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Diffstat (limited to 'src/mame/drivers/skyfox.cpp')
-rw-r--r--src/mame/drivers/skyfox.cpp417
1 files changed, 0 insertions, 417 deletions
diff --git a/src/mame/drivers/skyfox.cpp b/src/mame/drivers/skyfox.cpp
deleted file mode 100644
index 5233f869e1c..00000000000
--- a/src/mame/drivers/skyfox.cpp
+++ /dev/null
@@ -1,417 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Luca Elia
-/***************************************************************************
-
- -= Sky Fox / Exerizer =-
-
- driver by Luca Elia (l.elia@tin.it)
-
-
-CPU : Z80A x 2
-Sound: YM2203C x 2
-Other: 2 HM6116LP-3 (one on each board)
- 1 KM6264L-15 (on bottom board)
-
-TODO:
-- The background rendering is entirely guesswork;
-- DMA trigger happens at vpos 24 with legacy video parameters,
- needs H/VSync PCB calculations, also notice that 62.65 Hz comes from the
- bootleg and may be different for original;
-
-2008-07
-Verified Dip locations and recommended settings with manual
-
-***************************************************************************/
-
-#include "emu.h"
-#include "includes/skyfox.h"
-
-#include "cpu/z80/z80.h"
-#include "sound/ym2203.h"
-#include "speaker.h"
-
-
-/***************************************************************************
-
- Main CPU
-
-***************************************************************************/
-
-void skyfox_state::output_w(offs_t offset, uint8_t data)
-{
- // TODO: untangle
- switch (offset)
- {
- case 0:
- m_bg_ctrl = data;
- break;
-
- case 1:
- m_soundlatch->write(data);
- break;
- }
-}
-
-void skyfox_state::skyfox_map(address_map &map)
-{
- map(0x0000, 0xbfff).rom();
- map(0xc000, 0xcfff).ram();
- map(0xd000, 0xd3ff).ram().share("spriteram");
- map(0xd400, 0xd4ff).ram().share("bgram"); // For background stars
- // TODO: verify if A11 is unconnected
- map(0xd500, 0xdfff).ram();
- map(0xe000, 0xe000).portr("INPUTS");
- map(0xe001, 0xe001).portr("DSW0");
- map(0xe002, 0xe002).portr("DSW1");
- map(0xe008, 0xe009).w(FUNC(skyfox_state::output_w));
-// map(0xe00a, 0xe00e) // POST only?
- map(0xe00f, 0xe00f).nopw(); // DMA trigger
- map(0xf001, 0xf001).portr("DSW2");
-}
-
-
-/***************************************************************************
-
- Sound CPU
-
-***************************************************************************/
-
-void skyfox_state::skyfox_sound_map(address_map &map)
-{
- map(0x0000, 0x7fff).rom();
- map(0x8000, 0x87ff).ram();
-// map(0x9000, 0x9001).nopw(); // ??
- map(0xa000, 0xa001).rw("ym1", FUNC(ym2203_device::read), FUNC(ym2203_device::write));
-// map(0xb000, 0xb001).nopw(); // ??
- map(0xc000, 0xc001).rw("ym2", FUNC(ym2203_device::read), FUNC(ym2203_device::write));
- map(0xb000, 0xb000).r(m_soundlatch, FUNC(generic_latch_8_device::read));
-}
-
-
-/***************************************************************************
-
- Input Ports
-
-***************************************************************************/
-
-INPUT_CHANGED_MEMBER(skyfox_state::coin_inserted)
-{
- m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE);
-}
-
-static INPUT_PORTS_START( skyfox )
- PORT_START("INPUTS")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 )
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 )
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
-
- PORT_START("DSW0")
- PORT_DIPNAME( 0x01, 0x01, "Unknown 1-0" ) // rest unused?
- PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x02, 0x02, "Unknown 1-1" )
- PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x04, 0x04, "Unknown 1-2" )
- PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x18, 0x08, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW1:4,5")
- PORT_DIPSETTING( 0x00, "20K" )
- PORT_DIPSETTING( 0x08, "30K" )
- PORT_DIPSETTING( 0x10, "40K" )
- PORT_DIPSETTING( 0x18, "50K" )
- PORT_DIPNAME( 0x20, 0x00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:6")
- PORT_DIPSETTING( 0x20, DEF_STR( Medium ) )
- PORT_DIPSETTING( 0x00, DEF_STR( Hard ) )
- PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW1:7")
- PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:8")
- PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
- PORT_DIPSETTING( 0x80, DEF_STR( Cocktail ) )
-
- PORT_START("DSW1") // Coins, DSW + Vblank
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen")
- PORT_DIPNAME( 0x0e, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW2:1,2,3")
- PORT_DIPSETTING( 0x0e, DEF_STR( 5C_1C ) )
- PORT_DIPSETTING( 0x0a, DEF_STR( 4C_1C ) )
- PORT_DIPSETTING( 0x06, DEF_STR( 3C_1C ) )
- PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) )
- PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
- PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) )
- PORT_DIPSETTING( 0x08, DEF_STR( 1C_3C ) )
- PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) )
- /* According to manual, there is also "SW2:4" which has to be always OFF */
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
-
- PORT_START("DSW2") // DSW
- PORT_DIPNAME( 0x07, 0x02, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:1,2,3")
- PORT_DIPSETTING( 0x00, "1" )
- PORT_DIPSETTING( 0x01, "2" )
- PORT_DIPSETTING( 0x02, "3" )
- PORT_DIPSETTING( 0x03, "4" )
- PORT_DIPSETTING( 0x04, "5" )
- PORT_DIPSETTING( 0x05, "5" ) // dupe
- PORT_DIPSETTING( 0x06, "5" ) // dupe
- PORT_DIPSETTING( 0x07, "Infinite (Cheat)")
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
-
- PORT_START("COINS") // Fake input port, coins are directly connected on NMI line
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, skyfox_state,coin_inserted, 0)
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_CHANGED_MEMBER(DEVICE_SELF, skyfox_state,coin_inserted, 0)
-INPUT_PORTS_END
-
-
-
-
-/***************************************************************************
-
- Graphics Layouts
-
-***************************************************************************/
-
-/* 8x8x8 tiles (note that the tiles in the ROMs are 32x32x8, but
- we cut them in 8x8x8 ones in the init function, in order to
- support 8x8, 16x16 and 32x32 sprites. */
-
-static const gfx_layout layout_8x8x8 =
-{
- 8,8,
- RGN_FRAC(1,1),
- 8,
- {0,1,2,3,4,5,6,7},
- {0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8},
- {0*64,1*64,2*64,3*64,4*64,5*64,6*64,7*64},
- 8*8*8
-};
-
-static GFXDECODE_START( gfx_skyfox )
- GFXDECODE_ENTRY( "gfx1", 0, layout_8x8x8, 0, 1 ) // [0] Sprites
-GFXDECODE_END
-
-
