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-rw-r--r--src/base/abci/abc.c6
-rw-r--r--src/base/abci/abcPrint.c112
2 files changed, 117 insertions, 1 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 63d22148..f2348d34 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -1878,13 +1878,17 @@ int Abc_CommandPrintKMap( Abc_Frame_t * pAbc, int argc, char ** argv )
goto usage;
}
}
+ if ( argc == globalUtilOptind + 2 )
+ {
+ Abc_NtkShow6VarFunc( argv[globalUtilOptind], argv[globalUtilOptind+1] );
+ return 0;
+ }
if ( pNtk == NULL )
{
Abc_Print( -1, "Empty network.\n" );
return 1;
}
-
if ( !Abc_NtkIsLogic(pNtk) )
{
Abc_Print( -1, "Visualization of Karnaugh maps works for logic networks.\n" );
diff --git a/src/base/abci/abcPrint.c b/src/base/abci/abcPrint.c
index 352ddf52..9e2f48d3 100644
--- a/src/base/abci/abcPrint.c
+++ b/src/base/abci/abcPrint.c
@@ -1384,6 +1384,118 @@ float Abc_NtkMfsTotalGlitching( Abc_Ntk_t * pNtk )
return nSwitches ? 100.0*(nGlitches-nSwitches)/nSwitches : 0.0;
}
+/**Function*************************************************************
+
+ Synopsis [Prints K-map of 6-var function represented by truth table.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_Show6VarFunc( word F0, word F1 )
+{
+ // order of cells in the Karnaugh map
+// int Cells[8] = { 0, 1, 3, 2, 6, 7, 5, 4 };
+ int Cells[8] = { 0, 4, 6, 2, 3, 7, 5, 1 };
+ // intermediate variables
+ int s; // symbol counter
+ int h; // horizontal coordinate;
+ int v; // vertical coordinate;
+ assert( (F0 & F1) == 0 );
+
+ // output minterms above
+ for ( s = 0; s < 4; s++ )
+ printf( " " );
+ printf( " " );
+ for ( h = 0; h < 8; h++ )
+ {
+ for ( s = 0; s < 3; s++ )
+ printf( "%d", ((Cells[h] >> (2-s)) & 1) );
+ printf( " " );
+ }
+ printf( "\n" );
+
+ // output horizontal line above
+ for ( s = 0; s < 4; s++ )
+ printf( " " );
+ printf( "+" );
+ for ( h = 0; h < 8; h++ )
+ {
+ for ( s = 0; s < 3; s++ )
+ printf( "-" );
+ printf( "+" );
+ }
+ printf( "\n" );
+
+ // output lines with function values
+ for ( v = 0; v < 8; v++ )
+ {
+ for ( s = 0; s < 3; s++ )
+ printf( "%d", ((Cells[v] >> (2-s)) & 1) );
+ printf( " |" );
+
+ for ( h = 0; h < 8; h++ )
+ {
+ printf( " " );
+ if ( ((F0 >> ((Cells[v]*8)+Cells[h])) & 1) )
+ printf( "0" );
+ else if ( ((F1 >> ((Cells[v]*8)+Cells[h])) & 1) )
+ printf( "1" );
+ else
+ printf( " " );
+ printf( " |" );
+ }
+ printf( "\n" );
+
+ // output horizontal line above
+ for ( s = 0; s < 4; s++ )
+ printf( " " );
+// printf( "%c", v == 7 ? '+' : '|' );
+ printf( "+" );
+ for ( h = 0; h < 8; h++ )
+ {
+ for ( s = 0; s < 3; s++ )
+ printf( "-" );
+// printf( "%c", v == 7 ? '+' : '|' );
+ printf( "%c", (v == 7 || h == 7) ? '+' : '|' );
+ }
+ printf( "\n" );
+ }
+}
+
+/**Function*************************************************************
+
+ Synopsis [Prints K-map of 6-var function represented by truth table.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkShow6VarFunc( char * pF0, char * pF1 )
+{
+ word F0, F1;
+ if ( strlen(pF0) != 16 )
+ {
+ printf( "Wrong length (%d) of 6-var truth table (%s).\n", strlen(pF0), pF0 );
+ return;
+ }
+ if ( strlen(pF1) != 16 )
+ {
+ printf( "Wrong length (%d) of 6-var truth table (%s).\n", strlen(pF1), pF1 );
+ return;
+ }
+ Extra_ReadHexadecimal( (unsigned *)&F0, pF0, 6 );
+ Extra_ReadHexadecimal( (unsigned *)&F1, pF1, 6 );
+ Abc_Show6VarFunc( F0, F1 );
+}
+
+
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////