From 8a36990c0305ea2effba5e869351b902ecb429b0 Mon Sep 17 00:00:00 2001 From: Martin Peach Date: Tue, 20 Mar 2007 16:06:17 +0000 Subject: CMOS digital logic emulation objects svn path=/trunk/externals/mrpeach/; revision=7509 --- cmos/cd4008.c | 212 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 212 insertions(+) create mode 100755 cmos/cd4008.c (limited to 'cmos/cd4008.c') diff --git a/cmos/cd4008.c b/cmos/cd4008.c new file mode 100755 index 0000000..06fbe47 --- /dev/null +++ b/cmos/cd4008.c @@ -0,0 +1,212 @@ +/* cd4008.c MP 20070315 */ +/* Emulate a cd4008b */ +#include "m_pd.h" + +typedef struct _cd4008 +{ + t_object x_obj; + t_int x_A1; + t_int x_A2; + t_int x_A3; + t_int x_A4; + t_int x_B1; + t_int x_B2; + t_int x_B3; + t_int x_B4; + t_int x_CarryIn; + t_outlet *x_outS1; + t_outlet *x_outS2; + t_outlet *x_outS3; + t_outlet *x_outS4; + t_outlet *x_outC; + t_inlet *x_inA1;/* extra inlets are 'live' like the first */ + t_inlet *x_inA2; + t_inlet *x_inA3; + t_inlet *x_inA4; + t_inlet *x_inB1; + t_inlet *x_inB2; + t_inlet *x_inB3; + t_inlet *x_inB4; +} t_cd4008; + +static t_class *cd4008_class; + +void cd4008_setup(void); +static void *cd4008_new(t_symbol *s, int argc, t_atom *argv); +static void cd4008_free(t_cd4008 *x); +static void cd4008_float(t_cd4008 *x, t_float f); +static void cd4008_inA1(t_cd4008 *x, t_float f); +static void cd4008_inA2(t_cd4008 *x, t_float f); +static void cd4008_inA3(t_cd4008 *x, t_float f); +static void cd4008_inA4(t_cd4008 *x, t_float f); +static void cd4008_inB1(t_cd4008 *x, t_float f); +static void cd4008_inB2(t_cd4008 *x, t_float f); +static void cd4008_inB3(t_cd4008 *x, t_float f); +static void cd4008_inB4(t_cd4008 *x, t_float f); +static void cd4008_update_outlets(t_cd4008 *x); + +static void cd4008_float(t_cd4008 *x, t_float f) +{ + if (f == 1) x->x_CarryIn = 1; + else if (f == 0) x->x_CarryIn = 0; + else + { + post("cd4008 Carry inlet accepts 1 or 0."); + return; + } + cd4008_update_outlets(x); +} + +static void cd4008_inA1(t_cd4008 *x, t_float f) +{ + if (f == 1) x->x_A1 = 1; + else if (f == 0) x->x_A1 = 0; + else + { + post("cd4008 inlet A1 accepts 1 or 0."); + return; + } + cd4008_update_outlets(x); +} + +static void cd4008_inA2(t_cd4008 *x, t_float f) +{ + if (f == 1) x->x_A2 = 1; + else if (f == 0) x->x_A2 = 0; + else + { + post("cd4008 inlet A2 accepts 1 or 0."); + return; + } + cd4008_update_outlets(x); +} + +static void cd4008_inA3(t_cd4008 *x, t_float f) +{ + if (f == 1) x->x_A3 = 1; + else if (f == 0) x->x_A3 = 0; + else + { + post("cd4008 inlet A3 accepts 1 or 0."); + return; + } + cd4008_update_outlets(x); +} + +static void cd4008_inA4(t_cd4008 *x, t_float f) +{ + if (f == 1) x->x_A4 = 1; + else if (f == 0) x->x_A4 = 0; + else + { + post("cd4008 inlet A4 accepts 1 or 0."); + return; + } + cd4008_update_outlets(x); +} + +static void cd4008_inB1(t_cd4008 *x, t_float f) +{ + if (f == 1) x->x_B1 = 1; + else if (f == 0) x->x_B1 = 0; + else + { + post("cd4008 inlet B1 accepts 1 or 0."); + return; + } + cd4008_update_outlets(x); +} + +static void cd4008_inB2(t_cd4008 *x, t_float f) +{ + if (f == 1) x->x_B2 = 1; + else if (f == 0) x->x_B2 = 0; + else + { + post("cd4008 inlet B2 accepts 1 or 0."); + return; + } + cd4008_update_outlets(x); +} + +static void cd4008_inB3(t_cd4008 *x, t_float f) +{ + if (f == 1) x->x_B3 = 1; + else if (f == 0) x->x_B3 = 0; + else + { + post("cd4008 inlet B3 accepts 1 or 0."); + return; + } + cd4008_update_outlets(x); +} + +static void cd4008_inB4(t_cd4008 *x, t_float f) +{ + if (f == 1) x->x_B4 = 1; + else if (f == 0) x->x_B4 = 0; + else + { + post("cd4008 inlet B4 accepts 1 or 0."); + return; + } + cd4008_update_outlets(x); +} + +static void cd4008_update_outlets(t_cd4008 *x) +{ /* Quadruple add function */ + t_int sum; + + sum = x->x_CarryIn + x->x_A1 + x->x_B1 + 2*(x->x_A2 + x->x_B2) + 4*(x->x_A3 + x->x_B3) + 8*(x->x_A4 + x->x_B4); + outlet_float(x->x_outC, ((sum & 16) != 0)?1:0); + outlet_float(x->x_outS4, ((sum & 8) != 0)?1:0); + outlet_float(x->x_outS3, ((sum & 4) != 0)?1:0); + outlet_float(x->x_outS2, ((sum & 2) != 0)?1:0); + outlet_float(x->x_outS1, ((sum & 1) != 0)?1:0); +} + +static void cd4008_free(t_cd4008 *x) +{ + return; +} + +static void *cd4008_new(t_symbol *s, int argc, t_atom *argv) +{ + t_cd4008 *x; + + x = (t_cd4008 *)pd_new(cd4008_class); + if (x == NULL) return (x); + x->x_outS1 = outlet_new((t_object *)x, &s_float); + x->x_outS2 = outlet_new((t_object *)x, &s_float); + x->x_outS3 = outlet_new((t_object *)x, &s_float); + x->x_outS4 = outlet_new((t_object *)x, &s_float); + x->x_outC = outlet_new((t_object *)x, &s_float); + x->x_inA1 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("A1")); + x->x_inA2 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("A2")); + x->x_inA3 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("A3")); + x->x_inA4 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("A4")); + x->x_inB1 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("B1")); + x->x_inB2 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("B2")); + x->x_inB3 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("B3")); + x->x_inB4 = inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("B4")); + return (x); +} + +void cd4008_setup(void) +{ + cd4008_class = class_new(gensym("cd4008"), + (t_newmethod)cd4008_new, + (t_method)cd4008_free, + sizeof(t_cd4008), 0, 0); /* no arguments */ + class_addfloat(cd4008_class, cd4008_float); + class_addmethod(cd4008_class, (t_method)cd4008_inA1, gensym("A1"), A_FLOAT, 0); + class_addmethod(cd4008_class, (t_method)cd4008_inA2, gensym("A2"), A_FLOAT, 0); + class_addmethod(cd4008_class, (t_method)cd4008_inA3, gensym("A3"), A_FLOAT, 0); + class_addmethod(cd4008_class, (t_method)cd4008_inA4, gensym("A4"), A_FLOAT, 0); + class_addmethod(cd4008_class, (t_method)cd4008_inB1, gensym("B1"), A_FLOAT, 0); + class_addmethod(cd4008_class, (t_method)cd4008_inB2, gensym("B2"), A_FLOAT, 0); + class_addmethod(cd4008_class, (t_method)cd4008_inB3, gensym("B3"), A_FLOAT, 0); + class_addmethod(cd4008_class, (t_method)cd4008_inB4, gensym("B4"), A_FLOAT, 0); +} +/* end cd4008.c */ + -- cgit v1.2.1