-/***************************************************************************
-
- Machine Drivers
-
-***************************************************************************/
-
-void skyfox_state::machine_start()
-{
- save_item(NAME(m_bg_ctrl));
-}
-
-void skyfox_state::machine_reset()
-{
- m_bg_ctrl = 0;
-}
-
-void skyfox_state::skyfox(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, XTAL(8'000'000)/2); /* Verified at 4MHz */
- m_maincpu->set_addrmap(AS_PROGRAM, &skyfox_state::skyfox_map);
- // IM0, never enables ei opcode
-
- Z80(config, m_audiocpu, XTAL(14'318'181)/8); /* Verified at 1.789772MHz */
- m_audiocpu->set_addrmap(AS_PROGRAM, &skyfox_state::skyfox_sound_map);
-
- /* video hardware */
- SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
- // TODO: legacy screen configuration with no vblank irq
- m_screen->set_refresh_hz(62.65);
- m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */);
- m_screen->set_size(512, 256);
- m_screen->set_visarea(0+0x60, 320-1+0x60, 0+16, 256-1-16); // from $30*2 to $CC*2+8
- m_screen->set_screen_update(FUNC(skyfox_state::screen_update_skyfox));
- m_screen->set_palette(m_palette);
-
- GFXDECODE(config, m_gfxdecode, m_palette, gfx_skyfox);
- PALETTE(config, m_palette, FUNC(skyfox_state::skyfox_palette), 256); // 256 static colors
-
- /* sound hardware */
- SPEAKER(config, "mono").front_center();
-
- GENERIC_LATCH_8(config, m_soundlatch);
-
- YM2203(config, "ym1", XTAL(14'318'181)/8).add_route(ALL_OUTPUTS, "mono", 0.80); /* Verified at 1.789772MHz */
-
- YM2203(config, "ym2", XTAL(14'318'181)/8).add_route(ALL_OUTPUTS, "mono", 0.80); /* Verified at 1.789772MHz */
-}
-
-
-
-/***************************************************************************
-
- ROMs Loading
-
-****************************************************************************
-
- Sky Fox
-
-
-c042 : Lives
-c044-5 : Score (BCD)
-c048-9 : Power (BCD)
-
-****************************************************************************
-
- Exerizer [Bootleg]
-
-malcor
-
-Location Type File ID Checksum
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-TB 5E 27C256 1-J F302 [ background ]
-TB 5N 27C256 1-I F5E3 [ sound ]
-LB 27C256 1-A A53E [ program 1 ]
-LB 27C256 1-B 382C [ program 2 ]
-LB 27C512 1-C CDAC [ GFX ]
-LB 27C512 1-D 9C7A [ GFX ]
-LB 27C512 1-E D808 [ GFX ]
-LB 27C512 1-F F87E [ GFX ]
-LB 27C512 1-G 9709 [ GFX ]
-LB 27C512 1-H DFDA [ GFX ]
-TB 82S129 1.BPR 0972 [ video blue ]
-TB 82S129 2.BPR 0972 [ video red ]
-TB 82S129 3.BPR 0972 [ video green ]
-
-Lower board ROM locations:
-
----=======------=======----
-| CN2 CN1 |
-| 1-A |
-| |
-| 1-B |
-| |
-| |
-| 1 1 1 1 1 1|
-| H G F E D C|
----------------------------
-
-Notes - This archive is of a bootleg copy,
- - Japanese program revision
- - Although the colour PROMs have the same checksums,
- they are not the same.
-
-Main processor - Z80 @ 4MHz (8MHz OSC / 2)
-Sound processor - Z80 @ 1.789772MHz (14.31818MHz OSC / 8)
- - YM2203C x2 @ 1.789772MHzMHz (14.31818MHz OSC / 8)
-
-Vsync: 62.65hz
-
- CPU board: Jaleco made in japan ER-8736
