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// license:BSD-3-Clause
// copyright-holders:Takahiro Nogi
class magmax_state : public driver_device
{
public:
magmax_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_vreg(*this, "vreg"),
m_scroll_x(*this, "scroll_x"),
m_scroll_y(*this, "scroll_y"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette") { }
required_shared_ptr<UINT16> m_videoram;
required_shared_ptr<UINT16> m_spriteram;
required_shared_ptr<UINT16> m_vreg;
required_shared_ptr<UINT16> m_scroll_x;
required_shared_ptr<UINT16> m_scroll_y;
UINT8 m_sound_latch;
UINT8 m_LS74_clr;
UINT8 m_LS74_q;
UINT8 m_gain_control;
emu_timer *m_interrupt_timer;
int m_flipscreen;
std::unique_ptr<UINT32[]> m_prom_tab;
bitmap_ind16 m_bitmap;
DECLARE_WRITE16_MEMBER(magmax_sound_w);
DECLARE_READ8_MEMBER(magmax_sound_irq_ack);
DECLARE_READ8_MEMBER(magmax_sound_r);
DECLARE_WRITE16_MEMBER(magmax_vreg_w);
DECLARE_WRITE8_MEMBER(ay8910_portB_0_w);
DECLARE_WRITE8_MEMBER(ay8910_portA_0_w);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(magmax);
UINT32 screen_update_magmax(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(scanline_callback);
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
};
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