// license: BSD-3-Clause // copyright-holders: Philip Bennett, Dirk Best /*************************************************************************** JPM Give us a Break hardware preliminary driver by Phil Bennett Games supported: * Give us a Break [8 sets] * Criss Cross (Sweden) [non-working - need disk image] * Ten Up [2 sets] Looking for: * Numbers Game * Pac Quiz * Suit Pursuit * Treasure Trail? Known issues: * Coin data has to go through the datalogger to be counted * Verify WD FDC type * Hook up ACIA properly, clocks etc. * Hook up watchdog NMI * Verify clocks * Use real video timings * Create layouts Notes: * Toggle both 'Back door' and 'Key switch' to enter test mode * Opening the back door will disable coinup * Video hardware seems to match JPM System 5 * IRQ 1 inits the PPIs, IRQ 2 does nothing ***************************************************************************/ #include "emu.h" #include "cpu/m68000/m68000.h" #include "formats/guab_dsk.h" #include "imagedev/floppy.h" #include "machine/6840ptm.h" #include "machine/6850acia.h" #include "machine/bacta_datalogger.h" #include "machine/clock.h" #include "machine/i8255.h" #include "machine/wd_fdc.h" #include "sound/sn76496.h" #include "video/ef9369.h" #include "video/tms34061.h" #include "emupal.h" #include "screen.h" #include "softlist_dev.h" #include "speaker.h" #include "guab.lh" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class guab_state : public driver_device { public: guab_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_tms34061(*this, "tms34061"), m_sn(*this, "snsnd"), m_fdc(*this, "fdc"), m_floppy(*this, "fdc:0"), m_palette(*this, "palette"), m_leds(*this, "led_%u", 0U), m_sound_buffer(0), m_sound_latch(false) { } void guab(machine_config &config); protected: virtual void machine_start() override; private: EF9369_COLOR_UPDATE(ef9369_color_update); void tms34061_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); uint16_t tms34061_r(offs_t offset, uint16_t mem_mask = ~0); uint32_t screen_update_guab(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void output1_w(uint8_t data); void output2_w(uint8_t data); void output3_w(uint8_t data); void output4_w(uint8_t data); void output5_w(uint8_t data); void output6_w(uint8_t data); uint8_t sn76489_ready_r(); void sn76489_buffer_w(uint8_t data); void system_w(uint8_t data); uint8_t watchdog_r(); void watchdog_w(uint8_t data); static void floppy_formats(format_registration &fr); void guab_map(address_map &map); required_device m_maincpu; required_device m_tms34061; required_device m_sn; required_device m_fdc; required_device m_floppy; required_device m_palette; output_finder<48> m_leds; uint8_t m_sound_buffer; bool m_sound_latch; }; //************************************************************************** // ADDRESS MAPS //************************************************************************** void guab_state::guab_map(address_map &map) { map(0x000000, 0x00ffff).rom(); map(0x040000, 0x04ffff).rom().region("maincpu", 0x10000); map(0x0c0000, 0x0c0007).rw("i8255_1", FUNC(i8255_device::read), FUNC(i8255_device::write)).umask16(0x00ff); map(0x0c0020, 0x0c0027).rw("i8255_2", FUNC(i8255_device::read), FUNC(i8255_device::write)).umask16(0x00ff); map(0x0c0040, 0x0c0047).rw("i8255_3", FUNC(i8255_device::read), FUNC(i8255_device::write)).umask16(0x00ff); map(0x0c0060, 0x0c0067).rw("i8255_4", FUNC(i8255_device::read), FUNC(i8255_device::write)).umask16(0x00ff); map(0x0c0080, 0x0c0083).rw("acia6850_1", FUNC(acia6850_device::read), FUNC(acia6850_device::write)).umask16(0x00ff); map(0x0c00a0, 