// license:BSD-3-Clause // copyright-holders:Philip Bennett /*************************************************************************** Tatsumi TX-1/Buggy Boy sound hardware ***************************************************************************/ #include "emu.h" #include "audio/tx1.h" #include "cpu/z80/z80.h" #include "includes/tx1.h" #include "video/resnet.h" #include "speaker.h" /************************************* * * TX-1 * *************************************/ /* RC oscillator: 1785Hz */ #define TX1_NOISE_CLOCK (1/(1000.0e-12 * 560000.0)) #define TX1_PIT_CLOCK (clock() / 16) #define TX1_FRAC 30 #define TX1_SHUNT (250.0) #define TX1_R0 (180000.0 + TX1_SHUNT) #define TX1_R1 (56000.0 + TX1_SHUNT) #define TX1_R2 (22000.0 + TX1_SHUNT) #define TX1_R (100000.0 + TX1_SHUNT) #define TX1_RI (180000.0) static const double tx1_engine_gains[16] = { -( TX1_R )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_R0) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_R1) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_R1 + 1.0/TX1_R0) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_R2) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_R2 + 1.0/TX1_R0) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_R2 + 1.0/TX1_R1) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_R2 + 1.0/TX1_R1 + 1.0/TX1_R0) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_SHUNT ) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_SHUNT + 1.0/TX1_R0) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_SHUNT + 1.0/TX1_R1) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_SHUNT + 1.0/TX1_R1 + 1.0/TX1_R0) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_SHUNT + 1.0/TX1_R2) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_SHUNT + 1.0/TX1_R2 + 1.0/TX1_R0) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_SHUNT + 1.0/TX1_R2 + 1.0/TX1_R1) )/TX1_RI, -( 1.0/(1.0/TX1_R + 1.0/TX1_SHUNT + 1.0/TX1_R2 + 1.0/TX1_R1 + 1.0/TX1_R0) )/TX1_RI }; DEFINE_DEVICE_TYPE(TX1_SOUND, tx1_sound_device, "tx1_sound", "TX-1 Custom Sound") DEFINE_DEVICE_TYPE(TX1J_SOUND, tx1j_sound_device, "tx1j_sound", "TX-1 Custom Sound (Japan)") tx1_sound_device::tx1_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : tx1_sound_device(mconfig, TX1_SOUND, tag, owner, clock) { } tx1_sound_device::tx1_sound_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, type, tag, owner, clock), device_sound_interface(mconfig, *this), m_audiocpu(*this, "audio_cpu"), m_z80_ram(*this, "z80_ram"), m_ppi(*this, "ppi8255"), m_dsw(*this, "DSW"), m_steering(*this, "AN_STEERING"), m_accelerator(*this, "AN_ACCELERATOR"), m_brake(*this, "AN_BRAKE"), m_ppi_portd(*this, "PPI_PORTD"), m_stream(nullptr), m_freq_to_step(0), m_step0(0), m_step1(0), m_step2(0), m_ay_outputa(0), m_ay_outputb(0), m_pit0(0), m_pit1(0), m_pit2(0), m_noise_lfsra(0), m_noise_lfsrb(1), m_noise_lfsrc(0), m_noise_lfsrd(0), m_noise_counter(0), m_ym1_outputa(0), m_ym2_outputa(0), m_ym2_outputb(0) { } tx1j_sound_device::tx1j_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : tx1_sound_device(mconfig, TX1J_SOUND, tag, owner, clock) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void tx1_sound_device::device_start() { static const int r0[4] = { static_cast(390e3), static_cast(180e3), static_cast(180e3), static_cast(180e3) }; static const int r1[3] = { static_cast(180e3), static_cast(390e3), static_cast(56e3) }; static const int r2[3] = { static_cast(390e3), static_cast(390e3), static_cast(180e3) }; /* Allocate the stream */ m_stream = stream_alloc(0, 2, machine().sample_rate()); m_freq_to_step = (double)(1 << TX1_FRAC) / (double)machine().sample_rate(); /* Compute the engine resistor weights */ compute_resistor_weights(0, 10000, -1.0, 4, &r0[0], m_weights0, 0, 0, 3, &r1[0], m_weights1, 0, 0, 3, &r2[0], m_weights2, 0, 0); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void tx1_sound_device::device_reset() { m_step0 = m_step1 = m_step2 = 0; } /* Main CPU and Z80 synchronisation */ void tx1_sound_device::z80_busreq_w(uint16_t data) { m_audiocpu->set_input_line(INPUT_LINE_HALT, (data & 1) ? CLEAR_LINE : ASSERT_LINE); } /* Z80 can trigger its own interrupts */ void tx1_sound_device::z80_intreq_w(uint8_t data) { m_audiocpu->set_input_line(0, HOLD_LINE); } uint16_t tx1_sound_device::z80_shared_r(offs_t offset) { return m_audiocpu->space(AS_PROGRAM).read_byte(offset); } void tx1_sound_device::z80_shared_w(offs_t offset, uint16_t data) { m_audiocpu->space(AS_PROGRAM).write_byte(offset, data & 0xff); } /* (TODO) TS: Connected in place of dipswitch A bit 0 Accessed on startup as some sort of acknowledgement */ void tx1_sound_device::ts_w(offs_t offset, uint8_t data) { // TS = 1; m_z80_ram[offset] = data; } uint8_t tx1_sound_device::ts_r(offs_t offset) { // TS = 1; return m_z80_ram[offset]; } static uint8_t bit_reverse8(uint8_t val) { val = ((val & 0xF0) >> 4) | ((val & 0x0F) << 4); val = ((val & 0xCC) >> 2) | ((val & 0x33) << 2); val = ((val & 0xAA) >> 1) | ((val & 0x55) << 1); return val; } uint16_t tx1_sound_device::dipswitches_r() { return (m_dsw->read() & 0xfffe) | m_ts; } // Tazmi TZ2103 custom 4-channel A/D converter @ 7.5 MHz uint8_t buggyboy_sound_device::bb_analog_r(offs_t offset) { if (offset == 0) return bit_reverse8(((m_accelerator->read() & 0xf) << 4) | m_steering->read()); else return bit_reverse8((m_brake->read() & 0xf) << 4); } uint8_t buggyboyjr_sound_device::bbjr_analog_r(offs_t offset) { if (offset == 0) return ((m_accelerator->read() & 0xf) << 4) | m_steering->read(); else return (m_brake->read() & 0xf) << 4; } void tx1_sound_device::tx1_coin_cnt_w(uint8_t data) { machine().bookkeeping().coin_counter_w(0, data & 0x80); machine().bookkeeping().coin_counter_w(1, data & 0x40); // machine().bookkeeping().coin_counter_w(2, data & 0x40); } void buggyboy_sound_device::bb_coin_cnt_w(uint8_t data) { machine().bookkeeping().coin_counter_w(0, data & 0x01); machine().bookkeeping().coin_counter_w(1, data & 0x02); // machine().bookkeeping().coin_counter_w(2, data & 0x04); } void tx1_sound_device::tx1_ppi_latch_w(uint8_t data) { m_ppi_latch_a = ((m_brake->read() & 0xf) << 4) | (m_accelerator->read() & 0xf); m_ppi_latch_b = m_steering->read(); } uint8_t tx1_sound_device::tx1_ppi_porta_r() { return m_ppi_latch_a; } uint8_t tx1_sound_device::tx1_ppi_portb_r() { return m_ppi_portd->read() | m_ppi_latch_b; } void tx1_sound_device::pit8253_w(offs_t offset, uint8_t data) { m_stream->update(); if (offset < 3) { if (m_pit8253.idx[offset] == 0) { m_pit8253.counts[offset].as8bit.LSB = data; m_pit8253.idx[offset] = 1; } else { m_pit8253.counts[offset].as8bit.MSB = data; m_pit8253.idx[offset] = 0; } } else { int mode = (data >> 1) & 7; if (mode == 3) { int cntsel = (data >> 6) & 3; m_pit8253.idx[cntsel] = 0; m_pit8253.counts[cntsel].val = 0; } else osd_printf_debug("PIT8253: Unsupported mode %d.\n", mode); } } uint8_t tx1_sound_device::pit8253_r(offs_t offset) { osd_printf_debug("PIT R: %x", offset); return 0; } /* Periodic Z80 interrupt */ INTERRUPT_GEN_MEMBER(tx1_sound_device::z80_irq) { m_audiocpu->set_input_line(0, HOLD_LINE); } /*************************************************************************** AY-8910 port mappings: Port A Port B ======= ====== 0: Engine 0 gain #0 0: Engine 0 gain #8 1: Engine 0 gain #1 1: Engine 0 gain #9 2: Engine 0 gain #2 2: Engine 0 gain #10 3: Engine 0 gain #3 3: Engine 0 gain #11 4: Engine 0 gain #4 4: /Enable AY on speaker CR 5: Engine 0 gain #5 5: /Enable Engines 1/2 on speakers LR/RR/CF 6: Engine 0 gain #6 6: /Skid 0 enable 7: Engine 0 gain #7 7: /Skid 1 enable ***************************************************************************/ void tx1_sound_device::ay8910_a_w(uint8_t data) { m_stream->update(); /* All outputs inverted */ m_ay_outputa = ~data; } void tx1_sound_device::ay8910_b_w(uint8_t data) { m_stream->update(); /* Only B3-0 are inverted */ m_ay_outputb = data ^ 0xf; /* It'll do until we get quadrophonic speaker support! */ double gain = BIT(m_ay_outputb, 4) ? 