mirror of
https://github.com/0ldsk00l/nestopia.git
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127 lines
2.7 KiB
C++
127 lines
2.7 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////
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//
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// Nestopia - NES/Famicom emulator written in C++
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//
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// Copyright (C) 2003-2008 Martin Freij
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//
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// This file is part of Nestopia.
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//
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// Nestopia 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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// Nestopia is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Nestopia; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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////////////////////////////////////////////////////////////////////////////////////////
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#ifndef NST_IO_MAP_H
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#define NST_IO_MAP_H
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#include "NstIoPort.hpp"
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#ifdef NST_PRAGMA_ONCE
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#pragma once
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#endif
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namespace Nes
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{
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namespace Core
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{
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namespace Io
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{
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template<dword N> class Map
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{
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public:
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enum
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{
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SIZE = N,
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OVERFLOW_SIZE = 0x100,
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FULL_SIZE = SIZE + OVERFLOW_SIZE
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};
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protected:
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Port ports[FULL_SIZE];
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public:
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class Section
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{
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Port* NST_RESTRICT port;
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const Port* const end;
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public:
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Section(Port* b,const Port* e)
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: port(b), end(e) {}
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template<typename A,typename B,typename C>
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void Set(A a,B b,C c)
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{
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do
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{
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port->Set( a, b, c );
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}
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while (++port != end);
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}
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template<typename A,typename B>
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void Set(A a,B b)
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{
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do
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{
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port->Set( a, b );
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}
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while (++port != end);
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}
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template<typename A>
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void Set(A a)
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{
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do
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{
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port->Set( a );
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}
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while (++port != end);
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}
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};
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template<typename A,typename B,typename C>
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Map(A a,B b,C c)
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{
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for (dword i=SIZE; i < FULL_SIZE; ++i)
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ports[i].Set( a, b, c );
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}
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const Port& operator [] (Address address) const
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{
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NST_ASSERT( address < FULL_SIZE );
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return ports[address];
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}
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Port& operator () (Address address)
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{
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NST_ASSERT( address < FULL_SIZE );
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return ports[address];
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}
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Section operator () (Address first,Address last)
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{
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NST_ASSERT( first <= last && last < SIZE );
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return Section( ports + first, ports + last + 1 );
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}
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};
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}
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}
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}
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#endif
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