// license:BSD-3-Clause // copyright-holders:David Haywood /******************************************************************************* Shadow Force (c)1993 Technos Preliminary Driver by David Haywood Based on the Various Other Technos Games ******************************************************************************** Stephh's notes : - As for some other M68000 Technos games (or games running on similar hardware such as 'mugsmash'), the Inputs and the Dip Switches are mangled, so you need a specific read handler so end-users can see them in a "standard" order. 01-Sept-2008 - Pierpaolo Prazzoli - Added irqs ack - Implemented raster irq - Fixed coin2 and service input not working during the game - Added watchdog - Fixed visible area - Added video enable and irqs enable flags ******************************************************************************* Shadow Force Technos 1993 PCB Layout ---------- TA-0032-P1-24 MADE IN JAPAN |--------------------------------------------------------| |LA4460 MB3615 YM3012 3.579545MHz 32J8-0.32 | |VOL MB3615 YM2151 Z80 32J7-0.25 | | M6295 32J6-0.24 | | 32J9-0.76 32J10.42 32J5-0.13 | | 6116 32J4-0.12 | | |-------| | | |TECHNOS| | |J 62256 |TJ-005 | | |A 62256 13.4952MHz | | | |M 62256 28MHz |-------| | |M 32J11-0.55 6116 | |A |-------| |-------| 6116 | | |TECHNOS| |TECHNOS| | | |TJ-004 | |TJ-002 | 32J3-0.6 | |DSW3 | | | | 32J2-0.5 | |DSW2 |-------| |-------| 32J1-0.4 | |DSW1 32A12-0.34 | |CN2 32A14-0.33 | | 62256 32A13-0.26 62256 A1010 | | 68000 62256 32J15-0.14 62256 | |--------------------------------------------------------| Notes: 68000 - Clock 14.000MHz [28/2] Z80 - Clock 3.579545MHz YM2151 - Clock 3.579545MHz YM3012 - Clock 1.7897725MHz [3.579545/2] M6295 - Clock 1.6869MHz [13.4952/8]. Pin 7 HIGH (5.0V) A1010 - Actel A1010A-1 FPGA labelled 'TJ32A 92.11.30' (PLCC68) LA4460 - Audio Power Amp CN2 - 9 pin connector for extra buttons MB3615 - Fujitsu MB3615 Quad Operational Amplifier (like TL074 except pin 11 tied to GND, not -5V) 6116 - 2k x8 SRAM (DIP24) 62256 - 32k x8 SRAM (DIP28) DSW1/2/3 - 8-position dip switches ROMs ---- 32J1 to 32J8 - 16M mask ROM (DIP42) 32A12/13/14/J15 - 27C2001 EPROM (DIP32) 32J9 - 4M mask ROM (DIP32) 32J10 - 27C512 EPROM (DIP28) 32J11 - 27C010 EPROM (DIP32) Measurements ------------ X1 - 27.99987MHz X2 - 3.57899MHz X4 - 13.4894MHz VSync - 57.4446Hz HSync - 15.6248kHz -- Read Me -- Shadow Force (c)1993 Technos TA-0032-P1-23 (Japan version is TA-0032-P1-24) CPU: TMP68HC000P-16 Sound: Z80, YM2151, YM3012, OKI6295, MB3615 (x2) Custom: Actel A1010A-1 (TJ32A 92.11.30), TJ-002, TJ-004, TJ-005 X1: 28 MHz X2: 3.579545 MHz X4: 13.4952 MHz ROMs: Program: 32A12-01.34 = 27C2001 32A14-0.33 = 27C2001 32A13-01.26 = 27C2001 32A15-0.14 = 27C2001 Char: 32A11-0.55 = 27C010 Backgrounds: 32J1-0.4 = 8meg mask 32J2-0.5 = 8meg mask 32J3-0.6 = 8meg mask Sprites: 32J4-0.12 = 16meg mask 32J5-0.13 = 16meg mask 32J6-0.24 = 16meg mask 32J7-0.25 = 16meg mask 32J8-0.32 = 16meg mask Sound CPU: 32J10.42 = 27C512 Samples: 32J9-0.76 = 27C040 *******************************************************************************/ /* 68k interrupts lev 1 : 0x64 : 0004 fd00 - raster irq lev 2 : 0x68 : 0000 1f32 - inputs irq (reads inputs, ...) lev 3 : 0x6c : 0000 10f4 - vblank irq lev 4 : 0x70 : 0000 11d0 - just rte lev 5 : 0x74 : 0000 11d0 - just rte lev 6 : 0x78 : 0000 11d0 - just rte lev 7 : 0x7c : 0000 11d0 - just rte */ #include "emu.h" #include "includes/shadfrce.h" #include "cpu/m68000/m68000.h" #include "cpu/z80/z80.h" #include "machine/watchdog.h" #include "sound/ym2151.h" #include "speaker.h" WRITE16_MEMBER(shadfrce_state::flip_screen) { flip_screen_set(data & 0x01); } /* Ports mapping : $1d0020.w : 0123456789ABCDEF x--------------- right (player 1) -x-------------- left (player 1) --x------------- up (player 1) ---x------------ down (player 1) ----x----------- button 1 (player 1) -----x---------- button 2 (player 1) ------x--------- button 3 (player 1) -------x-------- start (player 1) --------x------- coin 1 ---------x------ coin 2 * ----------x----- service 1 * -----------x---- unused ------------x--- DIP2-7 -------------x-- DIP2-8 --------------x- unused ---------------x unused $1d0022.w : 0123456789ABCDEF x--------------- right (player 2) -x-------------- left (player 2) --x------------- up (player 2) ---x------------ down (player 2) ----x----------- button 1 (player 2) -----x---------- button 2 (player 2) ------x--------- button 3 (player 2) -------x-------- start (player 2) --------x------- DIP2-1 ("Difficulty") ---------x------ DIP2-2 ("Difficulty") ----------x----- DIP2-3 ("Stage Clear Energy Regain") -----------x---- DIP2-4 ("Stage Clear Energy Regain") ------------x--- DIP2-5 -------------x-- DIP2-6 --------------x- unused ---------------x unused $1d0024.w : 0123456789ABCDEF x--------------- button 4 (player 1) -x-------------- button 5 (player 1) --x------------- button 6 (player 1) ---x------------ button 4 (player 2) ----x----------- button 5 (player 2) -----x---------- button 6 (player 2) ------x--------- unused -------x-------- unused --------x------- DIP1-1 ---------x------ DIP1-2 ("Coin(s) for Credit(s)") ----------x----- DIP1-3 ("Coin(s) for Credit(s)") -----------x---- DIP1-4 (DEF_STR( Continue_Price )) ------------x--- DIP1-5 ("Free Play") -------------x-- DIP1-6 ("Flip Screen") --------------x- unused ---------------x unused $1d0026.w : 0123456789ABCDEF x--------------- unused -x-------------- unused --x------------- unused ---x------------ unused ----x----------- unused -----x---------- unused ------x--------- unused -------x-------- unused --------x------- DIP 1-7 ("Demo Sound") ---------x------ DIP 1-8 ("Test Mode") ----------x----- vblank? -----------x---- unused ------------x--- unknown -------------x-- unused --------------x- unused ---------------x unused * only available when you are in "test mode" */ READ16_MEMBER(shadfrce_state::input_ports_r) { uint16_t data = 0xffff; switch (offset) { case 0 : data = (m_io_p1->read() & 0xff) | ((m_io_dsw2->read() & 0xc0) << 6) | ((m_io_system->read() & 0x0f) << 8); break; case 1 : data = (m_io_p2->read() & 0xff) | ((m_io_dsw2->read() & 0x3f) << 8); break; case 2 : data = (m_io_extra->read() & 0xff) | ((m_io_dsw1->read() & 0x3f) << 8); break; case 3 : data = (m_io_other->read() & 0xff) | ((m_io_dsw1->read() & 0xc0) << 2) | ((m_io_misc->read() & 0x38) << 8) | (m_vblank << 8); break; } return (data); } WRITE8_MEMBER(shadfrce_state::screen_brt_w) { double brt = (data & 0xff) / 