quickerNES/source/core/mappers/mapper180.hpp

54 lines
1.3 KiB
C++

/* Copyright notice for this file:
* Copyright (C) 2018
*
* 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
*
* This mapper was added by retrowertz for Libretro port of QuickNES.
*
* Mapper 180 Crazy Climber
*
*/
#pragma once
#include "Nes_Mapper.h"
// UxROM (inverted)
class Mapper180 : public Nes_Mapper {
public:
Mapper180()
{
register_state( &bank, 1 );
}
virtual void reset_state()
{ }
virtual void apply_mapping()
{
set_prg_bank( 0x8000, bank_16k, 0 );
write( 0, 0, bank );
}
virtual void write( nes_time_t, nes_addr_t, int data )
{
bank = data;
set_prg_bank( 0xC000, bank_16k, data );
}
uint8_t bank;
};