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// license:BSD-3-Clause
// copyright-holders:Farfetch'd,David Haywood,Tomasz Slanina
/***************************************************************************
tecmosys protection simulation
***************************************************************************/
#include "machine/eepromser.h"
#include "machine/gen_latch.h"
#include "machine/input_merger.h"
#include "machine/watchdog.h"
#include "screen.h"
class tecmosys_state : public driver_device
{
public:
tecmosys_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_audiocpu(*this, "audiocpu")
, m_eeprom(*this, "eeprom")
, m_watchdog(*this, "watchdog")
, m_gfxdecode(*this, "gfxdecode")
, m_screen(*this, "screen")
, m_palette(*this, "palette")
, m_soundlatch(*this, "soundlatch")
, m_soundnmi(*this, "soundnmi")
, m_spriteram(*this, "spriteram")
, m_tilemap_paletteram16(*this, "tmap_palette")
, m_vram(*this, "vram_%u", 0)
, m_lineram(*this, "bg%u_lineram", 0)
, m_scroll(*this, "scroll_%u", 0)
, m_880000regs(*this, "880000regs")
, m_sprite_region(*this, "sprites")
, m_audiobank(*this, "audiobank")
, m_okibank(*this, "okibank%u", 1)
{
}
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<eeprom_serial_93cxx_device> m_eeprom;
required_device<watchdog_timer_device> m_watchdog;
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<input_merger_device> m_soundnmi;
required_shared_ptr<uint16_t> m_spriteram;
required_shared_ptr<uint16_t> m_tilemap_paletteram16;
required_shared_ptr_array<uint16_t, 4> m_vram;
required_shared_ptr_array<uint16_t, 3> m_lineram;
required_shared_ptr_array<uint16_t, 4> m_scroll;
required_shared_ptr<uint16_t> m_880000regs;
required_region_ptr<uint8_t> m_sprite_region;
required_memory_bank m_audiobank;
required_memory_bank_array<2> m_okibank;
int m_spritelist;
bitmap_ind16 m_sprite_bitmap;
bitmap_ind16 m_tmp_tilemap_composebitmap;
bitmap_ind16 m_tmp_tilemap_renderbitmap;
tilemap_t *m_tilemap[4];
uint8_t m_device_read_ptr;
uint8_t m_device_status;
const struct prot_data* m_device_data;
uint8_t m_device_value;
DECLARE_READ8_MEMBER(sound_command_pending_r);
DECLARE_WRITE8_MEMBER(sound_nmi_disable_w);
DECLARE_WRITE16_MEMBER(unk880000_w);
DECLARE_READ16_MEMBER(unk880000_r);
DECLARE_WRITE8_MEMBER(z80_bank_w);
DECLARE_WRITE8_MEMBER(oki_bank_w);
DECLARE_READ16_MEMBER(prot_status_r);
DECLARE_WRITE16_MEMBER(prot_status_w);
DECLARE_READ16_MEMBER(prot_data_r);
DECLARE_WRITE16_MEMBER(prot_data_w);
template<int Layer> DECLARE_WRITE16_MEMBER(vram_w);
DECLARE_WRITE16_MEMBER(tilemap_paletteram16_xGGGGGRRRRRBBBBB_word_w);
template<int Layer> DECLARE_WRITE16_MEMBER(lineram_w);
DECLARE_READ16_MEMBER(eeprom_r);
DECLARE_WRITE16_MEMBER(eeprom_w);
void init_tkdensha();
void init_deroon();
void init_tkdensho();
virtual void machine_start() override;
virtual void video_start() override;
template<int Layer> TILE_GET_INFO_MEMBER(get_tile_info);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void prot_init(int which);
void prot_reset();
inline void set_color_555(pen_t color, int rshift, int gshift, int bshift, uint16_t data);
void render_sprites_to_bitmap(bitmap_rgb32 &bitmap, uint16_t extrax, uint16_t extray );
void tilemap_copy_to_compose(uint16_t pri, const rectangle &cliprect);
void do_final_mix(bitmap_rgb32 &bitmap, const rectangle &cliprect);
void descramble();
void tecmosys(machine_config &config);
void io_map(address_map &map);
void main_map(address_map &map);
void oki_map(address_map &map);
void sound_map(address_map &map);
};
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