255.0; for (int i = 0; i < 0x4000; i++) m_palette->set_pen_contrast(i, brt); } WRITE16_MEMBER(shadfrce_state::irq_ack_w) { m_maincpu->set_input_line(offset ^ 3, CLEAR_LINE); } WRITE16_MEMBER(shadfrce_state::irq_w) { m_irqs_enable = data & 1; /* maybe, it's set/unset inside every trap instruction which is executed */ m_video_enable = data & 8; /* probably */ /* check if there's a high transition to enable the raster IRQ */ if((~m_prev_value & 4) && (data & 4)) { m_raster_irq_enable = 1; } /* check if there's a low transition to disable the raster IRQ */ if((m_prev_value & 4) && (~data & 4)) { m_raster_irq_enable = 0; } m_prev_value = data; } WRITE16_MEMBER(shadfrce_state::scanline_w) { m_raster_scanline = data; /* guess, 0 is always written */ } TIMER_DEVICE_CALLBACK_MEMBER(shadfrce_state::scanline) { int scanline = param; /* Vblank is lowered on scanline 0 */ if (scanline == 0) { m_vblank = 0; } /* Hack */ else if (scanline == (248-1)) /* -1 is an hack needed to avoid deadlocks */ { m_vblank = 4; } /* Raster interrupt - Perform raster effect on given scanline */ if (m_raster_irq_enable) { if (scanline == m_raster_scanline) { m_raster_scanline = (m_raster_scanline + 1) % 240; if (m_raster_scanline > 0) m_screen->update_partial(m_raster_scanline - 1); m_maincpu->set_input_line(1, ASSERT_LINE); } } /* An interrupt is generated every 16 scanlines */ if (m_irqs_enable) { if (scanline % 16 == 0) { if (scanline > 0) m_screen->update_partial(scanline - 1); m_maincpu->set_input_line(2, ASSERT_LINE); } } /* Vblank is raised on scanline 248 */ if (m_irqs_enable) { if (scanline == 248) { m_screen->update_partial(scanline - 1); m_maincpu->set_input_line(3, ASSERT_LINE); } } } /* Memory Maps */ void shadfrce_state::shadfrce_map(address_map &map) { map(0x000000, 0x0fffff).rom(); map(0x100000, 0x100fff).ram().w(this, FUNC(shadfrce_state::bg0videoram_w)).share("bg0videoram"); /* video */ map(0x101000, 0x101fff).ram(); map(0x102000, 0x1027ff).ram().w(this, FUNC(shadfrce_state::bg1videoram_w)).share("bg1videoram"); /* bg 2 */ map(0x102800, 0x103fff).ram(); map(0x140000, 0x141fff).ram().w(this, FUNC(shadfrce_state::fgvideoram_w)).share("fgvideoram"); map(0x142000, 0x143fff).ram().share("spvideoram"); /* sprites */ map(0x180000, 0x187fff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette"); map(0x1c0000, 0x1c0001).w(this, FUNC(shadfrce_state::bg0scrollx_w)); /* SCROLL X */ map(0x1c0002, 0x1c0003).w(this, FUNC(shadfrce_state::bg0scrolly_w)); /* SCROLL Y */ map(0x1c0004, 0x1c0005).w(this, FUNC(shadfrce_state::bg1scrollx_w)); /* SCROLL X */ map(0x1c0006, 0x1c0007).w(this, FUNC(shadfrce_state::bg1scrolly_w)); /* SCROLL Y */ map(0x1c0008, 0x1c0009).nopw(); /* ?? */ map(0x1c000a, 0x1c000b).nopr().w(this, FUNC(shadfrce_state::flip_screen)); map(0x1c000c, 0x1c000d).nopw(); /* ?? */ map(0x1d0000, 0x1d0005).w(this, FUNC(shadfrce_state::irq_ack_w)); map(0x1d0006, 0x1d0007).w(this, FUNC(shadfrce_state::irq_w)); map(0x1d0008, 0x1d0009).w(this, FUNC(shadfrce_state::scanline_w)); map(0x1d000c, 0x1d000d).nopr(); map(0x1d000c, 0x1d000c).w(m_soundlatch, FUNC(generic_latch_8_device::write)); map(0x1d000d, 0x1d000d).w(this, FUNC(shadfrce_state::screen_brt_w)); map(0x1d0010, 0x1d0011).nopw(); /* ?? */ map(0x1d0012, 0x1d0013).nopw(); /* ?? */ map(0x1d0014, 0x1d0015).nopw(); /* ?? */ map(0x1d0016, 0x1d0017).w("watchdog", FUNC(watchdog_timer_device::reset16_w)); map(0x1d0020, 0x1d0027).r(this, FUNC(shadfrce_state::input_ports_r)); map(0x1f0000, 0x1fffff).ram(); } /* and the sound cpu */ WRITE8_MEMBER(shadfrce_state::oki_bankswitch_w) { m_oki->set_rom_bank(data & 1); } void shadfrce_state::shadfrce_sound_map(address_map &map) { map(0x0000, 0xbfff).rom(); map(0xc000, 0xc7ff).ram(); map(0xc800, 0xc801).