// license:BSD-3-Clause // copyright-holders:Bryan McPhail, David Haywood /* Diet Go Go Driver by Bryan McPhail and David Haywood. Hold both START buttons on bootup to display version notice. Diet Go Go (Japan) DATA EAST NAME LOCATION TYPE ----------------------- JW-02 14M 27C512 JW-01-2 5H 27C2001 JW-00-2 4H " PAL16L8B 7H PAL16L8B 6H PAL16R6A 11H */ #include "emu.h" #include "includes/dietgo.h" #include "cpu/m68000/m68000.h" #include "sound/ym2151.h" #include "sound/okim6295.h" #include "machine/decocrpt.h" #include "machine/deco102.h" #include "machine/gen_latch.h" #include "emupal.h" #include "screen.h" #include "speaker.h" READ16_MEMBER( dietgo_state::dietgo_protection_region_0_104_r ) { int real_address = 0 + (offset *2); int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff; uint8_t cs = 0; uint16_t data = m_deco104->read_data( deco146_addr, cs ); return data; } WRITE16_MEMBER( dietgo_state::dietgo_protection_region_0_104_w ) { int real_address = 0 + (offset *2); int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff; uint8_t cs = 0; m_deco104->write_data( deco146_addr, data, mem_mask, cs ); } void dietgo_state::dietgo_map(address_map &map) { map(0x000000, 0x07ffff).rom(); map(0x200000, 0x20000f).w(m_deco_tilegen, FUNC(deco16ic_device::pf_control_w)); map(0x210000, 0x211fff).w(m_deco_tilegen, FUNC(deco16ic_device::pf1_data_w)); map(0x212000, 0x213fff).w(m_deco_tilegen, FUNC(deco16ic_device::pf2_data_w)); map(0x220000, 0x2207ff).writeonly().share("pf1_rowscroll"); map(0x222000, 0x2227ff).writeonly().share("pf2_rowscroll"); map(0x280000, 0x2807ff).ram().share("spriteram"); map(0x300000, 0x300bff).ram().w("palette", FUNC(palette_device::write16)).share("palette"); map(0x340000, 0x343fff).rw(FUNC(dietgo_state::dietgo_protection_region_0_104_r), FUNC(dietgo_state::dietgo_protection_region_0_104_w)).share("prot16ram"); /* Protection device */ map(0x380000, 0x38ffff).ram(); // mainram } void dietgo_state::decrypted_opcodes_map(address_map &map) { map(0x000000, 0x07ffff).rom().share("decrypted_opcodes"); } /* Physical memory map (21 bits) */ void dietgo_state::sound_map(address_map &map) { map(0x000000, 0x00ffff).rom(); map(0x100000, 0x100001).noprw(); /* YM2203 - this board doesn't have one */ map(0x110000, 0x110001).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write)); map(0x120000, 0x120001).rw("oki", FUNC(okim6295_device::read), FUNC(okim6295_device::write)); map(0x130000, 0x130001).noprw(); /* This board only has 1 oki chip */ map(0x140000, 0x140000).r(m_deco104, FUNC(deco104_device::soundlatch_r)); map(0x1f0000, 0x1f1fff).ram(); } static INPUT_PORTS_START( dietgo ) PORT_START("SYSTEM") /* Verified as 4 bit input port only */ PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") PORT_START("INPUTS") PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_START2 ) PORT_START("DSW") PORT_DIPNAME( 0x0007, 0x0007, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x0001, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0007, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x0006, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x0005, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x0004, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x0003, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x0002, DEF_STR( 1C_6C ) ) PORT_DIPNAME( 0x0038, 0x0038, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x0008, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0038, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x0030, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x0028, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x0020, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x0018, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x0010, DEF_STR( 