1.5 : 2.0; device_sound_interface *sound; interface(sound); sound->set_output_gain(0, gain); sound->set_output_gain(1, gain); sound->set_output_gain(2, gain); } /*************************************************************************** Engine sounds are produced by three of these 4013B chains: +------------------ | +---------+ +-----+ | | +-----+ | +-|D 1 Q|-+ +-|D 2 Q|-|----- | |C /Q|-o----|C /Q|-+ | +-----+ | +-----+ +---------+ +----------+ | +-----+ | +-----+ | |C 3 Q|-+ |C 4 Q|------- !&--|D /Q|------|D /Q|-+ | +-----+ +-----+ | +-----------------------+ Common clocks omitted for clarity (all driven from an 8253 output pin). Player: ES0, ES1, ES2 Opponent 2: ES2 ***************************************************************************/ static inline void update_engine(int eng[4]) { int p0 = eng[0]; int p1 = eng[1]; int p2 = eng[2]; int p3 = eng[3]; eng[0] = !p0; if (p0 && !eng[0]) eng[1] = !p1; eng[2] = !(p2 && !p3); eng[3] = !p2; } //------------------------------------------------- // sound_stream_update - handle a stream update //------------------------------------------------- void tx1_sound_device::sound_stream_update(sound_stream &stream, std::vector const &inputs, std::vector &outputs) { uint32_t step_0, step_1, step_2; double /*gain_0, gain_1,*/ gain_2, gain_3; auto &fl = outputs[0]; auto &fr = outputs[1]; /* 8253 outputs for the player/opponent engine sounds. */ step_0 = m_pit8253.counts[0].val ? (TX1_PIT_CLOCK / m_pit8253.counts[0].val * m_freq_to_step) : 0; step_1 = m_pit8253.counts[1].val ? (TX1_PIT_CLOCK / m_pit8253.counts[1].val * m_freq_to_step) : 0; step_2 = m_pit8253.counts[2].val ? (TX1_PIT_CLOCK / m_pit8253.counts[2].val * m_freq_to_step) : 0; //gain_0 = tx1_engine_gains[m_ay_outputa & 0xf]; //gain_1 = tx1_engine_gains[m_ay_outputa >> 4]; gain_2 = tx1_engine_gains[m_ay_outputb & 0xf]; gain_3 = BIT(m_ay_outputb, 5) ? 1.0f : 1.5f; for (int sampindex = 0; sampindex < fl.samples(); sampindex++) { if (m_step0 & ((1 << TX1_FRAC))) { update_engine(m_eng0); m_pit0 = combine_weights(m_weights0, m_eng0[0], m_eng0[1], m_eng0[2], m_eng0[3]); m_step0 &= ((1 << TX1_FRAC) - 1); } if (m_step1 & ((1 << TX1_FRAC))) { update_engine(m_eng1); m_pit1 = combine_weights(m_weights1, m_eng1[0], m_eng1[1], m_eng1[3]); m_step1 &= ((1 << TX1_FRAC) - 1); } if (m_step2 & ((1 << TX1_FRAC))) { update_engine(m_eng2); m_pit2 = combine_weights(m_weights2, m_eng2[0], m_eng2[1], m_eng2[3]); m_step2 &= ((1 << TX1_FRAC) - 1); } fl.put_int(sampindex, (m_pit0 + m_pit1)*gain_3 + 2*m_pit2*gain_2, 32768); fr.put_int(sampindex, (m_pit0 + m_pit1)*gain_3 + 2*m_pit2*gain_2, 32768); m_step0 += step_0; m_step1 += step_1; m_step2 += step_2; } } void tx1_sound_device::tx1_sound_prg(address_map &map) { map(0x0000, 0x1fff).rom(); map(0x3000, 0x37ff).ram().mirror(0x800).share("z80_ram"); map(0x4000, 0x4000).w(FUNC(tx1_sound_device::z80_intreq_w)); map(0x5000, 0x5003).rw(m_ppi, FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x6000, 0x6003).rw(FUNC(tx1_sound_device::pit8253_r), FUNC(tx1_sound_device::pit8253_w)); map(0x7000, 0x7fff).w(FUNC(tx1_sound_device::tx1_ppi_latch_w)); map(0xb000, 0xbfff).rw(FUNC(tx1_sound_device::ts_r), FUNC(tx1_sound_device::ts_w)); } void tx1_sound_device::tx1_sound_io(address_map &map) { map.global_mask(0xff); map(0x40, 0x41).w("aysnd", FUNC(ay8910_device::data_address_w)); } INPUT_PORTS_START( tx1_inputs ) PORT_START("DSW") /* Dipswitch DS.2 is 6 switches but "maps" to switches 2 to 8 (at 6P according to the manual) */ PORT_DIPNAME( 0x000c, 0x0000, "Game Cost" ) PORT_DIPLOCATION("DS.2:1,2") PORT_DIPSETTING( 0x0000, "1 Coin Unit for 1 Credit" ) PORT_DIPSETTING( 0x0004, "2 Coin Units for 1 Credit" ) PORT_DIPSETTING( 0x0008, "3 Coin Units for 1 