text: // license:BSD-3-Clause
  // copyright-holders:Angelo Salese, Pierpaolo Prazzoli, Bryan McPhail
  /*******************************************************************************************
  
      Competition Golf Final Round (c) 1986 / 1985 Data East
  
      Driver by Angelo Salese, Bryan McPhail and Pierpaolo Prazzoli
      Thanks to David Haywood for the bg roms expansion
  
      Nb:  The black border around the player sprite in attract mode happens on the real pcb
      as well.
  
  *******************************************************************************************/
  
  #include "emu.h"
  #include "cpu/m6809/m6809.h"
  #include "sound/2203intf.h"
  #include "screen.h"
  #include "speaker.h"
  
  #include "includes/compgolf.h"
  
  
  /*************************************
   *
   *  Memory handlers
   *
   *************************************/
  
  WRITE8_MEMBER(compgolf_state::compgolf_scrollx_lo_w)
  {
  	m_scrollx_lo = data;
  }
  
  WRITE8_MEMBER(compgolf_state::compgolf_scrolly_lo_w)
  {
  	m_scrolly_lo = data;
  }
  
  WRITE8_MEMBER(compgolf_state::compgolf_ctrl_w)
  {
  	/* bit 4 and 6 are always set */
  
  	int new_bank = (data & 4) >> 2;
  
  	if (m_bank != new_bank)
  	{
  		m_bank = new_bank;
  		membank("bank1")->set_entry(m_bank);
  	}
  
  	m_scrollx_hi = (data & 1) << 8;
  	m_scrolly_hi = (data & 2) << 7;
  }
  
  
  /*************************************
   *
   *  Address maps
   *
   *************************************/
  
  void compgolf_state::compgolf_map(address_map &map)
  {
  	map(0x0000, 0x07ff).ram();
  	map(0x1000, 0x17ff).ram().w(this, FUNC(compgolf_state::compgolf_video_w)).share("videoram");
  	map(0x1800, 0x1fff).ram().w(this, FUNC(compgolf_state::compgolf_back_w)).share("bg_ram");
  	map(0x2000, 0x2060).ram().share("spriteram");
  	map(0x2061, 0x2061).nopw();
  	map(0x3000, 0x3000).portr("P1");
  	map(0x3001, 0x3001).portr("P2").w(this, FUNC(compgolf_state::compgolf_ctrl_w));
  	map(0x3002, 0x3002).portr("DSW1");
  	map(0x3003, 0x3003).portr("DSW2");
  	map(0x3800, 0x3801).rw("ymsnd", FUNC(ym2203_device::read), FUNC(ym2203_device::write));
  	map(0x4000, 0x7fff).bankr("bank1");
  	map(0x8000, 0xffff).rom();
  }
  
  
  /*************************************
   *
   *  Input ports
   *
   *************************************/
  
  static INPUT_PORTS_START( compgolf )
  	PORT_START("P1")
  	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
  	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
  	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
  	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
  	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
  	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
  	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
  	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
  
  	PORT_START("P2")
  	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
  	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
  	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
  	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
  	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
  	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
  	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
  	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen")
  
  	PORT_START("DSW1")
  	PORT_DIPNAME( 0x03,   0x03, DEF_STR( Coin_A ) )
  	PORT_DIPSETTING(      0x00, DEF_STR( 2C_1C ) )
  	PORT_DIPSETTING(      0x03, DEF_STR( 1C_1C ) )
  	PORT_DIPSETTING(      0x02, DEF_STR( 1C_2C ) )
  	PORT_DIPSETTING(      0x01, DEF_STR( 1C_3C ) )
  	PORT_DIPNAME( 0x0c,   0x0c, DEF_STR( Coin_B ) )
  	PORT_DIPSETTING(      0x00, DEF_STR( 2C_1C ) )
  	PORT_DIPSETTING(      0x0c, DEF_STR( 1C_1C ) )
  	PORT_DIPSETTING(      0x08, DEF_STR( 1C_2C ) )
  	PORT_DIPSETTING(      0x04, DEF_STR( 1C_3C ) )
  	PORT_DIPNAME( 0x10,   0x10, "Wind Force" )
  	PORT_DIPSETTING(      0x10, DEF_STR( Normal ) )
  	PORT_DIPSETTING(      0x00, "Strong" )
  	PORT_DIPNAME( 0x20,   0x20, "Grain of Turf" )
  	PORT_DIPSETTING(      0x20, DEF_STR( Normal ) )
  	PORT_DIPSETTING(      0x00, "Strong" )
  	PORT_DIPNAME( 0x40,   0x40, "Range of Ball" )
  	PORT_DIPSETTING(      0x40, DEF_STR( Normal ) )
  	PORT_DIPSETTING(      0x00, "Less" )
  	PORT_DIPNAME( 0x80,   0x80, DEF_STR( Unused ) )
  	PORT_DIPSETTING(      0x80, DEF_STR( Off ) )
  	PORT_DIPSETTING(      0x00, DEF_STR( On ) )
  