0x0c00a3).rw("acia6850_2", FUNC(acia6850_device::read), FUNC(acia6850_device::write)).umask16(0x00ff); map(0x0c00c0, 0x0c00cf).rw("6840ptm", FUNC(ptm6840_device::read), FUNC(ptm6840_device::write)).umask16(0x00ff); map(0x0c00e0, 0x0c00e7).rw(m_fdc, FUNC(wd1773_device::read), FUNC(wd1773_device::write)).umask16(0x00ff); map(0x080000, 0x080fff).ram(); map(0x100001, 0x100001).rw("ef9369", FUNC(ef9369_device::data_r), FUNC(ef9369_device::data_w)); map(0x100002, 0x100003).nopr(); // uses a clr instruction on address which generates a dummy read map(0x100003, 0x100003).w("ef9369", FUNC(ef9369_device::address_w)); map(0x800000, 0xb0ffff).rw(FUNC(guab_state::tms34061_r), FUNC(guab_state::tms34061_w)); map(0xb10000, 0xb1ffff).ram(); map(0xb80000, 0xb8ffff).ram(); map(0xb90000, 0xb9ffff).ram(); } //************************************************************************** // INPUTS //************************************************************************** static INPUT_PORTS_START( guab ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN3 ) PORT_NAME("50p") PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN4 ) PORT_NAME("100p") PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Back door") PORT_CODE(KEYCODE_R) PORT_TOGGLE PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Cash door") PORT_CODE(KEYCODE_T) PORT_TOGGLE PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Key switch") PORT_CODE(KEYCODE_Y) PORT_TOGGLE PORT_BIT( 0x20, IP_ACTIVE_HIGH,IPT_UNUSED ) PORT_NAME("50p level") PORT_BIT( 0x40, IP_ACTIVE_HIGH,IPT_UNUSED ) PORT_NAME("100p level") PORT_BIT( 0x80, IP_ACTIVE_HIGH,IPT_UNUSED ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A") PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B") PORT_START("IN2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Select") PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C") PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("D") PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_NAME("10p") PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_NAME("20p") INPUT_PORTS_END static INPUT_PORTS_START( tenup ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN3 ) PORT_NAME("50p") PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN4 ) PORT_NAME("100p") PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Back door") PORT_CODE(KEYCODE_R) PORT_TOGGLE PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Cash door") PORT_CODE(KEYCODE_T) PORT_TOGGLE PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Key switch") PORT_CODE(KEYCODE_Y) PORT_TOGGLE PORT_BIT( 0x20, IP_ACTIVE_HIGH,IPT_UNUSED ) PORT_NAME("10p level") PORT_BIT( 0x40, IP_ACTIVE_HIGH,IPT_UNUSED ) PORT_NAME("100p level") PORT_BIT( 0x80, IP_ACTIVE_HIGH,IPT_UNUSED ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Pass") PORT_START("IN2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Collect") PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A") PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B") PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C") PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_NAME("10p") PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_NAME("20p") INPUT_PORTS_END //************************************************************************** // VIDEO EMULATION //************************************************************************** EF9369_COLOR_UPDATE( guab_state::ef9369_color_update ) { m_palette->set_pen_color(entry, pal4bit(ca), pal4bit(cb), pal4bit(cc)); } void guab_state::tms34061_w(offs_t offset, uint16_t