// license:BSD-3-Clause
// copyright-holders:Zsolt Vasvari, Aaron Giles
/***************************************************************************
Atari Tetris hardware
driver by Zsolt Vasvari
Games supported:
* Tetris
Known bugs:
* the bootlegs don't actually have the slapstic. The additional
hardware needs to be emulated.
****************************************************************************
Memory map
****************************************************************************
========================================================================
CPU #1
========================================================================
0000-0FFF R/W xxxxxxxx Program RAM
1000-1FFF R/W xxxxxxxx Playfield RAM
xxxxxxxx (byte 0: LSB of character code)
-----xxx (byte 1: MSB of character code)
xxxx---- (byte 1: palette index)
2000-20FF R/W xxxxxxxx Palette RAM
xxx---- (red component)
---xxx-- (green component)
------xx (blue component)
2400-25FF R/W xxxxxxxx EEPROM
2800-280F R/W xxxxxxxx POKEY #1
2810-281F R/W xxxxxxxx POKEY #2
3000 W -------- Watchdog
3400 W -------- EEPROM write enable
3800 W -------- IRQ acknowledge
3C00 W --xx---- Coin counters
W --x----- (right coin counter)
W ---x---- (left coin counter)
4000-7FFF R xxxxxxxx Banked program ROM
8000-FFFF R xxxxxxxx Program ROM
========================================================================
Interrupts:
IRQ generated by 32V
========================================================================
***************************************************************************/
#include "emu.h"
#include "cpu/m6502/m6502.h"
#include "includes/atetris.h"
#include "sound/sn76496.h"
#include "sound/pokey.h"
#include "machine/nvram.h"
#include "machine/watchdog.h"
#include "speaker.h"
#define MASTER_CLOCK XTAL(14'318'181)
#define BOOTLEG_CLOCK XTAL(14'745'600)
/*************************************
*
* Interrupt generation
*
*************************************/
TIMER_CALLBACK_MEMBER(atetris_state::interrupt_gen)
{
int scanline = param;
/* assert/deassert the interrupt */
m_maincpu->set_input_line(0, (scanline & 32) ? ASSERT_LINE : CLEAR_LINE);
/* set the next timer */
scanline += 32;
if (scanline >= 256)
scanline -= 256;
m_interrupt_timer->adjust(m_screen->time_until_pos(scanline), scanline);
}
WRITE8_MEMBER(atetris_state::irq_ack_w)
{
m_maincpu->set_input_line(0, CLEAR_LINE);
}
/*************************************
*
* Machine init
*
*************************************/
void atetris_state::reset_bank()
{
memcpy(m_slapstic_base, &m_slapstic_source[m_current_bank * 0x4000], 0x4000);
}
void atetris_state::machine_start()
{
/* Allocate interrupt timer */
m_interrupt_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(atetris_state::interrupt_gen),this));
/* Set up save state */
save_item(NAME(m_current_bank));
save_item(NAME(m_nvram_write_enable));
machine().save().register_postload(save_prepost_delegate(FUNC(atetris_state::reset_bank), this));
}
void atetris_state::machine_reset()
{
/* reset the slapstic */
m_slapstic_device->slapstic_reset();
m_current_bank = m_slapstic_device->slapstic_bank() & 1;
reset_bank();
/* start interrupts going (32V clocked by 16V) */
m_interrupt_timer->adjust(m_screen->time_until_pos(48), 48);
}
/*************************************
*
* Slapstic handler
*
*************************************/
READ8_MEMBER(atetris_state::slapstic_r)
{
int result = m_slapstic_base[0x2000 + offset];
int new_bank = m_slapstic_device->slapstic_tweak(space, offset) & 1;
/* update for the new bank */
if (new_bank != m_current_bank)
{
m_current_bank = new_bank;
memcpy(m_slapstic_base, &m_slapstic_source[m_current_bank * 0x4000], 0x4000);
