// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria, Ernesto Corvi
#include "machine/timer.h"
class iqblock_state : public driver_device
{
public:
iqblock_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this,"maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_rambase(*this, "rambase"),
m_bgvideoram(*this, "bgvideoram"),
m_fgvideoram(*this, "fgvideoram") { }
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_shared_ptr<uint8_t> m_rambase;
required_shared_ptr<uint8_t> m_bgvideoram;
required_shared_ptr<uint8_t> m_fgvideoram;
int m_videoenable;
int m_video_type;
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
DECLARE_WRITE8_MEMBER(iqblock_prot_w);
DECLARE_WRITE8_MEMBER(grndtour_prot_w);
DECLARE_WRITE8_MEMBER(irqack_w);
DECLARE_WRITE8_MEMBER(fgvideoram_w);
DECLARE_WRITE8_MEMBER(bgvideoram_w);
DECLARE_WRITE8_MEMBER(fgscroll_w);
DECLARE_WRITE8_MEMBER(port_C_w);
TIMER_DEVICE_CALLBACK_MEMBER(irq);
void init_grndtour();
void init_iqblock();
virtual void video_start() override;
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void iqblock(machine_config &config);
void main_map(address_map &map);
void main_portmap(address_map &map);
};