// license:BSD-3-Clause // copyright-holders:Stefan Jokisch /*************************************************************************** Taito / Midway Super Speed Race driver TODO: - add Japan version(s), it has different graphics ***************************************************************************/ #include "emu.h" #include "includes/sspeedr.h" #include "audio/nl_sspeedr.h" #include "speaker.h" #include "cpu/z80/z80.h" #include "machine/watchdog.h" #include "screen.h" #include "sspeedr.lh" void sspeedr_state::palette(palette_device &palette) const { for (int i = 0; i < 16; i++) { int r = BIT(i, 0) ? 0xb0 : 0x20; int g = BIT(i, 1) ? 0xb0 : 0x20; int b = BIT(i, 2) ? 0xb0 : 0x20; if (BIT(i, 3)) { r += 0x4f; g += 0x4f; b += 0x4f; } palette.set_pen_color(i, rgb_t(r, g, b)); } } void sspeedr_state::int_ack_w(uint8_t data) { m_maincpu->set_input_line(0, CLEAR_LINE); } void sspeedr_state::lamp_w(uint8_t data) { output().set_value("lampGO", BIT(data, 0)); output().set_value("lampEP", BIT(data, 1)); machine().bookkeeping().coin_counter_w(0, data & 8); } // uses a 7447A, which is equivalent to an LS47/48 constexpr uint8_t ls48_map[16] = { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f,0x67,0x58,0x4c,0x62,0x69,0x78,0x00 }; void sspeedr_state::time_w(offs_t offset, uint8_t data) { data = data & 15; m_digits[24 + offset] = ls48_map[data]; m_led_time[offset] = data; } void sspeedr_state::score_w(offs_t offset, uint8_t data) { data = ~data & 15; m_digits[offset] = ls48_map[data]; m_led_score[offset] = data; } void sspeedr_state::sound1_w(uint8_t data) { // **** Output pins from 74174 latch at C2 **** // Bits 0-3 (PEDAL_BIT0 to PEDAL_BIT3): accelerator pedal position // Sets the frequency and volume of the engine sound oscillators. m_pedal_bit0->write_line(BIT(data, 0)); m_pedal_bit1->write_line(BIT(data, 1)); m_pedal_bit2->write_line(BIT(data, 2)); m_pedal_bit3->write_line(BIT(data, 3)); // Bit 4 (HI SHIFT): set when gearshift is in high gear // Modifies the engine sound to be lower pitched at a given speed and // to change more slowly. m_hi_shift->write_line(BIT(data, 4)); // Bit 5 (LO SHIFT): set when gearshift is in low gear // Modifies the engine sound to be higher pitched at a given speed and // to change faster. m_lo_shift->write_line(BIT(data, 5)); // Bits 6-7 (D6, D7): not connected. } void sspeedr_state::sound2_w(uint8_t data) { // **** Output pins from 74174 latch at D2 **** // Bit 0 (BOOM): Set to activate boom sound for a crash. Cleared to // terminate boom. m_boom->write_line(BIT(data, 0)); // Bit 1 (ENGINE SOUND OFF): Set to turn *off* engine sound. // Used in a crash. m_engine_sound_off->write_line(BIT(data, 1)); // Bit 2 (NOISE CR 1): tire squealing sound // Set to activate "tire squeal" noise from noise generator. m_noise_cr_1->write_line(BIT(data, 2)); // Bit 3 (NOISE CR 2): secondary crash noise // Set to activate high-pitched screeching hiss that accompanies BOOM // when the the car crashes. In Super Speed Race, the BOOM and NOISE // CR 2 effects play simultaneously. m_noise_cr_2->write_line(BIT(data, 3)); // Bit 4 (SILENCE): mute all sound when game is not running. m_silence->write_line(BIT(data, 4)); // Bits 5-7 (D5, D6, D7): not connected. } void sspeedr_state::prg_map(address_map &map) { map(0x0000, 0x0fff).rom(); map(0x2000, 0x21ff).ram(); map(0x7f00, 0x7f17).w(FUNC(sspeedr_state::score_w)); } void sspeedr_state::io_map(address_map &map) { map.global_mask(0xff); map(0x00, 0x00).portr("IN0").w(FUNC(sspeedr_state::sound1_w)); map(0x01, 0x01).portr("IN1").w(FUNC(sspeedr_state::sound2_w)); map(0x02, 0x02).w(FUNC(sspeedr_state::lamp_w)); map(0x03, 0x03).portr("DSW"); map(0x04, 0x04).portr("IN2"); map(0x04, 0x05).w(FUNC(sspeedr_state::time_w)); map(0x06, 0x06).w("watchdog", FUNC(watchdog_timer_device::reset_w)); map(0x10, 0x10).w(FUNC(sspeedr_state::driver_horz_w)); map(0x11, 0x11).w(FUNC(sspeedr_state::driver_pic_w)); map(0x12, 0x12).w(FUNC(sspeedr_state::driver_horz_2_w)); map(0x13, 0x13).w(FUNC(sspeedr_state::drones_horz_w)); map(0x14, 0x14).w(FUNC(sspeedr_state::drones_horz_2_w)); map(0x15, 0x15).w(FUNC(sspeedr_state::drones_mask_w)); map(0x16, 0x16).w(FUNC(sspeedr_state::driver_vert_w)); map(0x17, 0x18).w(FUNC(sspeedr_state::track_vert_w)); map(0x19, 0x19).w(FUNC(sspeedr_state::track_horz_w)); map(0x1a, 0x1a).w(FUNC(sspeedr_state::track_horz_2_w)); map(0x1b, 0x1b).w(FUNC(sspeedr_state::track_ice_w)); map(0x1c, 0x1e).w(FUNC(sspeedr_state::drones_vert_w)); map(0x1f, 0x1f).w(FUNC(sspeedr_state::int_ack_w)); } static const ioport_value sspeedr_controller_table[] = { 0x3f, 0x3e, 0x3c, 0x3d, 0x39, 0x38, 0x3a, 0x3b, 0x33, 0x32, 0x30, 0x31, 0x35, 0x34, 0x36, 0x37, 0x27, 0x26, 0x24, 0x25, 0x21, 0x20, 0x22, 0x23, 0x2b, 0x2a, 0x28, 0x29, 0x2d, 0x2c, 0x2e, 0x2f, 0x0f, 0x0e, 0x0c, 0x0d, 0x09, 0x08, 0x0a, 0x0b, 0x03, 0x02, 0x00, 0x01, 0x05, 0x04, 0x06, 0x07, 0x17, 0x16, 0x14, 0x15, 0x11, 0x10, 0x12, 0x13, 0x1b, 0x1a, 0x18, 0x19, 0x1d, 0x1c, 0x1e, 0x1f }; static INPUT_PORTS_START( sspeedr ) PORT_START("IN0") PORT_BIT( 0x3f, 0x00, IPT_POSITIONAL ) PORT_POSITIONS(64) PORT_REMAP_TABLE(sspeedr_controller_table) PORT_WRAPS PORT_SENSITIVITY(25) PORT_KEYDELTA(10) PORT_START("IN1") // The gas pedal is adjusted physically so the encoder is at position 2 when the pedal is not pressed. // It also only uses half of the encoder. PORT_BIT( 0x1f, 0x00, IPT_POSITIONAL_V ) PORT_POSITIONS(30) PORT_REMAP_TABLE(sspeedr_controller_table + 2) PORT_SENSITIVITY(25) PORT_KEYDELTA(20) PORT_START("DSW") PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:1,2") PORT_DIPSETTING( 0x01, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) ) PORT_DIPNAME( 0x0c, 0x08, "Play Time" ) PORT_DIPLOCATION("SW1:3,4") PORT_DIPSETTING( 0x00, "60 seconds") PORT_DIPSETTING( 0x04, "70 seconds") PORT_DIPSETTING( 0x08, "80 seconds") PORT_DIPSETTING( 0x0c, "90 seconds") PORT_DIPNAME( 0x10, 0x00, "Extended Play" ) PORT_DIPLOCATION("SW1:5") PORT_DIPSETTING( 0x00, "20 seconds" ) PORT_DIPSETTING( 0x10, "30 seconds" ) PORT_DIPNAME( 0xe0, 0x20, DEF_STR( Service_Mode ) ) PORT_DIPLOCATION("SW1:6,7,8") PORT_DIPSETTING( 0x20, "Play Mode" ) PORT_DIPSETTING( 0xa0, "RAM/ROM Test" ) PORT_DIPSETTING( 0xe0, "Accelerator Adjustment" ) PORT_START("IN2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Shifter") PORT_TOGGLE PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_START("POT_MASTER_VOL") PORT_ADJUSTER( 50, "Pot: Master Volume" ) NETLIST_ANALOG_PORT_CHANGED("sound_nl", "pot_master_vol") INPUT_PORTS_END static const gfx_layout car_layout = { 32, 16, 16, 4, { 0, 1, 2, 3 }, { 0x04, 0x04, 0x00, 0x00, 0x0c, 0x0c, 0x08, 0x08, 0x14, 0x14, 0x10, 0x10, 0x1c, 0x1c, 0x18, 0x18, 0x24, 0x24, 0x20, 0x20, 0x2c, 0x2c, 0x28, 0x28, 0x34, 0x34, 0x30, 