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// license:BSD-3-Clause
// copyright-holders:Devin Acker
#ifndef MAME_CPU_ARM7_UPD800468_H
#define MAME_CPU_ARM7_UPD800468_H
#pragma once
#include "arm7.h"
#include "arm7core.h"
#include "machine/gt913_kbd.h"
#include "machine/vic_pl192.h"
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
class upd800468_timer_device : public device_t
{
public:
upd800468_timer_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
auto irq_cb() { return m_irq_cb.bind(); }
u32 rate_r();
void rate_w(u32);
u8 control_r();
void control_w(u8);
protected:
virtual void device_start() override;
virtual void device_reset() override;
TIMER_CALLBACK_MEMBER(irq_timer_tick);
private:
devcb_write_line m_irq_cb;
emu_timer *m_timer;
u32 m_rate;
u8 m_control;
};
class upd800468_device : public arm7_cpu_device
{
public:
upd800468_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
void upd800468_map(address_map &map);
template<offs_t i> auto adc_cb() { return m_adc_cb[i].bind(); }
template<offs_t i> auto port_in_cb() { return m_in_cb[i].bind(); }
template<offs_t i> auto port_out_cb() { return m_out_cb[i].bind(); }
template<offs_t i> u8 port_ddr_r() { return port_ddr_r(i); }
template<offs_t i> void port_ddr_w(u8 data) { port_ddr_w(i, data); }
template<offs_t i> u8 port_r() { return port_r(i); }
template<offs_t i> void port_w(u8 data) { port_w(i, data); }
u32 ram_enable_r();
void ram_enable_w(u32 data);
protected:
u16 adc_r(offs_t);
u8 port_ddr_r(offs_t);
void port_ddr_w(offs_t, u8);
u8 port_r(offs_t);
void port_w(offs_t, u8);
void port_update(offs_t);
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
virtual space_config_vector memory_space_config() const override;
private:
address_space_config m_program_config;
required_device<vic_upd800468_device> m_vic;
required_device_array<upd800468_timer_device, 3> m_timer;
required_device<gt913_kbd_hle_device> m_kbd;
devcb_read16::array<8> m_adc_cb;
devcb_read8::array<4> m_in_cb;
devcb_write8::array<4> m_out_cb;
u8 m_port_ddr[4], m_port_data[4];
memory_view m_ram_view;
u32 m_ram_enable;
};
// device type
DECLARE_DEVICE_TYPE(UPD800468_TIMER, upd800468_timer_device)
DECLARE_DEVICE_TYPE(UPD800468, upd800468_device)
#endif // MAME_CPU_ARM7_UPD800468_H
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