Change *.c and *.h end-of-line character to LF
change eol char to LF using dos2unix
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retro-wertz
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/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2005 CaH4e3
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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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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "mapinc.h"
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static uint8 is_large_banks, hw_switch;
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static uint8 large_bank;
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static uint8 prg_bank;
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static uint8 chr_bank;
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static uint8 bank_mode;
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static uint8 mirroring;
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static SFORMAT StateRegs[] =
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{
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{ &large_bank, 1, "LB" },
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{ &hw_switch, 1, "DPSW" },
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{ &prg_bank, 1, "PRG" },
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{ &chr_bank, 1, "CHR" },
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{ &bank_mode, 1, "BM" },
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{ &mirroring, 1, "MIRR" },
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{ 0 }
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};
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static void Sync(void) {
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switch (bank_mode) {
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case 0x00:
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case 0x10:
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setprg16(0x8000, large_bank | prg_bank);
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setprg16(0xC000, large_bank | 7);
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break;
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case 0x20:
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setprg32(0x8000, (large_bank | prg_bank) >> 1);
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break;
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case 0x30:
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setprg16(0x8000, large_bank | prg_bank);
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setprg16(0xC000, large_bank | prg_bank);
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break;
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}
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setmirror(mirroring);
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if (!is_large_banks)
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setchr8(chr_bank);
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}
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static DECLFR(BMC70in1Read) {
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if (bank_mode == 0x10)
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/* if(is_large_banks) */
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return CartBR((A & 0xFFF0) | hw_switch);
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#if 0
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else
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return CartBR((A&0xFFF0)|hw_switch);
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#endif
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else
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return CartBR(A);
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}
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static DECLFW(BMC70in1Write) {
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if (A & 0x4000) {
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bank_mode = A & 0x30;
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prg_bank = A & 7;
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} else {
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mirroring = ((A & 0x20) >> 5) ^ 1;
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if (is_large_banks)
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large_bank = (A & 3) << 3;
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else
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chr_bank = A & 7;
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}
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Sync();
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}
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static void BMC70in1Reset(void) {
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bank_mode = 0;
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large_bank = 0;
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Sync();
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hw_switch++;
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hw_switch &= 0xf;
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}
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static void BMC70in1Power(void) {
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setchr8(0);
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bank_mode = 0;
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large_bank = 0;
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Sync();
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SetReadHandler(0x8000, 0xFFFF, BMC70in1Read);
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SetWriteHandler(0x8000, 0xffff, BMC70in1Write);
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}
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static void StateRestore(int version) {
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Sync();
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}
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void BMC70in1_Init(CartInfo *info) {
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is_large_banks = 0;
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hw_switch = 0xd;
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info->Power = BMC70in1Power;
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info->Reset = BMC70in1Reset;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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void BMC70in1B_Init(CartInfo *info) {
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is_large_banks = 1;
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hw_switch = 0x6;
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info->Power = BMC70in1Power;
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info->Reset = BMC70in1Reset;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2005 CaH4e3
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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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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "mapinc.h"
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static uint8 is_large_banks, hw_switch;
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static uint8 large_bank;
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static uint8 prg_bank;
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static uint8 chr_bank;
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static uint8 bank_mode;
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static uint8 mirroring;
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static SFORMAT StateRegs[] =
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{
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{ &large_bank, 1, "LB" },
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{ &hw_switch, 1, "DPSW" },
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{ &prg_bank, 1, "PRG" },
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{ &chr_bank, 1, "CHR" },
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{ &bank_mode, 1, "BM" },
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{ &mirroring, 1, "MIRR" },
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{ 0 }
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};
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static void Sync(void) {
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switch (bank_mode) {
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case 0x00:
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case 0x10:
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setprg16(0x8000, large_bank | prg_bank);
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setprg16(0xC000, large_bank | 7);
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break;
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case 0x20:
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setprg32(0x8000, (large_bank | prg_bank) >> 1);
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break;
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case 0x30:
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setprg16(0x8000, large_bank | prg_bank);
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setprg16(0xC000, large_bank | prg_bank);
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break;
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}
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setmirror(mirroring);
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if (!is_large_banks)
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setchr8(chr_bank);
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}
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static DECLFR(BMC70in1Read) {
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if (bank_mode == 0x10)
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/* if(is_large_banks) */
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return CartBR((A & 0xFFF0) | hw_switch);
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#if 0
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else
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return CartBR((A&0xFFF0)|hw_switch);
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#endif
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else
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return CartBR(A);
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}
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static DECLFW(BMC70in1Write) {
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if (A & 0x4000) {
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bank_mode = A & 0x30;
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prg_bank = A & 7;
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} else {
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mirroring = ((A & 0x20) >> 5) ^ 1;
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if (is_large_banks)
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large_bank = (A & 3) << 3;
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else
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chr_bank = A & 7;
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}
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Sync();
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}
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static void BMC70in1Reset(void) {
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bank_mode = 0;
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large_bank = 0;
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Sync();
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hw_switch++;
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hw_switch &= 0xf;
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}
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static void BMC70in1Power(void) {
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setchr8(0);
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bank_mode = 0;
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large_bank = 0;
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Sync();
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SetReadHandler(0x8000, 0xFFFF, BMC70in1Read);
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SetWriteHandler(0x8000, 0xffff, BMC70in1Write);
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}
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static void StateRestore(int version) {
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Sync();
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}
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void BMC70in1_Init(CartInfo *info) {
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is_large_banks = 0;
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hw_switch = 0xd;
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info->Power = BMC70in1Power;
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info->Reset = BMC70in1Reset;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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void BMC70in1B_Init(CartInfo *info) {
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is_large_banks = 1;
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hw_switch = 0x6;
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info->Power = BMC70in1Power;
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info->Reset = BMC70in1Reset;
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GameStateRestore = StateRestore;
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AddExState(&StateRegs, ~0, 0, 0);
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}
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