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// license:BSD-3-Clause
// copyright-holders:Curt Coder
#ifndef MAME_INCLUDES_ELF_H
#define MAME_INCLUDES_ELF_H
#pragma once
#include "cpu/cosmac/cosmac.h"
#include "imagedev/cassette.h"
#include "imagedev/snapquik.h"
#include "machine/mm74c922.h"
#include "video/cdp1861.h"
#include "video/dm9368.h"
#include "machine/rescap.h"
#include "machine/ram.h"
#define SCREEN_TAG "screen"
#define CDP1802_TAG "a6"
#define CDP1861_TAG "a14"
#define MM74C923_TAG "a10"
#define DM9368_L_TAG "a12"
#define DM9368_H_TAG "a8"
class elf2_state : public driver_device
{
public:
elf2_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, CDP1802_TAG)
, m_vdc(*this, CDP1861_TAG)
, m_kb(*this, MM74C923_TAG)
, m_led_l(*this, DM9368_L_TAG)
, m_led_h(*this, DM9368_H_TAG)
, m_cassette(*this, "cassette")
, m_ram(*this, RAM_TAG)
, m_special(*this, "SPECIAL")
, m_7segs(*this, "digit%u", 0U)
, m_led(*this, "led0")
{ }
void elf2(machine_config &config);
DECLARE_INPUT_CHANGED_MEMBER( input_w );
private:
uint8_t dispon_r();
uint8_t data_r();
void data_w(uint8_t data);
void memory_w(offs_t offset, uint8_t data);
DECLARE_READ_LINE_MEMBER( wait_r );
DECLARE_READ_LINE_MEMBER( clear_r );
DECLARE_READ_LINE_MEMBER( ef4_r );
DECLARE_WRITE_LINE_MEMBER( q_w );
uint8_t dma_r();
void sc_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER( da_w );
template <unsigned N> void digit_w(uint8_t data) { m_7segs[N] = data; }
DECLARE_QUICKLOAD_LOAD_MEMBER( quickload_cb );
void elf2_io(address_map &map);
void elf2_mem(address_map &map);
virtual void machine_start() override;
required_device<cosmac_device> m_maincpu;
required_device<cdp1861_device> m_vdc;
required_device<mm74c922_device> m_kb;
required_device<dm9368_device> m_led_l;
required_device<dm9368_device> m_led_h;
required_device<cassette_image_device> m_cassette;
required_device<ram_device> m_ram;
required_ioport m_special;
output_finder<2> m_7segs;
output_finder<> m_led;
// display state
uint8_t m_data;
};
#endif
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