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// license:BSD-3-Clause
// copyright-holders:David Haywood
#include "video/vsystem_spr2.h"
class welltris_state : public driver_device
{
public:
welltris_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_spr_old(*this, "vsystem_spr_old"),
m_gfxdecode(*this, "gfxdecode"),
m_spriteram(*this, "spriteram"),
m_pixelram(*this, "pixelram"),
m_charvideoram(*this, "charvideoram") { }
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<vsystem_spr2_device> m_spr_old;
required_device<gfxdecode_device> m_gfxdecode;
required_shared_ptr<UINT16> m_spriteram;
required_shared_ptr<UINT16> m_pixelram;
required_shared_ptr<UINT16> m_charvideoram;
tilemap_t *m_char_tilemap;
int m_pending_command;
UINT8 m_gfxbank[2];
UINT16 m_charpalettebank;
UINT16 m_spritepalettebank;
UINT16 m_pixelpalettebank;
int m_scrollx;
int m_scrolly;
DECLARE_WRITE8_MEMBER(sound_bankswitch_w);
DECLARE_WRITE16_MEMBER(sound_command_w);
DECLARE_WRITE8_MEMBER(pending_command_clear_w);
DECLARE_WRITE16_MEMBER(palette_bank_w);
DECLARE_WRITE16_MEMBER(gfxbank_w);
DECLARE_WRITE16_MEMBER(scrollreg_w);
DECLARE_WRITE16_MEMBER(charvideoram_w);
DECLARE_WRITE_LINE_MEMBER(irqhandler);
DECLARE_CUSTOM_INPUT_MEMBER(pending_sound_r);
DECLARE_DRIVER_INIT(quiz18k);
DECLARE_DRIVER_INIT(welltris);
virtual void machine_start() override;
virtual void video_start() override;
TILE_GET_INFO_MEMBER(get_tile_info);
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_background(bitmap_ind16 &bitmap, const rectangle &cliprect);
void setbank(int num, int bank);
};
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