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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
class lsasquad_state : public driver_device
{
public:
lsasquad_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_scrollram(*this, "scrollram"),
m_spriteram(*this, "spriteram"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_mcu(*this, "mcu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
/* memory pointers */
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_scrollram;
required_shared_ptr<UINT8> m_spriteram;
/* misc */
int m_sound_pending;
int m_sound_nmi_enable;
int m_pending_nmi;
int m_sound_cmd;
int m_sound_result;
/* mcu */
UINT8 m_from_main;
UINT8 m_from_mcu;
int m_mcu_sent;
int m_main_sent;
UINT8 m_port_a_in;
UINT8 m_port_a_out;
UINT8 m_ddr_a;
UINT8 m_port_b_in;
UINT8 m_port_b_out;
UINT8 m_ddr_b;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
optional_device<cpu_device> m_mcu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
DECLARE_WRITE8_MEMBER(lsasquad_bankswitch_w);
DECLARE_WRITE8_MEMBER(lsasquad_sh_nmi_disable_w);
DECLARE_WRITE8_MEMBER(lsasquad_sh_nmi_enable_w);
DECLARE_WRITE8_MEMBER(lsasquad_sound_command_w);
DECLARE_READ8_MEMBER(lsasquad_sh_sound_command_r);
DECLARE_WRITE8_MEMBER(lsasquad_sh_result_w);
DECLARE_READ8_MEMBER(lsasquad_sound_result_r);
DECLARE_READ8_MEMBER(lsasquad_sound_status_r);
DECLARE_READ8_MEMBER(daikaiju_sh_sound_command_r);
DECLARE_READ8_MEMBER(daikaiju_sound_status_r);
DECLARE_READ8_MEMBER(lsasquad_68705_port_a_r);
DECLARE_WRITE8_MEMBER(lsasquad_68705_port_a_w);
DECLARE_WRITE8_MEMBER(lsasquad_68705_ddr_a_w);
DECLARE_READ8_MEMBER(lsasquad_68705_port_b_r);
DECLARE_WRITE8_MEMBER(lsasquad_68705_port_b_w);
DECLARE_WRITE8_MEMBER(lsasquad_68705_ddr_b_w);
DECLARE_WRITE8_MEMBER(lsasquad_mcu_w);
DECLARE_READ8_MEMBER(lsasquad_mcu_r);
DECLARE_READ8_MEMBER(lsasquad_mcu_status_r);
DECLARE_READ8_MEMBER(daikaiju_mcu_status_r);
DECLARE_WRITE8_MEMBER(unk);
DECLARE_MACHINE_START(lsasquad);
DECLARE_MACHINE_RESET(lsasquad);
UINT32 screen_update_lsasquad(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_daikaiju(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(nmi_callback);
void draw_layer( bitmap_ind16 &bitmap, const rectangle &cliprect, UINT8 *scrollram );
int draw_layer_daikaiju( bitmap_ind16 &bitmap, const rectangle &cliprect, int offs, int * previd, int type );
void drawbg( bitmap_ind16 &bitmap, const rectangle &cliprect, int type );
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
};
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