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// license:BSD-3-Clause
// copyright-holders:Phil Bennett
/***************************************************************************
Fairlight CMI Music Keyboard
***************************************************************************/
#ifndef MAME_MACHINE_CMI_MKBD_H
#define MAME_MACHINE_CMI_MKBD_H
#pragma once
#include "machine/6821pia.h"
#include "machine/6850acia.h"
#include "video/dl1416.h"
class cmi_music_keyboard_device : public device_t
{
static const device_timer_id TIMER_CMI10_SCND = 0;
public:
cmi_music_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
auto cmi_txd_handler() { return m_cmi_txd.bind(); }
auto cmi_rts_handler() { return m_cmi_rts.bind(); }
auto kbd_txd_handler() { return m_kbd_txd.bind(); }
auto kbd_rts_handler() { return m_kbd_rts.bind(); }
DECLARE_WRITE_LINE_MEMBER( cmi_rxd_w );
DECLARE_WRITE_LINE_MEMBER( cmi_cts_w );
DECLARE_WRITE_LINE_MEMBER( kbd_rxd_w );
DECLARE_WRITE_LINE_MEMBER( kbd_cts_w );
protected:
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_resolve_objects() override;
virtual void device_start() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
DECLARE_WRITE8_MEMBER( cmi10_u20_a_w );
DECLARE_WRITE8_MEMBER( cmi10_u20_b_w );
DECLARE_READ_LINE_MEMBER( cmi10_u20_cb1_r );
DECLARE_WRITE_LINE_MEMBER( cmi10_u20_cb2_w );
DECLARE_WRITE_LINE_MEMBER( cmi10_u21_cb2_w );
DECLARE_READ8_MEMBER( cmi10_u21_a_r );
DECLARE_WRITE_LINE_MEMBER( kbd_acia_int );
DECLARE_WRITE_LINE_MEMBER( cmi_acia_int );
DECLARE_WRITE_LINE_MEMBER( cmi_txd_w );
DECLARE_WRITE_LINE_MEMBER( cmi_rts_w );
DECLARE_WRITE_LINE_MEMBER( kbd_txd_w );
DECLARE_WRITE_LINE_MEMBER( kbd_rts_w );
template <unsigned N> DECLARE_WRITE16_MEMBER( update_dp );
void muskeys_map(address_map &map);
devcb_write_line m_cmi_txd;
devcb_write_line m_cmi_rts;
devcb_write_line m_kbd_txd;
devcb_write_line m_kbd_rts;
required_device<cpu_device> m_cpu;
required_device<acia6850_device> m_acia_kbd;
required_device<acia6850_device> m_acia_cmi;
required_device<pia6821_device> m_cmi10_pia_u20;
required_device<pia6821_device> m_cmi10_pia_u21;
required_device<dl1416_device> m_dp1;
required_device<dl1416_device> m_dp2;
required_device<dl1416_device> m_dp3;
required_ioport m_keypad_a_port;
required_ioport m_keypad_b_port;
required_ioport_array<3> m_key_mux_ports[4];
output_finder<12> m_digit;
emu_timer *m_cmi10_scnd_timer;
int m_kbd_acia_irq;
int m_cmi_acia_irq;
u8 m_scnd;
};
DECLARE_DEVICE_TYPE(CMI_MUSIC_KEYBOARD, cmi_music_keyboard_device)
#endif // MAME_MACHINE_CMI_MKBD_H
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