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// license:BSD-3-Clause
// copyright-holders:Devin Acker
/***************************************************************************
gew7.h
Yamaha GEW7, GEW7I, GEW7S (65c02-based)
***************************************************************************/
#ifndef MAME_CPU_M6502_GEW7_H
#define MAME_CPU_M6502_GEW7_H
#include "m6502mcu.h"
#include "w65c02.h"
#include "sound/gew7.h"
class gew7_device : public m6502_mcu_device_base<w65c02_device>, public device_mixer_interface
{
public:
gew7_device(const machine_config& mconfig, const char* tag, device_t* owner, uint32_t clock);
template<offs_t Num> auto port_in_cb() { return m_in_cb[Num].bind(); }
template<offs_t Num> auto port_out_cb() { return m_out_cb[Num].bind(); }
void port_force_bits(offs_t num, u8 bits, u8 mask);
protected:
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
virtual void internal_update(u64 current_time) override;
using m6502_mcu_device_base<w65c02_device>::internal_update;
u8 timer_stat_r();
void timer_stat_w(u8 data);
void timer_en_w(u8 data);
u8 timer_count_r(offs_t offset);
void timer_count_w(offs_t offset, u8 data);
u64 timer_update(int num, u64 current_time);
void bank_w(offs_t offset, u8 data);
u8 port_r(offs_t offset);
void port_w(offs_t offset, u8 data);
u8 port_ddr_r(offs_t offset);
void port_ddr_w(offs_t offset, u8 data);
void internal_map(address_map &map) ATTR_COLD;
u8 m_timer_stat, m_timer_en;
u16 m_timer_count[2];
u64 m_timer_base[2];
devcb_read8::array<6> m_in_cb;
devcb_write8::array<6> m_out_cb;
u8 m_port_data[6];
u8 m_port_ddr[6];
u8 m_port_force_bits[6];
u8 m_port_force_mask[6];
required_memory_region m_rom;
required_memory_bank_array<2> m_bank;
u8 m_bank_mask;
required_device<gew7_pcm_device> m_pcm;
};
DECLARE_DEVICE_TYPE(GEW7, gew7_device)
#endif // MAME_CPU_M6502_GEW7_H
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