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// license:BSD-3-Clause
// copyright-holders:Phil Stroffolino, Aaron Giles, Alex W. Jackson
#ifndef MAME_VIDEO_C45_H
#define MAME_VIDEO_C45_H
#pragma once
#include "tilemap.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> namco_c45_road_device
class namco_c45_road_device : public device_t, public device_gfx_interface, public device_memory_interface
{
public:
// construction/destruction
namco_c45_road_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
void map(address_map &map);
// read/write handlers
DECLARE_READ16_MEMBER( read );
DECLARE_WRITE16_MEMBER( write );
// C45 Land (Road) Emulation
void set_transparent_color(pen_t pen) { m_transparent_color = pen; }
void draw(bitmap_ind16 &bitmap, const rectangle &cliprect, int pri);
protected:
// device-level overrides
virtual void device_start() override;
virtual space_config_vector memory_space_config() const override;
private:
// constants
static constexpr int ROAD_COLS = 64;
static constexpr int ROAD_ROWS = 512;
static constexpr int ROAD_TILE_SIZE = 16;
static constexpr int ROAD_TILEMAP_WIDTH = ROAD_TILE_SIZE * ROAD_COLS;
static constexpr int ROAD_TILEMAP_HEIGHT = ROAD_TILE_SIZE * ROAD_ROWS;
static constexpr int WORDS_PER_ROAD_TILE = 0x40/2;
static const gfx_layout tilelayout;
// internal helpers
DECLARE_GFXDECODE_MEMBER(gfxinfo);
DECLARE_WRITE16_MEMBER( tilemap_w );
DECLARE_WRITE16_MEMBER( tileram_w );
TILE_GET_INFO_MEMBER( get_road_info );
// internal state
address_space_config m_space_config;
required_shared_ptr<uint16_t> m_tmapram;
required_shared_ptr<uint16_t> m_tileram;
required_shared_ptr<uint16_t> m_lineram;
optional_region_ptr<uint8_t> m_clut;
tilemap_t * m_tilemap;
pen_t m_transparent_color;
};
// device type definition
DECLARE_DEVICE_TYPE(NAMCO_C45_ROAD, namco_c45_road_device)
#endif // MAME_VIDEO_C45_H
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