// license:BSD-3-Clause // copyright-holders:Nicola Salmoria /*************************************************************************** Taxi Driver (c) 1984 Graphic Techno XTAL: 10MHz, 8MHz CPU: 3 * NEC D780C (clocks unknown) SOUND: 2 * AY-3-8910 (clocks unknown) OTHER: 5 * M5L8255AP ***************************************************************************/ #include "emu.h" #include "includes/taxidriv.h" #include "cpu/z80/z80.h" #include "machine/i8255.h" #include "sound/ay8910.h" #include "screen.h" #include "speaker.h" void taxidriv_state::machine_start() { save_item(NAME(m_s1)); save_item(NAME(m_s2)); save_item(NAME(m_s3)); save_item(NAME(m_s4)); save_item(NAME(m_latchA)); save_item(NAME(m_latchB)); save_item(NAME(m_bghide)); save_item(NAME(m_spritectrl)); } WRITE8_MEMBER(taxidriv_state::p2a_w){ spritectrl_w(space,0,data); } WRITE8_MEMBER(taxidriv_state::p2b_w){ spritectrl_w(space,1,data); } WRITE8_MEMBER(taxidriv_state::p2c_w){ spritectrl_w(space,2,data); } WRITE8_MEMBER(taxidriv_state::p3a_w){ spritectrl_w(space,3,data); } WRITE8_MEMBER(taxidriv_state::p3b_w){ spritectrl_w(space,4,data); } WRITE8_MEMBER(taxidriv_state::p3c_w){ spritectrl_w(space,5,data); } WRITE8_MEMBER(taxidriv_state::p4a_w){ spritectrl_w(space,6,data); } WRITE8_MEMBER(taxidriv_state::p4b_w){ spritectrl_w(space,7,data); } WRITE8_MEMBER(taxidriv_state::p4c_w){ spritectrl_w(space,8,data); } READ8_MEMBER(taxidriv_state::p0a_r) { return m_latchA; } READ8_MEMBER(taxidriv_state::p0c_r) { return (m_s1 << 7); } WRITE8_MEMBER(taxidriv_state::p0b_w) { m_latchB = data; } WRITE8_MEMBER(taxidriv_state::p0c_w) { m_s2 = data & 1; m_bghide = data & 2; /* bit 2 toggles during gameplay */ flip_screen_set(data & 8); // popmessage("%02x",data&0x0f); } READ8_MEMBER(taxidriv_state::p1b_r) { return m_latchB; } READ8_MEMBER(taxidriv_state::p1c_r) { return (m_s2 << 7) | (m_s4 << 6) | ((ioport("SERVCOIN")->read() & 1) << 4); } WRITE8_MEMBER(taxidriv_state::p1a_w) { m_latchA = data; } WRITE8_MEMBER(taxidriv_state::p1c_w) { m_s1 = data & 1; m_s3 = (data & 2) >> 1; } READ8_MEMBER(taxidriv_state::p8910_0a_r) { return m_latchA; } READ8_MEMBER(taxidriv_state::p8910_1a_r) { return m_s3; } /* note that a lot of writes happen with port B set as input. I think this is a bug in the original, since it works anyway even if the communication is flawed. */ WRITE8_MEMBER(taxidriv_state::p8910_0b_w) { m_s4 = data & 1; } void taxidriv_state::main_map(address_map &map) { map(0x0000, 0x7fff).rom(); map(0x8000, 0x8fff).ram(); /* ??? */ map(0x9000, 0x9fff).ram(); /* ??? */ map(0xa000, 0xafff).ram(); /* ??? */ map(0xb000, 0xbfff).ram(); /* ??? */ map(0xc000, 0xc7ff).ram().share("vram4"); /* radar bitmap */ map(0xc800, 0xcfff).writeonly().share("vram5"); /* "sprite1" bitmap */ map(0xd000, 0xd7ff).writeonly().share("vram6"); /* "sprite2" bitmap */ map(0xd800, 0xdfff).ram().share("vram7"); /* "sprite3" bitmap */ map(0xe000, 