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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_NES_CONY_H
#define MAME_BUS_NES_CONY_H
#pragma once
#include "nxrom.h"
// ======================> nes_cony_device
class nes_cony_device : public nes_nrom_device
{
public:
// construction/destruction
nes_cony_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual u8 read_l(offs_t offset) override;
virtual u8 read_m(offs_t offset) override;
virtual void write_l(offs_t offset, u8 data) override;
virtual void write_m(offs_t offset, u8 data) override;
virtual void write_h(offs_t offset, u8 data) override;
virtual void pcb_reset() override;
protected:
// construction/destruction
nes_cony_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock, u16 extra_addr, u8 mask);
// device-level overrides
virtual void device_start() override;
virtual void set_prg();
virtual void set_chr();
TIMER_CALLBACK_MEMBER(irq_timer_tick);
u16 m_irq_count;
int m_irq_enable;
emu_timer *irq_timer;
u8 m_mmc_prg_bank[4];
u8 m_mmc_vrom_bank[8];
u8 m_extra_ram[4];
const u16 m_extra_addr;
const u8 m_mask;
u8 m_mode_reg;
u8 m_outer_reg;
};
// ======================> nes_cony1k_device
class nes_cony1k_device : public nes_cony_device
{
public:
// construction/destruction
nes_cony1k_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual void set_chr() override;
};
// ======================> nes_yoko_device
class nes_yoko_device : public nes_cony_device
{
public:
// construction/destruction
nes_yoko_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
virtual void write_h(offs_t offset, u8 data) override;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_CONY, nes_cony_device)
DECLARE_DEVICE_TYPE(NES_CONY1K, nes_cony1k_device)
DECLARE_DEVICE_TYPE(NES_YOKO, nes_yoko_device)
#endif // MAME_BUS_NES_CONY_H
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