  	PORT_START("DSW2")
  	PORT_DIPNAME( 0x01,   0x01, DEF_STR( Unused ) )
  	PORT_DIPSETTING(      0x01, DEF_STR( Off ) )
  	PORT_DIPSETTING(      0x00, DEF_STR( On ) )
  	PORT_DIPNAME( 0x02,   0x02, "Freeze" ) // this is more likely a switch...
  	PORT_DIPSETTING(      0x02, DEF_STR( Off ) )
  	PORT_DIPSETTING(      0x00, DEF_STR( On ) )
  	PORT_DIPNAME( 0x04,   0x00, DEF_STR( Cabinet ) )
  	PORT_DIPSETTING(      0x00, DEF_STR( Upright ) )
  	PORT_DIPSETTING(      0x04, DEF_STR( Cocktail ) )
  	PORT_DIPNAME( 0x08,   0x08, DEF_STR( Unused ) ) /* Manual states dips 4-8 are "Unused" */
  	PORT_DIPSETTING(      0x08, DEF_STR( Off ) )
  	PORT_DIPSETTING(      0x00, DEF_STR( On ) )
  	PORT_DIPNAME( 0x10,   0x10, DEF_STR( Unused ) )
  	PORT_DIPSETTING(      0x10, DEF_STR( Off ) )
  	PORT_DIPSETTING(      0x00, DEF_STR( On ) )
  	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN1 )
  	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE1 )
  	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )
  INPUT_PORTS_END
  
  
  /*************************************
   *
   *  Graphics definitions
   *
   *************************************/
  
  static const gfx_layout spritelayout =
  {
  	16,16,
  	RGN_FRAC(1,3),
  	3,
  	{ RGN_FRAC(0,3), RGN_FRAC(1,3), RGN_FRAC(2,3) },
  	{ STEP8(8*8*2,1), STEP8(8*8*0,1) },
  	{ STEP8(8*8*0,8), STEP8(8*8*1,8) },
  	16*16
  };
  
  static const gfx_layout tilelayoutbg =
  {
  	16,16,
  	RGN_FRAC(1,2),
  	3,
  	{ RGN_FRAC(1,2)+0, 0, 4 },
  	{ 0, 1, 2, 3, 16*8+0, 16*8+1, 16*8+2, 16*8+3,
  		2*16*8+0, 2*16*8+1, 2*16*8+2, 2*16*8+3, 3*16*8+0, 3*16*8+1, 3*16*8+2, 3*16*8+3 },
  	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
  		8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
  	32*16
  };
  
  static const gfx_layout tilelayout8 =
  {
  	8,8,
  	RGN_FRAC(1,2),
  	3,
  	{ RGN_FRAC(1,2)+4, 0, 4 },
  	{ 0, 1, 2, 3, 8*8+0, 8*8+1, 8*8+2, 8*8+3 },
  	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
  	16*8
  };
  
  static GFXDECODE_START( compgolf )
  	GFXDECODE_ENTRY( "gfx1", 0, spritelayout, 0, 0x10 )
  	GFXDECODE_ENTRY( "gfx2", 0, tilelayoutbg, 0, 0x20 )
  	GFXDECODE_ENTRY( "gfx3", 0, tilelayout8,  0, 0x10 )
  GFXDECODE_END
  
