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path: root/src/mame/drivers/fastlane.c
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/***************************************************************************

    Fast Lane (GX752) (c) 1987 Konami

    Driver by Manuel Abadia <manu@teleline.es>

    TODO:
        - verify that sound is correct (volume and bank switching)

***************************************************************************/

#include "emu.h"
#include "cpu/hd6309/hd6309.h"
#include "sound/k007232.h"
#include "video/konicdev.h"
#include "includes/konamipt.h"
#include "includes/fastlane.h"

static TIMER_DEVICE_CALLBACK( fastlane_scanline )
{
	fastlane_state *state = timer.machine().driver_data<fastlane_state>();
	int scanline = param;

	if(scanline == 240 && k007121_ctrlram_r(state->m_k007121, 7) & 0x02) // vblank irq
		device_set_input_line(state->m_maincpu, HD6309_IRQ_LINE, HOLD_LINE);
	else if(((scanline % 32) == 0) && k007121_ctrlram_r(state->m_k007121, 7) & 0x01) // timer irq
		device_set_input_line(state->m_maincpu, INPUT_LINE_NMI, PULSE_LINE);
}


static WRITE8_HANDLER( k007121_registers_w )
{
	fastlane_state *state = space->machine().driver_data<fastlane_state>();

	if (offset < 8)
		k007121_ctrl_w(state->m_k007121, offset, data);
	else	/* scroll registers */
		state->m_k007121_regs[offset] = data;
}

static WRITE8_HANDLER( fastlane_bankswitch_w )
{
	fastlane_state *state = space->machine().driver_data<fastlane_state>();

	/* bits 0 & 1 coin counters */
	coin_counter_w(space->machine(), 0,data & 0x01);
	coin_counter_w(space->machine(), 1,data & 0x02);

	/* bits 2 & 3 = bank number */
	memory_set_bank(space->machine(), "bank1", (data & 0x0c) >> 2);

	/* bit 4: bank # for the 007232 (chip 2) */
	k007232_set_bank(state->m_konami2, 0 + ((data & 0x10) >> 4), 2 + ((data & 0x10) >> 4));

	/* other bits seems to be unused */
}

/* Read and write handlers for one K007232 chip:
   even and odd register are mapped swapped */

static READ8_DEVICE_HANDLER( fastlane_k007232_r )
{
	return k007232_r(device, offset ^ 1);
}

static WRITE8_DEVICE_HANDLER( fastlane_k007232_w )
{
	k007232_w(device, offset ^ 1, data);
}


static ADDRESS_MAP_START( fastlane_map, AS_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x005f) AM_RAM_WRITE(k007121_registers_w) AM_BASE_MEMBER(fastlane_state, m_k007121_regs)	/* 007121 registers */
	AM_RANGE(0x0800, 0x0800) AM_READ_PORT("DSW3")
	AM_RANGE(0x0801, 0x0801) AM_READ_PORT("P2")
	AM_RANGE(0x0802, 0x0802) AM_READ_PORT("P1")
	AM_RANGE(0x0803, 0x0803) AM_READ_PORT("SYSTEM")
	AM_RANGE(0x0900, 0x0900) AM_READ_PORT("DSW1")
	AM_RANGE(0x0901, 0x0901) AM_READ_PORT("DSW2")
	AM_RANGE(0x0b00, 0x0b00) AM_WRITE(watchdog_reset_w)											/* watchdog reset */
	AM_RANGE(0x0c00, 0x0c00) AM_WRITE(fastlane_bankswitch_w)									/* bankswitch control */
	AM_RANGE(0x0d00, 0x0d0d) AM_DEVREADWRITE("konami1", fastlane_k007232_r, fastlane_k007232_w)	/* 007232 registers (chip 1) */
	AM_RANGE(0x0e00, 0x0e0d) AM_DEVREADWRITE("konami2", fastlane_k007232_r, fastlane_k007232_w)	/* 007232 registers (chip 2) */
	AM_RANGE(0x0f00, 0x0f1f) AM_DEVREADWRITE("k051733", k051733_r, k051733_w)									/* 051733 (protection) */
	AM_RANGE(0x1000, 0x17ff) AM_RAM AM_BASE_MEMBER(fastlane_state, m_paletteram)										/* Palette RAM */
	AM_RANGE(0x1800, 0x1fff) AM_RAM																/* Work RAM */
	AM_RANGE(0x2000, 0x27ff) AM_RAM_WRITE(fastlane_vram1_w) AM_BASE_MEMBER(fastlane_state, m_videoram1)		/* Video RAM (chip 1) */
	AM_RANGE(0x2800, 0x2fff) AM_RAM_WRITE(fastlane_vram2_w) AM_BASE_MEMBER(fastlane_state, m_videoram2)		/* Video RAM (chip 2) */
	AM_RANGE(0x3000, 0x3fff) AM_RAM AM_BASE_MEMBER(fastlane_state, m_spriteram)											/* Sprite RAM */
	AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank1")														/* banked ROM */
	AM_RANGE(0x8000, 0xffff) AM_ROM																/* ROM */
ADDRESS_MAP_END

