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path: root/src/mame/drivers/foodf.cpp
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                                                                                                                                                                    
// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************

    Atari Food Fight hardware

    driver by Aaron Giles

    Games supported:
        * Food Fight

    Known bugs:
        * none at this time

****************************************************************************

    Memory map

****************************************************************************

    ========================================================================
    MAIN CPU
    ========================================================================
    000000-00FFFF   R     xxxxxxxx xxxxxxxx   Program ROM
    014000-01BFFF   R/W   xxxxxxxx xxxxxxxx   Program RAM
    01C000-01CFFF   R/W   xxxxxxxx xxxxxxxx   Motion object RAM (1024 entries x 2 words)
                    R/W   x------- --------      (0: Horizontal flip)
                    R/W   -x------ --------      (0: Vertical flip)
                    R/W   ---xxxxx --------      (0: Palette select)
                    R/W   -------- xxxxxxxx      (0: Tile index)
                    R/W   xxxxxxxx --------      (1: X position)
                    R/W   -------- xxxxxxxx      (1: Y position)
    800000-8007FF   R/W   xxxxxxxx xxxxxxxx   Playfield RAM (32x32 tiles)
                    R/W   x------- --------      (Tile index MSB)
                    R/W   --xxxxxx --------      (Palette select)
                    R/W   -------- xxxxxxxx      (Tile index LSBs)
    900000-9001FF   R/W   -------- ----xxxx   NVRAM
    940000-940007   R     -------- xxxxxxxx   Analog input read
    944000-944007     W   -------- --------   Analog input select
    948000          R     -------- xxxxxxxx   Digital inputs
                    R     -------- x-------      (Self test)
                    R     -------- -x------      (Player 2 throw)
                    R     -------- --x-----      (Player 1 throw)
                    R     -------- ---x----      (Aux coin)
                    R     -------- ----x---      (2 player start)
                    R     -------- -----x--      (1 player start)
                    R     -------- ------x-      (Right coin)
                    R     -------- -------x      (Left coin)
    948000            W   -------- xxxxxxxx   Digital outputs
                      W   -------- x-------      (Right coin counter)
                      W   -------- -x------      (Left coin counter)
                      W   -------- --x-----      (LED 2)
                      W   -------- ---x----      (LED 1)
                      W   -------- ----x---      (INT2 reset)
                      W   -------- -----x--      (INT1 reset)
                      W   -------- ------x-      (Update)
                      W   -------- -------x      (Playfield flip)
    94C000            W   -------- --------   Unknown
    950000-9501FF     W   -------- xxxxxxxx   Palette RAM (256 entries)
                      W   -------- xx------      (Blue)
                      W   -------- --xxx---      (Green)
                      W   -------- -----xxx      (Red)
    954000            W   -------- --------   NVRAM recall
    958000            W   -------- --------   Watchdog
    A40000-A4001F   R/W   -------- xxxxxxxx   POKEY 2
    A80000-A8001F   R/W   -------- xxxxxxxx   POKEY 1
    AC0000-AC001F   R/W   -------- xxxxxxxx   POKEY 3
    ========================================================================
    Interrupts:
        IRQ1 = 32V
        IRQ2 = VBLANK
    ========================================================================


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


#include "emu.h"
#include "includes/foodf.h"
#include "cpu/m68000/m68000.h"
#include "machine/adc0808.h"
#include "machine/watchdog.h"
#include "sound/pokey.h"
#include "speaker.h"


#define MASTER_CLOCK        12.096_MHz_XTAL


/*************************************
 *
 *  NVRAM
 *
 *************************************/

WRITE16_MEMBER(foodf_state::nvram_recall_w)
{
	m_nvram->recall(0);
	m_nvram->recall(1);
	m_nvram->recall(0);
}



/*************************************
 *
 *  Interrupts
 *
 *************************************/

void foodf_state::update_interrupts()
{
	m_maincpu->set_input_line(1, m_scanline_int_state ? ASSERT_LINE : CLEAR_LINE);
	m_maincpu->set_input_line(2, m_video_int_state ? ASSERT_LINE : CLEAR_LINE);
	m_maincpu->set_input_line(3, m_scanline_int_state && m_video_int_state ? ASSERT_LINE : CLEAR_LINE);
}