data, uint16_t mem_mask) { int func = (offset >> 19) & 3; int row = (offset >> 7) & 0xff; int col; if (func == 0 || func == 2) col = offset & 0xff; else col = offset <<= 1; if (ACCESSING_BITS_8_15) m_tms34061->write(col, row, func, data >> 8); if (ACCESSING_BITS_0_7) m_tms34061->write(col | 1, row, func, data & 0xff); } uint16_t guab_state::tms34061_r(offs_t offset, uint16_t mem_mask) { uint16_t data = 0; int func = (offset >> 19) & 3; int row = (offset >> 7) & 0xff; int col; if (func == 0 || func == 2) col = offset & 0xff; else col = offset <<= 1; if (ACCESSING_BITS_8_15) data |= m_tms34061->read(col, row, func) << 8; if (ACCESSING_BITS_0_7) data |= m_tms34061->read(col | 1, row, func); return data; } uint32_t guab_state::screen_update_guab(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { m_tms34061->get_display_state(); /* If blanked, fill with black */ if (m_tms34061->m_display.blanked) { bitmap.fill(m_palette->black_pen(), cliprect); return 0; } for (int y = cliprect.min_y; y <= cliprect.max_y; ++y) { uint8_t const *const src = &m_tms34061->m_display.vram[256 * y]; uint16_t *dest = &bitmap.pix(y); for (int x = cliprect.min_x; x <= cliprect.max_x; x += 2) { uint8_t const pen = src[x >> 1]; /* Draw two 4-bit pixels */ *dest++ = m_palette->pen(pen >> 4); *dest++ = m_palette->pen(pen & 0x0f); } } return 0; } //************************************************************************** // MACHINE EMULATION //************************************************************************** void guab_state::machine_start() { m_leds.resolve(); m_fdc->set_floppy(m_floppy->get_device()); } uint8_t guab_state::watchdog_r() { // only read after writing the sequence below return 0xff; } void guab_state::watchdog_w(uint8_t data) { // watchdog? // writes b 3 1 5 d a 2 0 4 0 8 b 3 1 5 d a 2 0 4 0 8 // then later toggles between 0 and f } void guab_state::system_w(uint8_t data) { // bit 0, sound latch if (m_sound_latch != bool(BIT(data, 0))) { // falling edge if (!m_sound_latch) m_sn->write(m_sound_buffer); m_sound_latch = bool(BIT(data, 0)); } // bit 3, floppy drive side select m_floppy->get_device()->ss_w(BIT(data, 3)); // one of those bits will probably control the motor, we just let it run all the time for now m_floppy->get_device()->mon_w(0); } //************************************************************************** // INPUTS/OUTPUTS //************************************************************************** void guab_state::output1_w(uint8_t data) { m_leds[0] = BIT(data, 0); // cash in (ten up: cash in) m_leds[1] = BIT(data, 1); // cash out (ten up: cash out) m_leds[2] = BIT(data, 2); m_leds[3] = BIT(data, 3); m_leds[4] = BIT(data, 4); m_leds[5] = BIT(data, 5); m_leds[6] = BIT(data, 6); // (ten up: 10p/100p drive) m_leds[7] = BIT(data, 7); } void guab_state::output2_w(uint8_t data) { m_leds[8] = BIT(data, 0); m_leds[9] = BIT(data, 1); m_leds[10] = BIT(data, 2); // start (ten up: start) m_leds[11] = BIT(data, 3); // (ten up: feature 6) m_leds[12] = BIT(data, 4); // (ten up: feature 11) m_leds[13] = BIT(data, 5); // (ten up: feature 13) m_leds[14] = BIT(data, 6); // lamp a (ten up: feature 12) m_leds[15] = BIT(data, 7); // lamp b (ten up: pass) } void guab_state::output3_w(uint8_t data) { m_leds[16] = BIT(data, 0); // select (ten up: collect) m_leds[17] = BIT(data, 1); // (ten up: feature 14) m_leds[18] = BIT(data, 2); // (ten up: feature 9) m_leds[19] = BIT(data, 3); // (ten up: lamp a) m_leds[20] = BIT(data, 4); // lamp c (ten up: lamp b) m_leds[21] = BIT(data, 5); // lamp d (ten up: lamp c) m_leds[22] = BIT(data, 