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// license: BSD-3-Clause
// copyright-holders: Dirk Best
/***************************************************************************
Digilog protocol anaylzer keyboard
***************************************************************************/
#ifndef MAME_MACHINE_DIGILOG_KBD_H
#define MAME_MACHINE_DIGILOG_KBD_H
#pragma once
#include "cpu/mcs48/mcs48.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> digilog_kbd_device
class digilog_kbd_device : public device_t
{
public:
// construction/destruction
digilog_kbd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
// callbacks
auto tx_handler() { return m_tx_handler.bind(); }
protected:
// device_t 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;
virtual void device_start() override;
virtual void device_reset() override;
private:
required_device<i8748_device> m_mcu;
required_ioport_array<16> m_keys;
uint8_t bus_r();
void bus_w(uint8_t data);
int t0_r();
void p1_w(uint8_t data);
uint8_t p2_r();
devcb_write_line m_tx_handler;
uint8_t m_bus;
uint8_t m_key_row;
};
// device type definition
DECLARE_DEVICE_TYPE(DIGILOG_KBD, digilog_kbd_device)
#endif // MAME_MACHINE_DIGILOG_KBD_H
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