TIMER_DEVICE_CALLBACK_MEMBER(foodf_state::scanline_update_timer)
{
	int scanline = param;

	/* WARNING: the timing of this is not perfectly accurate; it should fire on
	   32V (i.e., on scanlines 32, 96, 160, and 224). However, due to the interrupt
	   structure, it cannot fire at the same time as VBLANK. I have not solved this
	   mystery yet */

	/* INT 1 is on 32V */
	m_scanline_int_state = true;
	update_interrupts();

	/* advance to the next interrupt */
	scanline += 64;
	if (scanline > 192)
		scanline = 0;

	/* set a timer for it */
	timer.adjust(m_screen->time_until_pos(scanline), scanline);
}


WRITE_LINE_MEMBER(foodf_state::video_int_write_line)
{
	if (state)
	{
		m_video_int_state = true;
		update_interrupts();
	}
}


void foodf_state::machine_start()
{
	m_scanline_int_state = false;
	m_video_int_state = false;

	save_item(NAME(m_scanline_int_state));
	save_item(NAME(m_video_int_state));

	m_leds.resolve();
}


void foodf_state::machine_reset()
{
	m_scan_timer->adjust(m_screen->time_until_pos(0));
}



/*************************************
 *
 *  Digital outputs
 *
 *************************************/

WRITE8_MEMBER(foodf_state::digital_w)
{
	foodf_set_flip(data & 0x01);

	m_nvram->store(data & 0x02);

	if (!BIT(data, 2))
	{
		m_scanline_int_state = false;
		update_interrupts();
	}
	if (!BIT(data, 3))
	{
		m_video_int_state = false;
		update_interrupts();
	}

	m_leds[0] = BIT(data, 4);
	m_leds[1] = BIT(data, 5);

	machine().bookkeeping().coin_counter_w(0, (data >> 6) & 1);
	machine().bookkeeping().coin_counter_w(1, (data >> 7) & 1);
}



/*************************************
 *
 *  Main CPU memory handlers
 *
 *************************************/

// complete memory map derived from schematics
void foodf_state::main_map(address_map &map)
{
	map.unmap_value_high();
	map(0x000000, 0x00ffff).mirror(0x3e0000).rom();
	map(0x014000, 0x014fff).mirror(0x3e3000).ram();
	map(0x018000, 0x018fff).mirror(0x3e3000).ram();
	map(0x01c000, 0x01c0ff).mirror(0x3e3f00).ram().share("spriteram");
	map(0x800000, 0x8007ff).mirror(0x03f800).ram().w(m_playfield_tilemap, FUNC(tilemap_device::write16)).share("playfield");
	map(0x900000, 0x9001ff).mirror(0x03fe00).rw(m_nvram, FUNC(x2212_device::read), FUNC(x2212_device::write)).umask16(0x00ff);
	map(0x940001, 0x940001).mirror(0x023ffe).r("adc", FUNC(adc0809_device::data_r));
	map(0x944000, 0x944007).mirror(0x023ff8).w("adc", FUNC(adc0809_device::address_offset_start_w)).umask16(0x00ff);
	map(0x948000, 0x948001).mirror(0x023ffe).portr("SYSTEM");
	map(0x948001, 0x948001).mirror(0x023ffe).w(FUNC(foodf_state::digital_w));
	map(0x950000, 0x9501ff).mirror(0x023e00).w(FUNC(foodf_state::foodf_paletteram_w)).share("paletteram");
	map(0x954000, 0x954001).mirror(0x023ffe).w(FUNC(foodf_state::nvram_recall_w));
	map(0x958000, 0x958001).mirror(0x023ffe).rw("watchdog", FUNC(watchdog_timer_device::reset16_r), FUNC(watchdog_timer_device::reset16_w));
	map(0xa40000, 0xa4001f).mirror(0x03ffe0).rw("pokey2", FUNC(pokey_device::read), FUNC(pokey_device::write)).umask16(0x00ff);
	map(0xa80000, 0xa8001f).mirror(0x03ffe0).rw("pokey1", FUNC(pokey_device::read), FUNC(pokey_device::write)).umask16(0x00ff);
	map(0xac0000, 0xac001f).mirror(0x03ffe0).rw("pokey3", FUNC(pokey_device::read), FUNC(pokey_device::write)).umask16(0x00ff);
}



