diff options
Diffstat (limited to 'tms5220~/tms5220~.c')
| -rw-r--r-- | tms5220~/tms5220~.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/tms5220~/tms5220~.c b/tms5220~/tms5220~.c new file mode 100644 index 0000000..ce119cd --- /dev/null +++ b/tms5220~/tms5220~.c @@ -0,0 +1,120 @@ +/* (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>"); +} |