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// license:BSD-3-Clause
// copyright-holders:David Haywood
#include "sound/okim6295.h"
#include "video/excellent_spr.h"
class aquarium_state : public driver_device
{
public:
aquarium_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_mid_videoram(*this, "mid_videoram"),
m_bak_videoram(*this, "bak_videoram"),
m_txt_videoram(*this, "txt_videoram"),
m_scroll(*this, "scroll"),
m_audiocpu(*this, "audiocpu"),
m_maincpu(*this, "maincpu"),
m_oki(*this, "oki"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_sprgen(*this, "spritegen"),
m_screen(*this, "screen")
{ }
/* memory pointers */
required_shared_ptr<UINT16> m_mid_videoram;
required_shared_ptr<UINT16> m_bak_videoram;
required_shared_ptr<UINT16> m_txt_videoram;
required_shared_ptr<UINT16> m_scroll;
/* video-related */
tilemap_t *m_txt_tilemap;
tilemap_t *m_mid_tilemap;
tilemap_t *m_bak_tilemap;
/* misc */
int m_aquarium_snd_ack;
/* devices */
required_device<cpu_device> m_audiocpu;
DECLARE_READ16_MEMBER(aquarium_coins_r);
DECLARE_WRITE8_MEMBER(aquarium_snd_ack_w);
DECLARE_WRITE16_MEMBER(aquarium_sound_w);
DECLARE_WRITE8_MEMBER(aquarium_z80_bank_w);
DECLARE_READ8_MEMBER(aquarium_oki_r);
DECLARE_WRITE8_MEMBER(aquarium_oki_w);
DECLARE_WRITE16_MEMBER(aquarium_txt_videoram_w);
DECLARE_WRITE16_MEMBER(aquarium_mid_videoram_w);
DECLARE_WRITE16_MEMBER(aquarium_bak_videoram_w);
DECLARE_DRIVER_INIT(aquarium);
TILE_GET_INFO_MEMBER(get_aquarium_txt_tile_info);
TILE_GET_INFO_MEMBER(get_aquarium_mid_tile_info);
TILE_GET_INFO_MEMBER(get_aquarium_bak_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
UINT32 screen_update_aquarium(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect, int y_offs );
UINT8 aquarium_snd_bitswap( UINT8 scrambled_data );
required_device<cpu_device> m_maincpu;
required_device<okim6295_device> m_oki;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<excellent_spr_device> m_sprgen;
required_device<screen_device> m_screen;
void mix_sprite_bitmap(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int priority_mask, int priority_value);
bitmap_ind16 m_temp_sprite_bitmap;
};
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