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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Microtanic Video 80/82 Board
**********************************************************************/
#ifndef MAME_BUS_TANBUS_TUG8082_H
#define MAME_BUS_TANBUS_TUG8082_H
#pragma once
#include "bus/tanbus/tanbus.h"
#include "cpu/m6502/m6502.h"
#include "machine/i8212.h"
#include "emupal.h"
#include "screen.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class tanbus_tug8082_device :
public device_t,
public device_tanbus_interface
{
public:
static constexpr feature_type imperfect_features() { return feature::GRAPHICS; }
// construction/destruction
tanbus_tug8082_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
virtual ioport_constructor device_input_ports() const override ATTR_COLD;
virtual uint8_t read(offs_t offset, int inhrom, int inhram, int be) override;
virtual void write(offs_t offset, uint8_t data, int inhrom, int inhram, int be) override;
private:
void bus_irq_w(int state);
void vdu_irq_w(int state);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_maincpu;
required_device_array<i8212_device, 2> m_iop;
required_ioport_array<2> m_dips;
required_memory_region m_rom;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_shared_ptr<uint8_t> m_videoram;
void vid8082_map(address_map &map) ATTR_COLD;
};
// device type definition
DECLARE_DEVICE_TYPE(TANBUS_TUG8082, tanbus_tug8082_device)
#endif // MAME_BUS_TANBUS_TUG8082_H
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