-Video Board: Jaleco made in japan ER-8737
-
-***************************************************************************/
-
-
-ROM_START( skyfox )
- ROM_REGION( 0x10000, "maincpu", 0 ) /* Main Z80 Code */
- ROM_LOAD( "skyfox1.bin", 0x00000, 0x8000, CRC(b4d4bb6f) SHA1(ed1cf6d91ca7170cb7d1c80b586c11164430fd49) )
- ROM_LOAD( "skyfox2.bin", 0x08000, 0x8000, CRC(e15e0263) SHA1(005934327834aed46b17161aef82117ee508e9c4) ) // identical halves
-
- ROM_REGION( 0x10000, "audiocpu", 0 ) /* Sound Z80 Code */
- ROM_LOAD( "skyfox9.bin", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) )
-
- ROM_REGION( 0x60000, "gfx1", 0 ) /* Sprites */
- ROM_LOAD( "skyfox3.bin", 0x00000, 0x10000, CRC(3a17a929) SHA1(973fb36af416161e04a83d7869819d9b13df18cd) )
- ROM_LOAD( "skyfox4.bin", 0x10000, 0x10000, CRC(358053bb) SHA1(589e3270eda0d44e73fbc7ac06e782f332920b39) )
- ROM_LOAD( "skyfox5.bin", 0x20000, 0x10000, CRC(c1215a6e) SHA1(5ca30be8a68ac6a00907cc9e47ede0acec980f46) )
- ROM_LOAD( "skyfox6.bin", 0x30000, 0x10000, CRC(cc37e15d) SHA1(80806df6185f7b8c2d3ab98420ca514df3e63c8d) )
- ROM_LOAD( "skyfox7.bin", 0x40000, 0x10000, CRC(fa2ab5b4) SHA1(c0878b25dae28f7d49e14376ff885d1d4e3d5dfe) )
- ROM_LOAD( "skyfox8.bin", 0x50000, 0x10000, CRC(0e3edc49) SHA1(3d1c59ecaabe1c9517203b7e814db41d5cff0cd4) )
-
- ROM_REGION( 0x08000, "gfx2", 0 ) /* Background - do not dispose */
- ROM_LOAD( "skyfox10.bin", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) )
-
- ROM_REGION( 0x300, "proms", 0 ) /* Color Proms */
- ROM_LOAD( "sfoxrprm.bin", 0x000, 0x100, CRC(79913c7f) SHA1(e64e6a3eb55f37984cb2597c8ffba6bc3bad49c7) ) // R
- ROM_LOAD( "sfoxgprm.bin", 0x100, 0x100, CRC(fb73d434) SHA1(4a9bd61fbdce9441753c5921f95ead5c4655957e) ) // G
- ROM_LOAD( "sfoxbprm.bin", 0x200, 0x100, CRC(60d2ab41) SHA1(e58a54f2aaee5c07136d5437e513d61fb18fbd9f) ) // B
-ROM_END
-
-ROM_START( exerizer )
- ROM_REGION( 0x10000, "maincpu", 0 ) /* Main Z80 Code */
- ROM_LOAD( "1.2v", 0x00000, 0x8000, CRC(5df72a5d) SHA1(ca35ac06f3702fd650a584da2f442fbc61c00fce) )
- ROM_LOAD( "2.3v", 0x08000, 0x8000, CRC(e15e0263) SHA1(005934327834aed46b17161aef82117ee508e9c4) ) // 1-b
-
- ROM_REGION( 0x10000, "audiocpu", 0 ) /* Sound Z80 Code */
- ROM_LOAD( "9.5n", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) ) // 1-i
-
- ROM_REGION( 0x60000, "gfx1", 0 ) /* Sprites */
- ROM_LOAD( "3-1.7w", 0x00000, 0x10000, CRC(3a17a929) SHA1(973fb36af416161e04a83d7869819d9b13df18cd) )
- ROM_LOAD( "4.7u", 0x10000, 0x10000, CRC(358053bb) SHA1(589e3270eda0d44e73fbc7ac06e782f332920b39) ) // 1-d
- ROM_LOAD( "5-1.7t", 0x20000, 0x10000, CRC(c1215a6e) SHA1(5ca30be8a68ac6a00907cc9e47ede0acec980f46) )
- ROM_LOAD( "6.7s", 0x30000, 0x10000, CRC(cc37e15d) SHA1(80806df6185f7b8c2d3ab98420ca514df3e63c8d) ) // 1-f
- ROM_LOAD( "7.7p", 0x40000, 0x10000, CRC(c9bbfe5c) SHA1(ce3f7d32baa8bb0bfc110877b5b5f4648ee959ac) )
- ROM_LOAD( "8.7n", 0x50000, 0x10000, CRC(0e3edc49) SHA1(3d1c59ecaabe1c9517203b7e814db41d5cff0cd4) ) // 1-h
-
- ROM_REGION( 0x08000, "gfx2", 0 ) /* Background - do not dispose */