/***************************************************************************

    Input Ports

***************************************************************************/

/* verified from HD6309 code */
static INPUT_PORTS_START( fastlane )
	PORT_START("DSW1")
	KONAMI_COINAGE(DEF_STR( Free_Play ), "No Coin B")
	/* "No Coin B" = coins produce sound, but no effect on coin counter */

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) )
	PORT_DIPSETTING(	0x03, "2" )
	PORT_DIPSETTING(	0x02, "3" )
	PORT_DIPSETTING(	0x01, "4" )
	PORT_DIPSETTING(	0x00, "7" )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Cocktail ) )
	/* The bonus life affects the starting high score too, 20000 or 30000 */
	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(	0x18, "20k 100k 200k 400k 800k" )
	PORT_DIPSETTING(	0x10, "30k 150k 300k 600k" )
	PORT_DIPSETTING(	0x08, "20k only" )
	PORT_DIPSETTING(	0x00, "30k only" )
	PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(	0x60, DEF_STR( Easy ) )
	PORT_DIPSETTING(	0x40, DEF_STR( Medium ) )
	PORT_DIPSETTING(	0x20, DEF_STR( Hard ) )
	PORT_DIPSETTING(	0x00, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0x80, 0x00, "Demo Music" )                /* when levels are played by the computer */
	PORT_DIPSETTING(	0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(	0x00, DEF_STR( On ) )

	PORT_START("DSW3")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(	0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(	0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, "Upright Controls" )
	PORT_DIPSETTING(    0x02, DEF_STR( Single ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Dual ) )
	PORT_SERVICE( 0x04, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x08, 0x08, "Continue" )
	PORT_DIPSETTING(	0x08, "3" )
	PORT_DIPSETTING(	0x00, DEF_STR( Infinite ) )
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("SYSTEM")
	KONAMI8_SYSTEM_UNK

	PORT_START("P1")
	KONAMI8_B12_UNK(1)

	PORT_START("P2")
	KONAMI8_B12_UNK(2)
INPUT_PORTS_END

static const gfx_layout gfxlayout =
{
	8,8,
	0x80000/32,
	4,
	{ 0, 1, 2, 3 },
	{ 2*4, 3*4, 0*4, 1*4, 6*4, 7*4, 4*4, 5*4 },
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
	32*8
};

static GFXDECODE_START( fastlane )
	GFXDECODE_ENTRY( "gfx1", 0, gfxlayout, 0, 64*16 )
GFXDECODE_END