6); m_leds[23] = BIT(data, 7); } void guab_state::output4_w(uint8_t data) { m_leds[24] = BIT(data, 0); // feature 1 (ten up: feature 1) m_leds[25] = BIT(data, 1); // feature 2 (ten up: feature 10) m_leds[26] = BIT(data, 2); // feature 3 (ten up: feature 7) m_leds[27] = BIT(data, 3); // feature 4 (ten up: feature 2) m_leds[28] = BIT(data, 4); // feature 5 (ten up: feature 8) m_leds[29] = BIT(data, 5); // feature 6 (ten up: feature 3) m_leds[30] = BIT(data, 6); // feature 7 (ten up: feature 4) m_leds[31] = BIT(data, 7); // feature 8 (ten up: feature 5) } void guab_state::output5_w(uint8_t data) { m_leds[32] = BIT(data, 0); m_leds[33] = BIT(data, 1); m_leds[34] = BIT(data, 2); m_leds[35] = BIT(data, 3); m_leds[36] = BIT(data, 4); m_leds[37] = BIT(data, 5); m_leds[38] = BIT(data, 6); m_leds[39] = BIT(data, 7); // mech lamp (ten up: mech lamp) } void guab_state::output6_w(uint8_t data) { m_leds[40] = BIT(data, 0); m_leds[41] = BIT(data, 1); m_leds[42] = BIT(data, 2); m_leds[43] = BIT(data, 3); m_leds[44] = BIT(data, 4); // 50p drive (ten up: 10p drive) m_leds[45] = BIT(data, 5); // 100p drive (ten up: 100p drive) m_leds[46] = BIT(data, 6); m_leds[47] = BIT(data, 7); } //************************************************************************** // AUDIO //************************************************************************** uint8_t guab_state::sn76489_ready_r() { // bit 7 connected to sn76489 ready output (0 = ready) return ~(m_sn->ready_r() << 7); } void guab_state::sn76489_buffer_w(uint8_t data) { m_sound_buffer = data; } //************************************************************************** // FLOPPY DRIVE //************************************************************************** void guab_state::floppy_formats(format_registration &fr) { fr.add_mfm_containers(); fr.add(FLOPPY_GUAB_FORMAT); } static void guab_floppies(device_slot_interface &device) { device.option_add("dd", FLOPPY_35_DD); } //************************************************************************** // MACHINE DEFINTIONS //************************************************************************** void guab_state::guab(machine_config &config) { /* TODO: Verify clock */ M68000(config, m_maincpu, 8000000); m_maincpu->set_addrmap(AS_PROGRAM, &guab_state::guab_map); /* TODO: Use real video timings */ 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(64*8, 32*8); screen.set_visarea(0, 64*8-1, 0, 32*8-1); screen.set_screen_update(FUNC(guab_state::screen_update_guab)); screen.set_palette(m_palette); PALETTE(config, m_palette).set_entries(ef9369_device::NUMCOLORS); EF9369(config, "ef9369").set_color_update_callback(FUNC(guab_state::ef9369_color_update)); TMS34061(config, m_tms34061, 0); m_tms34061->set_rowshift(8); /* VRAM address is (row << rowshift) | col */ m_tms34061->set_vram_size(0x40000); m_tms34061->int_callback().set_inputline("maincpu", 5); m_tms34061->set_screen("screen"); SPEAKER(config, "mono").front_center(); /* TODO: Verify clock */ SN76489(config, m_sn, 2000000); m_sn->add_route(ALL_OUTPUTS, "mono", 0.50); ptm6840_device &ptm(PTM6840(config, "6840ptm", 1000000)); ptm.set_external_clocks(0, 0, 0); ptm.irq_callback().set_inputline("maincpu", 3); i8255_device &ppi1(I8255(config, "i8255_1")); ppi1.in_pa_callback().set_ioport("IN0"); ppi1.in_pb_callback().set_ioport("IN1"); ppi1.in_pc_callback().set_ioport("IN2"); i8255_device &ppi2(I8255(config, "i8255_2")); ppi2.out_pa_callback().set(FUNC(guab_state::output1_w)); ppi2.out_pb_callback().set(FUNC(guab_state::output2_w)); ppi2.out_pc_callback().set(FUNC(guab_state::output3_w)); i8255_device &ppi3(I8255(config, "i8255_3")); ppi3.out_pa_callback().set(FUNC(guab_state::output4_w)); ppi3.out_pb_callback().set(FUNC(guab_state::output5_w)); ppi3.out_pc_callback().set(FUNC(guab_state::output6_w)); i8255_device &ppi4(I8255(config, "i8255_4")); ppi4.in_pa_callback().set(FUNC(guab_state::sn76489_ready_r)); ppi4.out_pa_callback().set(FUNC(guab_state::sn76489_buffer_w)); ppi4.out_pb_callback().set(FUNC(guab_state::system_w)); ppi4.in_pc_callback().set(FUNC(guab_state::watchdog_r)); ppi4.out_pc_callback().set(FUNC(guab_state::watchdog_w)); bacta_datalogger_device &bacta(BACTA_DATALOGGER(config, "bacta", 0)); acia6850_device &acia1(ACIA6850(config, "acia6850_1", 0)); acia1.txd_handler().set("bacta", FUNC(bacta_datalogger_device::write_txd)); acia1.irq_handler().set_inputline("maincpu", 4); bacta.rxd_handler().set("acia6850_1", FUNC(acia6850_device::write_rxd)); clock_device &acia_clock(CLOCK(config, "acia_clock", 19200)); // source? the ptm doesn't seem to output any common baud values acia_clock.signal_handler().set("acia6850_1", FUNC(acia6850_device::write_txc)); acia_clock.signal_handler().append("acia6850_1", FUNC(acia6850_device::write_rxc)); ACIA6850(config, "acia6850_2", 0); // floppy WD1773(config, m_fdc, 8000000); m_fdc->drq_wr_callback().set_inputline(m_maincpu, 6); FLOPPY_CONNECTOR(config, "fdc:0", guab_floppies, "dd", guab_state::floppy_formats).set_fixed(true); SOFTWARE_LIST(config, "floppy_list").set_original("guab"); config.set_default_layout(layout_guab); } //************************************************************************** // ROM DEFINITIONS //************************************************************************** ROM_START( guab ) ROM_REGION( 0x20000, "maincpu", 0 ) ROM_LOAD16_BYTE( "guab1a1.rom", 0x00000, 0x8000, CRC(f23a9d7d) SHA1(f933e131bdcf21cfa6001c8e20fd11d94c7a9450) ) ROM_LOAD16_BYTE( "guab1b1.rom", 0x00001, 0x8000, CRC(af3b5492) SHA1(6fd7f29e6ed2fadccc9246f1ebd049c3f9aeff13) ) ROM_LOAD16_BYTE( "guab2a1.rom", 0x10000, 0x8000, CRC(ae7a162c) SHA1(d69721818b8e4daba776a678b62bc7f44f371a3f) ) ROM_LOAD16_BYTE( "guab2b1.rom", 0x10001, 0x8000, CRC(29aa26a0) SHA1(8d425ad845ccfcd8995dbf6adc1ca17989a5d3ea) ) ROM_END ROM_START( crisscrs ) ROM_REGION( 0x20000, "maincpu", 0 ) ROM_LOAD16_BYTE( "crisscross_swe_2a1.ic49", 0x00000, 0x8000, CRC(a7ca8828) SHA1(a28482bb2bc1248a9b5c0b57904c382246a632cc) ) ROM_LOAD16_BYTE( "crisscross_swe_2b1.ic48", 0x00001, 0x8000, CRC(7e280cae) SHA1(18c76459e39549ddba5f0cd7921013ef4f816826) ) ROM_END ROM_START( tenup ) ROM_REGION( 0x20000, "maincpu", 0 ) ROM_LOAD16_BYTE( "tu-11.bin", 0x00000, 0x8000, CRC(01843086) SHA1(106a226900e8cf929f89edf801c627f02e4afce3) ) ROM_LOAD16_BYTE( "tu-12.bin", 0x00001, 0x8000, CRC(1c7f32b1) SHA1(2b14e2206695ae53909ae838a5c036248d9ab940) ) ROM_LOAD16_BYTE( "tu-13.bin", 0x10000, 0x8000, CRC(d19e2bf7) SHA1(76a9cbd4f604ad39eb0e319a9a6d5a6739b0ed8c) ) ROM_LOAD16_BYTE( "tu-14.bin", 0x10001, 0x8000, CRC(fd8a0c3c) SHA1(f87289ce6f0d2bc9b7d3a0b6deff38ba3aadf391) ) ROM_END //************************************************************************** // SYSTEM DRIVERS //************************************************************************** // YEAR NAME PARENT MACHINE INPUT CLASS INIT ROTATION COMPANY FULLNAME FLAGS GAME( 1986, guab, 0, guab, guab, guab_state, empty_init, ROT0, "JPM", "Give us a Break", 0 ) GAME( 1986, crisscrs, 0, guab, guab, guab_state, empty_init, ROT0, "JPM", "Criss Cross (Sweden)", MACHINE_NOT_WORKING ) GAME( 1988, tenup, 0, guab, tenup, guab_state, empty_init, ROT0, "JPM", "Ten Up", 0 )