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write)); map(0xd800, 0xd800).rw(m_oki, FUNC(okim6295_device::read), FUNC(okim6295_device::write)); map(0xe000, 0xe000).r(m_soundlatch, FUNC(generic_latch_8_device::read)); map(0xe800, 0xe800).w(this, FUNC(shadfrce_state::oki_bankswitch_w)); map(0xf000, 0xffff).ram(); } /* Input Ports */ /* Similar to MUGSMASH_PLAYER_INPUT in drivers/mugsmash.c */ #define SHADFRCE_PLAYER_INPUT( player, start ) \ PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(player) PORT_8WAY \ PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(player) PORT_8WAY \ PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(player) PORT_8WAY \ PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(player) PORT_8WAY \ PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(player) \ PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(player) \ PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(player) \ PORT_BIT( 0x0080, IP_ACTIVE_LOW, start ) static INPUT_PORTS_START( shadfrce ) PORT_START("P1") /* Fake IN0 (player 1 inputs) */ SHADFRCE_PLAYER_INPUT( 1, IPT_START1 ) PORT_START("P2") /* Fake IN1 (player 2 inputs) */ SHADFRCE_PLAYER_INPUT( 2, IPT_START2 ) PORT_START("EXTRA") /* Fake IN2 (players 1 & 2 extra inputs */ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("OTHER") /* Fake IN3 (other extra inputs ?) */ PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("SYSTEM") /* Fake IN4 (system inputs) */ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) /* only in "test mode" ? */ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 ) /* only in "test mode" ? */ PORT_BIT( 0xf8, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("MISC") /* Fake IN5 (misc) */ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_CUSTOM ) /* guess */ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* must be ACTIVE_LOW or 'shadfrcj' jumps to the end (code at 0x04902e) */ PORT_BIT( 0xeb, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("DSW1") /*DSW1, not mapped directly */ PORT_DIPNAME( 0x01, 0x01, "Unused DIP 1-1" ) PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x06, 0x06, DEF_STR( Coinage ) ) PORT_DIPSETTING( 0x00, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x06, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Continue_Price ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Free_Play ) ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Flip_Screen ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Demo_Sounds ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_SERVICE( 0x80, IP_ACTIVE_LOW ) PORT_START("DSW2") /* DSW2, not mapped directly */ PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) ) PORT_DIPSETTING( 0x01, DEF_STR( Easy ) ) PORT_DIPSETTING( 