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// license:BSD-3-Clause
// copyright-holders:AJR
#ifndef MAME_MACHINE_AMPEX210_KBD_H
#define MAME_MACHINE_AMPEX210_KBD_H
#include "cpu/mcs48/mcs48.h"
class ampex230_keyboard_device : public device_t
{
public:
// construction/destruction
ampex230_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
// callback configuration
auto data_out_callback() { return m_data_out_callback.bind(); }
auto clock_out_callback() { return m_clock_out_callback.bind(); }
// external control input
DECLARE_WRITE_LINE_MEMBER(strobe_w);
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_resolve_objects() override;
virtual void device_start() override;
private:
// MCU port handlers
u8 bus_r();
void p1_w(u8 data);
void p2_w(u8 data);
// callback objects
devcb_write_line m_data_out_callback;
devcb_write_line m_clock_out_callback;
// device finders
required_device<mcs48_cpu_device> m_mcu;
required_ioport_array<14> m_key_row;
u16 m_key_scan;
};
// device type declaration
DECLARE_DEVICE_TYPE(AMPEX230_KEYBOARD, ampex230_keyboard_device)
#endif // MAME_MACHINE_AMPEX210_KBD_H
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