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// license:BSD-3-Clause
// copyright-holders:Bryan McPhail
/*************************************************************************
Crude Buster
*************************************************************************/
#include "machine/gen_latch.h"
#include "video/decospr.h"
#include "video/deco16ic.h"
class cbuster_state : public driver_device
{
public:
cbuster_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_ram(*this, "ram"),
m_pf1_rowscroll(*this, "pf1_rowscroll"),
m_pf2_rowscroll(*this, "pf2_rowscroll"),
m_pf3_rowscroll(*this, "pf3_rowscroll"),
m_pf4_rowscroll(*this, "pf4_rowscroll"),
m_spriteram16(*this, "spriteram16"),
m_paletteram(*this, "palette"),
m_paletteram_ext(*this, "palette_ext"),
m_sprgen(*this, "spritegen"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_deco_tilegen1(*this, "tilegen1"),
m_deco_tilegen2(*this, "tilegen2"),
m_palette(*this, "palette"),
m_soundlatch(*this, "soundlatch")
{ }
/* memory pointers */
required_shared_ptr<uint16_t> m_ram;
required_shared_ptr<uint16_t> m_pf1_rowscroll;
required_shared_ptr<uint16_t> m_pf2_rowscroll;
required_shared_ptr<uint16_t> m_pf3_rowscroll;
required_shared_ptr<uint16_t> m_pf4_rowscroll;
required_shared_ptr<uint16_t> m_spriteram16;
required_shared_ptr<uint16_t> m_paletteram;
required_shared_ptr<uint16_t> m_paletteram_ext;
optional_device<decospr_device> m_sprgen;
uint16_t m_spriteram16_buffer[0x400];
/* misc */
uint16_t m_prot;
int m_pri;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<deco16ic_device> m_deco_tilegen1;
required_device<deco16ic_device> m_deco_tilegen2;
required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch;
DECLARE_WRITE16_MEMBER(twocrude_control_w);
DECLARE_READ16_MEMBER(twocrude_control_r);
DECLARE_DRIVER_INIT(twocrude);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update_twocrude(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
DECO16IC_BANK_CB_MEMBER(bank_callback);
DECLARE_WRITE16_MEMBER(cbuster_palette_w);
DECLARE_WRITE16_MEMBER(cbuster_palette_ext_w);
void update_palette(int offset);
};
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