0x03, DEF_STR( Normal ) ) PORT_DIPSETTING( 0x02, DEF_STR( Hard ) ) /* "Advanced" */ PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) ) /* "Expert" */ PORT_DIPNAME( 0x0c, 0x0c, "Stage Clear Energy Regain" ) PORT_DIPSETTING( 0x04, "50%" ) PORT_DIPSETTING( 0x0c, "25%" ) PORT_DIPSETTING( 0x08, "10%" ) PORT_DIPSETTING( 0x00, "0%" ) PORT_DIPNAME( 0x10, 0x10, "Unused DIP 2-5" ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, "Unused DIP 2-6" ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, "Unused DIP 2-7" ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, "Unused DIP 2-8" ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END /* Graphic Decoding */ static const gfx_layout fg8x8x4_layout = { 8,8, RGN_FRAC(1,1), 4, { 0, 2, 4, 6 }, { 1, 0, 8*8+1, 8*8+0, 16*8+1, 16*8+0, 24*8+1, 24*8+0 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 4*8*8 }; static const gfx_layout sp16x16x5_layout = { 16,16, RGN_FRAC(1,5), 5, { RGN_FRAC(4,5), RGN_FRAC(3,5), RGN_FRAC(2,5), RGN_FRAC(1,5), RGN_FRAC(0,5) }, { STEP8(0,1), STEP8(16*8,1) }, { STEP16(0,8) }, 16*16 }; static const gfx_layout bg16x16x6_layout = { 16,16, RGN_FRAC(1,3), 6, { RGN_FRAC(0,3)+8, RGN_FRAC(0,3), RGN_FRAC(1,3)+8, RGN_FRAC(1,3), RGN_FRAC(2,3)+8, RGN_FRAC(2,3) }, { STEP8(0,1), STEP8(16*16,1) }, { STEP16(0,16) }, 2*16*16 }; static GFXDECODE_START( gfx_shadfrce ) GFXDECODE_ENTRY( "chars", 0, fg8x8x4_layout, 0x0000, 256 ) GFXDECODE_ENTRY( "sprites", 0, sp16x16x5_layout, 0x1000, 128 ) GFXDECODE_ENTRY( "tiles", 0, bg16x16x6_layout, 0x2000, 128 ) GFXDECODE_END /* Machine Driver Bits */ MACHINE_CONFIG_START(shadfrce_state::shadfrce) MCFG_DEVICE_ADD("maincpu", M68000, XTAL(28'000'000) / 2) /* verified on pcb */ MCFG_DEVICE_PROGRAM_MAP(shadfrce_map) MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", shadfrce_state, scanline, "screen", 0, 1) MCFG_DEVICE_ADD("audiocpu", Z80, XTAL(3'579'545)) /* verified on pcb */ MCFG_DEVICE_PROGRAM_MAP(shadfrce_sound_map) MCFG_WATCHDOG_ADD("watchdog") MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_RAW_PARAMS(XTAL(28'000'000) / 4, 448, 0, 320, 272, 8, 248) /* HTOTAL and VTOTAL are guessed */ MCFG_SCREEN_UPDATE_DRIVER(shadfrce_state, screen_update) MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(*this, shadfrce_state, screen_vblank)) MCFG_SCREEN_PALETTE("palette") MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_shadfrce) MCFG_PALETTE_ADD("palette", 0x4000) MCFG_PALETTE_FORMAT(xBBBBBGGGGGRRRRR) /* sound hardware */ SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); MCFG_GENERIC_LATCH_8_ADD("soundlatch") MCFG_GENERIC_LATCH_DATA_PENDING_CB(INPUTLINE("audiocpu", INPUT_LINE_NMI)) MCFG_DEVICE_ADD("ymsnd", YM2151, XTAL(3'579'545)) /* verified on pcb */ MCFG_YM2151_IRQ_HANDLER(INPUTLINE("audiocpu", 0)) MCFG_SOUND_ROUTE(0, "lspeaker", 0.50) MCFG_SOUND_ROUTE(1, "rspeaker", 0.50) MCFG_DEVICE_ADD("oki", OKIM6295, XTAL(13'495'200)/8, okim6295_device::PIN7_HIGH) /* verified on pcb */ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50) MACHINE_CONFIG_END /* Rom Defs. */ // one of the high score tables in attract mode ends up corrupt on this set due to the game triggering a text dialog box, is this due to a timing error? ROM_START( shadfrce ) ROM_REGION( 0x100000, "maincpu", 0 ) /* 