libsidplayfp 1.0.3
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00001 /* 00002 * This file is part of libsidplayfp, a SID player engine. 00003 * 00004 * Copyright 2011-2013 Leandro Nini <drfiemost@users.sourceforge.net> 00005 * Copyright 2007-2010 Antti Lankila 00006 * Copyright 2001 Simon White 00007 * 00008 * This program is free software; you can redistribute it and/or modify 00009 * it under the terms of the GNU General Public License as published by 00010 * the Free Software Foundation; either version 2 of the License, or 00011 * (at your option) any later version. 00012 * 00013 * This program is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 * GNU General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU General Public License 00019 * along with this program; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00021 */ 00022 00023 #ifndef C64VIC_H 00024 #define C64VIC_H 00025 00026 // The VIC emulation is very generic and here we need to effectively 00027 // wire it into the computer (like adding a chip to a PCB). 00028 00029 #include "Banks/Bank.h" 00030 #include "sidplayfp/c64/c64env.h" 00031 #include "sidplayfp/sidendian.h" 00032 #include "VIC_II/mos656x.h" 00033 00038 class c64vic: public MOS656X, public Bank 00039 { 00040 private: 00041 c64env &m_env; 00042 00043 protected: 00044 void interrupt(bool state) 00045 { 00046 m_env.interruptIRQ (state); 00047 } 00048 00049 void setBA(bool state) 00050 { 00051 m_env.setBA (state); 00052 } 00053 00054 public: 00055 c64vic(c64env *env) : 00056 MOS656X(&(env->context ())), 00057 m_env(*env) {} 00058 00059 void poke(uint_least16_t address, uint8_t value) 00060 { 00061 write(endian_16lo8(address), value); 00062 } 00063 00064 uint8_t peek(uint_least16_t address) 00065 { 00066 return read(endian_16lo8(address)); 00067 } 00068 00069 const char *error() const { return ""; } 00070 }; 00071 00072 #endif // C64VIC_H