj, &s_float);
x->x_interrupt = outlet_new(&x->x_obj, &s_float);
tms5220_tilde_reset(x);
return (void *)x;
}
void tms5220_tilde_free(t_tms5220_tilde *x) {
}
void tms5220_tilde_write(t_tms5220_tilde *x, t_floatarg data) {
tms5220_data_write((int)data);
}
void tms5220_tilde_update_status(t_tms5220_tilde *x) {
t_int new_status, new_ready, new_interrupt;
new_status = tms5220_status_read();
new_ready = tms5220_ready_read();
new_interrupt = tms5220_int_read();
if(new_interrupt != x->interrupt) {
outlet_float(x->x_interrupt, new_interrupt);
x->interrupt = new_interrupt;
}
if(new_ready != x->ready) {
outlet_float(x->x_ready, new_ready);
x->ready = new_ready;
}
if(new_status != x->status) {
outlet_float(x->x_status, new_status);
x->status = new_status;
}
}
t_int *tms5220_tilde_perform(t_int *w) {
t_tms5220_tilde *x = (t_tms5220_tilde *)(w[1]);
t_sample *in = (t_sample *)(w[2]);
t_sample *out = (t_sample *)(w[3]);
int n = (int)(w[4]);
unsigned char *bytebuf = (unsigned char *)malloc(sizeof(unsigned char)*n);
if(!bytebuf) {error("FATAL: cannot allocate signal buffer"); return w;}
tms5220_process(bytebuf, n);
unsigned char *pb = bytebuf;
while (n--) *out++ = (0.5+((t_sample)*pb++))/127.5;
free(bytebuf);
tms5220_tilde_update_status(x);
return (w+5);
}
void tms5220_tilde_dsp(t_tms5220_tilde *x, t_signal **sp) {
dsp_add(tms5220_tilde_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
}
void tms5220_tilde_setup(void) {
tms5220_tilde_class = class_new(gensym("tms5220~"),
(t_newmethod)tms5220_tilde_new,
(t_method)tms5220_tilde_free,
sizeof(t_tms5220_tilde),
CLASS_DEFAULT, A_GIMME, 0);
CLASS_MAINSIGNALIN(tms5220_tilde_class, t_tms5220_tilde, dummy);
class_addmethod(tms5220_tilde_class, (t_method)tms5220_tilde_dsp, gensym("dsp"), 0);
//class_addfloat(tms5220_tilde_class, (t_method)tms5220_tilde_write);
class_addmethod(tms5220_tilde_class, (t_method)tms5220_tilde_write, gensym("write"), A_DEFFLOAT, 0);
class_addmethod(tms5220_tilde_class, (t_method)tms5220_tilde_reset, gensym("reset"), 0);
post("tms5220~: TSM5220 IC emulation");
post("tms5220~: external by Federico Ferri <mescalinum@gmail.com>");
post("tms5220~: based on code by Frank Palazzolo <palazzol@tir.com>");
}
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