68000 Code */ ROM_LOAD16_BYTE( "32a12-011.34", 0x00001, 0x40000, CRC(0c041e08) SHA1(7b9d52cb1f6bc217c6e64287bd9630aa37243513) ) /* World Version 3 */ ROM_LOAD16_BYTE( "32a13-010.26", 0x00000, 0x40000, CRC(00985361) SHA1(e9da1b096b25a6ee46bab6230dda66dccdd4bed8) ) ROM_LOAD16_BYTE( "32a14-010.33", 0x80001, 0x40000, CRC(ea03ca25) SHA1(7af1ee7c36c70f80ba1e096473b5786b205ab00b) ) ROM_LOAD16_BYTE( "32j15-01.14", 0x80000, 0x40000, CRC(3dc3a84a) SHA1(166ad91b93192d94e3f6d2fe6dde02f59d334f75) ) // matches Japan version 2, not US version 2 ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 Code */ ROM_LOAD( "32j10-0.42", 0x00000, 0x10000, CRC(65daf475) SHA1(7144332b2d17af8645e22e1926b33113db0d20e2) ) ROM_REGION( 0x020000, "chars", 0 ) /* Chars */ ROM_LOAD( "32j11-0.55", 0x00000, 0x20000, CRC(7252d993) SHA1(43f7de381841039aa290486aafb98e2cf3b8579b) ) ROM_REGION( 0xa00000, "sprites", 0 ) /* Sprite Tiles */ ROM_LOAD( "32j4-0.12", 0x000000, 0x200000, CRC(1ebea5b6) SHA1(35bd49dda9ad75326d45ffb10c87d83fc4f1b7a8) ) ROM_LOAD( "32j5-0.13", 0x200000, 0x200000, CRC(600026b5) SHA1(5641246300d7e20dcff1eae004647faaee6cd1c6) ) ROM_LOAD( "32j6-0.24", 0x400000, 0x200000, CRC(6cde8ebe) SHA1(750933798235951fe24b2e667c33f692612c0aa0) ) ROM_LOAD( "32j7-0.25", 0x600000, 0x200000, CRC(bcb37922) SHA1(f3eee73c8b9f4873a7f1cc42e334e7502eaee3c8) ) ROM_LOAD( "32j8-0.32", 0x800000, 0x200000, CRC(201bebf6) SHA1(c89d2895ea5b19daea1f88542419f4e10f437c73) ) ROM_REGION( 0x300000, "tiles", 0 ) /* BG Tiles */ ROM_LOAD( "32j1-0.4", 0x000000, 0x100000, CRC(f1cca740) SHA1(339079b95ca137e66b4f032ad67a0adf58cca100) ) ROM_LOAD( "32j2-0.5", 0x100000, 0x100000, CRC(5fac3e01) SHA1(20c30f4c76e303285ae37e596afe86aa4812c3b9) ) ROM_LOAD( "32j3-0.6", 0x200000, 0x100000, CRC(d297925e) SHA1(5bc4d37bf0dc54114884c816b94a64ef1ccfeda5) ) ROM_REGION( 0x080000, "oki", 0 ) /* Samples */ ROM_LOAD( "32j9-0.76", 0x000000, 0x080000, CRC(16001e81) SHA1(67928d2024f963aee91f1498b6f4c76101d2f3b8) ) ROM_END ROM_START( shadfrceu ) ROM_REGION( 0x100000, "maincpu", 0 ) /* 68000 Code */ ROM_LOAD16_BYTE( "32a12-01.34", 0x00001, 0x40000, CRC(04501198) SHA1(50f981c13f9ed19d681d494376018ba86464ea13) ) /* US Version 2 */ ROM_LOAD16_BYTE( "32a13-01.26", 0x00000, 0x40000, CRC(b8f8a05c) SHA1(bd9d4218a7cf57b56aec1f7e710e02af8471f9d7) ) ROM_LOAD16_BYTE( "32a14-0.33", 0x80001, 0x40000, CRC(08279be9) SHA1(1833526b23feddb58b21874070ad2bf3b6be8dca) ) ROM_LOAD16_BYTE( "32a15-0.14", 0x80000, 0x40000, CRC(bfcadfea) SHA1(1caa9fc30d8622ce4c7221039c446e99cc8f5346) ) ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 Code */ ROM_LOAD( "32j10-0.42", 0x00000, 0x10000, CRC(65daf475) SHA1(7144332b2d17af8645e22e1926b33113db0d20e2) ) ROM_REGION( 0x020000, "chars", 0 ) /* Chars */ ROM_LOAD( "32a11-0.55", 0x00000, 0x20000, CRC(cfaf5e77) SHA1(eab76e085f695c74cc868aaf95f04ff2acf66ee9) ) ROM_REGION( 0xa00000, "sprites", 0 ) /* Sprite Tiles */ ROM_LOAD( "32j4-0.12", 0x000000, 0x200000, CRC(1ebea5b6) SHA1(35bd49dda9ad75326d45ffb10c87d83fc4f1b7a8) ) ROM_LOAD( "32j5-0.13", 0x200000, 0x200000, CRC(600026b5) SHA1(5641246300d7e20dcff1eae004647faaee6cd1c6) ) ROM_LOAD( "32j6-0.24", 0x400000, 0x200000, CRC(6cde8ebe) SHA1(750933798235951fe24b2e667c33f692612c0aa0) ) ROM_LOAD( "32j7-0.25", 0x600000, 