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// license:BSD-3-Clause
// copyright-holders:David Haywood, Jonathan Gevaryahu
#ifndef MAME_MACHINE_TAITOCCHIP_H
#define MAME_MACHINE_TAITOCCHIP_H
#pragma once
#include "machine/bankdev.h"
DECLARE_DEVICE_TYPE(TAITO_CCHIP, taito_cchip_device)
class taito_cchip_device : public device_t
{
public:
// construction/destruction
taito_cchip_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
auto in_pa_callback() { return m_in_pa_cb.bind(); }
auto in_pb_callback() { return m_in_pb_cb.bind(); }
auto in_pc_callback() { return m_in_pc_cb.bind(); }
auto in_ad_callback() { return m_in_ad_cb.bind(); }
auto out_pa_callback() { return m_out_pa_cb.bind(); }
auto out_pb_callback() { return m_out_pb_cb.bind(); }
auto out_pc_callback() { return m_out_pc_cb.bind(); }
// can be accessed externally
u8 asic_r(offs_t offset);
void asic_w(offs_t offset, u8 data);
void asic68_w(offs_t offset, u8 data);
u8 mem_r(offs_t offset);
void mem_w(offs_t offset, u8 data);
u8 mem68_r(offs_t offset);
void mem68_w(offs_t offset, u8 data);
void ext_interrupt(int state);
protected:
void cchip_map(address_map &map);
void cchip_ram_bank(address_map &map);
void cchip_ram_bank68(address_map &map);
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_resolve_objects() override;
virtual void device_start() override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_reset() override;
private:
u8 m_asic_ram[4];
required_device<cpu_device> m_upd7811;
required_device<address_map_bank_device> m_upd4464_bank;
required_device<address_map_bank_device> m_upd4464_bank68;
required_shared_ptr<u8> m_upd4464;
devcb_read8 m_in_pa_cb;
devcb_read8 m_in_pb_cb;
devcb_read8 m_in_pc_cb;
devcb_read8 m_in_ad_cb;
devcb_write8 m_out_pa_cb;
devcb_write8 m_out_pb_cb;
devcb_write8 m_out_pc_cb;
};
#endif // MAME_MACHINE_TAITOCCHIP_H
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