// license: BSD-3-Clause // copyright-holders: Dirk Best /*************************************************************************** Speed Basketball © 1992 Sega Exciting Boat Race (only sound PCB is dumped) © 1993 Sega Electromechnical games Hardware notes: Main PCB marked 'SEGA 1991 171-6202B' with '834-8700' and '921016.0639E' stickers. Main components: - D70008AC-8 main CPU - D71051G serial control unit - D71054G programmable timer / counter - 2x D71055G parallel interface unit - 2x D4701AC incremental encoder counter - 315-5338A I/O custom - 93C45 serial EEPROM - 3773P power monitor / watchdog - MB3780A battery power monitor + battery - OSC 32.000 MHz - 1 4-dip bank Sound PCB marked 'SOUND SEGA 1991 MADE IN JAPAN' with '837-8724-01' sticker ('837-9653' on Exciting Boat Race') Main components: - Z0840008PSC audio CPU - 315-5476A Sega PCM - 315-5497 Sega QFP100 ASIC - YM2151 - TMP82C51AP-8 (D71051C-10 on Exciting Boat Race) - Oki M6253 - NEC B6391GF QFP80 gate array (next to unpopulated QFP80 silkscreened "5381") - 2x NEC D6382GF DSP - 2x Sanyo LC7883KM digital filter / DAC - OSC 48.000 MHz - OSC 16.9344 MHz - 1 4-dip bank TODO: - Outputs (solenoids), LED screen with scores - PIT input frequencies, outputs (IRQ, baud rate?) - RF5C164 hookup (banking) - UART clocks are set to 9600 baud, real clock unknown - Verify all clocks, everything is guessed - Unknown writes on the sound PCB - Hook up dip switches (main PCB and sound PCB) - ADC on the sound PCB - EEPROM - Coin counters Notes: - Speed Basketball only has some LEDs and lamps, the rest is mechanical. Video: https://www.youtube.com/watch?v=efs2KNNncn8 - Speed Soccer / Speed Shot is on the same hardware - The driver contains the ROMs for the sound PCB of Exciting Boat Race as a placeholder, since it's the same PCB as the one used by Speed Basketball. Exciting Boat Race is a main + satellites arrangement with video, so when the other PCBs are found it should be moved out of here. ***************************************************************************/ #include "emu.h" #include "machine/315_5338a.h" #include "cpu/z80/z80.h" #include "machine/eepromser.h" #include "machine/clock.h" #include "machine/i8251.h" #include "machine/i8255.h" #include "machine/msm6253.h" #include "machine/nvram.h" #include "machine/pit8253.h" #include "machine/upd4701.h" #include "sound/rf5c68.h" #include "sound/ymopm.h" #include "video/hd44780.h" #include "video/pwm.h" #include "emupal.h" #include "screen.h" #include "speaker.h" #include "speedbsk.lh" namespace { //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class speedbsk_state : public driver_device { public: speedbsk_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_ppi(*this, "ppi%u", 0U), m_lcd(*this, "lcd"), m_lamp_pwm(*this, "lamp_pwm%u", 0), m_lamps(*this, "hole_%u", 1U), m_start_lamp(*this, "start_lamp") { } void speedbsk(machine_config &config); protected: virtual void machine_start() override; private: required_device m_maincpu; required_device_array m_ppi; required_device m_lcd; required_device_array m_lamp_pwm; output_finder<24> m_lamps; output_finder<> m_start_lamp; void main_map(address_map &map); void audio_map(address_map &map); void audio_io_map(address_map &map); void pcm_map(address_map &map); void lcd_palette(palette_device &palette) const; HD44780_PIXEL_UPDATE(lcd_pixel_update); template void lamp_w(uint8_t data); template void lamp_output_w(offs_t offset, u8 data); void solenoid1_w(uint8_t data); void solenoid2_w(uint8_t data); void ppi1_porta_w(uint8_t data); void