  
  /*************************************
   *
   *  Machine driver
   *
   *************************************/
  
  void compgolf_state::machine_start()
  {
  	save_item(NAME(m_bank));
  	save_item(NAME(m_scrollx_lo));
  	save_item(NAME(m_scrollx_hi));
  	save_item(NAME(m_scrolly_lo));
  	save_item(NAME(m_scrolly_hi));
  }
  
  void compgolf_state::machine_reset()
  {
  	m_bank = -1;
  	m_scrollx_lo = 0;
  	m_scrollx_hi = 0;
  	m_scrolly_lo = 0;
  	m_scrolly_hi = 0;
  }
  
  MACHINE_CONFIG_START(compgolf_state::compgolf)
  
  	/* basic machine hardware */
  	MCFG_CPU_ADD("maincpu", MC6809E, 2000000) // HD68B09EP
  	MCFG_CPU_PROGRAM_MAP(compgolf_map)
  
  	/* video hardware */
  	MCFG_SCREEN_ADD("screen", RASTER)
  	MCFG_SCREEN_REFRESH_RATE(60)
  	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
  	MCFG_SCREEN_SIZE(256, 256)
  	MCFG_SCREEN_VISIBLE_AREA(1*8, 32*8-1, 1*8, 31*8-1)
  	MCFG_SCREEN_UPDATE_DRIVER(compgolf_state, screen_update_compgolf)
  	MCFG_SCREEN_PALETTE("palette")
  	MCFG_SCREEN_VBLANK_CALLBACK(INPUTLINE("maincpu", INPUT_LINE_NMI))
  
  	MCFG_PALETTE_ADD("palette", 0x100)
  	MCFG_PALETTE_INIT_OWNER(compgolf_state, compgolf)
  	MCFG_GFXDECODE_ADD("gfxdecode", "palette", compgolf)
  
  
  	MCFG_SPEAKER_STANDARD_MONO("mono")
  
  	MCFG_SOUND_ADD("ymsnd", YM2203, 1500000)
  	MCFG_YM2203_IRQ_HANDLER(INPUTLINE("maincpu", 0))
  	MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(compgolf_state, compgolf_scrollx_lo_w))
  	MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(compgolf_state, compgolf_scrolly_lo_w))
  	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
  MACHINE_CONFIG_END
  
  
  /*************************************
   *
   *  ROM definition(s)
   *
   *************************************/
  
  ROM_START( compgolf )
  	ROM_REGION( 0x10000, "maincpu", 0 )
  	ROM_LOAD( "cv05-3.bin",   0x08000, 0x8000, CRC(af9805bf) SHA1(bdde482906bb267e76317067785ac0ab7816df63) )
  
  	ROM_REGION( 0x8000, "user1", 0 ) // background data
  	ROM_LOAD( "cv06.bin",     0x00000, 0x8000, CRC(8f76979d) SHA1(432f6a1402fd3276669f5f45f03fd12380900178) )
  
  	ROM_REGION( 0x18000, "gfx1", 0 ) // Sprites
  	ROM_LOAD( "cv00.bin",     0x00000, 0x8000, CRC(aa3d3b99) SHA1(eb968e40bcc7e7dd1acc0bbe885fd3f7d70d4bb5) )
  	ROM_LOAD( "cv01.bin",     0x08000, 0x8000, CRC(f68c2ff6) SHA1(dda9159fb59d3855025b98c272722b031617c89a) )
  	ROM_LOAD( "cv02.bin",     0x10000, 0x8000, CRC(979cdb5a) SHA1(25c1f3e6ddf50168c7e1a967bfa2753bea6106ec) )
  
  	ROM_REGION( 0x10000, "gfx2", 0 )
  	ROM_LOAD( "cv03.bin",     0x00000, 0x8000, CRC(cc7ed6d8) SHA1(4ffcfa3f720414e1b7e929bdf29359ebcd8717c3) )
  	/* we expand rom cv04.bin to 0x8000 - 0xffff */
  
  	ROM_REGION( 0x8000,  "gfx3", 0 )
  	ROM_LOAD( "cv07.bin",     0x00000, 0x8000, CRC(ed5441ba) SHA1(69d50695e8b92544f9857c6f3de0efb399899a2c) )
  