/*************************************
 *
 *  Port definitions
 *
 *************************************/

static INPUT_PORTS_START( foodf )
	PORT_START("STICK0_X")
	PORT_BIT( 0xff, 0x7f, IPT_AD_STICK_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(1)

	PORT_START("STICK1_X")
	PORT_BIT( 0xff, 0x7f, IPT_AD_STICK_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE PORT_COCKTAIL PORT_PLAYER(2)

	PORT_START("STICK0_Y")
	PORT_BIT( 0xff, 0x7f, IPT_AD_STICK_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(1)

	PORT_START("STICK1_Y")
	PORT_BIT( 0xff, 0x7f, IPT_AD_STICK_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE PORT_COCKTAIL PORT_PLAYER(2)

	PORT_START("SYSTEM")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_SERVICE( 0x80, IP_ACTIVE_LOW )

	PORT_START("DSW")   /* SW1 */
	PORT_DIPNAME( 0x07, 0x00, "Bonus Coins" )   PORT_DIPLOCATION("SW1:8,7,6")
	PORT_DIPSETTING(    0x00, DEF_STR( None ) )
	PORT_DIPSETTING(    0x05, "1 for every 2" )
	PORT_DIPSETTING(    0x02, "1 for every 4" )
	PORT_DIPSETTING(    0x01, "1 for every 5" )
	PORT_DIPSETTING(    0x06, "2 for every 4" )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Coin_A ))    PORT_DIPLOCATION("SW1:5")
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ))
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ))
	PORT_DIPNAME( 0x30, 0x00, DEF_STR( Coin_B ))    PORT_DIPLOCATION("SW1:4,3")
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ))
	PORT_DIPSETTING(    0x20, DEF_STR( 1C_4C ))
	PORT_DIPSETTING(    0x10, DEF_STR( 1C_5C ))
	PORT_DIPSETTING(    0x30, DEF_STR( 1C_6C ))
	PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Coinage ))   PORT_DIPLOCATION("SW1:2,1")
	PORT_DIPSETTING(    0x80, DEF_STR( 2C_1C ))
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ))
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_2C ))
	PORT_DIPSETTING(    0x40, DEF_STR( Free_Play ))
INPUT_PORTS_END



/*************************************
 *
 *  Graphics definitions
 *
 *************************************/

static const gfx_layout charlayout =
{
	8,8,
	RGN_FRAC(1,1),
	2,
	{ 0, 4 },
	{ STEP4(8*8,1), STEP4(0,1) },
	{ STEP8(0,8) },
	8*16
};


static const gfx_layout spritelayout =
{
	16,16,
	RGN_FRAC(1,2),
	2,
	{ RGN_FRAC(1,2), 0 },
	{ STEP8(8*16,1), STEP8(0,1) },
	{ STEP16(0,8) },
	8*32
};


static GFXDECODE_START( gfx_foodf )
	GFXDECODE_ENTRY( "gfx1", 0, charlayout,   0, 64 )
	GFXDECODE_ENTRY( "gfx2", 0, spritelayout, 0, 32 )
GFXDECODE_END



/*************************************
 *
 *  Sound definitions
 *
 *************************************/

READ8_MEMBER(foodf_state::pot_r)
{
	return (ioport("DSW")->read() >> offset) << 7;
}

/*************************************
 *
 *  Machine driver
 *
 *************************************/

void foodf_state::foodf(machine_config &config)
{
	/* basic machine hardware */
	M68000(config, m_maincpu, MASTER_CLOCK/2);
	m_maincpu->set_addrmap(AS_PROGRAM, &foodf_state::main_map);

	adc0809_device &adc(ADC0809(config, "adc", MASTER_CLOCK/16));
	adc.in_callback<0>().set_ioport("STICK1_Y");
	adc.in_callback<1>().set_ioport("STICK0_Y");
	adc.in_callback<2>().set_ioport("STICK1_X");
	adc.in_callback<3>().set_ioport("STICK0_X");