}
return result;
}
/*************************************
*
* Coin counters
*
*************************************/
WRITE8_MEMBER(atetris_state::coincount_w)
{
machine().bookkeeping().coin_counter_w(0, (data >> 5) & 1);
machine().bookkeeping().coin_counter_w(1, (data >> 4) & 1);
}
/*************************************
*
* NVRAM handlers
*
*************************************/
WRITE8_MEMBER(atetris_state::nvram_w)
{
if (m_nvram_write_enable)
m_nvram[offset] = data;
m_nvram_write_enable = 0;
}
WRITE8_MEMBER(atetris_state::nvram_enable_w)
{
m_nvram_write_enable = 1;
}
/*************************************
*
* Main CPU memory handlers
*
*************************************/
/* full address map derived from schematics */
void atetris_state::main_map(address_map &map)
{
map(0x0000, 0x0fff).ram();
map(0x1000, 0x1fff).ram().w(this, FUNC(atetris_state::videoram_w)).share("videoram");
map(0x2000, 0x20ff).mirror(0x0300).ram().w("palette", FUNC(palette_device::write8)).share("palette");
map(0x2400, 0x25ff).mirror(0x0200).ram().w(this, FUNC(atetris_state::nvram_w)).share("nvram");
map(0x2800, 0x280f).mirror(0x03e0).rw("pokey1", FUNC(pokey_device::read), FUNC(pokey_device::write));
map(0x2810, 0x281f).mirror(0x03e0).rw("pokey2", FUNC(pokey_device::read), FUNC(pokey_device::write));
map(0x3000, 0x3000).mirror(0x03ff).w("watchdog", FUNC(watchdog_timer_device::reset_w));
map(0x3400, 0x3400).mirror(0x03ff).w(this, FUNC(atetris_state::nvram_enable_w));
map(0x3800, 0x3800).mirror(0x03ff).w(this, FUNC(atetris_state::irq_ack_w));
map(0x3c00, 0x3c00).mirror(0x03ff).w(this, FUNC(atetris_state::coincount_w));
map(0x4000, 0x5fff).rom();
map(0x6000, 0x7fff).r(this, FUNC(atetris_state::slapstic_r));
map(0x8000, 0xffff).rom();
}
void atetris_state::atetrisb2_map(address_map &map)
{
map(0x0000, 0x0fff).ram();
map(0x1000, 0x1fff).ram().w(this, FUNC(atetris_state::videoram_w)).share("videoram");
map(0x2000, 0x20ff).ram().w("palette", FUNC(palette_device::write8)).share("palette");
map(0x2400, 0x25ff).ram().w(this, FUNC(atetris_state::nvram_w)).share("nvram");
map(0x2802, 0x2802).w("sn1", FUNC(sn76496_device::write));
map(0x2804, 0x2804).w("sn2", FUNC(sn76496_device::write));
map(0x2806, 0x2806).w("sn3", FUNC(sn76496_device::write));
map(0x2808, 0x2808).portr("IN0");
map(0x2818, 0x2818).portr("IN1");
map(0x3000, 0x3000).w("watchdog", FUNC(watchdog_timer_device::reset_w));
map(0x3400, 0x3400).w(this, FUNC(atetris_state::nvram_enable_w));
map(0x3800, 0x3800).w(this, FUNC(atetris_state::irq_ack_w));
map(0x3c00, 0x3c00).w(this, FUNC(atetris_state::coincount_w));
map(0x4000, 0x5fff).rom();
map(0x6000, 0x7fff).r(this, FUNC(atetris_state::slapstic_r));
map(0x8000, 0xffff).rom();
}
void atetris_state::atetrisb3_map(address_map &map)
{
map(0x0000, 0x0fff).ram();
map(0x1000, 0x1fff).ram().w(this, FUNC(atetris_state::videoram_w)).share("videoram");
map(0x2000, 0x20ff).ram().w("palette", FUNC(palette_device::write8)).share("palette");
map(0x2400, 0x25ff).ram().w(this, FUNC(atetris_state::nvram_w)).share("nvram");
//AM_RANGE(0x2802, 0x2802) AM_DEVWRITE("sn1", sn76489_device, write)
//AM_RANGE(0x2804, 0x2804) AM_DEVWRITE("sn2", sn76489_device, write)
//AM_RANGE(0x2806, 0x2806) AM_DEVWRITE("sn3", sn76489_device, write)
map(0x2808, 0x2808).portr("IN0");
map(0x2818, 0x2818).portr("IN1");
map(0x3000, 0x3000).w("watchdog", FUNC(watchdog_timer_device::reset_w));
map(0x3400, 0x3400).w(this, FUNC(atetris_state::nvram_enable_w));
map(0x3800, 0x3800).w(this, FUNC(atetris_state::irq_ack_w));
map(0x3c00, 0x3c00).w(this, FUNC(atetris_state::coincount_w));
map(0x4000, 0x5fff).rom();
map(0x6000, 0x7fff).r(this, FUNC(atetris_state::slapstic_r));
