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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Visual 1050 keyboard emulation
*********************************************************************/
#ifndef MAME_MACHINE_V1050KB_H
#define MAME_MACHINE_V1050KB_H
#pragma once
#include "cpu/mcs48/mcs48.h"
#include "sound/discrete.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> V1050_keyboard_device
class v1050_keyboard_device : public device_t
{
public:
// construction/destruction
v1050_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// device flags
static constexpr feature_type imperfect_features() { return feature::KEYBOARD; }
auto out_tx_handler() { return m_out_tx_handler.bind(); }
DECLARE_WRITE_LINE_MEMBER( si_w );
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
private:
required_device<i8049_device> m_maincpu;
required_device<discrete_sound_device> m_discrete;
required_ioport_array<12> m_y;
devcb_write_line m_out_tx_handler;
output_finder<> m_led;
uint8_t m_keylatch;
DECLARE_READ8_MEMBER( kb_p1_r );
DECLARE_WRITE8_MEMBER( kb_p1_w );
DECLARE_WRITE8_MEMBER( kb_p2_w );
};
// device type definition
DECLARE_DEVICE_TYPE(V1050_KEYBOARD, v1050_keyboard_device)
#endif // MAME_MACHINE_V1050KB_H
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