0xe3ff).ram().share("vram1"); /* car tilemap */ map(0xe400, 0xebff).ram().share("vram2"); /* bg1 tilemap */ map(0xec00, 0xefff).ram().share("vram0"); /* fg tilemap */ map(0xf000, 0xf3ff).ram().share("vram3"); /* bg2 tilemap */ map(0xf400, 0xf403).rw("ppi8255_0", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0xf480, 0xf483).rw("ppi8255_2", FUNC(i8255_device::read), FUNC(i8255_device::write)); /* "sprite1" placement */ map(0xf500, 0xf503).rw("ppi8255_3", FUNC(i8255_device::read), FUNC(i8255_device::write)); /* "sprite2" placement */ map(0xf580, 0xf583).rw("ppi8255_4", FUNC(i8255_device::read), FUNC(i8255_device::write)); /* "sprite3" placement */ //map(0xf780, 0xf781).writeonly(); /* more scroll registers? */ map(0xf782, 0xf787).writeonly().share("scroll"); /* bg scroll (three copies always identical) */ map(0xf800, 0xffff).ram(); } void taxidriv_state::cpu2_map(address_map &map) { map(0x0000, 0x3fff).rom(); map(0x6000, 0x67ff).ram(); map(0x8000, 0x87ff).ram(); map(0xa000, 0xa003).rw("ppi8255_1", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0xe000, 0xe000).portr("DSW0"); map(0xe001, 0xe001).portr("DSW1"); map(0xe002, 0xe002).portr("DSW2"); map(0xe003, 0xe003).portr("P1"); map(0xe004, 0xe004).portr("P2"); } void taxidriv_state::cpu3_map(address_map &map) { map(0x0000, 0x1fff).rom(); map(0x2000, 0x2000).nopr(); /* irq ack? */ map(0xfc00, 0xffff).ram(); } void taxidriv_state::cpu3_port_map(address_map &map) { map.global_mask(0xff); map(0x00, 0x01).w("ay1", FUNC(ay8910_device::address_data_w)); map(0x01, 0x01).r("ay1", FUNC(ay8910_device::data_r)); map(0x02, 0x03).w("ay2", FUNC(ay8910_device::address_data_w)); map(0x03, 0x03).r("ay2", FUNC(ay8910_device::data_r)); } static INPUT_PORTS_START( taxidriv ) PORT_START("DSW0") PORT_DIPNAME( 0x0f, 0x00, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x0d, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x0a, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x0e, DEF_STR( 4C_2C ) ) PORT_DIPSETTING( 0x07, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0b, DEF_STR( 3C_2C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x0c, DEF_STR( 3C_4C ) ) PORT_DIPSETTING( 0x08, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x09, DEF_STR( 2C_5C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0x06, DEF_STR( 1C_7C ) ) PORT_DIPSETTING( 0x0f, DEF_STR( Free_Play ) ) PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0xd0, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0xa0, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0xe0, DEF_STR( 4C_2C ) ) PORT_DIPSETTING( 0x70, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0xb0, DEF_STR( 3C_2C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0xc0, DEF_STR( 3C_4C ) ) PORT_DIPSETTING( 0x80, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x90, DEF_STR( 2C_5C ) ) PORT_DIPSETTING( 0x20, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x30, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x40, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x50, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0x60, DEF_STR( 1C_7C ) ) PORT_DIPSETTING( 0xf0, DEF_STR( Free_Play ) ) PORT_START("DSW1") PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x00, "3" ) PORT_DIPSETTING( 0x01, "4" ) PORT_DIPSETTING( 0x02, "5" ) PORT_DIPSETTING( 0x03, "255 (Cheat)") PORT_DIPNAME( 0x04, 0x04, DEF_STR( Cabinet ) ) PORT_DIPSETTING( 0x04, DEF_STR( Upright ) ) PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) ) PORT_DIPNAME( 0x38, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, "1" ) PORT_DIPSETTING( 0x08, "2" ) PORT_DIPSETTING( 0x10, "3" ) PORT_DIPSETTING( 0x18, "4" ) PORT_DIPSETTING( 0x20, "5" ) PORT_DIPSETTING( 0x28, "6" ) PORT_DIPSETTING( 0x30, "7" ) PORT_DIPSETTING( 0x38, "8" ) PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, "0" ) PORT_DIPSETTING( 0x40, "1" ) PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) PORT_START("DSW2") PORT_DIPNAME( 0x07, 0x00, "Fuel Consumption" ) PORT_DIPSETTING( 0x00, "Slowest" ) PORT_DIPSETTING( 0x01, "2" ) PORT_DIPSETTING( 0x02, "3" ) PORT_DIPSETTING( 0x03, "4" ) PORT_DIPSETTING( 0x04, "5" ) PORT_DIPSETTING( 0x05, "6" ) PORT_DIPSETTING( 0x06, "7" ) PORT_DIPSETTING( 0x07, "Fastest" ) PORT_DIPNAME( 0x38, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, "1" ) PORT_DIPSETTING( 0x08, "2" ) PORT_DIPSETTING( 0x10, "3" ) PORT_DIPSETTING( 0x18, "4" ) PORT_DIPSETTING( 0x20, "5" ) PORT_DIPSETTING( 0x28, "6" ) PORT_DIPSETTING( 0x30, "7" ) PORT_DIPSETTING( 0x38, "8" ) PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, "40/30" ) PORT_DIPSETTING( 0x40, "30/20" ) PORT_DIPSETTING( 0x80, "20/15" ) PORT_DIPSETTING( 0xc0, "10/10" ) PORT_START("P1") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START1 ) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_START("P2") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_COCKTAIL PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 ) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_COCKTAIL PORT_START("SERVCOIN") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SERVICE1 ) /* handled by p1c_r() */ INPUT_PORTS_END static const gfx_layout charlayout = { 8,8, RGN_FRAC(1,1), 4, { 0, 1, 2, 3 }, { 1*4, 0*4, 3*4, 2*4, 5*4, 4*4, 7*4, 6*4 }, { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 }, 32*8 }; static const gfx_layout charlayout2 = { 4,4, RGN_FRAC(1,1), 4, { 0, 1, 2, 3 }, { 1*4, 0*4, 3*4, 2*4 }, { 0*16, 1*16, 2*16, 3*16 }, 16*4 }; static GFXDECODE_START( gfx_taxidriv ) GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 1 ) GFXDECODE_ENTRY( "gfx2", 0, charlayout, 0, 1 ) GFXDECODE_ENTRY( "gfx3", 0, charlayout, 0, 1 ) GFXDECODE_ENTRY( "gfx4", 0, charlayout, 0, 1 ) GFXDECODE_ENTRY( "gfx5", 0, charlayout2, 0, 1 ) GFXDECODE_END void taxidriv_state::taxidriv_palette(palette_device &palette) const { uint8_t const *const color_prom = memregion("proms")->base(); // TODO: resistors, 1k & 470 for (int i = 0; i < 0x10; ++i) { int bit0, bit1; bit0 = BIT(color_prom[i], 0); bit1 = BIT(color_prom[i], 1); int const r = 0x55 * bit0 + 0xaa * bit1; bit0 = BIT(color_prom[i], 2); bit1 = BIT(color_prom[i], 3); int const g = 0x55 * bit0 + 0xaa * bit1; bit0 = BIT(color_prom[i], 4); bit1 = BIT(color_prom[i], 5); int const b = 0x55 * bit0 + 0xaa * bit1; palette.set_pen_color(i, rgb_t(r, g, b)); } } void taxidriv_state::taxidriv(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, 4000000); /* 4 MHz ??? */ m_maincpu->set_addrmap(AS_PROGRAM, &taxidriv_state::main_map); m_maincpu->set_vblank_int("screen", FUNC(taxidriv_state::irq0_line_hold)); z80_device &subcpu(Z80(config, "sub", 4000000)); /* 4 MHz ??? */ subcpu.set_addrmap(AS_PROGRAM, &taxidriv_state::cpu2_map); subcpu.set_vblank_int("screen", FUNC(taxidriv_state::irq0_line_hold)); /* ??? */ z80_device &audiocpu(Z80(config, "audiocpu", 4000000)); /* 4 MHz ??? */ audiocpu.set_addrmap(AS_PROGRAM, &taxidriv_state::cpu3_map); audiocpu.set_addrmap(AS_IO, &taxidriv_state::cpu3_port_map); audiocpu.set_vblank_int("screen", FUNC(taxidriv_state::irq0_line_hold)); /* ??? */ config.set_maximum_quantum(attotime::from_hz(6000)); /* 100 CPU slices per frame - a high value to ensure proper */ /* synchronization of the CPUs */ i8255_device &ppi0(I8255A(config, "ppi8255_0")); ppi0.in_pa_callback().set(FUNC(taxidriv_state::p0a_r)); ppi0.out_pb_callback().set(FUNC(taxidriv_state::p0b_w)); ppi0.in_pc_callback().set(FUNC(taxidriv_state::p0c_r)); ppi0.out_pc_callback().set(FUNC(taxidriv_state::p0c_w)); i8255_device &ppi1(I8255A(config, "ppi8255_1")); ppi1.out_pa_callback().set(FUNC(taxidriv_state::p1a_w)); ppi1.in_pb_callback().set(FUNC(taxidriv_state::p1b_r)); ppi1.in_pc_callback().set(FUNC(taxidriv_state::p1c_r)); ppi1.out_pc_callback().set(FUNC(taxidriv_state::p1c_w)); i8255_device &ppi2(I8255A(config, "ppi8255_2")); ppi2.out_pa_callback().set(FUNC(taxidriv_state::p2a_w)); ppi2.out_pb_callback().set(FUNC(taxidriv_state::p2b_w)); ppi2.out_pc_callback().set(FUNC(taxidriv_state::p2c_w)); i8255_device &ppi3(I8255A(config, "ppi8255_3")); ppi3.out_pa_callback().set(FUNC(taxidriv_state::p3a_w)); ppi3.out_pb_callback().set(FUNC(taxidriv_state::p3b_w)); ppi3.out_pc_callback().set(FUNC(taxidriv_state::p3c_w)); i8255_device &ppi4(I8255A(config, "ppi8255_4")); ppi4.out_pa_callback().set(FUNC(taxidriv_state::p4a_w)); ppi4.out_pb_callback().set(FUNC(taxidriv_state::p4b_w)); ppi4.out_pc_callback().set(FUNC(taxidriv_state::p4c_w)); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(60); screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); screen.set_size(32*8, 32*8); screen.set_visarea(0*8, 32*8-1, 1*8, 27*8-1); screen.set_screen_update(FUNC(taxidriv_state::screen_update)); screen.set_palette(m_palette); GFXDECODE(config, m_gfxdecode, m_palette, gfx_taxidriv); PALETTE(config, m_palette, FUNC(taxidriv_state::taxidriv_palette), 16); /* sound hardware */ SPEAKER(config, "mono").front_center(); ay8910_device &ay1(AY8910(config, "ay1", 1250000)); ay1.port_a_read_callback().set(FUNC(taxidriv_state::p8910_0a_r)); ay1.port_b_write_callback().set(FUNC(taxidriv_state::p8910_0b_w)); ay1.add_route(ALL_OUTPUTS, "mono", 0.25); ay8910_device &ay2(AY8910(config, "ay2", 1250000)); ay2.port_a_read_callback().set(FUNC(taxidriv_state::p8910_1a_r)); ay2.add_route(ALL_OUTPUTS, "mono", 0.25); } /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( taxidriv ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "1.ic87", 0x0000, 0x2000, CRC(6b2424e9) SHA1(a65bb01da8f3b0649d945981cc4f1324b7fac5c7) ) ROM_LOAD( "2.ic86", 0x2000, 0x2000, CRC(15111229) SHA1(0350918f9504b0e470684ebc94a823bb2513a54d) ) ROM_LOAD( "3.ic85", 0x4000, 0x2000, CRC(a7782eee) SHA1(0f10b7876420f4237937b1b922aa410de3f79af1) ) ROM_LOAD( "4.ic84", 0x6000, 0x2000, CRC(8eb0b16b) SHA1(a0015744373ee91bc505f077a04ab3546f8bb6fb) ) ROM_REGION( 0x10000, "sub", 0 ) ROM_LOAD( "8.ic4", 0x0000, 0x2000, CRC(9f9a3865) SHA1(908cf4f2cc68c088649241997276ea25c27d9718) ) // ROM_LOAD( "8.ic4", 0x0000, 0x2000, CRC(9835d517) SHA1(845f3efc54b64837c22dd06683c2950f2b8b03cb) ) // 0x1b5f = 0x04 instead of 0x03 from another set ROM_LOAD( "9.ic5", 0x2000, 0x2000, CRC(b28b766c) SHA1(21e08ef1e2671c8540380e3fa0858e8a4d821945) ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "7.ic14", 0x0000, 0x2000, CRC(2b4cbfe6) SHA1(a2a900831116554d5aea1a81c93245d3bb424d48) ) ROM_REGION( 0x2000, "gfx1", 0 ) ROM_LOAD( "5.m.ic68", 0x0000, 0x2000, CRC(a3aa5f2f) SHA1(7e046e2a5d230c62d93a83f5a773e6e4d6e85961) ) ROM_REGION( 0x2000, "gfx2", 0 ) ROM_LOAD( "6.1.ic35", 0x0000, 0x2000, CRC(bfddd550) SHA1(f528c2701c635bc61eda14fbe2cfe9b44cb75c20) ) ROM_REGION( 0x6000, "gfx3", 0 ) ROM_LOAD( "11.30.ic87", 0x0000, 0x2000, CRC(7485eaea) SHA1(8d69c61145470003cfeb33b11b81345c5e5e6503) ) ROM_LOAD( "14.31.ic110", 0x2000, 0x2000, CRC(0d99a33e) SHA1(0df29464ea43aecd866ae322f4f7ca9152422023) ) ROM_LOAD( "15.32.ic111", 0x4000, 0x2000, CRC(410fdf7c) SHA1(0957f335b84c4fbde983271786e7bf199fc22682) ) ROM_REGION( 0x2000, "gfx4", 0 ) ROM_LOAD( "10.40.ic99", 0x0000, 0x2000, CRC(c370b177) SHA1(4b3f73f764ff95cc7777fe01333558201658cead) ) ROM_REGION( 0x4000, "gfx5", 0 ) /* not used?? */ ROM_LOAD( "12.21.ic88", 0x0000, 0x2000, CRC(684b7bb0) SHA1(d83c45ff3adf94c649340227794020482231399f) ) ROM_LOAD( "13.20.ic89", 0x2000, 0x2000, CRC(d1ef110e) SHA1(e34b6b4b70c783a8cf1296a05d3cec6af5820d0c) ) ROM_REGION( 0x020, "proms", 0 ) ROM_LOAD( "tbp18s030.ic2", 0x0000, 0x020, CRC(c366a9c5) SHA1(d38581e5c425cab4a4f216d99651e86d8034a7d2) ) // color prom located at edge of pcb ROM_END GAME( 1984, taxidriv, 0, taxidriv, taxidriv, taxidriv_state, empty_init, ROT90, "Graphic Techno", "Taxi Driver", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )