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Support drawing vpiBinaryConst in hex.

This commit is contained in:
steve 2002-04-27 22:36:39 +00:00
parent 84020b16e3
commit 271855377f
1 changed files with 35 additions and 1 deletions
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36
vvp/vpi_const.cc
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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: vpi_const.cc,v 1.13 2002/04/14 03:53:20 steve Exp $"
#ident "$Id: vpi_const.cc,v 1.14 2002/04/27 22:36:39 steve Exp $"
#endif
# include "vpi_priv.h"
@ -234,6 +234,37 @@ static void binary_value(vpiHandle ref, p_vpi_value vp)
break;
}
case vpiHexStrVal: {
unsigned nchar = (rfp->nbits+3)/4;
assert(nchar < sizeof buf);
unsigned cum_val = 0;
unsigned nz = 0;
unsigned nx = 0;
for (unsigned idx = 0 ; idx < rfp->nbits ; idx += 4) {
unsigned nibble = idx/4;
unsigned vals = rfp->bits[nibble];
if (vals == 0xff) {
buf[nchar-idx/4-1] = 'z';
} else if (vals == 0xaa) {
buf[nchar-idx/4-1] = 'x';
} else if (vals & 0xaa) {
buf[nchar-idx/4-1] = 'X';
} else {
unsigned val = vals&1;
if (vals&0x04) val |= 2;
if (vals&0x10) val |= 4;
if (vals&0x40) val |= 8;
buf[nchar-idx/4-1] = "0123456789abcdef"[val];
}
}
buf[nchar] = 0;
vp->value.str = buf;
vp->format = vpiHexStrVal;
break;
}
case vpiIntVal: {
unsigned val = 0;
@ -422,6 +453,9 @@ vpiHandle vpip_make_dec_const(int value)
/*
* $Log: vpi_const.cc,v $
* Revision 1.14 2002/04/27 22:36:39 steve
* Support drawing vpiBinaryConst in hex.
*
* Revision 1.13 2002/04/14 03:53:20 steve
* Allow signed constant vectors for call_vpi parameters.
*