map(0x8000, 0xffff).rom();
}
/*************************************
*
* Port definitions
*
*************************************/
static INPUT_PORTS_START( atetris )
// These ports are read via the Pokeys
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN2 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_DIPNAME( 0x04, 0x00, "Freeze" ) PORT_DIPLOCATION("50H:!4")
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x04, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x00, "Freeze Step" ) PORT_DIPLOCATION("50H:!3")
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPUNUSED_DIPLOC( 0x10, 0x00, "50H:!2" ) /* Listed As "SPARE2 (Unused)" */
PORT_DIPUNUSED_DIPLOC( 0x20, 0x00, "50H:!1" ) /* Listed As "SPARE1 (Unused)" */
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen")
PORT_SERVICE( 0x80, IP_ACTIVE_HIGH )
PORT_START("IN1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(1)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(2)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
INPUT_PORTS_END
// Same as the regular one except they added a Flip Controls switch
static INPUT_PORTS_START( atetrisc )
PORT_INCLUDE( atetris )
PORT_MODIFY("IN0")
PORT_DIPNAME( 0x20, 0x00, "Flip Controls" ) PORT_DIPLOCATION("50H:!1")
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
INPUT_PORTS_END
/*************************************
*
* Graphics layouts
*
*************************************/
static const gfx_layout charlayout =
{
8,8,
RGN_FRAC(1,1),
4,
{ 0,1,2,3 },
{ 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4},
{ 0*4*8, 1*4*8, 2*4*8, 3*4*8, 4*4*8, 5*4*8, 6*4*8, 7*4*8},
8*8*4
};
static GFXDECODE_START( gfx_atetris )
GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 16 )
GFXDECODE_END
/*************************************
*
* Machine driver
*
*************************************/
MACHINE_CONFIG_START(atetris_state::atetris)
/* basic machine hardware */
MCFG_DEVICE_ADD("maincpu", M6502,MASTER_CLOCK/8)
MCFG_DEVICE_PROGRAM_MAP(main_map)
MCFG_SLAPSTIC_ADD("slapstic", 101)
MCFG_NVRAM_ADD_1FILL("nvram")
MCFG_WATCHDOG_ADD("watchdog")
/* video hardware */
MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_atetris)
MCFG_PALETTE_ADD("palette", 256)
MCFG_PALETTE_FORMAT(RRRGGGBB)
MCFG_SCREEN_ADD("screen", RASTER)
/* note: these parameters are from published specs, not derived */
/* the board uses an SOS-2 chip to generate video signals */
MCFG_SCREEN_RAW_PARAMS(MASTER_CLOCK/2, 456, 0, 336, 262, 0, 240)
MCFG_SCREEN_UPDATE_DRIVER(atetris_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
/* sound hardware */
SPEAKER(config, "mono").front_center();
MCFG_DEVICE_ADD("pokey1", POKEY, MASTER_CLOCK/8)
MCFG_POKEY_ALLPOT_R_CB(IOPORT("IN0"))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MCFG_DEVICE_ADD("pokey2", POKEY, MASTER_CLOCK/8)
MCFG_POKEY_ALLPOT_R_CB(IOPORT("IN1"))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END
MACHINE_CONFIG_START(atetris_state::atetrisb2)
/* basic machine hardware */
MCFG_DEVICE_ADD("maincpu", M6502,BOOTLEG_CLOCK/8)
MCFG_DEVICE_PROGRAM_MAP(atetrisb2_map)
MCFG_SLAPSTIC_ADD("slapstic", 101)
MCFG_NVRAM_ADD_1FILL("nvram")
MCFG_WATCHDOG_ADD("watchdog")
/* video hardware */
MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_atetris)
MCFG_PALETTE_ADD("palette", 256)
MCFG_PALETTE_FORMAT(RRRGGGBB)
MCFG_SCREEN_ADD("screen", RASTER)
/* note: these parameters are from published specs, not derived */
/* the board uses an SOS-2 chip to generate video signals */
MCFG_SCREEN_RAW_PARAMS(MASTER_CLOCK/2, 456, 0, 336, 262, 0, 240)
MCFG_SCREEN_UPDATE_DRIVER(atetris_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
/* sound hardware */
