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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_INTERRUPT4,
TIMER_INTERRUPT6,
TIMER_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")
{ }
DECLARE_WRITE8_MEMBER(coins_w);
DECLARE_WRITE16_MEMBER(cpua_ctrl_w);
DECLARE_READ16_MEMBER(lan_status_r);
DECLARE_WRITE16_MEMBER(rotate_port_w);
DECLARE_READ16_MEMBER(adinput_r);
DECLARE_WRITE16_MEMBER(adinput_w);
DECLARE_WRITE8_MEMBER(sound_bankswitch_w);
DECLARE_WRITE16_MEMBER(pivram_word_w);
DECLARE_WRITE16_MEMBER(piv_ctrl_word_w);
void init_wgp();
void init_wgp2();
DECLARE_VIDEO_START(wgp2);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(cpub_interrupt);
void wgp2(machine_config &config);
void wgp(machine_config &config);
void cpu2_map(address_map &map);
void main_map(address_map &map);
void z80_sound_map(address_map &map);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
TILE_GET_INFO_MEMBER(get_piv0_tile_info);
TILE_GET_INFO_MEMBER(get_piv1_tile_info);
TILE_GET_INFO_MEMBER(get_piv2_tile_info);
void postload();
inline void common_get_piv_tile_info(tile_data &tileinfo, int tile_index, int num);
void 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 piv_layer_draw(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int layer, int flags, uint32_t priority);
void parse_control();
/* memory pointers */
required_shared_ptr<uint16_t> m_spritemap;
required_shared_ptr<uint16_t> m_spriteram;
required_shared_ptr<uint16_t> m_pivram;
required_shared_ptr<uint16_t> m_piv_ctrlram;
/* video-related */
tilemap_t *m_piv_tilemap[3];
uint16_t m_piv_ctrl_reg;
uint16_t m_piv_zoom[3];
uint16_t m_piv_scrollx[3];
uint16_t m_piv_scrolly[3];
uint16_t m_rotate_ctrl[8];
int m_piv_xoffs;
int m_piv_yoffs;
uint8_t m_dislayer[4];
/* misc */
uint16_t m_cpua_ctrl;
uint16_t m_port_sel;
emu_timer *m_int6_timer;
emu_timer *m_cpub_int6_timer;
/* 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;
};
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