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detect multiple drivers on nexa.

This commit is contained in:
steve 2001-04-30 00:00:27 +00:00
parent eb71c70c99
commit 3f952a2fd2
1 changed files with 17 additions and 13 deletions
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30
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
*/
#if !defined(WINNT)
#ident "$Id: vvp_scope.c,v 1.21 2001/04/29 23:16:31 steve Exp $"
#ident "$Id: vvp_scope.c,v 1.22 2001/04/30 00:00:27 steve Exp $"
#endif
# include "vvp_priv.h"
@ -49,55 +49,56 @@ void draw_nexus_input(ivl_nexus_t nex)
for (ndx = 0 ; ndx < ivl_nexus_ptrs(nex) ; ndx += 1) {
ivl_nexus_ptr_t nptr = ivl_nexus_ptr(nex, ndx);
unsigned nptr_pin = ivl_nexus_ptr_pin(nptr);
lptr = ivl_nexus_ptr_log(nptr);
if (lptr && (ivl_logic_type(lptr) == IVL_LO_BUFZ)) {
if (lptr && (ivl_logic_type(lptr) == IVL_LO_BUFZ) &&
(nptr_pin == 0)) {
draw_nexus_input(ivl_logic_pin(lptr, 1));
assert(driver == 0);
driver = nptr;
return; /* XXXX */
continue;
}
if (lptr && (ivl_logic_type(lptr) == IVL_LO_PULLDOWN)) {
fprintf(vvp_out, "C<0>");
assert(driver == 0);
driver = nptr;
return; /* XXXX */
continue;
}
if (lptr && (ivl_logic_type(lptr) == IVL_LO_PULLUP)) {
fprintf(vvp_out, "C<1>");
assert(driver == 0);
driver = nptr;
return; /* XXXX */
continue;
}
if (lptr && (ivl_nexus_ptr_pin(nptr) == 0)) {
if (lptr && (nptr_pin == 0)) {
fprintf(vvp_out, "L_%s", ivl_logic_name(lptr));
assert(driver == 0);
driver = nptr;
return; /* XXXX */
continue;
}
sptr = ivl_nexus_ptr_sig(nptr);
if (sptr && (ivl_signal_type(sptr) == IVL_SIT_REG)) {
fprintf(vvp_out, "V_%s[%u]", ivl_signal_name(sptr),
ivl_nexus_ptr_pin(nptr));
nptr_pin);
assert(driver == 0);
driver = nptr;
return; /* XXXX */
continue;
}
cptr = ivl_nexus_ptr_con(nptr);
if (cptr) {
const char*bits = ivl_const_bits(cptr);
unsigned pin = ivl_nexus_ptr_pin(nptr);
fprintf(vvp_out, "C<%c>", bits[pin]);
fprintf(vvp_out, "C<%c>", bits[nptr_pin]);
driver = nptr;
return; /* XXXX */
continue;
}
lpm = ivl_nexus_ptr_lpm(nptr);
@ -111,7 +112,7 @@ void draw_nexus_input(ivl_nexus_t nex)
assert(driver == 0);
driver = nptr;
return; /* XXXX */
continue;
}
}
@ -510,6 +511,9 @@ int draw_scope(ivl_scope_t net, ivl_scope_t parent)
/*
* $Log: vvp_scope.c,v $
* Revision 1.22 2001/04/30 00:00:27 steve
* detect multiple drivers on nexa.
*
* Revision 1.21 2001/04/29 23:16:31 steve
* Add bufif and pull devices.
*