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Get the C4 width right for undriven nexa.

This commit is contained in:
steve 2005-02-10 04:55:45 +00:00
parent a0583ef124
commit 1979fca239
1 changed files with 17 additions and 4 deletions
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21
tgt-vvp/vvp_scope.c
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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: vvp_scope.c,v 1.115 2005/02/08 00:12:36 steve Exp $"
#ident "$Id: vvp_scope.c,v 1.116 2005/02/10 04:55:45 steve Exp $"
#endif
# include "vvp_priv.h"
@ -566,19 +566,29 @@ const char* draw_net_input(ivl_nexus_t nex)
/* If the nexus has no drivers, then send a constant HiZ into
the net. */
if (ndrivers == 0) {
unsigned idx, wid = width_of_nexus(nex);
char*tmp = malloc(wid + 5);
nex_private = tmp;
strcpy(tmp, "C4<");
tmp += strlen(tmp);
switch (res) {
case IVL_SIT_TRI:
nex_private = "C4<z>";
for (idx = 0 ; idx < wid ; idx += 1)
*tmp++ = 'z';
break;
case IVL_SIT_TRI0:
nex_private = "C4<0>";
for (idx = 0 ; idx < wid ; idx += 1)
*tmp++ = '0';
break;
case IVL_SIT_TRI1:
nex_private = "C4<1>";
for (idx = 0 ; idx < wid ; idx += 1)
*tmp++ = '1';
break;
default:
assert(0);
}
*tmp++ = '>';
*tmp = 0;
ivl_nexus_set_private(nex, nex_private);
return nex_private;
}
@ -1910,6 +1920,9 @@ int draw_scope(ivl_scope_t net, ivl_scope_t parent)
/*
* $Log: vvp_scope.c,v $
* Revision 1.116 2005/02/10 04:55:45 steve
* Get the C4 width right for undriven nexa.
*
* Revision 1.115 2005/02/08 00:12:36 steve
* Add the NetRepeat node, and code generator support.
*