// license:BSD-3-Clause
// copyright-holders:Angelo Salese, Pierpaolo Prazzoli
#include "video/mc6845.h"
class speedatk_state : public driver_device
{
public:
speedatk_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_crtc(*this, "crtc"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_videoram(*this, "videoram"),
m_colorram(*this, "colorram") { }
required_device<cpu_device> m_maincpu;
required_device<h46505_device> m_crtc;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_colorram;
uint8_t m_crtc_vreg[0x100];
uint8_t m_crtc_index;
uint8_t m_flip_scr;
uint8_t m_mux_data;
uint8_t m_km_status;
uint8_t m_coin_settings;
uint8_t m_coin_impulse;
DECLARE_READ8_MEMBER(key_matrix_r);
DECLARE_WRITE8_MEMBER(key_matrix_w);
DECLARE_READ8_MEMBER(key_matrix_status_r);
DECLARE_WRITE8_MEMBER(key_matrix_status_w);
DECLARE_WRITE8_MEMBER(m6845_w);
DECLARE_WRITE8_MEMBER(output_w);
virtual void machine_start() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(speedatk);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
uint8_t iox_key_matrix_calc(uint8_t p_side);
void speedatk(machine_config &config);
void speedatk_io(address_map &map);
void speedatk_mem(address_map &map);
};