0x30, 0x3c, 0x3c, 0x38, 0x38 }, { 0x000, 0x040, 0x080, 0x0c0, 0x100, 0x140, 0x180, 0x1c0, 0x200, 0x240, 0x280, 0x2c0, 0x300, 0x340, 0x380, 0x3c0 }, 0x400 }; static GFXDECODE_START( gfx_sspeedr ) GFXDECODE_ENTRY( "driver", 0, car_layout, 0, 1 ) GFXDECODE_ENTRY( "drone", 0, car_layout, 0, 1 ) GFXDECODE_END void sspeedr_state::sspeedr(machine_config &config) { // basic machine hardware Z80(config, m_maincpu, XTAL(19'968'000)/8); m_maincpu->set_addrmap(AS_PROGRAM, &sspeedr_state::prg_map); m_maincpu->set_addrmap(AS_IO, &sspeedr_state::io_map); m_maincpu->set_vblank_int("screen", FUNC(sspeedr_state::irq0_line_assert)); WATCHDOG_TIMER(config, "watchdog"); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(59.39); screen.set_vblank_time(ATTOSECONDS_IN_USEC(16 * 1000000 / 15680)); screen.set_size(376, 256); screen.set_visarea(0, 375, 0, 247); screen.set_screen_update(FUNC(sspeedr_state::screen_update)); screen.screen_vblank().set(FUNC(sspeedr_state::screen_vblank)); screen.set_palette(m_palette); GFXDECODE(config, m_gfxdecode, m_palette, gfx_sspeedr); PALETTE(config, m_palette, FUNC(sspeedr_state::palette), 16); /* sound hardware */ SPEAKER(config, "mono").front_center(); NETLIST_SOUND(config, "sound_nl", 48000) .set_source(NETLIST_NAME(sspeedr)) .add_route(ALL_OUTPUTS, "mono", 1.0); NETLIST_LOGIC_INPUT(config, "sound_nl:pedal_bit0", "I_PEDAL_BIT0", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:pedal_bit1", "I_PEDAL_BIT1", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:pedal_bit2", "I_PEDAL_BIT2", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:pedal_bit3", "I_PEDAL_BIT3", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:hi_shift", "I_HI_SHIFT", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:lo_shift", "I_LO_SHIFT", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:boom", "I_BOOM", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:engine_sound_off", "I_ENGINE_SOUND_OFF", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:noise_cr_1", "I_NOISE_CR_1", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:noise_cr_2", "I_NOISE_CR_2", 0); NETLIST_LOGIC_INPUT(config, "sound_nl:silence", "I_SILENCE", 0); // Audio output is from an LM3900 op-amp whose output has a // peak-to-peak range of about 12 volts, centered on 6 volts. NETLIST_STREAM_OUTPUT(config, "sound_nl:cout0", 0, "OUTPUT").set_mult_offset(32767.0 / 6.0, -32767.0); // Netlist volume-potentiometer interface NETLIST_ANALOG_INPUT(config, "sound_nl:pot_master_vol", "R70.DIAL"); } ROM_START( sspeedr ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "ssr0000.pgm", 0x0000, 0x0800, CRC(bfc7069a) SHA1(2f7aa3d3c7cfd804ba4b625c6a8338534a204855) ) ROM_LOAD( "ssr0800.pgm", 0x0800, 0x0800, CRC(ec46b59a) SHA1(d5727efecb32ad3d034b885e4a57d7373368ca9e) ) ROM_REGION( 0x0800, "driver", 0 ) ROM_LOAD( "ssrm762a.f3", 0x0000, 0x0800, CRC(de4653a9) SHA1(a6bbffb7eb60581eee43c74d20ca00b50c9a6e07) ) ROM_REGION( 0x0800, "drone", 0 ) ROM_LOAD( "ssrm762b.j3", 0x0000, 0x0800, CRC(ef6a1cd6) SHA1(77c31f14783e5ba90849bdc930b099c8360aeba7) ) ROM_REGION( 0x0800, "track", 0 ) ROM_LOAD( "ssrm762c.l3", 0x0000, 0x0800, CRC(ebaad3ee) SHA1(54ac994b505d20c75cf07a4f68da12360ee00153) ) ROM_END GAMEL( 1979, sspeedr, 0, sspeedr, sspeedr, sspeedr_state, empty_init, ROT270, "Taito (Midway license)", "Super Speed Race", MACHINE_SUPPORTS_SAVE, layout_sspeedr )