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// license:BSD-3-Clause
// copyright-holders:David Haywood, Paul Priest
/*************************************************************************
Psikyo PS6807 (PS4)
*************************************************************************/
#define MASTER_CLOCK 57272700 // main oscillator frequency
#include "emu.h"
#include "cpu/sh2/sh2.h"
#include "sound/ymf278b.h"
#include "machine/eepromser.h"
class psikyo4_state : public driver_device
{
public:
psikyo4_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_spriteram(*this, "spriteram"),
m_vidregs(*this, "vidregs"),
m_bgpen_1(*this, "bgpen_1"),
m_bgpen_2(*this, "bgpen_2"),
m_paletteram(*this, "paletteram"),
m_maincpu(*this, "maincpu"),
m_eeprom(*this, "eeprom"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "lpalette"),
m_palette2(*this, "rpalette"),
m_lscreen(*this, "lscreen"),
m_rscreen(*this, "rscreen"),
m_keys(*this, "KEY")
{ }
/* memory pointers */
required_shared_ptr<UINT32> m_spriteram;
required_shared_ptr<UINT32> m_vidregs;
required_shared_ptr<UINT32> m_bgpen_1;
required_shared_ptr<UINT32> m_bgpen_2;
required_shared_ptr<UINT32> m_paletteram;
memory_bank *m_ymf_bank[4];
UINT8 m_ymf_max_bank;
UINT8 m_io_select;
/* video-related */
double m_oldbrt1;
double m_oldbrt2;
/* devices */
required_device<sh2_device> m_maincpu;
required_device<eeprom_serial_93cxx_device> m_eeprom;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<palette_device> m_palette2;
required_device<screen_device> m_lscreen;
required_device<screen_device> m_rscreen;
optional_ioport_array<8> m_keys;
DECLARE_WRITE32_MEMBER(ps4_paletteram32_RRRRRRRRGGGGGGGGBBBBBBBBxxxxxxxx_dword_w);
DECLARE_WRITE32_MEMBER(ps4_bgpen_1_dword_w);
DECLARE_WRITE32_MEMBER(ps4_bgpen_2_dword_w);
DECLARE_WRITE32_MEMBER(ps4_screen1_brt_w);
DECLARE_WRITE32_MEMBER(ps4_screen2_brt_w);
DECLARE_WRITE32_MEMBER(ps4_vidregs_w);
DECLARE_WRITE32_MEMBER(io_select_w);
DECLARE_CUSTOM_INPUT_MEMBER(mahjong_ctrl_r);
DECLARE_WRITE32_MEMBER(ps4_eeprom_w);
DECLARE_READ32_MEMBER(ps4_eeprom_r);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
UINT32 screen_update_psikyo4_left(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_psikyo4_right(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(psikyosh_interrupt);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect, UINT32 scr);
};
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