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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Visual 1050 keyboard emulation
*********************************************************************/
#pragma once
#ifndef __V1050_KEYBOARD__
#define __V1050_KEYBOARD__
#include "emu.h"
#include "cpu/mcs48/mcs48.h"
#include "sound/discrete.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_V1050_KEYBOARD_OUT_TX_HANDLER(_devcb) \
devcb = &v1050_keyboard_device::set_out_tx_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// 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);
template<class _Object> static devcb_base &set_out_tx_handler(device_t &device, _Object object) { return downcast<v1050_keyboard_device &>(device).m_out_tx_handler.set_callback(object); }
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual machine_config_constructor device_mconfig_additions() const override;
virtual ioport_constructor device_input_ports() const override;
DECLARE_WRITE_LINE_MEMBER( si_w );
// not really public
DECLARE_READ8_MEMBER( kb_p1_r );
DECLARE_WRITE8_MEMBER( kb_p1_w );
DECLARE_WRITE8_MEMBER( kb_p2_w );
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
required_device<cpu_device> m_maincpu;
required_device<discrete_sound_device> m_discrete;
required_ioport_array<12> m_y;
devcb_write_line m_out_tx_handler;
uint8_t m_keylatch;
};
// device type definition
extern const device_type V1050_KEYBOARD;
#endif
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