/* * This file is part of libsidplayfp, a SID player engine. * * Copyright 2012-2013 Leandro Nini * Copyright 2010 Antti Lankila * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef BANK_H #define BANK_H #include #include "sidplayfp/siddefs.h" namespace libsidplayfp { /** * Base interface for memory and I/O banks. */ class Bank { public: /** * Bank write. * * Override this method if you expect write operations on your bank. * Leave unimplemented if it's logically/operationally impossible for * writes to ever arrive to bank. * * @param address address to write to * @param value value to write */ virtual void poke(uint_least16_t address, uint8_t value) =0; /** * Bank read. You probably * should override this method, except if the Bank is only used in * write context. * * @param address value to read from * @return value at address */ virtual uint8_t peek(uint_least16_t address) =0; protected: ~Bank() {} }; } #endif