Credit" ) PORT_DIPSETTING( 0x000c, "4 Coin Units for 1 Credit" ) PORT_DIPNAME( 0x0010, 0x0000, "Left Coin Mechanism" ) PORT_DIPLOCATION("DS.2:3") PORT_DIPSETTING( 0x0000, "1 Coin for 1 Coin Unit" ) PORT_DIPSETTING( 0x0010, "1 Coin for 2 Coin Units" ) PORT_DIPNAME( 0x0060, 0x0000, "Right Coin Mechanism" ) PORT_DIPLOCATION("DS.2:4,5") PORT_DIPSETTING( 0x0000, "1 Coin for 1 Coin Unit" ) PORT_DIPSETTING( 0x0020, "1 Coin for 4 Coin Units" ) PORT_DIPSETTING( 0x0040, "1 Coin for 5 Coin Units" ) PORT_DIPSETTING( 0x0060, "1 Coin for 6 Coin Units" ) PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPLOCATION("DS.2:6") /* Manual states switches 6 to 8 unused (physically it's only 6 switches) */ PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) /* Dipswitch DS.1 is 8 switches (at 8P according to the manual) */ PORT_DIPNAME( 0x0700, 0x0300, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("DS.1:1,2,3") PORT_DIPSETTING( 0x0000, "A (Easiest)" ) PORT_DIPSETTING( 0x0100, "B" ) PORT_DIPSETTING( 0x0200, "C" ) PORT_DIPSETTING( 0x0300, "D" ) PORT_DIPSETTING( 0x0400, "E" ) PORT_DIPSETTING( 0x0500, "F" ) PORT_DIPSETTING( 0x0600, "G" ) PORT_DIPSETTING( 0x0700, "H (Hardest)" ) PORT_DIPNAME( 0x1800, 0x1000, DEF_STR( Game_Time ) ) PORT_DIPLOCATION("DS.1:4,5") PORT_DIPSETTING( 0x0000, "A (Longest)" ) PORT_DIPSETTING( 0x0800, "B" ) PORT_DIPSETTING( 0x1000, "C" ) PORT_DIPSETTING( 0x1800, "D (Shortest)" ) PORT_DIPNAME( 0xe000, 0xe000, "Bonus Adder" ) PORT_DIPLOCATION("DS.1:6,7,8") PORT_DIPSETTING( 0x0000, "No Bonus" ) PORT_DIPSETTING( 0x2000, "2 Coin Units for 1 Credit" ) PORT_DIPSETTING( 0x4000, "3 Coin Units for 1 Credit" ) PORT_DIPSETTING( 0x6000, "4 Coin Units for 1 Credit" ) PORT_DIPSETTING( 0x8000, "5 Coin Units for 1 Credit" ) PORT_DIPSETTING( 0xa000, "4 Coin Units for 2 Credit" ) PORT_DIPSETTING( 0xc000, DEF_STR( Free_Play ) ) PORT_DIPSETTING( 0xe000, "No Bonus" ) PORT_START("AN_STEERING") PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(20) PORT_KEYDELTA(6) PORT_START("AN_ACCELERATOR") PORT_BIT( 0x1f, 0x00, IPT_PEDAL ) PORT_MINMAX(0x00,0x1f) PORT_SENSITIVITY(25) PORT_KEYDELTA(10) PORT_START("AN_BRAKE") PORT_BIT( 0x1f, 0x00, IPT_PEDAL2 ) PORT_MINMAX(0x00,0x1f) PORT_SENSITIVITY(25) PORT_KEYDELTA(10) PORT_START("PPI_PORTC") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_SERVICE( 0x04, IP_ACTIVE_HIGH ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Gear Change") PORT_TOGGLE PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN3 ) PORT_START("PPI_PORTD") /* Wire jumper setting on sound PCB - actually unpopulated 4 switch DS.3 */ PORT_DIPNAME( 0xf0, 0x80, "Sound PCB Jumper (DS.3)" ) PORT_DIPSETTING( 0x10, "1" ) PORT_DIPSETTING( 0x20, "2" ) PORT_DIPSETTING( 0x40, "3" ) PORT_DIPSETTING( 0x80, "4" ) INPUT_PORTS_END ioport_constructor tx1_sound_device::device_input_ports() const { return INPUT_PORTS_NAME(tx1_inputs); } INPUT_PORTS_START( tx1j_inputs ) PORT_INCLUDE(tx1_inputs) PORT_MODIFY("DSW") /* Dipswitch DS.2 is 6 switches but "maps" to switches 2 to 8 (at 6P according to the manual) */ PORT_DIPNAME( 0x001c, 0x0000, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("DS.2:1,2,3") /* As silkscreened on the PCB */ PORT_DIPSETTING( 0x0008, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x0004, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x001c, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x000c, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x0010, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x0014, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x0018, DEF_STR( 1C_6C ) ) PORT_DIPNAME( 0x00e0, 0x0000, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("DS.2:4,5,6") /* As silkscreened on the PCB */ PORT_DIPSETTING( 