SPEAKER(config, "mono").front_center();
MCFG_DEVICE_ADD("sn1", SN76496, BOOTLEG_CLOCK/8)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MCFG_DEVICE_ADD("sn2", SN76496, BOOTLEG_CLOCK/8)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MCFG_DEVICE_ADD("sn3", SN76496, BOOTLEG_CLOCK/8)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END
MACHINE_CONFIG_START(atetris_state::atetrisb3)
atetrisb2(config);
MCFG_DEVICE_REPLACE("maincpu", M6502, MASTER_CLOCK/8)
MCFG_DEVICE_PROGRAM_MAP(atetrisb3_map)
//8749 at 10 MHz instead of slapstic
MCFG_DEVICE_REPLACE("sn1", SN76489, 4000000)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MCFG_DEVICE_REPLACE("sn2", SN76489, 4000000)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MCFG_DEVICE_REPLACE("sn3", SN76489, 4000000)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END
/*************************************
*
* ROM definitions
*
*************************************/
ROM_START( atetris )
ROM_REGION( 0x18000, "maincpu", 0 )
ROM_LOAD( "136066-1100.45f", 0x10000, 0x8000, CRC(2acbdb09) SHA1(5e1189227f26563fd3e5372121ea5c915620f892) )
ROM_CONTINUE( 0x08000, 0x8000 )
ROM_REGION( 0x10000, "gfx1", 0 )
ROM_LOAD( "136066-1101.35a", 0x0000, 0x10000, CRC(84a1939f) SHA1(d8577985fc8ed4e74f74c68b7c00c4855b7c3270) )
ROM_END
ROM_START( atetrisa )
ROM_REGION( 0x18000, "maincpu", 0 )
ROM_LOAD( "d1", 0x10000, 0x8000, CRC(2bcab107) SHA1(3cfb8df8cd3782f3ff7f6b32ff15c461352061ee) )
ROM_CONTINUE( 0x08000, 0x8000 )
ROM_REGION( 0x10000, "gfx1", 0 )
ROM_LOAD( "136066-1101.35a", 0x0000, 0x10000, CRC(84a1939f) SHA1(d8577985fc8ed4e74f74c68b7c00c4855b7c3270) )
ROM_END
ROM_START( atetrisb )
ROM_REGION( 0x18000, "maincpu", 0 )
ROM_LOAD( "tetris.01", 0x10000, 0x8000, CRC(944d15f6) SHA1(926fa5cb26b6e6a50bea455eec1f6d3fb92aa95c) )
ROM_CONTINUE( 0x08000, 0x8000 )
ROM_REGION( 0x10000, "gfx1", 0 )
ROM_LOAD( "tetris.02", 0x0000, 0x10000, CRC(5c4e7258) SHA1(58060681a728e74d69b2b6f5d02faa597ca6c226) )
/* there's an extra EEPROM, maybe used for protection crack, which */
/* however doesn't seem to be required to run the game in this driver. */
ROM_REGION( 0x0800, "user1", 0 )
ROM_LOAD( "tetris.03", 0x0000, 0x0800, CRC(26618c0b) SHA1(4d6470bf3a79be3b0766e246abe00582d4c85a97) )
ROM_END
ROM_START( atetrisb2 )
ROM_REGION( 0x18000, "maincpu", 0 )
ROM_LOAD( "k1-01", 0x10000, 0x8000, CRC(fa056809) SHA1(e4ccccdf9b04b68127c7b03ae263519cf00f94cb) )
ROM_CONTINUE( 0x08000, 0x8000 )
ROM_REGION( 0x10000, "gfx1", 0 )
ROM_LOAD( "136066-1101.35a", 0x0000, 0x10000, CRC(84a1939f) SHA1(d8577985fc8ed4e74f74c68b7c00c4855b7c3270) )
ROM_REGION( 0x0020, "proms", 0 ) // currently unused
ROM_LOAD( "m3-7603-5.prom1", 0x00000, 0x0020, CRC(79656af3) SHA1(bf55f100806520b291157c03999606367dd14ecc) )
ROM_REGION( 0xa00, "plds", 0 ) // all protected
ROM_LOAD( "tibpal16r4-25cn.pal1", 0x000, 0x104, NO_DUMP ) // sub PCB
ROM_LOAD( "tibpal16r4-25cn.pal3", 0x200, 0x104, NO_DUMP ) // sub PCB
ROM_LOAD( "tibpal16l8-25cn.pal2", 0x400, 0x104, NO_DUMP ) // sub PCB
ROM_LOAD( "tibpal16l8-25cn.pal4", 0x600, 0x104, NO_DUMP ) // main PCB
ROM_LOAD( "tibpal16l8-25cn.pal5", 0x800, 0x104, NO_DUMP ) // main PCB
ROM_END
/*
Tetris (Korean bootleg of atetrisa set)
PCB Layout
----------
RC-1108
|---------------------------------------------------|
| 14.31818MHz|
| PAL |
| |
| P8749H 6116 |
|J |
|A 10MHz 27512 |
|M PAL |
|M 62256 |
|A |
| 27512 |
| PAL |
| PAL PAL |
|76489 76489 4MHz 82S123 |
|76489 6502 |
|VOL MB3713 PAL |
|---------------------------------------------------|
A second PCB has been found with identical code, but with 1x additional SN76489AN, 1x additional DIP switch, a few more TTLs, and 6 PAL18l8ACN.
