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// license:BSD-3-Clause
// copyright-holders:David Graves
/*************************************************************************
World Grand Prix
*************************************************************************/
#include "audio/taitosnd.h"
#include "machine/taitoio.h"
#include "video/tc0100scn.h"
class wgp_state : public driver_device
{
public:
enum
{
TIMER_WGP_INTERRUPT4,
TIMER_WGP_INTERRUPT6,
TIMER_WGP_CPUB_INTERRUPT6
};
wgp_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_spritemap(*this, "spritemap"),
m_spriteram(*this, "spriteram"),
m_pivram(*this, "pivram"),
m_piv_ctrlram(*this, "piv_ctrlram"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_subcpu(*this, "sub"),
m_tc0100scn(*this, "tc0100scn"),
m_tc0140syt(*this, "tc0140syt"),
m_tc0220ioc(*this, "tc0220ioc"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_z80bank(*this, "z80bank"),
m_steer(*this, "STEER"),
m_unknown(*this, "UNKNOWN"),
m_fake(*this, "FAKE")
{ }
/* memory pointers */
required_shared_ptr<UINT16> m_spritemap;
required_shared_ptr<UINT16> m_spriteram;
required_shared_ptr<UINT16> m_pivram;
required_shared_ptr<UINT16> m_piv_ctrlram;
/* video-related */
tilemap_t *m_piv_tilemap[3];
UINT16 m_piv_ctrl_reg;
UINT16 m_piv_zoom[3];
UINT16 m_piv_scrollx[3];
UINT16 m_piv_scrolly[3];
UINT16 m_rotate_ctrl[8];
int m_piv_xoffs;
int m_piv_yoffs;
UINT8 m_dislayer[4];
/* misc */
UINT16 m_cpua_ctrl;
UINT16 m_port_sel;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<cpu_device> m_subcpu;
required_device<tc0100scn_device> m_tc0100scn;
required_device<tc0140syt_device> m_tc0140syt;
required_device<tc0220ioc_device> m_tc0220ioc;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_memory_bank m_z80bank;
optional_ioport m_steer;
optional_ioport m_unknown;
optional_ioport m_fake;
DECLARE_WRITE16_MEMBER(cpua_ctrl_w);
DECLARE_READ16_MEMBER(lan_status_r);
DECLARE_WRITE16_MEMBER(rotate_port_w);
DECLARE_READ16_MEMBER(wgp_adinput_r);
DECLARE_WRITE16_MEMBER(wgp_adinput_w);
DECLARE_WRITE8_MEMBER(sound_bankswitch_w);
DECLARE_WRITE16_MEMBER(wgp_sound_w);
DECLARE_READ16_MEMBER(wgp_sound_r);
DECLARE_READ16_MEMBER(wgp_pivram_word_r);
DECLARE_WRITE16_MEMBER(wgp_pivram_word_w);
DECLARE_READ16_MEMBER(wgp_piv_ctrl_word_r);
DECLARE_WRITE16_MEMBER(wgp_piv_ctrl_word_w);
DECLARE_DRIVER_INIT(wgp);
DECLARE_DRIVER_INIT(wgp2);
TILE_GET_INFO_MEMBER(get_piv0_tile_info);
TILE_GET_INFO_MEMBER(get_piv1_tile_info);
TILE_GET_INFO_MEMBER(get_piv2_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
DECLARE_VIDEO_START(wgp2);
UINT32 screen_update_wgp(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(wgp_cpub_interrupt);
void wgp_postload();
inline void common_get_piv_tile_info( tile_data &tileinfo, int tile_index, int num );
void wgp_core_vh_start( int piv_xoffs, int piv_yoffs );
void draw_sprites( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int y_offs );
void wgp_piv_layer_draw( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int layer, int flags, UINT32 priority );
void parse_control();
DECLARE_WRITE_LINE_MEMBER(irqhandler);
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
};
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