// license:BSD-3-Clause
// copyright-holders:Curt Coder
#pragma once
#ifndef __HX20__
#define __HX20__
#include "bus/rs232/rs232.h"
#include "cpu/m6800/m6800.h"
#include "imagedev/cassette.h"
#include "bus/epson_sio/epson_sio.h"
#include "machine/mc146818.h"
#include "machine/ram.h"
#include "video/upd7227.h"
#include "sound/speaker.h"
#include "rendlay.h"
#define HD6301V1_MAIN_TAG "8g"
#define HD6301V1_SLAVE_TAG "6d"
#define MC146818_TAG "6g"
#define UPD7227_0_TAG "lcdc0"
#define UPD7227_1_TAG "lcdc1"
#define UPD7227_2_TAG "lcdc2"
#define UPD7227_3_TAG "lcdc3"
#define UPD7227_4_TAG "lcdc4"
#define UPD7227_5_TAG "lcdc5"
#define SPEAKER_TAG "speaker"
#define CASSETTE_TAG "cassette"
#define RS232_TAG "rs232"
#define SCREEN_TAG "screen"
class hx20_state : public driver_device
{
public:
hx20_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, HD6301V1_MAIN_TAG),
m_subcpu(*this, HD6301V1_SLAVE_TAG),
m_rtc(*this, MC146818_TAG),
m_lcdc0(*this, UPD7227_0_TAG),
m_lcdc1(*this, UPD7227_1_TAG),
m_lcdc2(*this, UPD7227_2_TAG),
m_lcdc3(*this, UPD7227_3_TAG),
m_lcdc4(*this, UPD7227_4_TAG),
m_lcdc5(*this, UPD7227_5_TAG),
m_speaker(*this, SPEAKER_TAG),
m_cassette(*this, CASSETTE_TAG),
m_rs232(*this, RS232_TAG),
m_sio(*this, "sio"),
m_ksc0(*this, "KSC0"),
m_ksc1(*this, "KSC1"),
m_ksc2(*this, "KSC2"),
m_ksc3(*this, "KSC3"),
m_ksc4(*this, "KSC4"),
m_ksc5(*this, "KSC5"),
m_ksc6(*this, "KSC6"),
m_ksc7(*this, "KSC7"),
m_sw6(*this, "SW6"),
m_slave_rx(1),
m_slave_tx(1),
m_slave_flag(1),
m_rtc_irq(CLEAR_LINE),
m_kbrequest(1)
{ }
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_subcpu;
required_device<mc146818_device> m_rtc;
required_device<upd7227_device> m_lcdc0;
required_device<upd7227_device> m_lcdc1;
required_device<upd7227_device> m_lcdc2;
required_device<upd7227_device> m_lcdc3;
required_device<upd7227_device> m_lcdc4;
required_device<upd7227_device> m_lcdc5;
required_device<speaker_sound_device> m_speaker;
required_device<cassette_image_device> m_cassette;
required_device<rs232_port_device> m_rs232;
required_device<epson_sio_device> m_sio;
required_ioport m_ksc0;
required_ioport m_ksc1;
required_ioport m_ksc2;
required_ioport m_ksc3;
required_ioport m_ksc4;
required_ioport m_ksc5;
required_ioport m_ksc6;
required_ioport m_ksc7;
required_ioport m_sw6;
virtual void machine_start() override;
DECLARE_PALETTE_INIT(hx20);
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE8_MEMBER( ksc_w );
DECLARE_READ8_MEMBER( krtn07_r );
DECLARE_READ8_MEMBER( krtn89_r );
DECLARE_WRITE8_MEMBER( lcd_cs_w );
DECLARE_WRITE8_MEMBER( lcd_data_w );
DECLARE_READ8_MEMBER( main_p1_r );
DECLARE_WRITE8_MEMBER( main_p1_w );
DECLARE_READ8_MEMBER( main_p2_r );
DECLARE_WRITE8_MEMBER( main_p2_w );
DECLARE_READ8_MEMBER( slave_p1_r );
DECLARE_WRITE8_MEMBER( slave_p1_w );
DECLARE_READ8_MEMBER( slave_p2_r );
DECLARE_WRITE8_MEMBER( slave_p2_w );
DECLARE_READ8_MEMBER( slave_p3_r );
DECLARE_WRITE8_MEMBER( slave_p3_w );
DECLARE_READ8_MEMBER( slave_p4_r );
DECLARE_WRITE8_MEMBER( slave_p4_w );
DECLARE_WRITE_LINE_MEMBER( rtc_irq_w );
DECLARE_WRITE_LINE_MEMBER( sio_rx_w ) { m_sio_rx = state; }
DECLARE_WRITE_LINE_MEMBER( sio_pin_w ) { m_sio_pin = state; }
void update_interrupt();
// CPU state
int m_slave_sio;
int m_slave_rx;
int m_slave_tx;
int m_slave_flag;
int m_rtc_irq;
// keyboard state
UINT8 m_ksc;
int m_kbrequest;
// video state
UINT8 m_lcd_data;
// sio state
int m_sio_rx;
int m_sio_pin;
};
#endif