/***************************************************************************

    Machine Driver

***************************************************************************/

static void volume_callback0(device_t *device, int v)
{
	k007232_set_volume(device, 0, (v >> 4) * 0x11, 0);
	k007232_set_volume(device, 1, 0, (v & 0x0f) * 0x11);
}

static void volume_callback1(device_t *device, int v)
{
	k007232_set_volume(device, 0, (v >> 4) * 0x11, 0);
	k007232_set_volume(device, 1, 0, (v & 0x0f) * 0x11);
}

static const k007232_interface k007232_interface_1 =
{
	volume_callback0
};

static const k007232_interface k007232_interface_2 =
{
	volume_callback1
};

static MACHINE_START( fastlane )
{
	fastlane_state *state = machine.driver_data<fastlane_state>();
	UINT8 *ROM = machine.region("maincpu")->base();

	memory_configure_bank(machine, "bank1", 0, 4, &ROM[0x10000], 0x4000);

	state->m_konami2 = machine.device("konami2");
	state->m_k007121 = machine.device("k007121");
}

static MACHINE_CONFIG_START( fastlane, fastlane_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", HD6309, 3000000*4)		/* 24MHz/8? */
	MCFG_CPU_PROGRAM_MAP(fastlane_map)
	MCFG_TIMER_ADD_SCANLINE("scantimer", fastlane_scanline, "screen", 0, 1)

	MCFG_MACHINE_START(fastlane)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MCFG_SCREEN_SIZE(37*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 35*8-1, 2*8, 30*8-1)
	MCFG_SCREEN_UPDATE(fastlane)

	MCFG_GFXDECODE(fastlane)
	MCFG_PALETTE_LENGTH(1024*16)

	MCFG_PALETTE_INIT(fastlane)
	MCFG_VIDEO_START(fastlane)

	MCFG_K007121_ADD("k007121")
	MCFG_K051733_ADD("k051733")

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")

	MCFG_SOUND_ADD("konami1", K007232, 3579545)
	MCFG_SOUND_CONFIG(k007232_interface_1)
	MCFG_SOUND_ROUTE(0, "mono", 0.50)
	MCFG_SOUND_ROUTE(1, "mono", 0.50)

	MCFG_SOUND_ADD("konami2", K007232, 3579545)
	MCFG_SOUND_CONFIG(k007232_interface_2)
	MCFG_SOUND_ROUTE(0, "mono", 0.50)
	MCFG_SOUND_ROUTE(1, "mono", 0.50)
MACHINE_CONFIG_END


/***************************************************************************

  Game ROMs

***************************************************************************/

ROM_START( fastlane )
	ROM_REGION( 0x21000, "maincpu", 0 ) /* code + banked roms */
	ROM_LOAD( "752_m02.9h",  0x08000, 0x08000, CRC(e1004489) SHA1(615b608d22abc3611f1620503cd6a8c9a6218db8) )  /* fixed ROM */
	ROM_LOAD( "752_e01.10h", 0x10000, 0x10000, CRC(ff4d6029) SHA1(b5c5d8654ce728300d268628bd3dd878570ba7b8) )  /* banked ROM */

	ROM_REGION( 0x80000, "gfx1", 0 )
	ROM_LOAD( "752e04.2i",   0x00000, 0x80000, CRC(a126e82d) SHA1(6663230c2c36dec563969bccad8c62e3d454d240) )  /* tiles + sprites */

	ROM_REGION( 0x0100, "proms", 0 )
	ROM_LOAD( "752e03.6h",   0x0000, 0x0100, CRC(44300aeb) SHA1(580c6e88cbb3b6d8156ea0b9103834f199ec2747) )

	ROM_REGION( 0x20000, "konami1", 0 )	/* 007232 data */
	ROM_LOAD( "752e06.4c",   0x00000, 0x20000, CRC(85d691ed) SHA1(7f8d05562a68c75672141fc80ce7e7acb80588b9) ) /* chip 1 */

	ROM_REGION( 0x80000, "konami2", 0 )	/* 007232 data */
	ROM_LOAD( "752e05.12b",  0x00000, 0x80000, CRC(119e9cbf) SHA1(21e3def9ab10b210632df11b6df4699140c473db) ) /* chip 2 */
ROM_END


GAME( 1987, fastlane, 0, fastlane, fastlane, 0, ROT90, "Konami", "Fast Lane", GAME_NO_COCKTAIL | GAME_IMPERFECT_COLORS | GAME_SUPPORTS_SAVE )