blob: 5f882503cbb57ec33f4bb64057c75ace58b0b14a (
plain) (
tree)
|
|
// license:BSD-3-Clause
// copyright-holders:Carl
#ifndef MAME_MACHINE_M24_KBD_H
#define MAME_MACHINE_M24_KBD_H
#pragma once
#include "cpu/mcs48/mcs48.h"
class m24_keyboard_device : public device_t
{
public:
m24_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
auto out_data_handler() { return m_out_data.bind(); }
DECLARE_WRITE_LINE_MEMBER(clock_w);
DECLARE_WRITE_LINE_MEMBER(data_w);
protected:
void device_start() override;
void device_reset() override;
void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
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_ioport_array<16> m_rows;
required_ioport m_mousebtn;
uint8_t m_p1;
bool m_keypress, m_kbcdata;
devcb_write_line m_out_data;
required_device<i8049_device> m_mcu;
emu_timer *m_reset_timer;
void bus_w(uint8_t data);
uint8_t p1_r();
void p1_w(uint8_t data);
uint8_t p2_r();
DECLARE_READ_LINE_MEMBER(t0_r);
DECLARE_READ_LINE_MEMBER(t1_r);
};
DECLARE_DEVICE_TYPE(M24_KEYBOARD, m24_keyboard_device)
#endif // MAME_MACHINE_M24_KBD_H
|