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92 lines
2.5 KiB
92 lines
2.5 KiB
/***************************************************************************
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* Copyright (C) 2004 by David Saxton *
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* david@bluehaze.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "fulladder.h"
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#include "logic.h"
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#include "libraryitem.h"
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#include <kiconloader.h>
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#include <tdelocale.h>
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Item* FullAdder::construct( ItemDocument *itemDocument, bool newItem, const char *id )
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{
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return new FullAdder( (ICNDocument*)itemDocument, newItem, id );
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}
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LibraryItem* FullAdder::libraryItem()
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{
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return new LibraryItem(
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TQString("ec/adder"),
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i18n("Adder"),
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i18n("Integrated Circuits"),
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"ic1.png",
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LibraryItem::lit_component,
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FullAdder::construct
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);
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}
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FullAdder::FullAdder( ICNDocument *icnDocument, bool newItem, const char *id )
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: Component( icnDocument, newItem, (id) ? id : "adder" )
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{
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m_name = i18n("Adder");
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// m_desc = i18n("Insert missing adder help here.");
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ALogic = BLogic = inLogic = 0l;
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outLogic = SLogic = 0l;
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TQStringList pins = TQStringList::split( ',', "A,B,>,,S,C", true );
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initDIPSymbol( pins, 48 );
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initDIP(pins);
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ECNode *node;
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node = ecNodeWithID("S");
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SLogic = createLogicOut( node, false );
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node = ecNodeWithID("C");
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outLogic = createLogicOut( node, false );
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node = ecNodeWithID("A");
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ALogic = createLogicIn(node);
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node = ecNodeWithID("B");
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BLogic = createLogicIn(node);
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node = ecNodeWithID(">");
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inLogic = createLogicIn(node);
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ALogic->setCallback( this, (CallbackPtr)(&FullAdder::inStateChanged) );
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BLogic->setCallback( this, (CallbackPtr)(&FullAdder::inStateChanged) );
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inLogic->setCallback( this, (CallbackPtr)(&FullAdder::inStateChanged) );
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}
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FullAdder::~FullAdder()
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{
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}
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void FullAdder::inStateChanged( bool /*state*/ )
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{
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const bool A = ALogic->isHigh();
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const bool B = BLogic->isHigh();
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const bool in = inLogic->isHigh();
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const bool out = (!A && B && in) || (A && !B && in) || (A && B);
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const bool S = (!A && !B && in) || (!A && B && !in) || (A && !B && !in) || (A && B && in);
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SLogic->setHigh(S);
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outLogic->setHigh(out);
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}
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