0x0040, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x0020, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x00e0, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x0060, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x0080, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x00a0, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x00c0, DEF_STR( 1C_6C ) ) /* Dipswitch DS.1 is 8 switches (at 8P according to the manual) */ PORT_DIPNAME( 0xe000, 0x0000, DEF_STR( Unknown ) ) PORT_DIPLOCATION("DS.1:6,7,8") PORT_DIPSETTING( 0x0000, "0" ) PORT_DIPSETTING( 0x2000, "1" ) PORT_DIPSETTING( 0x4000, "2" ) PORT_DIPSETTING( 0x6000, "3" ) PORT_DIPSETTING( 0x8000, "4" ) PORT_DIPSETTING( 0xa000, "5" ) PORT_DIPSETTING( 0xc000, "6" ) PORT_DIPSETTING( 0xe000, "7" ) INPUT_PORTS_END ioport_constructor tx1j_sound_device::device_input_ports() const { return INPUT_PORTS_NAME(tx1j_inputs); } void tx1_sound_device::device_add_mconfig(machine_config &config) { Z80(config, m_audiocpu, TX1_PIXEL_CLOCK / 2); m_audiocpu->set_addrmap(AS_PROGRAM, &tx1_sound_device::tx1_sound_prg); m_audiocpu->set_addrmap(AS_IO, &tx1_sound_device::tx1_sound_io); m_audiocpu->set_periodic_int(DEVICE_SELF, FUNC(tx1_sound_device::z80_irq), attotime::from_hz(TX1_PIXEL_CLOCK / 4 / 2048 / 2)); I8255A(config, m_ppi); m_ppi->in_pa_callback().set(FUNC(tx1_sound_device::tx1_ppi_porta_r)); m_ppi->in_pb_callback().set(FUNC(tx1_sound_device::tx1_ppi_portb_r)); m_ppi->in_pc_callback().set_ioport("PPI_PORTC"); m_ppi->out_pc_callback().set(FUNC(tx1_sound_device::tx1_coin_cnt_w)); SPEAKER(config, "frontleft", -0.2, 0.0, 1.0); SPEAKER(config, "frontright", 0.2, 0.0, 1.0); // SPEAKER(config, "rearleft", -0.2, 0.0, -0.5); /* Atari TX-1 TM262 manual shows 4 speakers (TX-1 Audio PCB Assembly A042016-01 A) */ // SPEAKER(config, "rearright", 0.2, 0.0, -0.5); ay8910_device &aysnd(AY8910(config, "aysnd", TX1_PIXEL_CLOCK / 8)); aysnd.port_a_write_callback().set(FUNC(tx1_sound_device::ay8910_a_w)); aysnd.port_b_write_callback().set(FUNC(tx1_sound_device::ay8910_b_w)); aysnd.add_route(ALL_OUTPUTS, "frontleft", 0.1); aysnd.add_route(ALL_OUTPUTS, "frontright", 0.1); this->add_route(0, "frontleft", 0.2); this->add_route(1, "frontright", 0.2); } /************************************* * * Buggy Boy * *************************************/ #define BUGGYBOY_PIT_CLOCK (clock() / 8) #define BUGGYBOY_NOISE_CLOCK (BUGGYBOY_PIT_CLOCK / 4) #define BUGGYBOY_R1 47000.0 #define BUGGYBOY_R2 22000.0 #define BUGGYBOY_R3 10000.0 #define BUGGYBOY_R4 5600.0 #define BUGGYBOY_SHUNT 250.0 #define BUGGYBOY_R1S (1.0/(1.0/BUGGYBOY_R1 + 1.0/BUGGYBOY_SHUNT)) #define BUGGYBOY_R2S (1.0/(1.0/BUGGYBOY_R2 + 1.0/BUGGYBOY_SHUNT)) #define BUGGYBOY_R3S (1.0/(1.0/BUGGYBOY_R3 + 1.0/BUGGYBOY_SHUNT)) #define BUGGYBOY_R4S (1.0/(1.0/BUGGYBOY_R4 + 1.0/BUGGYBOY_SHUNT)) static const double bb_engine_gains[16] = { -1.0/(1.0/(BUGGYBOY_R1 + BUGGYBOY_R2 + BUGGYBOY_R3 + BUGGYBOY_R4 ) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1 + BUGGYBOY_R2 + BUGGYBOY_R3 + BUGGYBOY_R4S) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1 + BUGGYBOY_R2 + BUGGYBOY_R3S + BUGGYBOY_R4 ) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1 + BUGGYBOY_R2 + BUGGYBOY_R3S + BUGGYBOY_R4S) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1 + BUGGYBOY_R2S + BUGGYBOY_R3 + BUGGYBOY_R4 ) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1 + BUGGYBOY_R2S + BUGGYBOY_R3 + BUGGYBOY_R4S) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1 + BUGGYBOY_R2S + BUGGYBOY_R3S + BUGGYBOY_R4 ) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1 + BUGGYBOY_R2S + BUGGYBOY_R3S + BUGGYBOY_R4S) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1S + BUGGYBOY_R2 + BUGGYBOY_R3 + BUGGYBOY_R4 ) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1S + BUGGYBOY_R2 + BUGGYBOY_R3 + BUGGYBOY_R4S) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1S + BUGGYBOY_R2 + BUGGYBOY_R3S + BUGGYBOY_R4 ) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1S + BUGGYBOY_R2 + BUGGYBOY_R3S + BUGGYBOY_R4S) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1S + BUGGYBOY_R2S + BUGGYBOY_R3 + BUGGYBOY_R4 ) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1S + BUGGYBOY_R2S + BUGGYBOY_R3 + BUGGYBOY_R4S) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1S + BUGGYBOY_R2S + BUGGYBOY_R3S + BUGGYBOY_R4 ) + 1.0/100e3)/100e3, -1.0/(1.0/(BUGGYBOY_R1S + BUGGYBOY_R2S + BUGGYBOY_R3S + BUGGYBOY_R4S) + 1.0/100e3)/100e3, }; DEFINE_DEVICE_TYPE(BUGGYBOY_SOUND, buggyboy_sound_device, "buggyboy_sound", "Buggy Boy Custom Sound") DEFINE_DEVICE_TYPE(BUGGYBOYJR_SOUND, buggyboyjr_sound_device, "buggyboyjr_sound", "Buggy Boy Jr. Custom Sound") buggyboy_sound_device::buggyboy_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : buggyboy_sound_device(mconfig, BUGGYBOY_SOUND, tag, owner, clock) { } buggyboy_sound_device::buggyboy_sound_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : tx1_sound_device(mconfig, type, tag, owner, clock) , m_ym(*this, "ym%u", 1U) { } buggyboyjr_sound_device::buggyboyjr_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : buggyboy_sound_device(mconfig, BUGGYBOYJR_SOUND, tag, owner, clock) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void buggyboy_sound_device::device_start() { static const int resistors[4] = { 330000, 220000, 330000, 220000 }; double aweights[4]; int i; static const int tmp[16] = { 0x0, 0x1, 0xe, 0xf, 0x8, 0x9, 0x6, 0x7, 0xc, 0xd, 0xe, 0xf, 0x4, 0x5, 0x6, 0x7 }; compute_resistor_weights(0, 16384, -1.0, 4, &resistors[0], aweights, 0, 0, 0, nullptr, nullptr, 0, 0, 0, nullptr, nullptr, 0, 0 ); for (i = 0; i < 16; i++) m_eng_voltages[i] = combine_weights(aweights, BIT(tmp[i], 0), BIT(tmp[i], 1), BIT(tmp[i], 2), BIT(tmp[i], 3)); /* Allocate the stream */ m_stream = stream_alloc(0, 2, machine().sample_rate()); m_freq_to_step = (double)(1 << 24) / (double)machine().sample_rate(); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void buggyboy_sound_device::device_reset() { m_step0 = m_step1 = 0; /* Reset noise LFSR */ m_noise_lfsra = 0; m_noise_lfsrb = 1; m_noise_lfsrc = 0; m_noise_lfsrd = 0; } /*************************************************************************** YM-2149, IC24 port mappings: Port A Port B ======= ====== 0: Engine 1 gain (FR) #0 0: *Coin Counter 1 1: Engine 1 gain (FR) #1 1: *Coin Counter 2 2: Engine 1 gain (FR) #2 2: *Coin Counter 3 (Unused) 3: Engine 1 gain (FR) #3 3: *Engine 0 gain 4: Engine 1 gain (FL) #0 4: Skid 0 enable 5: Engine 1 gain (FL) #1 5: Skid 1 enable 6: Engine 1 gain (FL) #2 6: Enable YM IC24 output on RR 7: Engine 1 gain (FL) #3 7: Enable YM IC19 output on RL (* Buggy Boy Junior only) The engine sounds are generated by an 8253. There are two channels. #0 is the player's buggy #1 is the opponents' buggies +------------> GAIN[1] +--> FL | +--> FR 8255 #0 --+--> BL +--> BR 8255 #1 --+--> GAIN[2] ---> FL +--> GAIN[3] ---> FR [1] is used to amplify sound during tunnel. [2] and [3] are stereo fades ***************************************************************************/ void buggyboy_sound_device::ym1_a_w(uint8_t data) { m_stream->update(); m_ym1_outputa = data ^ 0xff; } void buggyboy_sound_device::ym2_a_w(uint8_t data) { m_stream->update(); m_ym2_outputa = data ^ 0xff; } void buggyboy_sound_device::ym2_b_w(uint8_t data) { m_stream->update(); m_ym2_outputb = data ^ 0xff; if (has_coin_counters()) { machine().bookkeeping().coin_counter_w(0, data & 0x01); machine().bookkeeping().coin_counter_w(1, data & 0x02); } /* Until we support > 2 speakers, double the gain of the front speakers TODO: We do support more than 2 speakers but the output is downmixed to stereo. */ /* Rear left speaker */ double gain = data & 0x80 ? 1.0 : 2.0; m_ym[0]->set_output_gain(0, gain); m_ym[0]->set_output_gain(1, gain); m_ym[0]->set_output_gain(2, gain); /* Rear right speaker */ gain = data & 0x40 ? 