// license:BSD-3-Clause
// copyright-holders:Mirko Buffoni
/*************************************************************************
Bomb Jack
*************************************************************************/
#include "machine/gen_latch.h"
class bombjack_state : public driver_device
{
public:
bombjack_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_palette(*this, "palette"),
m_soundlatch(*this, "soundlatch") { }
DECLARE_READ8_MEMBER(soundlatch_read_and_clear);
DECLARE_WRITE8_MEMBER(irq_mask_w);
DECLARE_WRITE8_MEMBER(bombjack_videoram_w);
DECLARE_WRITE8_MEMBER(bombjack_colorram_w);
DECLARE_WRITE8_MEMBER(bombjack_background_w);
DECLARE_WRITE8_MEMBER(bombjack_flipscreen_w);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update_bombjack(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER(vblank_irq);
TIMER_CALLBACK_MEMBER(soundlatch_callback);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
void bombjack(machine_config &config);
void audio_io_map(address_map &map);
void audio_map(address_map &map);
void main_map(address_map &map);
private:
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_colorram;
required_shared_ptr<uint8_t> m_spriteram;
/* video-related */
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
uint8_t m_background_image;
bool m_nmi_mask;
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch;
};