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// license:BSD-3-Clause
// copyright-holders:Zsolt Vasvari
/*************************************************************************
Mermaid
*************************************************************************/
#include "sound/msm5205.h"
#include "sound/ay8910.h"
class mermaid_state : public driver_device
{
public:
mermaid_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram2(*this, "videoram2"),
m_videoram(*this, "videoram"),
m_bg_scrollram(*this, "bg_scrollram"),
m_fg_scrollram(*this, "fg_scrollram"),
m_spriteram(*this, "spriteram"),
m_colorram(*this, "colorram"),
m_ay8910_enable(*this, "ay8910_enable"),
m_maincpu(*this, "maincpu"),
m_adpcm(*this, "adpcm"),
m_ay1(*this, "ay1"),
m_ay2(*this, "ay2"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette")
{
}
/* memory pointers */
required_shared_ptr<UINT8> m_videoram2;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_bg_scrollram;
required_shared_ptr<UINT8> m_fg_scrollram;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_colorram;
required_shared_ptr<UINT8> m_ay8910_enable;
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
bitmap_ind16 m_helper;
bitmap_ind16 m_helper2;
int m_coll_bit0;
int m_coll_bit1;
int m_coll_bit2;
int m_coll_bit3;
int m_coll_bit6;
int m_rougien_gfxbank1;
int m_rougien_gfxbank2;
/* sound-related */
UINT32 m_adpcm_pos;
UINT32 m_adpcm_end;
UINT8 m_adpcm_idle;
int m_adpcm_data;
UINT8 m_adpcm_trigger;
UINT8 m_adpcm_rom_sel;
UINT8 m_adpcm_play_reg;
/* devices */
required_device<cpu_device> m_maincpu;
optional_device<msm5205_device> m_adpcm;
required_device<ay8910_device> m_ay1;
required_device<ay8910_device> m_ay2;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
UINT8 m_nmi_mask;
DECLARE_WRITE8_MEMBER(mermaid_ay8910_write_port_w);
DECLARE_WRITE8_MEMBER(mermaid_ay8910_control_port_w);
DECLARE_WRITE8_MEMBER(nmi_mask_w);
DECLARE_WRITE8_MEMBER(rougien_sample_rom_lo_w);
DECLARE_WRITE8_MEMBER(rougien_sample_rom_hi_w);
DECLARE_WRITE8_MEMBER(rougien_sample_playback_w);
DECLARE_WRITE8_MEMBER(mermaid_videoram2_w);
DECLARE_WRITE8_MEMBER(mermaid_videoram_w);
DECLARE_WRITE8_MEMBER(mermaid_colorram_w);
DECLARE_WRITE8_MEMBER(mermaid_flip_screen_x_w);
DECLARE_WRITE8_MEMBER(mermaid_flip_screen_y_w);
DECLARE_WRITE8_MEMBER(mermaid_bg_scroll_w);
DECLARE_WRITE8_MEMBER(mermaid_fg_scroll_w);
DECLARE_WRITE8_MEMBER(rougien_gfxbankswitch1_w);
DECLARE_WRITE8_MEMBER(rougien_gfxbankswitch2_w);
DECLARE_READ8_MEMBER(mermaid_collision_r);
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;
DECLARE_PALETTE_INIT(mermaid);
DECLARE_PALETTE_INIT(rougien);
UINT32 screen_update_mermaid(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void screen_eof_mermaid(screen_device &screen, bool state);
INTERRUPT_GEN_MEMBER(vblank_irq);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
UINT8 collision_check( rectangle& rect );
DECLARE_WRITE_LINE_MEMBER(rougien_adpcm_int);
};
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