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// license:BSD-3-Clause
// copyright-holders:Luca Elia
/*************************************************************************
-= IGS Lord Of Gun =-
*************************************************************************/
#include "sound/okim6295.h"
#include "machine/eepromser.h"
#include "machine/gen_latch.h"
#include "emupal.h"
#include "screen.h"
#include "tilemap.h"
struct lordgun_gun_data
{
int scr_x, scr_y;
uint16_t hw_x, hw_y;
};
class lordgun_state : public driver_device
{
public:
lordgun_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_soundcpu(*this, "soundcpu"),
m_oki(*this, "oki"),
m_eeprom(*this, "eeprom"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_soundlatch(*this, "soundlatch"),
m_soundlatch2(*this, "soundlatch2"),
m_priority_ram(*this, "priority_ram"),
m_scrollram(*this, "scrollram"),
m_spriteram(*this, "spriteram"),
m_vram(*this, "vram.%u", 0),
m_scroll_x(*this, "scroll_x.%u", 0),
m_scroll_y(*this, "scroll_y.%u", 0) { }
void aliencha(machine_config &config);
void lordgun(machine_config &config);
void init_aliencha();
void init_lordgun();
private:
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_soundcpu;
required_device<okim6295_device> m_oki;
required_device<eeprom_serial_93cxx_device> m_eeprom;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch;
required_device<generic_latch_8_device> m_soundlatch2;
required_shared_ptr<uint16_t> m_priority_ram;
required_shared_ptr<uint16_t> m_scrollram;
required_shared_ptr<uint16_t> m_spriteram;
required_shared_ptr_array<uint16_t, 4> m_vram;
required_shared_ptr_array<uint16_t, 4> m_scroll_x;
required_shared_ptr_array<uint16_t, 4> m_scroll_y;
uint8_t m_old = 0U;
uint8_t m_aliencha_dip_sel = 0U;
uint16_t m_priority = 0U;
int m_whitescreen = 0;
lordgun_gun_data m_gun[2]{};
tilemap_t *m_tilemap[4]{};
std::unique_ptr<bitmap_ind16> m_bitmaps[5]{};
uint16_t m_protection_data = 0U;
void lordgun_protection_w(offs_t offset, uint16_t data);
uint16_t lordgun_protection_r(offs_t offset);
void aliencha_protection_w(offs_t offset, uint16_t data);
uint16_t aliencha_protection_r(offs_t offset);
void priority_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
uint16_t lordgun_gun_0_x_r();
uint16_t lordgun_gun_0_y_r();
uint16_t lordgun_gun_1_x_r();
uint16_t lordgun_gun_1_y_r();
void soundlatch_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
template<int Layer> void vram_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
void fake_w(uint8_t data);
void fake2_w(uint8_t data);
void lordgun_eeprom_w(uint8_t data);
void aliencha_eeprom_w(uint8_t data);
uint8_t aliencha_dip_r();
void aliencha_dip_w(uint8_t data);
void lordgun_okibank_w(uint8_t data);
template<int Layer> TILE_GET_INFO_MEMBER(get_tile_info);
virtual void machine_start() override;
virtual void video_start() override;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void lorddgun_calc_gun_scr(int i);
void lordgun_update_gun(int i);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
void aliencha_map(address_map &map);
void aliencha_soundio_map(address_map &map);
void common_map(address_map &map);
void lordgun_map(address_map &map);
void lordgun_soundio_map(address_map &map);
void soundmem_map(address_map &map);
void ymf278_map(address_map &map);
};
/*----------- defined in video/lordgun.c -----------*/
float lordgun_crosshair_mapper(const ioport_field *field, float linear_value);
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