0x200000, CRC(bcb37922) SHA1(f3eee73c8b9f4873a7f1cc42e334e7502eaee3c8) ) ROM_LOAD( "32j8-0.32", 0x800000, 0x200000, CRC(201bebf6) SHA1(c89d2895ea5b19daea1f88542419f4e10f437c73) ) ROM_REGION( 0x300000, "tiles", 0 ) /* BG Tiles */ ROM_LOAD( "32j1-0.4", 0x000000, 0x100000, CRC(f1cca740) SHA1(339079b95ca137e66b4f032ad67a0adf58cca100) ) ROM_LOAD( "32j2-0.5", 0x100000, 0x100000, CRC(5fac3e01) SHA1(20c30f4c76e303285ae37e596afe86aa4812c3b9) ) ROM_LOAD( "32j3-0.6", 0x200000, 0x100000, CRC(d297925e) SHA1(5bc4d37bf0dc54114884c816b94a64ef1ccfeda5) ) ROM_REGION( 0x080000, "oki", 0 ) /* Samples */ ROM_LOAD( "32j9-0.76", 0x000000, 0x080000, CRC(16001e81) SHA1(67928d2024f963aee91f1498b6f4c76101d2f3b8) ) ROM_END ROM_START( shadfrcej ) ROM_REGION( 0x100000, "maincpu", 0 ) /* 68000 Code */ ROM_LOAD16_BYTE( "32j12-01.34", 0x00001, 0x40000, CRC(38fdbe1d) SHA1(476d8ef2c0d2a8c568ce44631f93f8c730f91b08) ) /* Japan Version 2 */ ROM_LOAD16_BYTE( "32j13-01.26", 0x00000, 0x40000, CRC(6e1df6f1) SHA1(c165553fe967b437413dd7ddc87a267548dd0ca9) ) ROM_LOAD16_BYTE( "32j14-01.33", 0x80001, 0x40000, CRC(89e3fb60) SHA1(90de38558d63215a0079079030e8b1097599c9e5) ) ROM_LOAD16_BYTE( "32j15-01.14", 0x80000, 0x40000, CRC(3dc3a84a) SHA1(166ad91b93192d94e3f6d2fe6dde02f59d334f75) ) ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 Code */ ROM_LOAD( "32j10-0.42", 0x00000, 0x10000, CRC(65daf475) SHA1(7144332b2d17af8645e22e1926b33113db0d20e2) ) ROM_REGION( 0x020000, "chars", 0 ) /* Chars */ ROM_LOAD( "32j11-0.55", 0x00000, 0x20000, CRC(7252d993) SHA1(43f7de381841039aa290486aafb98e2cf3b8579b) ) ROM_REGION( 0xa00000, "sprites", 0 ) /* Sprite Tiles */ ROM_LOAD( "32j4-0.12", 0x000000, 0x200000, CRC(1ebea5b6) SHA1(35bd49dda9ad75326d45ffb10c87d83fc4f1b7a8) ) ROM_LOAD( "32j5-0.13", 0x200000, 0x200000, CRC(600026b5) SHA1(5641246300d7e20dcff1eae004647faaee6cd1c6) ) ROM_LOAD( "32j6-0.24", 0x400000, 0x200000, CRC(6cde8ebe) SHA1(750933798235951fe24b2e667c33f692612c0aa0) ) ROM_LOAD( "32j7-0.25", 0x600000, 0x200000, CRC(bcb37922) SHA1(f3eee73c8b9f4873a7f1cc42e334e7502eaee3c8) ) ROM_LOAD( "32j8-0.32", 0x800000, 0x200000, CRC(201bebf6) SHA1(c89d2895ea5b19daea1f88542419f4e10f437c73) ) ROM_REGION( 0x300000, "tiles", 0 ) /* BG Tiles */ ROM_LOAD( "32j1-0.4", 0x000000, 0x100000, CRC(f1cca740) SHA1(339079b95ca137e66b4f032ad67a0adf58cca100) ) ROM_LOAD( "32j2-0.5", 0x100000, 0x100000, CRC(5fac3e01) SHA1(20c30f4c76e303285ae37e596afe86aa4812c3b9) ) ROM_LOAD( "32j3-0.6", 0x200000, 0x100000, CRC(d297925e) SHA1(5bc4d37bf0dc54114884c816b94a64ef1ccfeda5) ) ROM_REGION( 0x080000, "oki", 0 ) /* Samples */ ROM_LOAD( "32j9-0.76", 0x000000, 0x080000, CRC(16001e81) SHA1(67928d2024f963aee91f1498b6f4c76101d2f3b8) ) ROM_END GAME( 1993, shadfrce, 0, shadfrce, shadfrce, shadfrce_state, empty_init, ROT0, "Technos Japan", "Shadow Force (World, Version 3)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE ) GAME( 1993, shadfrceu, shadfrce, shadfrce, shadfrce, shadfrce_state, empty_init, ROT0, "Technos Japan", "Shadow Force (US, Version 2)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE ) GAME( 1993, shadfrcej, shadfrce, shadfrce, shadfrce, shadfrce_state, empty_init, ROT0, "Technos Japan", "Shadow Force (Japan, Version 2)", MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )