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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
IBM Model F PC/AT 84-key / 3270PC 122-key keyboard emulation
*********************************************************************/
#ifndef MAME_BUS_PC_KBD_PCAT84_H
#define MAME_BUS_PC_KBD_PCAT84_H
#pragma once
#include "cpu/mcs48/mcs48.h"
#include "pc_kbdc.h"
#include "machine/rescap.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> ibm_pc_at_84_keyboard_device
class ibm_pc_at_84_keyboard_device : public device_t,
public device_pc_kbd_interface
{
public:
// construction/destruction
ibm_pc_at_84_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
ibm_pc_at_84_keyboard_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// 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;
// device_pc_kbd_interface overrides
virtual DECLARE_WRITE_LINE_MEMBER( clock_write ) override { m_maincpu->set_input_line(MCS48_INPUT_IRQ, state); };
virtual DECLARE_WRITE_LINE_MEMBER( data_write ) override { };
private:
DECLARE_WRITE8_MEMBER( bus_w );
DECLARE_READ8_MEMBER( p1_r );
DECLARE_WRITE8_MEMBER( p1_w );
DECLARE_READ8_MEMBER( p2_r );
DECLARE_WRITE8_MEMBER( p2_w );
DECLARE_READ_LINE_MEMBER( t0_r );
DECLARE_READ_LINE_MEMBER( t1_r );
enum
{
LED_SCROLL = 0,
LED_NUM,
LED_CAPS
};
int key_depressed();
required_device<cpu_device> m_maincpu;
required_ioport_array<16> m_dr;
optional_ioport m_kbdida;
optional_ioport m_kbdidb;
output_finder<3> m_led;
uint8_t m_db;
int m_cnt;
int m_sense;
int m_t1;
};
// ======================> ibm_3270pc_122_keyboard_device
class ibm_3270pc_122_keyboard_device : public ibm_pc_at_84_keyboard_device
{
public:
// construction/destruction
ibm_3270pc_122_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual ioport_constructor device_input_ports() const override;
};
// device type definition
DECLARE_DEVICE_TYPE(PC_KBD_IBM_PC_AT_84, ibm_pc_at_84_keyboard_device)
DECLARE_DEVICE_TYPE(PC_KBD_IBM_3270PC_122, ibm_3270pc_122_keyboard_device)
#endif // MAME_BUS_PC_KBD_PCAT84_H
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