1.0 : 2.0; m_ym[1]->set_output_gain(0, gain); m_ym[1]->set_output_gain(1, gain); m_ym[1]->set_output_gain(2, gain); } //------------------------------------------------- // sound_stream_update - handle a stream update //------------------------------------------------- void buggyboy_sound_device::sound_stream_update(sound_stream &stream, std::vector const &inputs, std::vector &outputs) { /* This is admittedly a bit of a hack job... */ uint32_t step_0, step_1; int n1_en, n2_en; double gain0, gain1_l, gain1_r; auto &fl = outputs[0]; auto &fr = outputs[1]; /* 8253 outputs for the player/opponent buggy engine sounds. */ step_0 = m_pit8253.counts[0].val ? (BUGGYBOY_PIT_CLOCK / m_pit8253.counts[0].val * m_freq_to_step) : 0; step_1 = m_pit8253.counts[1].val ? (BUGGYBOY_PIT_CLOCK / m_pit8253.counts[1].val * m_freq_to_step) : 0; if (!strcmp(machine().system().name, "buggyboyjr")) gain0 = BIT(m_ym2_outputb, 3) ? 1.0 : 2.0; else gain0 = BIT(m_ym1_outputa, 3) ? 1.0 : 2.0; n1_en = BIT(m_ym2_outputb, 4); n2_en = BIT(m_ym2_outputb, 5); gain1_l = bb_engine_gains[m_ym2_outputa >> 4] * 5; gain1_r = bb_engine_gains[m_ym2_outputa & 0xf] * 5; for (int sampindex = 0; sampindex < fl.samples(); sampindex++) { int i; s32 pit0, pit1, n1, n2; pit0 = m_eng_voltages[(m_step0 >> 24) & 0xf]; pit1 = m_eng_voltages[(m_step1 >> 24) & 0xf]; /* Calculate the tyre screech noise source */ for (i = 0; i < BUGGYBOY_NOISE_CLOCK / machine().sample_rate(); ++i) { /* CD4006 is a 4-4-1-4-4-1 shift register */ int p13 = BIT(m_noise_lfsra, 3); int p12 = BIT(m_noise_lfsrb, 4); int p10 = BIT(m_noise_lfsrc, 3); int p8 = BIT(m_noise_lfsrd, 3); /* Update the register */ m_noise_lfsra = p12 | ((m_noise_lfsra << 1) & 0xf); m_noise_lfsrb = (p8 ^ p12) | ((m_noise_lfsrb << 1) & 0x1f); m_noise_lfsrc = p13 | ((m_noise_lfsrc << 1) & 0xf); m_noise_lfsrd = p10 | ((m_noise_lfsrd << 1) & 0x1f); /* 4040 12-bit counter is clocked on the falling edge of Q13 */ if ( !BIT(m_noise_lfsrc, 3) && p10 ) m_noise_counter = (m_noise_counter + 1) & 0x0fff; } if (n1_en) { n1 = !BIT(m_noise_counter, 7-1) * 16000; if ( BIT(m_noise_counter, 11-1) ) n1 /=2; } else n1 = 8192; if (n2_en) { n2 = !BIT(m_noise_counter, 6-1) * 16000; if ( BIT(m_noise_counter, 11-1) ) n2 /=2; } else n2 = 8192; fl.put_int(sampindex, n1 + n2 + (pit0 * gain0) + (pit1 * gain1_l), 32768); fr.put_int(sampindex, n1 + n2 + (pit0 * gain0) + (pit1 * gain1_r), 32768); m_step0 += step_0; m_step1 += step_1; } } /* Buggy Boy Sound PCB TC033A */ void buggyboy_sound_device::buggyboy_sound_prg(address_map &map) { map(0x0000, 0x3fff).rom(); map(0x4000, 0x47ff).ram().share("z80_ram"); map(0x6000, 0x6001).r(FUNC(buggyboy_sound_device::bb_analog_r)); map(0x6800, 0x6803).rw(m_ppi, FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x7000, 0x7003).rw(FUNC(buggyboy_sound_device::pit8253_r), FUNC(buggyboy_sound_device::pit8253_w)); map(0x7800, 0x7800).w(FUNC(tx1_sound_device::z80_intreq_w)); map(0xc000, 0xc7ff).rw(FUNC(tx1_sound_device::ts_r), FUNC(tx1_sound_device::ts_w)); } /* Buggy Boy Jr Sound PCB TC043 */ void buggyboyjr_sound_device::buggybjr_sound_prg(address_map &map) { map(0x0000, 0x3fff).rom(); map(0x4000, 0x47ff).ram().share("z80_ram"); map(0x5000, 0x5003).rw(FUNC(buggyboy_sound_device::pit8253_r), FUNC(buggyboy_sound_device::pit8253_w)); map(0x6000, 0x6001).r(FUNC(buggyboyjr_sound_device::bbjr_analog_r)); map(0x7000, 0x7000).w(FUNC(tx1_sound_device::z80_intreq_w)); map(0xc000, 0xc7ff).rw(FUNC(tx1_sound_device::ts_r), FUNC(tx1_sound_device::ts_w)); } /* Common */ void buggyboy_sound_device::buggyboy_sound_io(address_map &map) { map.global_mask(0xff); map(0x40, 0x40).r(m_ym[0], FUNC(ay8910_device::data_r)); map(0x40, 0x41).w(m_ym[0], FUNC(ay8910_device::data_address_w)); map(0x80, 0x80).r(m_ym[1], FUNC(ay8910_device::data_r)); map(0x80, 0x81).w(m_ym[1], FUNC(ay8910_device::data_address_w)); } INPUT_PORTS_START( buggyboy_inputs ) PORT_START("DSW") /* Dipswitch 0 is unconnected */ PORT_DIPNAME( 0x0003, 0x0003, "Do not change DSW2 1&2" ) PORT_DIPLOCATION("SW2:1,2") /* Listed in