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Diffstat (limited to 'src/mame/sigma/spiders.cpp')
-rw-r--r-- | src/mame/sigma/spiders.cpp | 670 |
1 files changed, 670 insertions, 0 deletions
diff --git a/src/mame/sigma/spiders.cpp b/src/mame/sigma/spiders.cpp new file mode 100644 index 00000000000..065546bc512 --- /dev/null +++ b/src/mame/sigma/spiders.cpp @@ -0,0 +1,670 @@ +// license:BSD-3-Clause +// copyright-holders:K.Wilkins,Zsolt Vasvari +/*************************************************************************** + + Sigma Spiders hardware + + original driver by K.Wilkins May 1998 + updates by Zsolt Vasvari + + Games Supported: + * Spiders (2 sets) + * Spinner (bootleg) + + Known bugs: + * None at this time + + + Memory map information + ---------------------- + + Main CPU - Read Range + + $0000-$1bff Video Memory (bit0) + $4000-$5bff Video Memory (bit1) + $8000-$9bff Video Memory (bit2) + $c000-$c001 6845 CRT Controller (mc6845) + $c020-$c027 NVRAM + $c044-$c047 MC6821 PIA 1 (Control input port - all input) + $c048-$c04b MC6821 PIA 2 (Sprite data port - see machine/spiders.c) + $c050-$c053 MC6821 PIA 3 (Sound control - all output) + $c060 Dip Switch 1 + $c080 Dip Switch 2 + $c0a0 Dip Switch 3 + $c100-ffff ROM SPACE + + Main CPU - Write Range + + $0000-$1bff Video Memory (bit0) + $4000-$5bff Video Memory (bit1) + $8000-$9bff Video Memory (bit2) + $c000-$c001 6845 CRT Controller (mc6845) + $c044-$c047 MC6821 PIA 1 + $c048-$c04b MC6821 PIA 2 (Video port) + $c050-$c053 MC6821 PIA 3 + + + DIP SWITCH 1 + ------------ + + 1 2 3 4 5 6 7 8 COIN/CREDIT + ON ON ON FREE PLAY + ON ON OFF 1/2 + ON OFF ON 1/3 + OFF ON ON 2/1 + ON OFF OFF 4/5 + OFF OFF OFF 1/1 + + DIP SWITCH 2 + ------------ + + 1 2 3 4 5 6 7 8 + ON ON MODE A A' + ON OFF A B' + OFF ON B A' + OFF OFF B B' + ON ON 14 # OF SPIDERS WHICH LAND TO + ON OFF 20 COMPLETE SPIDER BELT + OFF ON 26 + OFF OFF 16 + ON 4 # 0F SPARE GUNS + OFF 3 + ON ON NONE SCORE FOR BONUS GUN + ON OFF 20K + OFF ON 25K + OFF OFF 15K + ON GIANT SPIDER AFTER FIRST SCREEN + OFF GIANT SPIDER AFTER EVERY SCREEN + + PATTERN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 + MODE A 27 36 45 54 63 72 81 98 45 54 63 72 81 98 PCS + MODE B 20 27 34 41 48 55 62 69 34 41 48 55 62 69 PCS + MODE A' 1 1 1 3.5 3.5 4 4.5 5 1 3.5 3.5 4 4.5 5 SECONDS + MODE B' .7 .7 .7 2 3 3.2 3.4 4 .7 2 3 2.3 3.4 4 SECONDS + + MODE A & B FOR THE NUMBER OF GROWABLE COCOONS + MODE A' & B' FOR THE FREQUENCY OF SPIDERS APPEARANCE + + + DIP SWITCH 3 + ------------ + + 1 2 3 4 5 6 7 8 + X VIDEO FLIP + ON UPRIGHT + OFF TABLE + + SWITCHES 3,4,5 FOR ADJUSTING PICTURE VERTICALLY + SWITCHES 6,7,8 FOR ADJUSTING PICTURE HORIZONTALLY + + + Unpopulated Switches + -------------------- + + PS1 (Display Crosshatch) - Connected to PIA1 CB1 via pull-up + PS2 (Coin input, bypass counter) - Connected to PIA1 PA1 via pull-up and invertor + PS3 (Display coin