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// license:BSD-3-Clause
// copyright-holders:Curt Coder
// thanks-to:Kenneth Lin (original driver author)
#define MASTER_CLOCK XTAL_18_432MHz
#define SOUND_CLOCK XTAL_3_579545MHz
class jackal_state : public driver_device
{
public:
jackal_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoctrl(*this, "videoctrl"),
m_mastercpu(*this, "master"),
m_slavecpu(*this, "slave"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
/* memory pointers */
required_shared_ptr<UINT8> m_videoctrl;
UINT8 * m_scrollram;
/* video-related */
tilemap_t *m_bg_tilemap;
/* misc */
int m_irq_enable;
UINT8 *m_rambank;
UINT8 *m_spritebank;
/* devices */
required_device<cpu_device> m_mastercpu;
required_device<cpu_device> m_slavecpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
DECLARE_READ8_MEMBER(jackalr_rotary_r);
DECLARE_WRITE8_MEMBER(jackal_flipscreen_w);
DECLARE_READ8_MEMBER(jackal_zram_r);
DECLARE_READ8_MEMBER(jackal_voram_r);
DECLARE_READ8_MEMBER(jackal_spriteram_r);
DECLARE_WRITE8_MEMBER(jackal_rambank_w);
DECLARE_WRITE8_MEMBER(jackal_zram_w);
DECLARE_WRITE8_MEMBER(jackal_voram_w);
DECLARE_WRITE8_MEMBER(jackal_spriteram_w);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(jackal);
UINT32 screen_update_jackal(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(jackal_interrupt);
void jackal_mark_tile_dirty( int offset );
void draw_background( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect );
void draw_sprites_region( bitmap_ind16 &bitmap, const rectangle &cliprect, const UINT8 *sram, int length, int bank );
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
};
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