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// license:BSD-3-Clause
// copyright-holders:David Haywood
#include "sound/okim6295.h"
#include "cpu/pic16c5x/pic16c5x.h"
class drgnmst_state : public driver_device
{
public:
drgnmst_state(const machine_config &mconfig, device_type type, std::string tag)
: driver_device(mconfig, type, tag),
m_vidregs(*this, "vidregs"),
m_fg_videoram(*this, "fg_videoram"),
m_bg_videoram(*this, "bg_videoram"),
m_md_videoram(*this, "md_videoram"),
m_rowscrollram(*this, "rowscrollram"),
m_vidregs2(*this, "vidregs2"),
m_spriteram(*this, "spriteram"),
m_oki_1(*this, "oki1"),
m_oki_2(*this, "oki2") ,
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
/* memory pointers */
required_shared_ptr<UINT16> m_vidregs;
required_shared_ptr<UINT16> m_fg_videoram;
required_shared_ptr<UINT16> m_bg_videoram;
required_shared_ptr<UINT16> m_md_videoram;
required_shared_ptr<UINT16> m_rowscrollram;
required_shared_ptr<UINT16> m_vidregs2;
required_shared_ptr<UINT16> m_spriteram;
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
tilemap_t *m_md_tilemap;
/* misc */
UINT16 m_snd_command;
UINT16 m_snd_flag;
UINT8 m_oki_control;
UINT8 m_oki_command;
UINT8 m_pic16c5x_port0;
UINT8 m_oki0_bank;
UINT8 m_oki1_bank;
/* devices */
required_device<okim6295_device> m_oki_1;
required_device<okim6295_device> m_oki_2;
DECLARE_WRITE16_MEMBER(drgnmst_coin_w);
DECLARE_WRITE16_MEMBER(drgnmst_snd_command_w);
DECLARE_WRITE16_MEMBER(drgnmst_snd_flag_w);
DECLARE_READ8_MEMBER(pic16c5x_port0_r);
DECLARE_READ8_MEMBER(drgnmst_snd_command_r);
DECLARE_READ8_MEMBER(drgnmst_snd_flag_r);
DECLARE_WRITE8_MEMBER(drgnmst_pcm_banksel_w);
DECLARE_WRITE8_MEMBER(drgnmst_oki_w);
DECLARE_WRITE8_MEMBER(drgnmst_snd_control_w);
DECLARE_READ_LINE_MEMBER(PIC16C5X_T0_clk_r);
DECLARE_WRITE16_MEMBER(drgnmst_fg_videoram_w);
DECLARE_WRITE16_MEMBER(drgnmst_bg_videoram_w);
DECLARE_WRITE16_MEMBER(drgnmst_md_videoram_w);
DECLARE_DRIVER_INIT(drgnmst);
TILE_GET_INFO_MEMBER(get_drgnmst_fg_tile_info);
TILE_GET_INFO_MEMBER(get_drgnmst_bg_tile_info);
TILE_GET_INFO_MEMBER(get_drgnmst_md_tile_info);
TILEMAP_MAPPER_MEMBER(drgnmst_fg_tilemap_scan_cols);
TILEMAP_MAPPER_MEMBER(drgnmst_md_tilemap_scan_cols);
TILEMAP_MAPPER_MEMBER(drgnmst_bg_tilemap_scan_cols);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
UINT32 screen_update_drgnmst(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites( bitmap_ind16 &bitmap,const rectangle &cliprect );
UINT8 drgnmst_asciitohex( UINT8 data );
required_device<cpu_device> m_maincpu;
required_device<pic16c55_device> m_audiocpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
};
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