counter) - Connected to PIA1 PA2 via pull-up and invertor + + + Graphic notes + ------------- + Following roms appear to have graphic data + + * Mapped in main CPU space + + * SP1.BIN - Appears to have some sprites in it. + * SP2.BIN - Appears to have some 16x16 sprites. (Includes the word SIGMA) + * SP3.BIN - Appears to have 2-4 sprites 16x16 - spiders + * SP4.BIN - CPU Code 6809 - Main + SP5.BIN - Some 8x8 and 16x16 tiles/sprites + SP6.BIN - Some 8x8 tiles + SP7.BIN - Tiles/Sprites 8x8 + SP8.BIN - Tiles/Sprites 8x8 + SP9A.BIN - Tiles/Sprites 8x8 + SP9B.BIN - Tiles/Sprites 8x8 + SP10A.BIN - Tiles/Sprites 8x8 + SP10B.BIN - CPU Code 6802 - Sound + + Spiders has a fully bitmapped display and all sprite drawing is handled by the CPU + hence no gfxdecode is done on the sprite ROMS, the CPU accesses them via PIA2. + + Screen is arranged in three memory areas with three bits being combined from each + area to produce a 3bit colour send directly to the screen. + + $0000-$1bff, $4000-$5bff, $8000-$9bff Bank 0 + $2000-$3bff, %6000-$7bff, $a000-$bbff Bank 1 + + The game normally runs from bank 0 only, but when lots of screen changes are required + e.g spider or explosion then it implements a double buffered scheme with bank 1. + + The ram bank for screens is continuous from $0000-$bfff but is physically arranged + as 3 banks of 16k (8x16k DRAM!). The CPU stack/variables etc are stored in the unused + spaces between screens. + + + CODE NOTES + ---------- + + 6809 Data page = $1c00 (DP=1c) + + Known data page contents + $05 - Dip switch 1 copy + $06 - Dip switch 2 copy (inverted) + $07 - Dip switch 3 copy + $18 - Bonus Gun Score + $1d - Spiders to complete belt after dipsw decode + + + $c496 - Wait for vblank ($c04a bit 7 goes high) + $f9cf - Clear screen (Bank0&1) + $c8c6 - RAM test of sorts, called from IRQ handler? + $de2f - Delay loop. + $f9bb - Memory clearance routine + $c761 - Partial DipSW decode + $F987 - Addresses table at $f98d containing four structs: + 3c 0C 04 0D 80 (Inverted screen bank 0) + 34 0C 00 0D 00 (Normal screen bank 0) + 3C 0C 40 0D 80 (Inverted screen bank 1) + 34 0C 44 0D 00 (Inverted screen bank 1) + XX Written to PIA2 Reg 3 - B control + XX XX Written to CRTC addr/data + XX XX Written to CRTC addr/data + These tables are used for frame flipping + + + Video access port definition (On PIA 2) + + Bit 7 6 5 4 3 2 1 0 + X Mode Setup/Read 1/0 + X X Latch select (see below) + X X X X Data nibble + + When in setup mode data is clocked into the latch by a read from port A + When in read mode the read from port A auto increments the address. + + Latch 0 - Low byte low nibble + 1 - Low byte high nibble + 2 - High order low nibble + 3 - High order high nibble + +***************************************************************************/ + +#include "emu.h" +#include "spiders.h" + +#include "cpu/m6800/m6800.h" +#include "cpu/m6809/m6809.h" +#include "machine/74123.h" +#include "machine/input_merger.h" +#include "machine/nvram.h" +#include "machine/rescap.h" +#include "video/mc6845.h" +#include "screen.h" + + +#define MAIN_CPU_MASTER_CLOCK (11200000) +#define PIXEL_CLOCK (MAIN_CPU_MASTER_CLOCK / 2) +#define CRTC_CLOCK (MAIN_CPU_MASTER_CLOCK / 16) + + +/************************************* + * + * PIA1 - Main CPU + * + *************************************/ + +INTERRUPT_GEN_MEMBER(spiders_state::update_pia_1) +{ + /* update the different PIA pins from the input ports */ + + /* CA1 - copy of PA1 (COIN1) */ + m_pia[0]->ca1_w(ioport("IN0")->read() & 0x02); + + /* CA2 - copy of PA0 (SERVICE1) */ + m_pia[0]->ca2_w(ioport("IN0")->read() & 0x01); + + /* CB1 - (crosshatch) */ + m_pia[0]->cb1_w(ioport("XHATCH")->read()); + + /* CB2 - NOT CONNECTED */ +} + + + +/************************************* + * + * IC60 - 74123 + * + * This timer is responsible for + * delaying the setting of PIA2's + * CA1 line. This delay ensures that + * CA1 is only changed in the VBLANK + * region, but not in HBLANK + * + *************************************/ + +void spiders_state::ic60_74123_output_changed(int state) +{ + m_pia[1]->ca1_w(state); +} + +/************************************* + * + * Machine start + * + *************************************/ + +void spiders_state::machine_start() +{ + /* setup for save states */ + save_item(NAME(m_flipscreen)); + save_item(NAME(m_gfx_rom_address)); + save_item(NAME(m_gfx_rom_ctrl_mode)); + save_item(NAME(m_gfx_rom_ctrl_latch)); + save_item(NAME(m_gfx_rom_ctrl_data)); +} + + + +/************************************* + * + * Video system + * + *************************************/ + + +void spiders_state::flipscreen_w(int state) +{ + m_flipscreen = state; +} + + +MC6845_UPDATE_ROW( spiders_state::crtc_update_row ) +{ + uint8_t x = 0; + + for (uint8_t cx = 0; cx < x_count; cx++) + { + /* the memory is hooked up to the MA, RA lines this way */ + offs_t offs = ((ma << 3) & 0x3f00) | + ((ra << 5) & 0x00e0) | + ((ma << 0) & 0x001f); + + if (m_flipscreen) + offs = offs ^ 0x3fff; + + uint8_t data1 = m_ram[0x0000 | offs]; + uint8_t data2 = m_ram[0x4000 | offs]; + uint8_t data3 = m_ram[0x8000 | offs]; + + for (int i = 0; i < 8; i++) + { + uint8_t color; + + if (m_flipscreen) + { + color = ((data3 & 0x80) >> 5) | + ((data2 & 0x80) >> 6) | + ((data1 & 0x80) >> 7); + + data1 <<= 1; + data2 <<= 1; + data3 <<= 1; + } + else + { + color = ((data3 & 0x01) << 2) | + ((data2 & 0x01) << 1) | + ((data1 & 0x01) << 0); + + data1 >>= 1; + data2 >>= 1; + data3 >>= 1; + } + + bitmap.pix(y, x) = m_palette->pen_color(color); + + x++; + } + + ma++; + } +} + + + +/************************************* + * + * Graphics ROM access - see the + * comments section for description + * + *************************************/ + +void spiders_state::gfx_rom_intf_w(uint8_t data) +{ + m_gfx_rom_ctrl_mode = ( data >> 7) & 0x01; + m_gfx_rom_ctrl_latch = ( data >> 4) & 0x03; + m_gfx_rom_ctrl_data = (~data >> 0) & 0x0f; +} + + +uint8_t spiders_state::gfx_rom_r() +{ + uint8_t ret; + + if (m_gfx_rom_ctrl_mode) + { + uint8_t *rom = memregion("gfx1")->base(); + + ret = rom[m_gfx_rom_address]; + + m_gfx_rom_address = m_gfx_rom_address + 1; + } + else + { + uint8_t shift_count = m_gfx_rom_ctrl_latch << 2; + m_gfx_rom_address = (m_gfx_rom_address & ~(0x0f << shift_count)) | (m_gfx_rom_ctrl_data << shift_count); + + ret = 0; + } + + return ret; +} + + + +/************************************* + * + * Memory handlers + * + *************************************/ + +void spiders_state::spiders_main_map(address_map &map) +{ + map(0x0000, 0xbfff).ram().share("ram"); + map(0xc000, 0xc000).w("crtc", FUNC(mc6845_device::address_w)); + map(0xc001, 0xc001).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); + map(0xc020, 0xc027).ram().share("nvram"); + map(0xc044, 0xc047).rw("pia1", FUNC(pia6821_device::read), FUNC(pia6821_device::write)); + map(0xc048, 0xc04b).rw("pia2", FUNC(pia6821_device::read_alt), FUNC(pia6821_device::write_alt)); + map(0xc050, 0xc053).rw("pia3", FUNC(pia6821_device::read), FUNC(pia6821_device::write)); + map(0xc060, 0xc060).portr("DSW1"); + map(0xc080, 0xc080).portr("DSW2"); + map(0xc0a0, 0xc0a0).portr("DSW3"); + map(0xc100, 0xffff).rom(); +} + + +void spiders_state::spiders_audio_map(address_map &map) +{ + map(0x0080, 0x0083).rw("pia4", FUNC(pia6821_device::read), FUNC(pia6821_device::write)); + map(0xf800, 0xffff).rom(); +} + + + +/************************************* + * + * Port definition + * + *************************************/ + +static INPUT_PORTS_START( spiders ) + /* PIA1 PA0 - PA7 */ + PORT_START("IN0") /* IN0 */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SERVICE1 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN1 ) + PORT_SERVICE_NO_TOGGLE( 0x04, IP_ACTIVE_HIGH ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_START2 ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SERVICE2 ) + + /* PIA1 PB0 - PB7 */ + PORT_START("IN1") /* IN1 */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_PLAYER(2) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_PLAYER(1) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_PLAYER(1) + PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START("DSW1") /* IN2, DSW1 */ + PORT_DIPNAME( 0x07, 0x07, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:1,2,3") + PORT_DIPSETTING( 0x01, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x07, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 4C_5C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) + PORT_BIT( 0xf8, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("DSW2") /* IN3, DSW2 */ + PORT_DIPNAME( 0x03, 0x03, "Play Mode" ) PORT_DIPLOCATION("SW2:1,2") + PORT_DIPSETTING( 0x00, "A A'" ) + PORT_DIPSETTING( 