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// license:BSD-3-Clause
// copyright-holders:Sven Schnelle
#ifndef MAME_BUS_HPDIO_98543_H
#define MAME_BUS_HPDIO_98543_H
#pragma once
#include "hp_dio.h"
#include "video/topcat.h"
#include "video/nereid.h"
#include "machine/ram.h"
namespace bus::hp_dio {
class dio16_98543_device :
public device_t,
public device_dio16_card_interface,
public device_memory_interface
{
public:
dio16_98543_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
uint16_t rom_r(offs_t offset);
void rom_w(offs_t offset, uint16_t data);
uint16_t ctrl_r(address_space &space, offs_t offset, uint16_t mem_mask = ~0);
void ctrl_w(address_space &space, offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
uint16_t vram_r(offs_t offset, uint16_t mem_mask = ~0);
void vram_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
static constexpr int TOPCAT_COUNT = 4;
required_device_array<topcat_device, TOPCAT_COUNT> m_topcat;
required_device<nereid_device> m_nereid;
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
protected:
dio16_98543_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock);
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual space_config_vector memory_space_config() const override;
private:
WRITE_LINE_MEMBER(vblank_w);
WRITE_LINE_MEMBER(int0_w);
WRITE_LINE_MEMBER(int1_w);
WRITE_LINE_MEMBER(int2_w);
WRITE_LINE_MEMBER(int3_w);
const address_space_config m_space_config;
void map(address_map &map);
void update_int();
static constexpr int m_h_pix = 1024;
static constexpr int m_v_pix = 400;
required_region_ptr<uint8_t> m_rom;
required_shared_ptr<uint8_t> m_vram;
uint8_t m_intreg;
bool m_ints[4];
};
} // namespace bus::hp_dio
// device type definition
DECLARE_DEVICE_TYPE_NS(HPDIO_98543, bus::hp_dio, dio16_98543_device)
#endif // MAME_BUS_HPDIO_98543_H
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