/***************************************************************************
-= 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)
To Do: The background rendering is entirely guesswork
2008-07
Verified Dip locations and recommended settings with manual
***************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/2203intf.h"
#include "includes/skyfox.h"
/***************************************************************************
Main CPU
***************************************************************************/
/***************************************************************************
Sky Fox
***************************************************************************/
static ADDRESS_MAP_START( skyfox_map, AS_PROGRAM, 8, skyfox_state )
AM_RANGE(0x0000, 0xbfff) AM_ROM // ROM
AM_RANGE(0xc000, 0xcfff) AM_RAM // RAM
AM_RANGE(0xd000, 0xd3ff) AM_RAM AM_SHARE("spriteram") // Sprites
AM_RANGE(0xd400, 0xdfff) AM_RAM // RAM?
AM_RANGE(0xe000, 0xe000) AM_READ_PORT("INPUTS") // Input Ports
AM_RANGE(0xe001, 0xe001) AM_READ_PORT("DSW0") //
AM_RANGE(0xe002, 0xe002) AM_READ_PORT("DSW1") //
AM_RANGE(0xe008, 0xe00f) AM_WRITE(skyfox_vregs_w) // Video Regs
AM_RANGE(0xf001, 0xf001) AM_READ_PORT("DSW2") //
// AM_RANGE(0xff00, 0xff07) AM_READ(skyfox_vregs_r) // fake to read the vregs
ADDRESS_MAP_END
/***************************************************************************
Sound CPU
***************************************************************************/
/***************************************************************************
Sky Fox
***************************************************************************/
static ADDRESS_MAP_START( skyfox_sound_map, AS_PROGRAM, 8, skyfox_state )
AM_RANGE(0x0000, 0x7fff) AM_ROM // ROM
AM_RANGE(0x8000, 0x87ff) AM_RAM // RAM
// AM_RANGE(0x9000, 0x9001) AM_WRITENOP // ??
AM_RANGE(0xa000, 0xa001) AM_DEVREADWRITE_LEGACY("ym1", ym2203_r,ym2203_w) // YM2203 #1
// AM_RANGE(0xb000, 0xb001) AM_WRITENOP // ??
AM_RANGE(0xc000, 0xc001) AM_DEVREADWRITE_LEGACY("ym2", ym2203_r,ym2203_w) // YM2203 #2
AM_RANGE(0xb000, 0xb000) AM_READ(soundlatch_byte_r) // From Main CPU
ADDRESS_MAP_END
/***************************************************************************
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" )
// PORT_DIPSETTING( 0x06, "5" )
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
};
/***************************************************************************
Sky Fox
***************************************************************************/
static GFXDECODE_START( skyfox )
GFXDECODE_ENTRY( "gfx1", 0, layout_8x8x8, 0, 1 ) // [0] Sprites
GFXDECODE_END
/***************************************************************************
Machine Drivers
***************************************************************************/
/***************************************************************************
Sky Fox
***************************************************************************/
/* Scroll the background on every vblank (guess). */
INTERRUPT_GEN_MEMBER(skyfox_state::skyfox_interrupt)
{
/* Scroll the bg */
m_bg_pos += (m_bg_ctrl >> 1) & 0x7; // maybe..
}
void skyfox_state::machine_start()
{
m_maincpu = machine().device<cpu_device>("maincpu");
save_item(NAME(m_bg_pos));
save_item(NAME(m_bg_ctrl));
}
void skyfox_state::machine_reset()
{
m_bg_pos = 0;
m_bg_ctrl = 0;
}
static MACHINE_CONFIG_START( skyfox, skyfox_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, XTAL_8MHz/2) /* Verified at 4MHz */
MCFG_CPU_PROGRAM_MAP(skyfox_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", skyfox_state, skyfox_interrupt) /* NMI caused by coin insertion */
MCFG_CPU_ADD("audiocpu", Z80, XTAL_14_31818MHz/8) /* Verified at 1.789772MHz */
MCFG_CPU_PROGRAM_MAP(skyfox_sound_map)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(62.65)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) // we're using PORT_VBLANK
MCFG_SCREEN_SIZE(512, 256)
MCFG_SCREEN_VISIBLE_AREA(0+0x60, 320-1+0x60, 0+16, 256-1-16) // from $30*2 to $CC*2+8
MCFG_SCREEN_UPDATE_DRIVER(skyfox_state, screen_update_skyfox)
MCFG_GFXDECODE(skyfox)
MCFG_PALETTE_LENGTH(256+256) /* 256 static colors (+256 for the background??) */
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ym1", YM2203, XTAL_14_31818MHz/8) /* Verified at 1.789772MHz */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80)
MCFG_SOUND_ADD("ym2", YM2203, XTAL_14_31818MHz/8) /* Verified at 1.789772MHz */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80)
MACHINE_CONFIG_END
/***************************************************************************
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 */
DRIVER_INIT_MEMBER(skyfox_state,skyfox)
{
UINT8 *RAM = machine().root_device().memregion("gfx1")->base();
UINT8 *end = RAM + machine().root_device().memregion("gfx1")->bytes();
UINT8 buf[32 * 32];
while (RAM < end)
{
int i;
for (i = 0; i < (32 * 32); i++)
buf[i] = RAM[(i % 8) + ((i / 8) % 8) * 32 + ((i / 64) % 4) * 8 + (i / 256) * 256];
memcpy(RAM, buf, 32 * 32);
RAM += 32 * 32;
}
}
GAME( 1987, skyfox, 0, skyfox, skyfox, skyfox_state, skyfox, ROT90, "Jaleco (Nichibutsu USA license)", "Sky Fox" , GAME_SUPPORTS_SAVE )
GAME( 1987, exerizer, skyfox, skyfox, skyfox, skyfox_state, skyfox, ROT90, "Jaleco", "Exerizer (Japan)", GAME_SUPPORTS_SAVE )
GAME( 1987, exerizerb, skyfox, skyfox, skyfox, skyfox_state, skyfox, ROT90, "bootleg", "Exerizer (Japan) (bootleg)", GAME_SUPPORTS_SAVE )