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Add vvp driver functor for logic outputs,

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Add ostream output operators for debugging.
This commit is contained in:
steve
2005-04-13 06:34:20 +00:00
parent 061fdf5a0d
commit a3f696cd06
9 changed files with 170 additions and 35 deletions
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vvp/logic.cc
+28 -4
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@@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: logic.cc,v 1.20 2005/04/03 05:45:51 steve Exp $"
#ident "$Id: logic.cc,v 1.21 2005/04/13 06:34:20 steve Exp $"
#endif
# include "logic.h"
@@ -229,6 +229,7 @@ void compile_functor(char*label, char*type,
unsigned argc, struct symb_s*argv)
{
vvp_net_fun_t* obj = 0;
bool strength_aware = false;
if (strcmp(type, "OR") == 0) {
obj = new table_functor_s(ft_OR);
@@ -241,9 +242,11 @@ void compile_functor(char*label, char*type,
} else if (strcmp(type, "BUFIF0") == 0) {
obj = new vvp_fun_bufif(true,false, ostr0, ostr1);
strength_aware = true;
} else if (strcmp(type, "BUFIF1") == 0) {
obj = new vvp_fun_bufif(false,false, ostr0, ostr1);
strength_aware = true;
} else if (strcmp(type, "BUFZ") == 0) {
obj = new vvp_fun_bufz();
@@ -304,16 +307,37 @@ void compile_functor(char*label, char*type,
vvp_net_t*net = new vvp_net_t;
net->fun = obj;
define_functor_symbol(label, net);
free(label);
inputs_connect(net, argc, argv);
free(argv);
/* If both the strengths are the default strong drive, then
there is no need for a specialized driver. Attach the label
to this node and we are finished. */
if (strength_aware || ostr0 == 6 && ostr1 == 6) {
define_functor_symbol(label, net);
free(label);
return;
}
vvp_fun_drive*obj_drv = new vvp_fun_drive(BIT4_X, ostr0, ostr1);
vvp_net_t*net_drv = new vvp_net_t;
net_drv->fun = obj_drv;
/* Point the gate to the drive node. */
net->out = vvp_net_ptr_t(net_drv, 0);
define_functor_symbol(label, net_drv);
free(label);
}
/*
* $Log: logic.cc,v $
* Revision 1.21 2005/04/13 06:34:20 steve
* Add vvp driver functor for logic outputs,
* Add ostream output operators for debugging.
*
* Revision 1.20 2005/04/03 05:45:51 steve
* Rework the vvp_delay_t class.
*