	X2212(config, "nvram").set_auto_save(true);

	WATCHDOG_TIMER(config, "watchdog").set_vblank_count(m_screen, 8);

	TIMER(config, m_scan_timer).configure_generic(FUNC(foodf_state::scanline_update_timer));

	/* video hardware */
	GFXDECODE(config, m_gfxdecode, m_palette, gfx_foodf);
	PALETTE(config, m_palette).set_entries(256);

	TILEMAP(config, m_playfield_tilemap, "gfxdecode", 2, 8,8, TILEMAP_SCAN_COLS, 32,32, 0).set_info_callback(FUNC(foodf_state::get_playfield_tile_info));

	SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
	m_screen->set_raw(MASTER_CLOCK/2, 384, 0, 256, 259, 0, 224);
	m_screen->set_screen_update(FUNC(foodf_state::screen_update_foodf));
	m_screen->set_palette(m_palette);
	m_screen->screen_vblank().set(FUNC(foodf_state::video_int_write_line));

	/* sound hardware */
	SPEAKER(config, "mono").front_center();

	pokey_device &pokey1(POKEY(config, "pokey1", MASTER_CLOCK/2/10));
	pokey1.pot_r<0>().set(FUNC(foodf_state::pot_r));
	pokey1.pot_r<1>().set(FUNC(foodf_state::pot_r));
	pokey1.pot_r<2>().set(FUNC(foodf_state::pot_r));
	pokey1.pot_r<3>().set(FUNC(foodf_state::pot_r));
	pokey1.pot_r<4>().set(FUNC(foodf_state::pot_r));
	pokey1.pot_r<5>().set(FUNC(foodf_state::pot_r));
	pokey1.pot_r<6>().set(FUNC(foodf_state::pot_r));
	pokey1.pot_r<7>().set(FUNC(foodf_state::pot_r));
	pokey1.add_route(ALL_OUTPUTS, "mono", 0.33);

	pokey_device &pokey2(POKEY(config, "pokey2", MASTER_CLOCK/2/10));
	pokey2.add_route(ALL_OUTPUTS, "mono", 0.33);

	pokey_device &pokey3(POKEY(config, "pokey3", MASTER_CLOCK/2/10));
	pokey3.add_route(ALL_OUTPUTS, "mono", 0.33);
MACHINE_CONFIG_END



/*************************************
 *
 *  ROM definition(s)
 *
 *************************************/

ROM_START( foodf )
	ROM_REGION( 0x10000, "maincpu", 0 ) /* 64k for 68000 code */
	ROM_LOAD16_BYTE( "136020-301.8c",   0x000001, 0x002000, CRC(dfc3d5a8) SHA1(7abe5e9c27098bd8c93cc06f1b9e3db0744019e9) )
	ROM_LOAD16_BYTE( "136020-302.9c",   0x000000, 0x002000, CRC(ef92dc5c) SHA1(eb41291615165f549a68ebc6d4664edef1a04ac5) )
	ROM_LOAD16_BYTE( "136020-303.8d",   0x004001, 0x002000, CRC(64b93076) SHA1(efa4090d96aa0ffd4192a045f174ac5960810bca) )
	ROM_LOAD16_BYTE( "136020-204.9d",   0x004000, 0x002000, CRC(ea596480) SHA1(752aa33a8e8045650dd32ec7c7026e00d7896e0f) ) /* rev 2xx is correct for this rom */
	ROM_LOAD16_BYTE( "136020-305.8e",   0x008001, 0x002000, CRC(e6cff1b1) SHA1(7c7ad2dcdff60fc092e8a825c5a6de6b506523de) )
	ROM_LOAD16_BYTE( "136020-306.9e",   0x008000, 0x002000, CRC(95159a3e) SHA1(f180126671776f62242ec9fd4a82a581c551ffce) )
	ROM_LOAD16_BYTE( "136020-307.8f",   0x00c001, 0x002000, CRC(17828dbb) SHA1(9d8e29a5e56a8a9c5db8561e4c20ff22f69b46ca) )
	ROM_LOAD16_BYTE( "136020-208.9f",   0x00c000, 0x002000, CRC(608690c9) SHA1(419020c69ce6fded0d9af44ead8ec4727468d58b) ) /* rev 2xx is correct for this rom */