ppi1_portc_w(uint8_t data); }; //************************************************************************** // ADDRESS MAPS //************************************************************************** void speedbsk_state::main_map(address_map &map) { map(0x0000, 0x7fff).rom().region("maincpu", 0); map(0x8000, 0x8003).r("upd4701_0", FUNC(upd4701_device::read_xy)); map(0x8200, 0x8203).r("upd4701_1", FUNC(upd4701_device::read_xy)); map(0x8600, 0x8600).portr("region"); map(0x8800, 0x8800).portr("photo_sensors"); map(0x8a00, 0x8a0f).rw("io", FUNC(sega_315_5338a_device::read), FUNC(sega_315_5338a_device::write)); map(0x8a80, 0x8a83).rw("d71054", FUNC(pit8254_device::read), FUNC(pit8254_device::write)); map(0x8ac0, 0x8ac1).rw("d71051", FUNC(i8251_device::read), FUNC(i8251_device::write)); map(0x8b00, 0x8b03).rw(m_ppi[0], FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x8b40, 0x8b43).rw(m_ppi[1], FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0xe000, 0xffff).ram().share("nvram"); } void speedbsk_state::audio_map(address_map &map) { map(0x0000, 0x7fff).rom().region("audiocpu", 0); map(0x8000, 0xbfff).rom().region("audiocpu", 0x80000); // banked rom? map(0xc000, 0xdfff).m("rfsnd", FUNC(rf5c164_device::rf5c164_map)); map(0xe000, 0xffff).ram(); } void speedbsk_state::audio_io_map(address_map &map) { map.global_mask(0xff); map(0x01, 0x01).nopw(); map(0x02, 0x03).rw("tmp82c51", FUNC(i8251_device::read), FUNC(i8251_device::write)); map(0x10, 0x13).nopw(); // misc. outputs map(0x20, 0x20).lr8(NAME([]() -> uint8_t { return 0x01; })); // some kind of serial read map(0x21, 0x23).nopw(); map(0x30, 0x30).nopw(); // bankswitch? map(0x40, 0x41).rw("ymsnd", FUNC(ym2151_device::read), FUNC(ym2151_device::write)); map(0x50, 0x50).rw("adc", FUNC(msm6253_device::d0_r), FUNC(msm6253_device::select_w)); } void speedbsk_state::pcm_map(address_map &map) { map(0x0000, 0xffff).ram(); } //************************************************************************** // INPUT PORT DEFINITIONS //************************************************************************** static INPUT_PORTS_START( speedbsk ) PORT_START("switches") 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_PLAYER(1) PORT_NAME("SHOOT RED") PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("SHOOT GRN") PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_START("service_panel") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("Service A \xe2\x86\x91 INC") PORT_WRITE_LINE_DEVICE_MEMBER("upd4701_0", upd4701_device, right_w) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("Service B \xe2\x86\x93 DEC") PORT_WRITE_LINE_DEVICE_MEMBER("upd4701_0", upd4701_device, left_w) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("Service C \xe2\x86\xb2 ENT") PORT_WRITE_LINE_DEVICE_MEMBER("upd4701_1", upd4701_device, right_w) PORT_START("unk") PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(50) PORT_KEYDELTA(1) PORT_CODE_DEC(KEYCODE_PGDN) PORT_CODE_INC(KEYCODE_PGUP) // this could be the dip switch on the main pcb PORT_START("region") PORT_DIPNAME( 0x03, 0x00, "Region" ) PORT_DIPSETTING( 0x00, "Jpn" ) PORT_DIPSETTING( 0x01, "USA" ) PORT_DIPSETTING( 0x02, "etc" ) PORT_DIPSETTING( 0x03, "***" ) PORT_BIT( 0xfc, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("photo_sensors") PORT_DIPNAME( 0x01, 0x01, "Corner A" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, "Corner B" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x04, "Corner C" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x04, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x08, "Corner D" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, "Goal RED" ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, "Goal GRN" ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, "Poket R" ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, "Poket G" ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("DSW") // on main PCB PORT_DIPUNKNOWN_DIPLOC(0x01, 0x01, "SW2:1") PORT_DIPUNKNOWN_DIPLOC(0x02, 0x02, "SW2:2") PORT_DIPUNKNOWN_DIPLOC(0x04, 0x04, "SW2:3") PORT_DIPUNKNOWN_DIPLOC(0x08, 0x08, "SW2:4") PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) // only 4 dips PORT_START("DSW2") // on audio PCB PORT_DIPUNKNOWN_DIPLOC(0x01, 0x01, "SW1:1") PORT_DIPUNKNOWN_DIPLOC(0x02, 0x02, "SW1:2") PORT_DIPUNKNOWN_DIPLOC(0x04, 0x04, "SW1:3") PORT_DIPUNKNOWN_DIPLOC(0x08, 0x08, "SW1:4") PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) // only 4 dips PORT_START("track_x_red") PORT_BIT( 0xfff, 0x000, IPT_TRACKBALL_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(20) PORT_PLAYER(1) PORT_START("track_y_red") PORT_BIT( 0xfff, 0x000, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(30) PORT_PLAYER(1) PORT_START("track_x_grn") PORT_BIT( 0xfff, 0x000, IPT_TRACKBALL_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(20) PORT_PLAYER(2) PORT_START("track_y_grn") PORT_BIT( 0xfff, 0x000, IPT_TRACKBALL_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(30) PORT_PLAYER(2) INPUT_PORTS_END //************************************************************************** // SERVICE LCD //************************************************************************** void speedbsk_state::lcd_palette(palette_device &palette) const { palette.set_pen_color(0, rgb_t(138, 146, 148)); // background palette.set_pen_color(1, rgb_t( 92, 83, 88)); // lcd pixel on palette.set_pen_color(2, rgb_t(131, 136, 139)); // lcd pixel off } HD44780_PIXEL_UPDATE( speedbsk_state::lcd_pixel_update ) { // char size is 5x8 if (x > 4 || y > 7) return; if (line < 2 && pos < 20) bitmap.pix(1 + y + line*8 + line, 1 + pos*6 + x) = state ? 1 : 2; } //************************************************************************** // MACHINE EMULATION //************************************************************************** template void speedbsk_state::lamp_w(uint8_t data) { // N 0-2: red, 3-5: green m_lamp_pwm[N]->matrix(1, data); } template void speedbsk_state::lamp_output_w(offs_t offset, u8 data) { offset = (N % 3) * 8 + (offset >> 6); int mask = (N <= 2) ? 1 : 2; int old = m_lamps[offset] & ~mask; // output state 0: off, 1: red, 2: green, 3: yellow m_lamps[offset] = (data ? mask : 0) | old; } void speedbsk_state::solenoid1_w(uint8_t data) { // 7------- solenoid direction // -6------ solenoid on // --543210 solenoid select 1xx } void speedbsk_state::solenoid2_w(uint8_t data) { // 7------- not used? // -6------ solenoid on // --543210 solenoid select 2xx } void speedbsk_state::ppi1_porta_w(uint8_t data) { // 7------- unknown // -6------ unknown // --5----- unknown // ---4---- unknown // ----3--- unknown // -----2-- unknown // ------1- coin counter? // -------0 start lamp m_start_lamp = BIT(data, 0); } void speedbsk_state::ppi1_portc_w(uint8_t data) { // 76543--- unknown // -----2-- lcd e // ------1- lcd rw // -------0 lcd rs m_lcd->rs_w(BIT(data, 0)); m_lcd->rw_w(BIT(data, 1)); m_lcd->e_w(BIT(data, 2)); } void speedbsk_state::machine_start() { // resolve outputs m_lamps.resolve(); m_start_lamp.resolve(); } //************************************************************************** // MACHINE