*/
ROM_START( atetrisb3 )
ROM_REGION( 0x18000, "maincpu", 0 )
ROM_LOAD( "prg.bin", 0x10000, 0x8000, CRC(2bcab107) SHA1(3cfb8df8cd3782f3ff7f6b32ff15c461352061ee) )
ROM_CONTINUE( 0x08000, 0x8000 )
ROM_REGION( 0x10000, "gfx1", 0 )
ROM_LOAD( "gfx.bin", 0x0000, 0x10000, CRC(84a1939f) SHA1(d8577985fc8ed4e74f74c68b7c00c4855b7c3270) )
// 8749 (10 MHz OSC) instead of the slapstic, needs to be hooked up.
ROM_REGION( 0x0800, "user1", 0 )
ROM_LOAD( "8749h.bin", 0x0000, 0x0800, CRC(a66a9c47) SHA1(fbebd755a5e826c7d94ebcafdff2f9a01c9fd1a5) )
// currently unused
ROM_REGION( 0x0020, "proms", 0 )
ROM_LOAD( "82s123.bin", 0x00000, 0x0020, CRC(79656af3) SHA1(bf55f100806520b291157c03999606367dd14ecc) )
ROM_REGION( 0xc00, "plds", 0 ) // all protected
ROM_LOAD( "gal18v8a-25lp.1", 0x000, 0x117, NO_DUMP )
ROM_LOAD( "gal18v8a-25lp.2", 0x200, 0x117, NO_DUMP )
ROM_LOAD( "palce18v8h-25pc.3", 0x400, 0x117, NO_DUMP )
ROM_LOAD( "palce18v8h-25pc.4", 0x600, 0x117, NO_DUMP )
ROM_LOAD( "pal16r4b-2cn.5", 0x800, 0x104, NO_DUMP )
ROM_LOAD( "pal16r4b-2cn.6", 0xa00, 0x104, NO_DUMP )
ROM_END
ROM_START( atetrisc )
ROM_REGION( 0x18000, "maincpu", 0 )
ROM_LOAD( "tetcktl1.rom", 0x10000, 0x8000, CRC(9afd1f4a) SHA1(323d1576d92c905e8e95108b39cabf6fa0c10db6) )
ROM_CONTINUE( 0x08000, 0x8000 )
ROM_REGION( 0x10000, "gfx1", 0 )
ROM_LOAD( "136066-1103.35a", 0x0000, 0x10000, CRC(ec2a7f93) SHA1(cb850141ffd1504f940fa156a39e71a4146d7fea) )
ROM_END
ROM_START( atetrisc2 )
ROM_REGION( 0x18000, "maincpu", 0 )
ROM_LOAD( "136066-1102.45f", 0x10000, 0x8000, CRC(1bd28902) SHA1(ae8c34f082bce1f827bf60830f207c46cb282421) )
ROM_CONTINUE( 0x08000, 0x8000 )
ROM_REGION( 0x10000, "gfx1", 0 )
ROM_LOAD( "136066-1103.35a", 0x0000, 0x10000, CRC(ec2a7f93) SHA1(cb850141ffd1504f940fa156a39e71a4146d7fea) )
ROM_END
/*************************************
*
* Driver init
*
*************************************/
void atetris_state::init_atetris()
{
uint8_t *rgn = memregion("maincpu")->base();
m_slapstic_device->slapstic_init();
m_slapstic_source = &rgn[0x10000];
m_slapstic_base = &rgn[0x04000];
}
/*************************************
*
* Game drivers
*
*************************************/
GAME( 1988, atetris, 0, atetris, atetris, atetris_state, init_atetris, ROT0, "Atari Games", "Tetris (set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, atetrisa, atetris, atetris, atetris, atetris_state, init_atetris, ROT0, "Atari Games", "Tetris (set 2)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, atetrisb, atetris, atetris, atetris, atetris_state, init_atetris, ROT0, "bootleg", "Tetris (bootleg set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, atetrisb2, atetris, atetrisb2, atetris, atetris_state, init_atetris, ROT0, "bootleg", "Tetris (bootleg set 2)", MACHINE_SUPPORTS_SAVE )
GAME( 1988, atetrisb3, atetris, atetrisb3, atetris, atetris_state, init_atetris, ROT0, "bootleg", "Tetris (bootleg set 3)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )
GAME( 1989, atetrisc, atetris, atetris, atetrisc, atetris_state, init_atetris, ROT270, "Atari Games", "Tetris (cocktail set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1989, atetrisc2, atetris, atetris, atetrisc, atetris_state, init_atetris, ROT270, "Atari Games", "Tetris (cocktail set 2)", MACHINE_SUPPORTS_SAVE )