  	ROM_REGION( 0x4000, "gfx4", 0 )
  	ROM_LOAD( "cv04.bin",     0x00000, 0x4000, CRC(df693a04) SHA1(45bef98c7e66881f8c62affecc1ab90dd2707240) )
  
  	ROM_REGION( 0x100, "proms", 0 )
  	ROM_LOAD( "cv08-1.bpr",   0x00000, 0x0100, CRC(b7c43db9) SHA1(418b11e4c8a9bce6873b0624ac53a5011c5807d0) )
  ROM_END
  
  ROM_START( compgolfo )
  	ROM_REGION( 0x10000, "maincpu", 0 )
  	ROM_LOAD( "cv05.bin",     0x08000, 0x8000, CRC(3cef62c9) SHA1(c4827b45faf7aa4c80ddd3c57f1ed6ba76b5c49b) )
  
  	ROM_REGION( 0x8000, "user1", 0 ) // background data
  	ROM_LOAD( "cv06.bin",     0x00000, 0x8000, CRC(8f76979d) SHA1(432f6a1402fd3276669f5f45f03fd12380900178) )
  
  	ROM_REGION( 0x18000, "gfx1", 0 ) // Sprites
  	ROM_LOAD( "cv00.bin",     0x00000, 0x8000, CRC(aa3d3b99) SHA1(eb968e40bcc7e7dd1acc0bbe885fd3f7d70d4bb5) )
  	ROM_LOAD( "cv01.bin",     0x08000, 0x8000, CRC(f68c2ff6) SHA1(dda9159fb59d3855025b98c272722b031617c89a) )
  	ROM_LOAD( "cv02.bin",     0x10000, 0x8000, CRC(979cdb5a) SHA1(25c1f3e6ddf50168c7e1a967bfa2753bea6106ec) )
  
  	ROM_REGION( 0x10000, "gfx2", 0 )
  	ROM_LOAD( "cv03.bin",     0x00000, 0x8000, CRC(cc7ed6d8) SHA1(4ffcfa3f720414e1b7e929bdf29359ebcd8717c3) )
  	/* we expand rom cv04.bin to 0x8000 - 0xffff */
  
  	ROM_REGION( 0x8000,  "gfx3", 0 )
  	ROM_LOAD( "cv07.bin",     0x00000, 0x8000, CRC(ed5441ba) SHA1(69d50695e8b92544f9857c6f3de0efb399899a2c) )
  
  	ROM_REGION( 0x4000, "gfx4", 0 )
  	ROM_LOAD( "cv04.bin",     0x00000, 0x4000, CRC(df693a04) SHA1(45bef98c7e66881f8c62affecc1ab90dd2707240) )
  
  	ROM_REGION( 0x100, "proms", 0 )
  	ROM_LOAD( "cv08-1.bpr",   0x00000, 0x0100, CRC(b7c43db9) SHA1(418b11e4c8a9bce6873b0624ac53a5011c5807d0) )
  ROM_END
  
  
  /*************************************
   *
   *  Driver initialization
   *
   *************************************/
  
  void compgolf_state::compgolf_expand_bg()
  {
  	uint8_t *GFXDST = memregion("gfx2")->base();
  	uint8_t *GFXSRC = memregion("gfx4")->base();
  
  	int x;
  
  	for (x = 0; x < 0x4000; x++)
  	{
  		GFXDST[0x8000 + x]  = (GFXSRC[x] & 0x0f) << 4;
  		GFXDST[0xc000 + x]  = (GFXSRC[x] & 0xf0);
  	}
  }
  
  DRIVER_INIT_MEMBER(compgolf_state,compgolf)
  {
  	membank("bank1")->configure_entries(0, 2, memregion("user1")->base(), 0x4000);
  	compgolf_expand_bg();
  }
  
  
  /*************************************
   *
   *  Game driver(s)
   *
   *************************************/
  
  GAME( 1986, compgolf, 0,        compgolf, compgolf, compgolf_state, compgolf, ROT0, "Data East", "Competition Golf Final Round (revision 3)", MACHINE_SUPPORTS_SAVE )
  GAME( 1985, compgolfo,compgolf, compgolf, compgolf, compgolf_state, compgolf, ROT0, "Data East", "Competition Golf Final Round (Japan, old version)", MACHINE_SUPPORTS_SAVE )
  