0x01, "A B'" ) + PORT_DIPSETTING( 0x02, "B A'" ) + PORT_DIPSETTING( 0x03, "B B'" ) + PORT_DIPNAME( 0x0c, 0x0c, "Spiders to Complete Belt" ) PORT_DIPLOCATION("SW2:3,4") + PORT_DIPSETTING( 0x00, "14" ) + PORT_DIPSETTING( 0x0c, "16" ) + PORT_DIPSETTING( 0x04, "20" ) + PORT_DIPSETTING( 0x08, "26" ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:5") + PORT_DIPSETTING( 0x10, "3" ) + PORT_DIPSETTING( 0x00, "4" ) + PORT_DIPNAME( 0x60, 0x60, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:6,7") + PORT_DIPSETTING( 0x00, DEF_STR( None ) ) + PORT_DIPSETTING( 0x60, "15K" ) + PORT_DIPSETTING( 0x20, "20K" ) + PORT_DIPSETTING( 0x40, "25K" ) + PORT_DIPNAME( 0x80, 0x00, "Giant Spiders" ) PORT_DIPLOCATION("SW2:8") + PORT_DIPSETTING( 0x00, "First Screen" ) + PORT_DIPSETTING( 0x80, "Every Screen" ) + + PORT_START("DSW3") /* IN4, DSW3 */ + PORT_DIPNAME( 0x01, 0x00, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW3:1") + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x01, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW3:2") + PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Cocktail ) ) + PORT_DIPNAME( 0x1c, 0x00, "Vertical Adjust" ) PORT_DIPLOCATION("SW3:3,4,5") + PORT_DIPSETTING( 0x00, "0" ) + PORT_DIPSETTING( 0x04, "1" ) + PORT_DIPSETTING( 0x08, "2" ) + PORT_DIPSETTING( 0x0c, "3" ) + PORT_DIPSETTING( 0x10, "4" ) + PORT_DIPSETTING( 0x14, "5" ) + PORT_DIPSETTING( 0x18, "6" ) + PORT_DIPSETTING( 0x1c, "7" ) + PORT_DIPNAME( 0xe0, 0x00, "Horizontal Adjust" ) PORT_DIPLOCATION("SW3:6,7,8") + PORT_DIPSETTING( 0x00, "0" ) + PORT_DIPSETTING( 0x20, "1" ) + PORT_DIPSETTING( 0x40, "2" ) + PORT_DIPSETTING( 0x60, "3" ) + PORT_DIPSETTING( 0x80, "4" ) + PORT_DIPSETTING( 0xa0, "5" ) + PORT_DIPSETTING( 0xc0, "6" ) + PORT_DIPSETTING( 0xe0, "7" ) + + PORT_START("XHATCH") /* connected to PIA1 CB1 input */ + PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("PS1 (Crosshatch)") PORT_CODE(KEYCODE_F1) + +INPUT_PORTS_END + + + +/************************************* + * + * Machine driver + * + *************************************/ + +void spiders_state::spiders(machine_config &config) +{ + /* basic machine hardware */ + MC6809(config, m_maincpu, 2800000); + m_maincpu->set_addrmap(AS_PROGRAM, &spiders_state::spiders_main_map); + m_maincpu->set_periodic_int(FUNC(spiders_state::update_pia_1), attotime::from_hz(25)); + + M6802(config, m_audiocpu, 3000000); + m_audiocpu->set_addrmap(AS_PROGRAM, &spiders_state::spiders_audio_map); + + NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); + + /* video hardware */ + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_raw(PIXEL_CLOCK, 360, 0, 256, 276, 0, 224); + screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update)); + + PALETTE(config, m_palette, palette_device::RGB_3BIT); + + mc6845_device &crtc(MC6845(config, "crtc", CRTC_CLOCK)); + crtc.set_screen("screen"); + crtc.set_show_border_area(false); + crtc.set_char_width(8); + crtc.set_update_row_callback(FUNC(spiders_state::crtc_update_row)); + crtc.out_de_callback().set("ic60", FUNC(ttl74123_device::a_w)); + + PIA6821(config, m_pia[0]); + m_pia[0]->readpa_handler().set_ioport("IN0"); + m_pia[0]->readpb_handler().set_ioport("IN1"); + m_pia[0]->irqa_handler().set("mainirq", FUNC(input_merger_device::in_w<0>)); + m_pia[0]->irqb_handler().set("mainirq", FUNC(input_merger_device::in_w<1>)); + + PIA6821(config, m_pia[1]); + m_pia[1]->readpa_handler().set(FUNC(spiders_state::gfx_rom_r)); + m_pia[1]->writepb_handler().set(FUNC(spiders_state::gfx_rom_intf_w)); + m_pia[1]->cb2_handler().set(FUNC(spiders_state::flipscreen_w)); + m_pia[1]->irqa_handler().set_inputline("maincpu", M6809_FIRQ_LINE); + m_pia[1]->irqb_handler().set("mainirq", FUNC(input_merger_device::in_w<2>)); + + PIA6821(config, m_pia[2]); + m_pia[2]->writepa_handler().set(FUNC(spiders_state::spiders_audio_ctrl_w)); + m_pia[2]->writepb_handler().set(FUNC(spiders_state::spiders_audio_command_w)); + m_pia[2]->irqa_handler().set("mainirq", FUNC(input_merger_device::in_w<3>)); + m_pia[2]->irqb_handler().set("mainirq", FUNC(input_merger_device::in_w<4>)); + + INPUT_MERGER_ANY_HIGH(config, "mainirq").output_handler().set_inputline(m_maincpu, M6809_IRQ_LINE); + + PIA6821(config, m_pia[3]); + m_pia[3]->writepa_handler().set(FUNC(spiders_state::spiders_audio_a_w)); + m_pia[3]->writepb_handler().set(FUNC(spiders_state::spiders_audio_b_w)); + m_pia[3]->irqa_handler().set_inputline("audiocpu", M6802_IRQ_LINE); + + ttl74123_device &ic60(TTL74123(config, "ic60", 0)); + ic60.set_connection_type(TTL74123_GROUNDED); /* the hook up type */ + ic60.set_resistor_value(RES_K(22)); /* resistor connected to RCext */ + ic60.set_capacitor_value(CAP_U(0.01)); /* capacitor connected to Cext and RCext */ + ic60.set_a_pin_value(1); /* A pin - driven by the CRTC */ + ic60.set_b_pin_value(1); /* B pin - pulled high */ + ic60.set_clear_pin_value(1); /* Clear pin - pulled high */ + ic60.out_cb().set(FUNC(spiders_state::ic60_74123_output_changed)); + + /* audio hardware */ + spiders_audio(config); +} + + + +/************************************* + * + * ROM definitions + * + *************************************/ + +ROM_START( spiders ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "sp-ic74", 0xc000, 0x1000, CRC(6a2578f6) SHA1(ddfe4fb2ccc925df7ae97821f8681b32e47630b4) ) + ROM_LOAD( "sp-ic73", 0xd000, 0x1000, CRC(d69b2f21) SHA1(ea2b07d19bd50c3b57da8fd8e13b8ab0e8ca3084) ) + ROM_LOAD( "sp-ic72", 0xe000, 0x1000, CRC(464125da) SHA1(94e9edd52e8bd72bbb5dc91b0aa11955e940799c) ) + ROM_LOAD( "sp-ic71", 0xf000, 0x1000, CRC(a9539b18) SHA1(2d02343a78a4a65e5a1798552cd015f16ad5423a) ) + + ROM_REGION( 0x10000, "audiocpu", 0 ) + ROM_LOAD( "sp-ic3", 0xf800, 0x0800, CRC(944d761e) SHA1(23b1f9234e0de678e96d1a6876d8d0a341150385) ) + + ROM_REGION( 0x10000, "gfx1", 0 ) + ROM_LOAD( "sp-ic33", 0x0000, 0x1000, CRC(b6731baa) SHA1(b551030df417b40f4a8488fc82a8b5809d3d32f6) ) + ROM_LOAD( "sp-ic25", 0x1000, 0x1000, CRC(baec64e7) SHA1(beb45e2e6270607c14cdf964c08fe320ce8236a0) ) + ROM_LOAD( "sp-ic24", 0x2000, 0x1000, CRC(a40a5517) SHA1(3f524c7dbbfe8aad7860d15c38d2702732895681) ) + ROM_LOAD( "sp-ic23", 0x3000, 0x1000, CRC(3ca08053) SHA1(20c5709d9650c426b91aed5318a9ab0a10009f17) ) + ROM_LOAD( "sp-ic22", 0x4000, 0x1000, CRC(07ea073c) SHA1(2e57831092730db5fbdb97c2d78d8842868906f4) ) + ROM_LOAD( "sp-ic21", 0x5000, 0x1000, CRC(41b344b4) SHA1(c0eac1e332da1eada062059ae742b666051da76c) ) + ROM_LOAD( "sp-ic20", 0x6000, 0x1000, CRC(4d37da5a) SHA1(37567d19596506385e9dcc7a7c0cf65120189ae0) ) +ROM_END + + +ROM_START( spiders2 ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "sp-ic74", 0xc000, 0x1000, CRC(6a2578f6) SHA1(ddfe4fb2ccc925df7ae97821f8681b32e47630b4) ) + ROM_LOAD( "sp2.bin", 0xd000, 0x1000, CRC(cf71d12b) SHA1(369e91f637e8cd898354ddee04e24d4894968f79) ) + ROM_LOAD( "sp-ic72", 0xe000, 0x1000, CRC(464125da) SHA1(94e9edd52e8bd72bbb5dc91b0aa11955e940799c) ) + ROM_LOAD( "sp4.bin", 0xf000, 0x1000, CRC(f3d126bb) SHA1(ecc9156a7da661fa7543d7656aa7da77274e0842) ) + + ROM_REGION( 0x10000, "audiocpu", 0 ) + ROM_LOAD( "sp-ic3", 0xf800, 0x0800, CRC(944d761e) SHA1(23b1f9234e0de678e96d1a6876d8d0a341150385) ) + + ROM_REGION( 0x10000, "gfx1", 0 ) + ROM_LOAD( "sp-ic33", 0x0000, 0x1000, CRC(b6731baa) SHA1(b551030df417b40f4a8488fc82a8b5809d3d32f6) ) + ROM_LOAD( "sp-ic25", 0x1000, 0x1000, CRC(baec64e7) SHA1(beb45e2e6270607c14cdf964c08fe320ce8236a0) ) + ROM_LOAD( "sp-ic24", 0x2000, 0x1000, CRC(a40a5517) SHA1(3f524c7dbbfe8aad7860d15c38d2702732895681) ) + ROM_LOAD( "sp-ic23", 0x3000, 0x1000, CRC(3ca08053) SHA1(20c5709d9650c426b91aed5318a9ab0a10009f17) ) + ROM_LOAD( "sp-ic22", 0x4000, 0x1000, CRC(07ea073c) SHA1(2e57831092730db5fbdb97c2d78d8842868906f4) ) + ROM_LOAD( "sp-ic21", 0x5000, 0x1000, CRC(41b344b4) SHA1(c0eac1e332da1eada062059ae742b666051da76c) ) + ROM_LOAD( "sp-ic20", 0x6000, 0x1000, CRC(4d37da5a) SHA1(37567d19596506385e9dcc7a7c0cf65120189ae0) ) +ROM_END + + +ROM_START( spinner ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "sp01-100.r1", 0xc000, 0x1000, CRC(e85faa36) SHA1(ef1c479d503ef6a833ae1f9d5a260f9e50c1f2d4) ) + ROM_LOAD( "sp02-99.s1", 0xd000, 0x1000, CRC(4bcd2b35) SHA1(dff3c6e68cc5384863a123661422d929e7406dee) ) + ROM_LOAD( "sp03-98.t1", 0xe000, 0x1000, CRC(fdabc5df) SHA1(a3276eb1f09f6a3c406721f89993a39c92fb7728) ) + ROM_LOAD( "sp04-97.v1", 0xf000, 0x1000, CRC(62798f96) SHA1(1407a2ccb2b8f998f2ee494f52a471b627895dbe) ) + + ROM_REGION( 0x10000, "audiocpu", 0 ) + ROM_LOAD( "sp41-28.d9", 0xf800, 0x0800, CRC(944d761e) SHA1(23b1f9234e0de678e96d1a6876d8d0a341150385) ) + + ROM_REGION( 0x10000, "gfx1", 0 ) + ROM_LOAD( "sp05-25.k8", 0x0000, 0x1000, CRC(ccc696ee) SHA1(1d41e9eb0cae73b221327d7b6e02450275d056c6) ) + ROM_LOAD( "sp06-17.k9", 