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// license:BSD-3-Clause
// copyright-holders:AJR
#ifndef MAME_MACHINE_TEK410X_KEYBOARD_H
#define MAME_MACHINE_TEK410X_KEYBOARD_H
#pragma once
#include "cpu/mcs48/mcs48.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> tek410x_keyboard_device
class tek410x_keyboard_device : public device_t
{
public:
// device type constructor
tek410x_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
// callback configuration
auto tdata_callback() { return m_tdata_callback.bind(); }
auto rdata_callback() { return m_rdata_callback.bind(); }
// line inputs
DECLARE_WRITE_LINE_MEMBER(kdi_w);
DECLARE_WRITE_LINE_MEMBER(kdo_w);
DECLARE_WRITE_LINE_MEMBER(reset_w);
protected:
// device-level overrides
virtual void device_resolve_objects() override;
virtual void device_start() override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
private:
// MCU handlers
u8 p1_r();
u8 p2_r();
void p2_w(u8 data);
// address maps
void ext_map(address_map &map);
// object finders
required_device<mcs48_cpu_device> m_mcu;
required_ioport_array<12> m_key_matrix;
required_ioport m_config;
// output callbacks
devcb_write_line m_tdata_callback;
devcb_write_line m_rdata_callback;
// internal state
u8 m_select;
u8 m_p2_out;
bool m_kdi;
bool m_kdo;
};
// device type declaration
DECLARE_DEVICE_TYPE(TEK410X_KEYBOARD, tek410x_keyboard_device)
#endif // MAME_MACHINE_TEK410X_KEYBOARD_H
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