	ROM_REGION( 0x2000, "gfx1", 0 )
	ROM_LOAD( "136020-109.6lm",  0x000000, 0x002000, CRC(c13c90eb) SHA1(ebd2bbbdd7e184851d1ab4b5648481d966c78cc2) )

	ROM_REGION( 0x4000, "gfx2", 0 )
	ROM_LOAD( "136020-110.4e",   0x000000, 0x002000, CRC(8870e3d6) SHA1(702007d3d543f872b5bf5d00b49f6e05b46d6600) ) /* Actual PCB locations!  WARNING: Original Atari manuals */
	ROM_LOAD( "136020-111.4d",   0x002000, 0x002000, CRC(84372edf) SHA1(9beef3ff3b28405c45d691adfbc233921073be47) ) /* incorrectly have these two listed in reverse locations. */

	ROM_REGION( 0x100, "proms", 0 )
	ROM_LOAD( "136020-112.2p",   0x000000, 0x000100, CRC(0aa962d6) SHA1(efb51e4c95efb1b85206c416c1d6d35c6f4ff35c) )

	ROM_REGION( 0x100, "nvram", 0 ) // default initialized nvram
	ROM_LOAD( "foodf.nv", 0x000000, 0x000100, CRC(a4186b13) SHA1(7633ceb6f61403a46e36cc2172839e6c3f31bac2) )
ROM_END


ROM_START( foodf2 )
	ROM_REGION( 0x10000, "maincpu", 0 ) /* 64k for 68000 code */
	ROM_LOAD16_BYTE( "136020-201.8c",   0x000001, 0x002000, CRC(4ee52d73) SHA1(ff4ab8169a9b260bbd1f49023a30064e2f0b6686) )
	ROM_LOAD16_BYTE( "136020-202.9c",   0x000000, 0x002000, CRC(f8c4b977) SHA1(824d33baa413b2ee898c75157624ea007c92032f) )
	ROM_LOAD16_BYTE( "136020-203.8d",   0x004001, 0x002000, CRC(0e9f99a3) SHA1(37bba66957ee19e7d05fcc3e4583e909809075ed) )
	ROM_LOAD16_BYTE( "136020-104.9d",   0x004000, 0x002000, CRC(f667374c) SHA1(d7be70b56500e2071b7f8c810f7a3e2a6743c6bd) ) /* rev 1xx is correct for this rom */
	ROM_LOAD16_BYTE( "136020-205.8e",   0x008001, 0x002000, CRC(1edd05b5) SHA1(cc712a11946c103eaa808c86e15676fde8610ad9) )
	ROM_LOAD16_BYTE( "136020-206.9e",   0x008000, 0x002000, CRC(bb8926b3) SHA1(95c6ba8ac6b56d1a67a47758b71712d55a959cd0) )
	ROM_LOAD16_BYTE( "136020-207.8f",   0x00c001, 0x002000, CRC(c7383902) SHA1(f76e2c95fccd0cafff9346a32e0c041c291a6696) )
	ROM_LOAD16_BYTE( "136020-208.9f",   0x00c000, 0x002000, CRC(608690c9) SHA1(419020c69ce6fded0d9af44ead8ec4727468d58b) )

	ROM_REGION( 0x2000, "gfx1", 0 )
	ROM_LOAD( "136020-109.6lm",  0x000000, 0x002000, CRC(c13c90eb) SHA1(ebd2bbbdd7e184851d1ab4b5648481d966c78cc2) )

	ROM_REGION( 0x4000, "gfx2", 0 )
	ROM_LOAD( "136020-110.4e",   0x000000, 0x002000, CRC(8870e3d6) SHA1(702007d3d543f872b5bf5d00b49f6e05b46d6600) ) /* Actual PCB locations!  WARNING: Original Atari manuals */
	ROM_LOAD( "136020-111.4d",   0x002000, 0x002000, CRC(84372edf) SHA1(9beef3ff3b28405c45d691adfbc233921073be47) ) /* incorrectly have these two listed in reverse locations. */

	ROM_REGION( 0x100, "proms", 0 )
	ROM_LOAD( "136020-112.2p",   0x000000, 0x000100, CRC(0aa962d6) SHA1(efb51e4c95efb1b85206c416c1d6d35c6f4ff35c) )

	ROM_REGION( 0x100, "nvram", 0 ) // default initialized nvram
	ROM_LOAD( "foodf.nv", 0x000000, 0x000100, CRC(a4186b13) SHA1(7633ceb6f61403a46e36cc2172839e6c3f31bac2) )
ROM_END


ROM_START( foodf1 )
	ROM_REGION( 0x10000, "maincpu", 0 ) /* 64k for 68000 code */
	ROM_LOAD16_BYTE( "136020-101.8c",   0x000001, 0x002000, CRC(06d0ede0) SHA1(2bc6bef433abcaba8181b76dfa90e45a35b04ada) )
	ROM_LOAD16_BYTE( "136020-102.9c",   0x000000, 0x002000, CRC(ca6390a4) SHA1(b5a355f7900e96eaeb6946de6d10bfc842ce23d1) )
	ROM_LOAD16_BYTE( "136020-103.8d",   0x004001, 0x002000, CRC(36e89e89) SHA1(2a71650d71ca8b8e16fdff158e6c8265b9bf8625) )
	ROM_LOAD16_BYTE( "136020-104.9d",   0x004000, 0x002000, CRC(f667374c) SHA1(d7be70b56500e2071b7f8c810f7a3e2a6743c6bd) )
	ROM_LOAD16_BYTE( "136020-105.8e",   0x008001, 0x002000, CRC(a8c22e50) SHA1(7c18f58c0b4769fd8b91e134b812d0df0e4b5c13) )
	ROM_LOAD16_BYTE( "136020-106.9e",   0x008000, 0x002000, CRC(13e013c4) SHA1(2c35261a129c0cd29dcf396067cc3239af71411e) )
	ROM_LOAD16_BYTE( "136020-107.8f",   0x00c001, 0x002000, CRC(8a3f7ca4) SHA1(7196ebe15a35511276c32111fc69a207bbc7837f) )
	ROM_LOAD16_BYTE( "136020-108.9f",   0x00c000, 0x002000, CRC(d4244e12) SHA1(f8963c1e170471f5c132005b96fed80bc26f2574) )

	ROM_REGION( 0x2000, "gfx1", 0 )
	ROM_LOAD( "136020-109.6lm",  0x000000, 0x002000, CRC(c13c90eb) SHA1(ebd2bbbdd7e184851d1ab4b5648481d966c78cc2) )

	ROM_REGION( 0x4000, "gfx2", 0 )
	ROM_LOAD( "136020-110.4e",   0x000000, 0x002000, CRC(8870e3d6) SHA1(702007d3d543f872b5bf5d00b49f6e05b46d6600) )
	ROM_LOAD( "136020-111.4d",   0x002000, 0x002000, CRC(84372edf) SHA1(9beef3ff3b28405c45d691adfbc233921073be47) )

	ROM_REGION( 0x100, "proms", 0 )
	ROM_LOAD( "136020-112.2p",   0x000000, 0x000100, CRC(0aa962d6) SHA1(efb51e4c95efb1b85206c416c1d6d35c6f4ff35c) )

	ROM_REGION( 0x100, "nvram", 0 ) // default initialized nvram
	ROM_LOAD( "foodf.nv", 0x000000, 0x000100, CRC(a4186b13) SHA1(7633ceb6f61403a46e36cc2172839e6c3f31bac2) )
ROM_END


ROM_START( foodfc )
	ROM_REGION( 0x10000, "maincpu", 0 ) /* 64k for 68000 code */
	ROM_LOAD16_BYTE( "136020-113.8c",   0x000001, 0x002000, CRC(193a299f) SHA1(58bbf714eff22d8a47b174e4b121f14a8dcb4ef9) )
	ROM_LOAD16_BYTE( "136020-114.9c",   0x000000, 0x002000, CRC(33ed6bbe) SHA1(5d80fb092d2964b851e6c5982572d4ffc5078c55) )
	ROM_LOAD16_BYTE( "136020-115.8d",   0x004001, 0x002000, CRC(64b93076) SHA1(efa4090d96aa0ffd4192a045f174ac5960810bca) )
	ROM_LOAD16_BYTE( "136020-116.9d",   0x004000, 0x002000, CRC(ea596480) SHA1(752aa33a8e8045650dd32ec7c7026e00d7896e0f) )
	ROM_LOAD16_BYTE( "136020-117.8e",   0x008001, 0x002000, CRC(12a55db6) SHA1(508f02c72074a0e3300ec32c181e4f72cbc4245f) )
	ROM_LOAD16_BYTE( "136020-118.9e",   0x008000, 0x002000, CRC(e6d451d4) SHA1(03bfa932ed419572c08942ad159288b38d24d90f) )
	ROM_LOAD16_BYTE( "136020-119.8f",   0x00c001, 0x002000, CRC(455cc891) SHA1(9f7764c15dea7568326860b910686fec644c42c2) )
	ROM_LOAD16_BYTE( "136020-120.9f",   0x00c000, 0x002000, CRC(34173910) SHA1(19e6032c22d20410386516ffc1a809ae50431c65) )

	ROM_REGION( 0x2000, "gfx1", 0 )
	ROM_LOAD( "136020-109.6lm",  0x000000, 0x002000, CRC(c13c90eb) SHA1(ebd2bbbdd7e184851d1ab4b5648481d966c78cc2) )

	ROM_REGION( 0x4000, "gfx2", 0 )
	ROM_LOAD( "136020-110.4e",   0x000000, 0x002000, CRC(8870e3d6) SHA1(702007d3d543f872b5bf5d00b49f6e05b46d6600) ) /* Actual PCB locations!  WARNING: Original Atari manuals */
	ROM_LOAD( "136020-111.4d",   0x002000, 0x002000, CRC(84372edf) SHA1(9beef3ff3b28405c45d691adfbc233921073be47) ) /* incorrectly have these two listed in reverse locations. */

	ROM_REGION( 0x100, "proms", 0 )
	ROM_LOAD( "136020-112.2p",   0x000000, 0x000100, CRC(0aa962d6) SHA1(efb51e4c95efb1b85206c416c1d6d35c6f4ff35c) )

	ROM_REGION( 0x100, "nvram", 0 ) // default initialized nvram, differs from the other sets
	ROM_LOAD( "foodfc.nv", 0x000000, 0x000100, CRC(c1385dab) SHA1(52f4dc772e5da0f7c9bcef6c6ef3a655dcd3d59d) )
ROM_END



/*************************************
 *
 *  Game driver(s)
 *
 *************************************/

GAME( 1982, foodf,  0,     foodf, foodf, foodf_state, empty_init, ROT0, "General Computer Corporation (Atari license)", "Food Fight (rev 3)", MACHINE_SUPPORTS_SAVE )
GAME( 1982, foodf2, foodf, foodf, foodf, foodf_state, empty_init, ROT0, "General Computer Corporation (Atari license)", "Food Fight (rev 2)", MACHINE_SUPPORTS_SAVE )
GAME( 1982, foodf1, foodf, foodf, foodf, foodf_state, empty_init, ROT0, "General Computer Corporation (Atari license)", "Food Fight (rev 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1982, foodfc, foodf, foodf, foodf, foodf_state, empty_init, ROT0, "General Computer Corporation (Atari license)", "Food Fight (cocktail)", MACHINE_SUPPORTS_SAVE )