0x1000, 0x1000, CRC(d3d06722) SHA1(da510ed162e5c310945123c9ce6d5648c7b0ae48) ) + ROM_LOAD( "sp07-16.l9", 0x2000, 0x1000, CRC(a40a5517) SHA1(3f524c7dbbfe8aad7860d15c38d2702732895681) ) + ROM_LOAD( "sp08-15.n9", 0x3000, 0x1000, CRC(3ca08053) SHA1(20c5709d9650c426b91aed5318a9ab0a10009f17) ) + ROM_LOAD( "sp09-14.o9", 0x4000, 0x1000, CRC(07ea073c) SHA1(2e57831092730db5fbdb97c2d78d8842868906f4) ) + ROM_LOAD( "sp10-13.q9", 0x5000, 0x1000, CRC(41b344b4) SHA1(c0eac1e332da1eada062059ae742b666051da76c) ) + ROM_LOAD( "sp11-12.r9", 0x6000, 0x1000, CRC(4d37da5a) SHA1(37567d19596506385e9dcc7a7c0cf65120189ae0) ) +ROM_END + +ROM_START( spiders3 ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "sp-ic74.bin", 0xc000, 0x1000, CRC(ed6b5dcd) SHA1(551fecb9adbab5cb5ac07fb27cc1fcfa03b5e832) ) + ROM_LOAD( "sp-ic73.bin", 0xd000, 0x1000, CRC(bc04f779) SHA1(a6366461a120d978b27470dad34a2270aee71428) ) + ROM_LOAD( "sp-ic72.bin", 0xe000, 0x1000, CRC(c7dd097d) SHA1(c7802ac33c1a67ffcb1891e74f0e43483f5b1016) ) + ROM_LOAD( "sp-ic71.bin", 0xf000, 0x1000, CRC(593b43c4) SHA1(f0cf06a22be205f00a9d52f766c3aae1985f0090) ) + + ROM_REGION( 0x10000, "audiocpu", 0 ) + ROM_LOAD( "sp-ic3.bin", 0xf800, 0x0800, CRC(153adee7) SHA1(45dbd756adb5d75562b066fc152c0af7925052de) ) + + ROM_REGION( 0x10000, "gfx1", 0 ) + ROM_LOAD( "sp-ic33.bin", 0x0000, 0x1000, CRC(7209dacd) SHA1(142de81c013f4074a8eaedc5cd7e9498e6910eb9) ) + ROM_LOAD( "sp-ic25.bin", 0x1000, 0x1000, CRC(d3d06722) SHA1(da510ed162e5c310945123c9ce6d5648c7b0ae48) ) + ROM_LOAD( "sp-ic24", 0x2000, 0x1000, CRC(a40a5517) SHA1(3f524c7dbbfe8aad7860d15c38d2702732895681) ) + ROM_LOAD( "sp-ic23", 0x3000, 0x1000, CRC(3ca08053) SHA1(20c5709d9650c426b91aed5318a9ab0a10009f17) ) + ROM_LOAD( "sp-ic22", 0x4000, 0x1000, CRC(07ea073c) SHA1(2e57831092730db5fbdb97c2d78d8842868906f4) ) + ROM_LOAD( "sp-ic21", 0x5000, 0x1000, CRC(41b344b4) SHA1(c0eac1e332da1eada062059ae742b666051da76c) ) + ROM_LOAD( "sp-ic20", 0x6000, 0x1000, CRC(4d37da5a) SHA1(37567d19596506385e9dcc7a7c0cf65120189ae0) ) +ROM_END + + +/************************************* + * + * Game drivers + * + *************************************/ + +/* this is a newer version with just one bug fix */ +GAME( 1981, spiders, 0, spiders, spiders, spiders_state, empty_init, ROT270, "Sigma Enterprises Inc.", "Spiders (set 1)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE) +GAME( 1981, spiders2, spiders, spiders, spiders, spiders_state, empty_init, ROT270, "Sigma Enterprises Inc.", "Spiders (set 2)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE) +GAME( 1981, spiders3, spiders, spiders, spiders, spiders_state, empty_init, ROT270, "Sigma Enterprises Inc.", "Spiders (set 3)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE) +GAME( 1981, spinner, spiders, spiders, spiders, spiders_state, empty_init, ROT270, "bootleg", "Spinner", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE) |