DEFINTIONS //************************************************************************** void speedbsk_state::speedbsk(machine_config &config) { // basic machine hardware Z80(config, m_maincpu, 32_MHz_XTAL / 4); // actually D70008AC-8, divider guessed m_maincpu->set_addrmap(AS_PROGRAM, &speedbsk_state::main_map); // placeholder clock_device &irqclock(CLOCK(config, "irqclock", 60)); irqclock.signal_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0); NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // MB8464A-10LL-SK + MB8730A + battery // placeholder, uarts will operate at 9600 baud clock_device &uart_clock(CLOCK(config, "uart_clock", 153600)); uart_clock.signal_handler().set("d71051", FUNC(i8251_device::write_txc)); uart_clock.signal_handler().append("d71051", FUNC(i8251_device::write_rxc)); uart_clock.signal_handler().append("tmp82c51", FUNC(i8251_device::write_txc)); uart_clock.signal_handler().append("tmp82c51", FUNC(i8251_device::write_rxc)); i8251_device &uart_main(I8251(config, "d71051", 0)); uart_main.txd_handler().set("tmp82c51", FUNC(i8251_device::write_rxd)); uart_main.rts_handler().set("tmp82c51", FUNC(i8251_device::write_cts)); PIT8254(config, "d71054", 0); I8255(config, m_ppi[0]); m_ppi[0]->out_pa_callback().set(FUNC(speedbsk_state::solenoid1_w)); m_ppi[0]->out_pb_callback().set(FUNC(speedbsk_state::solenoid2_w)); m_ppi[0]->in_pc_callback().set_ioport("switches"); I8255(config, m_ppi[1]); m_ppi[1]->out_pa_callback().set(FUNC(speedbsk_state::ppi1_porta_w)); m_ppi[1]->out_pb_callback().set(m_lcd, FUNC(hd44780_device::db_w)); m_ppi[1]->tri_pc_callback().set_constant(0); m_ppi[1]->out_pc_callback().set(FUNC(speedbsk_state::ppi1_portc_w)); upd4701_device &upd1(UPD4701A(config, "upd4701_0")); upd1.set_portx_tag("track_x_red"); upd1.set_porty_tag("track_y_red"); upd4701_device &upd2(UPD4701A(config, "upd4701_1")); upd2.set_portx_tag("track_x_grn"); upd2.set_porty_tag("track_y_grn"); sega_315_5338a_device &io(SEGA_315_5338A(config, "io", 32_MHz_XTAL)); io.out_pa_callback().set(FUNC(speedbsk_state::lamp_w<0>)); io.out_pb_callback().set(FUNC(speedbsk_state::lamp_w<1>)); io.out_pc_callback().set(FUNC(speedbsk_state::lamp_w<2>)); io.out_pd_callback().set(FUNC(speedbsk_state::lamp_w<3>)); io.out_pe_callback().set(FUNC(speedbsk_state::lamp_w<4>)); io.out_pf_callback().set(FUNC(speedbsk_state::lamp_w<5>)); for (int i = 0; i < 6; i++) PWM_DISPLAY(config, m_lamp_pwm[i]).set_size(1, 8); m_lamp_pwm[0]->output_x().set(FUNC(speedbsk_state::lamp_output_w<0>)); m_lamp_pwm[1]->output_x().set(FUNC(speedbsk_state::lamp_output_w<1>)); m_lamp_pwm[2]->output_x().set(FUNC(speedbsk_state::lamp_output_w<2>)); m_lamp_pwm[3]->output_x().set(FUNC(speedbsk_state::lamp_output_w<3>)); m_lamp_pwm[4]->output_x().set(FUNC(speedbsk_state::lamp_output_w<4>)); m_lamp_pwm[5]->output_x().set(FUNC(speedbsk_state::lamp_output_w<5>)); EEPROM_93C46_8BIT(config, "eeprom"); // Actually 93c45 // service lcd screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD)); screen.set_refresh_hz(50); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate screen.set_size(6*20+1, 19); screen.set_visarea(0, 6*20, 0, 19-1); screen.set_screen_update(m_lcd, FUNC(hd44780_device::screen_update)); screen.set_palette("palette"); PALETTE(config, "palette", FUNC(speedbsk_state::lcd_palette), 3); HD44780(config, m_lcd, 0); m_lcd->set_lcd_size(2, 20); m_lcd->set_pixel_update_cb(FUNC(speedbsk_state::lcd_pixel_update)); config.set_default_layout(layout_speedbsk); // TODO: LED screen // sound hardware, on sound PCB