luke
/
iverilog
mirror of https://github.com/steveicarus/iverilog.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

npmos outputs have 3bit strengths, not 2.

This commit is contained in:
steve 2001-10-24 03:18:52 +00:00
parent b1f1f74920
commit b2f6953259
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
vvp/npmos.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: npmos.cc,v 1.3 2001/10/18 17:30:26 steve Exp $" #ident "$Id: npmos.cc,v 1.4 2001/10/24 03:18:52 steve Exp $"
#endif #endif
# include "npmos.h" # include "npmos.h"
@ -44,9 +44,9 @@ static void mos_set(vvp_ipoint_t ptr, functor_t fp, bool push, unsigned in1_on,
unsigned in1 = (fp->ival >> 2) & 0x03; unsigned in1 = (fp->ival >> 2) & 0x03;
unsigned is0 = reduce_strength(fp->istr[0], table); unsigned is0 = reduce_strength(fp->istr[0], table);
unsigned char outH = 0x88 | ((is0 & 3)<<4) | (0); unsigned char outH = 0x88 | ((is0 & 7)<<4) | (0);
unsigned char outL = 0x00 | ((is0 & 3)<<0) | (0); unsigned char outL = 0x00 | ((is0 & 7)<<0) | (0);
unsigned char outX = 0x80 | (is0 & 3) | (is0 & 0x30); unsigned char outX = 0x80 | (is0 & 7) | (is0 & 0x70);
if (in1 == in1_on) { if (in1 == in1_on) {
// gate on; output follows input // gate on; output follows input
@ -100,6 +100,9 @@ void vvp_rnmos_s::set(vvp_ipoint_t ptr, functor_t fp, bool push)
/* /*
* $Log: npmos.cc,v $ * $Log: npmos.cc,v $
* Revision 1.4 2001/10/24 03:18:52 steve
* npmos outputs have 3bit strengths, not 2.
*
* Revision 1.3 2001/10/18 17:30:26 steve * Revision 1.3 2001/10/18 17:30:26 steve
* Support rnpmos devices. (Philip Blundell) * Support rnpmos devices. (Philip Blundell)
* *