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// license:BSD-3-Clause
// copyright-holders:Acho A. Tang, Alex W. Jackson
/***************************************************************************
B-Wings
***************************************************************************/
#include "machine/bankdev.h"
#include "machine/gen_latch.h"
#include "emupal.h"
#include "tilemap.h"
#define BW_DEBUG 0
class bwing_state : public driver_device
{
public:
bwing_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_subcpu(*this, "sub"),
m_audiocpu(*this, "audiocpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_vrambank(*this, "vrambank"),
m_soundlatch(*this, "soundlatch"),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_paletteram(*this, "paletteram"),
m_fgscrollram(*this, "fgscrollram"),
m_bgscrollram(*this, "bgscrollram"),
m_gfxram(*this, "gfxram") { }
void init_bwing();
void bwing(machine_config &config);
DECLARE_INPUT_CHANGED_MEMBER(coin_inserted);
DECLARE_INPUT_CHANGED_MEMBER(tilt_pressed);
private:
/* device */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_subcpu;
required_device<cpu_device> m_audiocpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<address_map_bank_device> m_vrambank;
required_device<generic_latch_8_device> m_soundlatch;
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_spriteram;
required_shared_ptr<uint8_t> m_paletteram;
required_shared_ptr<uint8_t> m_fgscrollram;
required_shared_ptr<uint8_t> m_bgscrollram;
required_shared_ptr<uint8_t> m_gfxram;
/* video-related */
tilemap_t *m_charmap = nullptr;
tilemap_t *m_fgmap = nullptr;
tilemap_t *m_bgmap = nullptr;
unsigned m_sreg[8]{};
unsigned m_palatch = 0U;
unsigned m_mapmask = 0U;
/* sound-related */
int m_bwp3_nmimask = 0;
int m_bwp3_u8F_d = 0;
void bwp3_u8F_w(uint8_t data);
void bwp3_nmimask_w(uint8_t data);
void bwp3_nmiack_w(uint8_t data);
void bwp1_ctrl_w(offs_t offset, uint8_t data);
void bwp2_ctrl_w(offs_t offset, uint8_t data);
void videoram_w(offs_t offset, uint8_t data);
void fgscrollram_w(offs_t offset, uint8_t data);
void bgscrollram_w(offs_t offset, uint8_t data);
void gfxram_w(offs_t offset, uint8_t data);
void scrollreg_w(offs_t offset, uint8_t data);
void paletteram_w(offs_t offset, uint8_t data);
TILE_GET_INFO_MEMBER(get_fgtileinfo);
TILE_GET_INFO_MEMBER(get_bgtileinfo);
TILE_GET_INFO_MEMBER(get_charinfo);
TILEMAP_MAPPER_MEMBER(scan_cols);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
void bwing_postload();
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites( bitmap_ind16 &bmp, const rectangle &clip, uint8_t *ram, int pri );
INTERRUPT_GEN_MEMBER(bwp3_interrupt);
void bank_map(address_map &map);
void bwp1_map(address_map &map);
void bwp2_map(address_map &map);
void bwp3_io_map(address_map &map);
void bwp3_map(address_map &map);
};
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