//////////////////////////////////////////////////////////////////////////////////////// // // Nestopia - NES/Famicom emulator written in C++ // // Copyright (C) 2003-2008 Martin Freij // // This file is part of Nestopia. // // Nestopia 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. // // Nestopia 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 Nestopia; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // //////////////////////////////////////////////////////////////////////////////////////// #include "NstBoard.hpp" #include "NstBoardMmc3.hpp" #include "NstBoardSuperGameBoogerman.hpp" namespace Nes { namespace Core { namespace Boards { namespace SuperGame { #ifdef NST_MSVC_OPTIMIZE #pragma optimize("s", on) #endif void Boogerman::SubReset(const bool hard) { exRegs[0] = 0x00; exRegs[1] = 0xFF; exRegs[2] = 0x04; exRegs[3] = false; Mmc3::SubReset( hard ); Map( 0x5000U, &Boogerman::Poke_5000 ); Map( 0x5001U, &Boogerman::Poke_5001 ); Map( 0x5007U, &Boogerman::Poke_5007 ); if (board != Type::SUPERGAME_MK3E) { Map( 0x6000U, &Boogerman::Poke_5000 ); Map( 0x6001U, &Boogerman::Poke_5001 ); Map( 0x6007U, &Boogerman::Poke_5007 ); } for (uint i=0x0000; i < 0x2000; i += 0x2) { Map( 0x8000U + i, &Boogerman::Poke_8000 ); Map( 0x8001U + i, &Boogerman::Poke_8001 ); Map( 0xA000U + i, &Boogerman::Poke_A000 ); Map( 0xC000U + i, &Boogerman::Poke_C000 ); Map( 0xC001U + i, &Boogerman::Poke_C001 ); Map( 0xE001U + i, &Boogerman::Poke_E001 ); } } void Boogerman::SubLoad(State::Loader& state,const dword baseChunk) { if (baseChunk == AsciiId<'S','B','G'>::V) { while (const dword chunk = state.Begin()) { if (chunk == AsciiId<'R','E','G'>::V) { state.Read( exRegs ); exRegs[3] &= 0x1U; } state.End(); } } else { Mmc3::SubLoad( state, baseChunk ); } } void Boogerman::SubSave(State::Saver& state) const { Mmc3::SubSave( state ); state.Begin( AsciiId<'S','B','G'>::V ).Begin( AsciiId<'R','E','G'>::V ).Write( exRegs ).End().End(); } #ifdef NST_MSVC_OPTIMIZE #pragma optimize("", on) #endif void NST_FASTCALL Boogerman::UpdatePrg(uint address,uint bank) { if (!(exRegs[0] & 0x80U)) { if (exRegs[1] & 0x8U) bank = (bank & 0x1F) | 0x20; else bank = (bank & 0x0F) | (exRegs[1] & 0x10U); prg.SwapBank( address, bank ); } } void NST_FASTCALL Boogerman::UpdateChr(uint address,uint bank) const { if (exRegs[1] & 0x4U) bank = (bank | 0x100); else bank = (bank & 0x7F) | (exRegs[1] << 3 & 0x80U); chr.SwapBank( address, bank ); } void Boogerman::UpdatePrg() { if (exRegs[0] & 0x80U) { uint bank = (exRegs[0] & 0x0FU) | (exRegs[1] & 0x10U); prg.SwapBanks( bank, bank ); } else { Mmc3::UpdatePrg(); } } NES_POKE_D(Boogerman,5000) { if (exRegs[0] != data) { exRegs[0] = data; UpdatePrg(); } } NES_POKE_D(Boogerman,5001) { if (exRegs[1] != data) { exRegs[1] = data; Mmc3::UpdateChr(); } } NES_POKE_D(Boogerman,5007) { regs.ctrl0 = 0; if (exRegs[2] != data) { exRegs[2] = data; UpdatePrg(); Mmc3::UpdateChr(); } } NES_POKE_D(Boogerman,8000) { if (!exRegs[2]) Mmc3::NES_DO_POKE(8000,0x8000,data); } NES_POKE_D(Boogerman,8001) { if (exRegs[2]) { if (exRegs[3] && ((exRegs[0] & 0x80U) == 0 || (regs.ctrl0 & 0x7) < 6)) { exRegs[3] = false; Mmc3::NES_DO_POKE(8001,0x8001,data); } } else { Mmc3::NES_DO_POKE(8001,0x8001,data); } } NES_POKE_D(Boogerman,A000) { if (exRegs[2]) { static const byte security[8] = {0,2,5,3,6,1,7,4}; data = (data & 0xC0) | security[data & 0x07]; exRegs[3] = true; Mmc3::NES_DO_POKE(8000,0x8000,data); } else { SetMirroringHV( data ); } } NES_POKE_D(Boogerman,C000) { if (exRegs[2]) SetMirroringHV( data >> 7 | data ); else Mmc3::NES_DO_POKE(C000,0xC000,data); } NES_POKE_D(Boogerman,C001) { if (exRegs[2]) Mmc3::NES_DO_POKE(E001,0xE001,data); else Mmc3::NES_DO_POKE(C001,0xC001,data); } NES_POKE_D(Boogerman,E001) { if (exRegs[2]) { Mmc3::NES_DO_POKE(C000,0xC000,data); Mmc3::NES_DO_POKE(C001,0xC001,data); } else { Mmc3::NES_DO_POKE(E001,0xE001,data); } } } } } }