1C_6C ) ) PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Flip_Screen ) ) PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0080, 0x0080, "Continue Coin" ) PORT_DIPSETTING( 0x0080, "1 Start/1 Continue" ) PORT_DIPSETTING( 0x0000, "2 Start/1 Continue" ) PORT_DIPNAME( 0x0300, 0x0300, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x0100, "1" ) PORT_DIPSETTING( 0x0000, "2" ) PORT_DIPSETTING( 0x0300, "3" ) PORT_DIPSETTING( 0x0200, "4" ) PORT_DIPNAME( 0x0c00, 0x0c00, DEF_STR( Difficulty ) ) PORT_DIPSETTING( 0x0800, DEF_STR( Easy ) ) PORT_DIPSETTING( 0x0c00, DEF_STR( Normal ) ) PORT_DIPSETTING( 0x0400, DEF_STR( Hard ) ) PORT_DIPSETTING( 0x0000, DEF_STR( Hardest ) ) PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Free_Play ) ) PORT_DIPSETTING( 0x1000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x2000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) ) // Demo_Sounds ) ) PORT_DIPSETTING( 0x4000, DEF_STR( Off ) ) // Players don't move in attract mode if on!? PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) INPUT_PORTS_END static const gfx_layout tile_8x8_layout = { 8,8, RGN_FRAC(1,2), 4, { RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+0,RGN_FRAC(0,2)+8,RGN_FRAC(0,2)+0 }, { STEP8(0,1) }, { STEP8(0,8*2) }, 8*16 }; static const gfx_layout tile_16x16_layout = { 16,16, RGN_FRAC(1,2), 4, { RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+0,RGN_FRAC(0,2)+8,RGN_FRAC(0,2)+0 }, { STEP8(16*8*2,1), STEP8(0,1) }, { STEP16(0,8*2) }, 32*16 }; static GFXDECODE_START( gfx_dietgo ) GFXDECODE_ENTRY( "gfx1", 0, tile_8x8_layout, 0, 32 ) /* Tiles (8x8) */ GFXDECODE_ENTRY( "gfx1", 0, tile_16x16_layout, 0, 32 ) /* Tiles (16x16) */ GFXDECODE_ENTRY( "gfx2", 0, tile_16x16_layout, 512, 16 ) /* Sprites (16x16) */ GFXDECODE_END DECO16IC_BANK_CB_MEMBER(dietgo_state::bank_callback) { return (bank & 0x70) << 8; } void dietgo_state::dietgo(machine_config &config) { /* basic machine hardware */ M68000(config, m_maincpu, XTAL(28'000'000)/2); /* DE102 (verified on pcb) */ m_maincpu->set_addrmap(AS_PROGRAM, &dietgo_state::dietgo_map); m_maincpu->set_addrmap(AS_OPCODES, &dietgo_state::decrypted_opcodes_map); m_maincpu->set_vblank_int("screen", FUNC(dietgo_state::irq6_line_hold)); H6280(config, m_audiocpu, XTAL(32'220'000)/4/3); /* Custom chip 45; XIN is 32.220MHZ/4, verified on pcb */ m_audiocpu->set_addrmap(AS_PROGRAM, &dietgo_state::sound_map); m_audiocpu->add_route(ALL_OUTPUTS, "mono", 0); // internal sound unused /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(58); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */); screen.set_size(40*8, 32*8); screen.set_visarea(0*8, 40*8-1, 1*8, 31*8-1); screen.set_screen_update(FUNC(dietgo_state::screen_update)); screen.set_palette("palette"); PALETTE(config, "palette").set_format(palette_device::xBGR_888, 1024); GFXDECODE(config, "gfxdecode", "palette", gfx_dietgo); DECO16IC(config, m_deco_tilegen, 0); m_deco_tilegen->set_pf1_size(DECO_64x32); m_deco_tilegen->set_pf2_size(DECO_64x32); m_deco_tilegen->set_pf1_trans_mask(0x0f); m_deco_tilegen->set_pf2_trans_mask(0x0f); m_deco_tilegen->set_pf1_col_bank(0x00); m_deco_tilegen->set_pf2_col_bank(0x10); m_deco_tilegen->set_pf1_col_mask(0x0f); m_deco_tilegen->set_pf2_col_mask(0x0f); m_deco_tilegen->set_bank1_callback(FUNC(dietgo_state::bank_callback)); m_deco_tilegen->set_bank2_callback(FUNC(dietgo_state::bank_callback)); m_deco_tilegen->set_pf12_8x8_bank(0); m_deco_tilegen->set_pf12_16x16_bank(1); m_deco_tilegen->set_gfxdecode_tag("gfxdecode"); DECO_SPRITE(config, m_sprgen, 