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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
#include "emupal.h"
#include "screen.h"
class m52_state : public driver_device
{
public:
m52_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_colorram(*this, "colorram"),
m_spriteram(*this, "spriteram"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette") { }
void m52(machine_config &config);
void alpha1v(machine_config &config);
private:
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_colorram;
optional_shared_ptr<uint8_t> m_spriteram;
/* video-related */
tilemap_t* m_bg_tilemap;
uint8_t m_bg1xpos;
uint8_t m_bg1ypos;
uint8_t m_bg2xpos;
uint8_t m_bg2ypos;
uint8_t m_bgcontrol;
DECLARE_WRITE8_MEMBER(m52_scroll_w);
DECLARE_WRITE8_MEMBER(m52_videoram_w);
DECLARE_WRITE8_MEMBER(m52_colorram_w);
DECLARE_READ8_MEMBER(m52_protection_r);
DECLARE_WRITE8_MEMBER(m52_bg1ypos_w);
DECLARE_WRITE8_MEMBER(m52_bg1xpos_w);
DECLARE_WRITE8_MEMBER(m52_bg2xpos_w);
DECLARE_WRITE8_MEMBER(m52_bg2ypos_w);
DECLARE_WRITE8_MEMBER(m52_bgcontrol_w);
DECLARE_WRITE8_MEMBER(m52_flipscreen_w);
DECLARE_WRITE8_MEMBER(alpha1v_flipscreen_w);
TILE_GET_INFO_MEMBER(get_tile_info);
virtual void machine_reset() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(m52);
uint32_t screen_update_m52(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_background(bitmap_ind16 &bitmap, const rectangle &cliprect, int xpos, int ypos, int image);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
void alpha1v_map(address_map &map);
void main_map(address_map &map);
void main_portmap(address_map &map);
};
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