- ROM_LOAD( "10.5e", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) ) // 1-j
-
- ROM_REGION( 0x300, "proms", 0 ) /* Color Proms */
- ROM_LOAD( "r.1c", 0x000, 0x100, CRC(79913c7f) SHA1(e64e6a3eb55f37984cb2597c8ffba6bc3bad49c7) ) // 2-bpr
- ROM_LOAD( "g.1b", 0x100, 0x100, CRC(fb73d434) SHA1(4a9bd61fbdce9441753c5921f95ead5c4655957e) ) // 3-bpr
- ROM_LOAD( "b.1d", 0x200, 0x100, CRC(60d2ab41) SHA1(e58a54f2aaee5c07136d5437e513d61fb18fbd9f) ) // 1-bpr
-ROM_END
-
-ROM_START( exerizerb )
- ROM_REGION( 0x10000, "maincpu", 0 ) /* Main Z80 Code */
- ROM_LOAD( "1-a", 0x00000, 0x8000, CRC(5df72a5d) SHA1(ca35ac06f3702fd650a584da2f442fbc61c00fce) )
- ROM_LOAD( "skyfox2.bin", 0x08000, 0x8000, CRC(e15e0263) SHA1(005934327834aed46b17161aef82117ee508e9c4) ) // 1-b
-
- ROM_REGION( 0x10000, "audiocpu", 0 ) /* Sound Z80 Code */
- ROM_LOAD( "skyfox9.bin", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) ) // 1-i
-
- ROM_REGION( 0x60000, "gfx1", 0 ) /* Sprites */
- ROM_LOAD( "1-c", 0x00000, 0x10000, CRC(450e9381) SHA1(f99b2ca73f1e4ba91b8066bb6d28d33b66a3ee81) )
- ROM_LOAD( "skyfox4.bin", 0x10000, 0x10000, CRC(358053bb) SHA1(589e3270eda0d44e73fbc7ac06e782f332920b39) ) // 1-d
- ROM_LOAD( "1-e", 0x20000, 0x10000, CRC(50a38c60) SHA1(a4b8d530914d6c85b15940a7821b4365068de668) )
- ROM_LOAD( "skyfox6.bin", 0x30000, 0x10000, CRC(cc37e15d) SHA1(80806df6185f7b8c2d3ab98420ca514df3e63c8d) ) // 1-f
- ROM_LOAD( "1-g", 0x40000, 0x10000, CRC(c9bbfe5c) SHA1(ce3f7d32baa8bb0bfc110877b5b5f4648ee959ac) )
- ROM_LOAD( "skyfox8.bin", 0x50000, 0x10000, CRC(0e3edc49) SHA1(3d1c59ecaabe1c9517203b7e814db41d5cff0cd4) ) // 1-h
-
- ROM_REGION( 0x08000, "gfx2", 0 ) /* Background - do not dispose */
- ROM_LOAD( "skyfox10.bin", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) ) // 1-j
-
- ROM_REGION( 0x300, "proms", 0 ) /* Color Proms */
- ROM_LOAD( "sfoxrprm.bin", 0x000, 0x100, CRC(79913c7f) SHA1(e64e6a3eb55f37984cb2597c8ffba6bc3bad49c7) ) // 2-bpr
- ROM_LOAD( "sfoxgprm.bin", 0x100, 0x100, CRC(fb73d434) SHA1(4a9bd61fbdce9441753c5921f95ead5c4655957e) ) // 3-bpr
- ROM_LOAD( "sfoxbprm.bin", 0x200, 0x100, CRC(60d2ab41) SHA1(e58a54f2aaee5c07136d5437e513d61fb18fbd9f) ) // 1-bpr
-ROM_END
-
-
-/* Untangle the graphics: cut each 32x32x8 tile in 16 8x8x8 tiles */
-void skyfox_state::init_skyfox()
-{
- uint8_t *rom = memregion("gfx1")->base();
- uint8_t *end = rom + memregion("gfx1")->bytes();
- uint8_t buf[32 * 32];
-
- while (rom < end)
- {
- for (int i = 0; i < (32 * 32); i++)
- buf[i] = rom[(i % 8) + ((i / 8) % 8) * 32 + ((i / 64) % 4) * 8 + (i / 256) * 256];
-
- memcpy(rom, buf, 32 * 32);
- rom += 32 * 32;
- }
-}
-
-
-GAME( 1987, skyfox, 0, skyfox, skyfox, skyfox_state, init_skyfox, ROT90, "Jaleco (Nichibutsu USA license)", "Sky Fox", MACHINE_SUPPORTS_SAVE )
-GAME( 1987, exerizer, skyfox, skyfox, skyfox, skyfox_state, init_skyfox, ROT90, "Jaleco", "Exerizer (Japan)", MACHINE_SUPPORTS_SAVE )
-GAME( 1987, exerizerb, skyfox, skyfox, skyfox, skyfox_state, init_skyfox, ROT90, "bootleg", "Exerizer (bootleg)", MACHINE_SUPPORTS_SAVE )