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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Amstrad PC1512 Keyboard emulation
**********************************************************************/
#ifndef MAME_MACHINE_PC1512KB_H
#define MAME_MACHINE_PC1512KB_H
#pragma once
#include "bus/vcs_ctrl/ctrl.h"
#include "cpu/mcs48/mcs48.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define PC1512_KEYBOARD_TAG "kb"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_PC1512_KEYBOARD_CLOCK_CALLBACK(_write) \
devcb = &downcast<pc1512_keyboard_device &>(*device).set_clock_wr_callback(DEVCB_##_write);
#define MCFG_PC1512_KEYBOARD_DATA_CALLBACK(_write) \
devcb = &downcast<pc1512_keyboard_device &>(*device).set_data_wr_callback(DEVCB_##_write);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> pc1512_keyboard_device
class pc1512_keyboard_device : public device_t
{
public:
// construction/destruction
pc1512_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template <class Object> devcb_base &set_clock_wr_callback(Object &&cb) { return m_write_clock.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_data_wr_callback(Object &&cb) { return m_write_data.set_callback(std::forward<Object>(cb)); }
DECLARE_WRITE_LINE_MEMBER( data_w );
DECLARE_WRITE_LINE_MEMBER( clock_w );
DECLARE_WRITE_LINE_MEMBER( m1_w );
DECLARE_WRITE_LINE_MEMBER( m2_w );
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) 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:
enum
{
LED_CAPS = 0,
LED_NUM
};
required_device<cpu_device> m_maincpu;
required_device<vcs_control_port_device> m_joy;
required_ioport_array<11> m_y;
devcb_write_line m_write_clock;
devcb_write_line m_write_data;
int m_data_in;
int m_clock_in;
int m_kb_y;
int m_joy_com;
int m_m1;
int m_m2;
emu_timer *m_reset_timer;
DECLARE_READ8_MEMBER( kb_bus_r );
DECLARE_WRITE8_MEMBER( kb_p1_w );
DECLARE_READ8_MEMBER( kb_p2_r );
DECLARE_WRITE8_MEMBER( kb_p2_w );
DECLARE_READ_LINE_MEMBER( kb_t0_r );
DECLARE_READ_LINE_MEMBER( kb_t1_r );
};
// device type definition
DECLARE_DEVICE_TYPE(PC1512_KEYBOARD, pc1512_keyboard_device)
#endif // MAME_MACHINE_PC1512KB_H
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