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/**CFile****************************************************************
FileName [npnUtil.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName []
Synopsis []
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: npnUtil.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "extra.h"
#include "npn.h"
#include "vec.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Npn_StartTruth8( uint8 uTruths[][32] )
{
// elementary truth tables
static uint8 Signs[3] = {
0xAA, // 1010 1010
0xCC, // 1100 1100
0xF0 // 1111 0000
};
int v, i, nShift;
for ( v = 0; v < 3; v++ )
for ( i = 0; i < 32; i++ )
uTruths[v][i] = Signs[v];
for ( v = 3; v < 8; v++ )
{
nShift = (1 << (v-3));
for ( i = 0; i < 32; i++, i = (i % nShift)? i : i + nShift )
{
uTruths[v][i] = 0;
uTruths[v][i + nShift] = 0xFF;
}
}
/*
for ( v = 0; v < 8; v++ )
{
Extra_PrintBinary( stdout, (unsigned int*)uTruths[v], 90 );
printf( "\n" );
}
*/
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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