z80_device &audiocpu(Z80(config, "audiocpu", 48_MHz_XTAL / 12)); // divider guessed audiocpu.set_addrmap(AS_PROGRAM, &speedbsk_state::audio_map); audiocpu.set_addrmap(AS_IO, &speedbsk_state::audio_io_map); i8251_device &tmp82c51(I8251(config, "tmp82c51", 0)); tmp82c51.rxrdy_handler().set_inputline("audiocpu", INPUT_LINE_IRQ0); tmp82c51.txd_handler().set("d71051", FUNC(i8251_device::write_rxd)); tmp82c51.rts_handler().set("d71051", FUNC(i8251_device::write_cts)); msm6253_device &adc(MSM6253(config, "adc", 0)); adc.set_input_tag<0>("unk"); SPEAKER(config, "mono").front_center(); // TODO: verify if stereo YM2151(config, "ymsnd", 48_MHz_XTAL / 12).add_route(ALL_OUTPUTS, "mono", 0.75); // unknown clock rf5c164_device &rfsnd(RF5C164(config, "rfsnd", 48_MHz_XTAL / 4)); // Sega 315-5476A, unknown clock rfsnd.add_route(ALL_OUTPUTS, "mono", 0.75); rfsnd.set_addrmap(0, &speedbsk_state::pcm_map); } //************************************************************************** // ROM DEFINTIONS //************************************************************************** ROM_START( speedbsk ) ROM_REGION( 0x8000, "maincpu", 0 ) ROM_LOAD( "epr-14666.ic25", 0x0000, 0x8000, CRC(9f6d896a) SHA1(d7133f7bc8225bca14249d354f35ed2e9290567a) ) ROM_REGION( 0x200000, "audiocpu", 0 ) ROM_LOAD( "epr-14711.ic13", 0x000000, 0x20000, CRC(9b4322c5) SHA1(f68238a85c10528f87d90d383eed64bef9feacde) ) // 11xxxxxxxxxxxxxxx = 0xFF, almost empty ROM_LOAD( "mpr-14712-t.ic14", 0x080000, 0x80000, CRC(4b05f4ba) SHA1(5915d735a6bdf55e651a24342f1ded9c54f5c495) ) ROM_LOAD( "mpr-14713-t.ic15", 0x100000, 0x80000, BAD_DUMP CRC(16950cda) SHA1(e32413f9585d31624d05d0e594e70bbc7273eb06) ) // was marked as bad by the dumper // ic16 empty ROM_REGION( 0x400, "mainpcb_plds", 0 ) ROM_LOAD( "315-5558_peel16v8.ic23", 0x000, 0x117, NO_DUMP ) ROM_LOAD( "315-5559_peel16v8.ic24", 0x200, 0x117, NO_DUMP ) ROM_REGION( 0x600, "soundpcb_plds", 0 ) ROM_LOAD( "315-4499_gal16v8.ic6", 0x000, 0x117, NO_DUMP ) ROM_LOAD( "315-5500_gal16v8.ic7", 0x200, 0x117, NO_DUMP ) ROM_LOAD( "315-5501_gal16v8.ic8", 0x400, 0x117, NO_DUMP ) ROM_END // TODO: move this out of this driver when rest of the PCBs are found and dumped ROM_START( boatrace ) ROM_REGION( 0x8000, "maincpu", ROMREGION_ERASEFF ) ROM_REGION( 0x200000, "audiocpu", 0 ) ROM_LOAD( "epr-15892.ic13", 0x000000, 0x20000, CRC(3a178efc) SHA1(21b0fa0f962bb0b882d8a9649863fdfb4ecb63db) ) // 11xxxxxxxxxxxxxxx = 0xFF, almost empty ROM_LOAD( "epr-15893.ic14", 0x080000, 0x80000, CRC(4cf30c7b) SHA1(20e9432ec0e55451bce1b193c030707216141f96) ) ROM_LOAD( "epr-15894.ic15", 0x100000, 0x80000, CRC(60adad47) SHA1(7a8f373c2d225794c85ee0e7354ace35e757ffa2) ) ROM_LOAD( "epr-15895.ic16", 0x180000, 0x80000, CRC(a6bf6eff) SHA1(1a3280464b0b449521d64df665d889c35d6f1fc5) ) ROM_REGION( 0x600, "soundpcb_plds", 0 ) ROM_LOAD( "315-4499_gal16v8.ic6", 0x000, 0x117, NO_DUMP ) ROM_LOAD( "315-5500_gal16v8.ic7", 0x200, 0x117, NO_DUMP ) ROM_LOAD( "315-5501_gal16v8.ic8", 0x400, 0x117, NO_DUMP ) ROM_END } // Anonymous namespace //************************************************************************** // SYSTEM DRIVERS //************************************************************************** // YEAR NAME PARENT MACHINE INPUT CLASS INIT ROTATION COMPANY FULLNAME FLAGS GAME( 1992, speedbsk, 0, speedbsk, speedbsk, speedbsk_state, empty_init, ROT0, "Sega", "Speed Basketball", MACHINE_MECHANICAL | MACHINE_NOT_WORKING ) GAME( 1993, boatrace, 0, speedbsk, speedbsk, speedbsk_state, empty_init, ROT0, "Sega", "Exciting Boat Race", MACHINE_IS_SKELETON_MECHANICAL )