0); m_sprgen->set_gfx_region(2); m_sprgen->set_gfxdecode_tag("gfxdecode"); DECO104PROT(config, m_deco104, 0); m_deco104->port_a_cb().set_ioport("INPUTS"); m_deco104->port_b_cb().set_ioport("SYSTEM"); m_deco104->port_c_cb().set_ioport("DSW"); m_deco104->soundlatch_irq_cb().set_inputline(m_audiocpu, 0); m_deco104->set_interface_scramble_interleave(); m_deco104->set_use_magic_read_address_xor(true); /* sound hardware */ SPEAKER(config, "mono").front_center(); ym2151_device &ymsnd(YM2151(config, "ymsnd", XTAL(32'220'000)/9)); /* verified on pcb */ ymsnd.irq_handler().set_inputline(m_audiocpu, 1); /* IRQ2 */ ymsnd.add_route(ALL_OUTPUTS, "mono", 0.45); OKIM6295(config, "oki", XTAL(32'220'000)/32, okim6295_device::PIN7_HIGH).add_route(ALL_OUTPUTS, "mono", 0.60); /* verified on pcb */ } /* Diet Go Go */ ROM_START( dietgo ) ROM_REGION( 0x80000, "maincpu", 0 ) /* DE102 code (encrypted) */ ROM_LOAD16_BYTE( "jy_00-2.4h", 0x000001, 0x040000, CRC(014dcf62) SHA1(1a28ce4a643ec8b6f062b1200342ed4dc6db38a1) ) ROM_LOAD16_BYTE( "jy_01-2.5h", 0x000000, 0x040000, CRC(793ebd83) SHA1(b9178f18ce6e9fca848cbbf9dce3f3856672bf94) ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "jy_02.14m", 0x00000, 0x10000, CRC(4e3492a5) SHA1(5f302bdbacbf95ea9f3694c48545a1d6bba4b019) ) ROM_REGION( 0x100000, "gfx1", 0 ) ROM_LOAD( "may-00.10a", 0x00000, 0x100000, CRC(234d1f8d) SHA1(42d23aad20df20cbd2359cc12bdd47636b2027d3) ) ROM_REGION( 0x200000, "gfx2", 0 ) ROM_LOAD( "may-01.14a", 0x000000, 0x100000, CRC(2da57d04) SHA1(3898e9fef365ecaa4d86aa11756b527a4fffb494) ) ROM_LOAD( "may-02.16a", 0x100000, 0x100000, CRC(3a66a713) SHA1(beeb99156332cf4870738f7769b719a02d7b40af) ) ROM_REGION( 0x80000, "oki", 0 ) /* Oki samples */ ROM_LOAD( "may-03.11l", 0x00000, 0x80000, CRC(b6e42bae) SHA1(c282cdf7db30fb63340cc609bf00f5ab63a75583) ) ROM_REGION( 0x0600, "plds", 0 ) ROM_LOAD( "pal16l8b_vd-00.6h", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal16l8b_vd-01.7h", 0x0200, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal16r6a_vd-02.11h", 0x0400, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_END ROM_START( dietgoe ) // weird, still version 1.1 but different (earlier) date ROM_REGION( 0x80000, "maincpu", 0 ) /* DE102 code (encrypted) */ ROM_LOAD16_BYTE( "jy_00-1.4h", 0x000001, 0x040000, CRC(8bce137d) SHA1(55f5b1c89330803c6147f9656f2cabe8d1de8478) ) ROM_LOAD16_BYTE( "jy_01-1.5h", 0x000000, 0x040000, CRC(eca50450) SHA1(1a24117e3b1b66d7dbc5484c94cc2c627d34e6a3) ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "jy_02.14m", 0x00000, 0x10000, CRC(4e3492a5) SHA1(5f302bdbacbf95ea9f3694c48545a1d6bba4b019) ) ROM_REGION( 0x100000, "gfx1", 0 ) ROM_LOAD( "may-00.10a", 0x00000, 0x100000, CRC(234d1f8d) SHA1(42d23aad20df20cbd2359cc12bdd47636b2027d3) ) ROM_REGION( 0x200000, "gfx2", 0 ) ROM_LOAD( "may-01.14a", 0x000000, 0x100000, CRC(2da57d04) SHA1(3898e9fef365ecaa4d86aa11756b527a4fffb494) ) ROM_LOAD( "may-02.16a", 0x100000, 0x100000, CRC(3a66a713) SHA1(beeb99156332cf4870738f7769b719a02d7b40af) ) ROM_REGION( 0x80000, "oki", 0 ) /* Oki samples */ ROM_LOAD( "may-03.11l", 0x00000, 0x80000, CRC(b6e42bae) SHA1(c282cdf7db30fb63340cc609bf00f5ab63a75583) ) ROM_REGION( 0x0600, "plds", 0 ) ROM_LOAD( "pal16l8b_vd-00.6h", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal16l8b_vd-01.7h", 0x0200, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal16r6a_vd-02.11h", 0x0400, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_END ROM_START( dietgou ) ROM_REGION( 0x80000, "maincpu", 0 ) /* DE102 code (encrypted) */ ROM_LOAD16_BYTE( "jx_00-.4h", 0x000001, 0x040000, CRC(1a9de04f) SHA1(7ce1e7cf4cdce2b02da4df2a6ae9a9e665e24422) ) ROM_LOAD16_BYTE( "jx_01-.5h", 0x000000, 0x040000, CRC(79c097c8) SHA1(be49055ee324535e1118d243bd49e74ec1d2a2d7) ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "jx_02.14m", 0x00000, 0x10000, CRC(4e3492a5) SHA1(5f302bdbacbf95ea9f3694c48545a1d6bba4b019) ) /* Same as other regions but different label */ ROM_REGION( 0x100000, "gfx1", 0 ) ROM_LOAD( "may-00.10a", 0x00000, 0x100000, CRC(234d1f8d) SHA1(42d23aad20df20cbd2359cc12bdd47636b2027d3) ) ROM_REGION( 0x200000, "gfx2", 0 ) ROM_LOAD( "may-01.14a", 0x000000, 0x100000, CRC(2da57d04) SHA1(3898e9fef365ecaa4d86aa11756b527a4fffb494) ) ROM_LOAD( "may-02.16a", 0x100000, 0x100000, CRC(3a66a713) SHA1(beeb99156332cf4870738f7769b719a02d7b40af) ) ROM_REGION( 0x80000, "oki", 0 ) /* Oki samples */ ROM_LOAD( "may-03.11l", 0x00000, 0x80000, CRC(b6e42bae) SHA1(c282cdf7db30fb63340cc609bf00f5ab63a75583) ) ROM_REGION( 0x0600, "plds", 0 ) ROM_LOAD( "pal16l8b_vd-00.6h", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal16l8b_vd-01.7h", 0x0200, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal16r6a_vd-02.11h", 0x0400, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_END ROM_START( dietgoj ) ROM_REGION( 0x80000, "maincpu", 0 ) /* DE102 code (encrypted) */ ROM_LOAD16_BYTE( "jw_00-2.4h", 0x000001, 0x040000, CRC(e6ba6c49) SHA1(d5eaea81f1353c58c03faae67428f7ee98e766b1) ) ROM_LOAD16_BYTE( "jw_01-2.5h", 0x000000, 0x040000, CRC(684a3d57) SHA1(bd7a57ba837a1dc8f92b5ebcb46e50db1f98524f) ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "jw_02.14m", 0x00000, 0x10000, CRC(4e3492a5) SHA1(5f302bdbacbf95ea9f3694c48545a1d6bba4b019) ) /* Same as other regions but different label */ ROM_REGION( 0x100000, "gfx1", 0 ) ROM_LOAD( "may-00.10a", 0x00000, 0x100000, CRC(234d1f8d) SHA1(42d23aad20df20cbd2359cc12bdd47636b2027d3) ) ROM_REGION( 0x200000, "gfx2", 0 ) ROM_LOAD( "may-01.14a", 0x000000, 0x100000, CRC(2da57d04) SHA1(3898e9fef365ecaa4d86aa11756b527a4fffb494) ) ROM_LOAD( "may-02.16a", 0x100000, 0x100000, CRC(3a66a713) SHA1(beeb99156332cf4870738f7769b719a02d7b40af) ) ROM_REGION( 0x80000, "oki", 0 ) /* Oki samples */ ROM_LOAD( "may-03.11l", 0x00000, 0x80000, CRC(b6e42bae) SHA1(c282cdf7db30fb63340cc609bf00f5ab63a75583) ) ROM_REGION( 0x0600, "plds", 0 ) ROM_LOAD( "pal16l8b_vd-00.6h", 0x0000, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal16l8b_vd-01.7h", 0x0200, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal16r6a_vd-02.11h", 0x0400, 0x0104, NO_DUMP ) /* PAL is read protected */ ROM_END void dietgo_state::init_dietgo() { deco56_decrypt_gfx(machine(), "gfx1"); deco102_decrypt_cpu((uint16_t *)memregion("maincpu")->base(), m_decrypted_opcodes, 0x80000, 0xe9ba, 0x01, 0x19); } GAME( 1992, dietgo, 0, dietgo, dietgo, dietgo_state, init_dietgo, ROT0, "Data East Corporation", "Diet Go Go (Euro v1.1 1992.09.26)", MACHINE_SUPPORTS_SAVE ) GAME( 1992, dietgoe, dietgo, dietgo, dietgo, dietgo_state, init_dietgo, ROT0, "Data East Corporation", "Diet Go Go (Euro v1.1 1992.08.04)" , MACHINE_SUPPORTS_SAVE ) GAME( 1992, dietgou, dietgo, dietgo, dietgo, dietgo_state, init_dietgo, ROT0, "Data East Corporation", "Diet Go Go (USA v1.1 1992.09.26)", MACHINE_SUPPORTS_SAVE ) GAME( 1992, dietgoj, dietgo, dietgo, dietgo, dietgo_state, init_dietgo, ROT0, "Data East Corporation", "Diet Go Go (Japan v1.1 1992.09.26)", MACHINE_SUPPORTS_SAVE )