manual as "Do Not Change" */ PORT_DIPSETTING( 0x0000, "0" ) PORT_DIPSETTING( 0x0001, "1" ) PORT_DIPSETTING( 0x0002, "2" ) PORT_DIPSETTING( 0x0003, "3" ) PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Language ) ) PORT_DIPLOCATION("SW2:3") /* Language of game instructions */ PORT_DIPSETTING( 0x0004, DEF_STR( English ) ) PORT_DIPSETTING( 0x0000, DEF_STR( Japanese ) ) PORT_DIPNAME( 0x0008, 0x0008, "Do not Change DSW2 4" ) PORT_DIPLOCATION("SW2:4") /* Listed in manual as "Do Not Change" */ PORT_DIPSETTING( 0x0000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0008, DEF_STR( On ) ) PORT_DIPNAME( 0x0030, 0x0010, "Time Rank" ) PORT_DIPLOCATION("SW2:5,6") PORT_DIPSETTING( 0x0000, "A (Longest)" ) PORT_DIPSETTING( 0x0010, "B" ) PORT_DIPSETTING( 0x0020, "C" ) PORT_DIPSETTING( 0x0030, "D (Shortest)" ) PORT_DIPNAME( 0x00c0, 0x0040, "Game Rank" ) PORT_DIPLOCATION("SW2:7,8") PORT_DIPSETTING( 0x0000, "A (Easy)") PORT_DIPSETTING( 0x0040, "B" ) PORT_DIPSETTING( 0x0080, "C" ) PORT_DIPSETTING( 0x00c0, "D (Difficult)" ) PORT_DIPNAME( 0xe000, 0x0000, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW1:8,7,6") PORT_DIPSETTING( 0x4000, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x2000, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0xc000, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x6000, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x8000, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0xa000, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0xe000, "Free-Play" ) PORT_DIPNAME( 0x1800, 0x0800, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:5,4") PORT_DIPSETTING( 0x0800, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x1000, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x1800, DEF_STR( 1C_5C ) ) PORT_DIPNAME( 0x0700, 0x0700, "Do not change DSW1 1-3" ) PORT_DIPLOCATION("SW1:3,2,1") /* Listed in manual as "Do Not Change" */ PORT_DIPSETTING( 0x0000, "0" ) PORT_DIPSETTING( 0x0100, "1" ) PORT_DIPSETTING( 0x0200, "2" ) PORT_DIPSETTING( 0x0300, "3" ) PORT_DIPSETTING( 0x0400, "4" ) PORT_DIPSETTING( 0x0500, "5" ) PORT_DIPSETTING( 0x0600, "6" ) PORT_DIPSETTING( 0x0700, "7" ) PORT_START("PPI_PORTA") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN3 ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Gear Change") PORT_TOGGLE PORT_SERVICE( 0x80, IP_ACTIVE_HIGH ) PORT_START("PPI_PORTC") PORT_DIPNAME( 0xff, 0x80, "Sound PCB Jumper" ) PORT_DIPSETTING( 0x00, "0" ) PORT_DIPSETTING( 0x01, "1" ) PORT_DIPSETTING( 0x02, "2" ) PORT_DIPSETTING( 0x04, "3" ) PORT_DIPSETTING( 0x08, "4" ) PORT_DIPSETTING( 0x10, "5" ) PORT_DIPSETTING( 0x20, "Speed Buggy/Data East" ) PORT_DIPSETTING( 0x40, "Buggy Boy/Taito" ) PORT_DIPSETTING( 0x80, "Buggy Boy/Tatsumi" ) PORT_START("AN_STEERING") PORT_BIT( 0x0f, 0x00, IPT_DIAL ) PORT_SENSITIVITY(25) PORT_KEYDELTA(25) PORT_START("AN_ACCELERATOR") PORT_BIT( 0x1f, 0x00, IPT_PEDAL ) PORT_MINMAX(0x00,0x1f) PORT_SENSITIVITY(25) PORT_KEYDELTA(10) PORT_START("AN_BRAKE") PORT_BIT( 0x1f, 0x00, IPT_PEDAL2 ) PORT_MINMAX(0x00,0x1f) PORT_SENSITIVITY(25) PORT_KEYDELTA(10) INPUT_PORTS_END ioport_constructor buggyboy_sound_device::device_input_ports() const { return INPUT_PORTS_NAME(buggyboy_inputs); } INPUT_PORTS_START( buggyboyjr_inputs ) PORT_START("DSW") /* Dipswitch 0 is unconnected */ PORT_DIPNAME( 0x0003, 0x0003, "Do not change DSW2 1&2" ) PORT_DIPLOCATION("SW2:1,2") /* Listed in manual as "Do Not Change" */ PORT_DIPSETTING( 0x0000, "0" ) PORT_DIPSETTING( 0x0001, "1" ) PORT_DIPSETTING( 0x0002, "2" ) PORT_DIPSETTING( 0x0003, "3" ) PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Language ) ) PORT_DIPLOCATION("SW2:3") /* Language of game instructions */ PORT_DIPSETTING( 0x0004, DEF_STR( English ) ) PORT_DIPSETTING( 0x0000, DEF_STR( Japanese ) ) PORT_DIPNAME( 0x0008, 0x0008, "Do not Change DSW2 4" ) PORT_DIPLOCATION("SW2:4") /* Listed in manual as "Do Not Change" */ PORT_DIPSETTING( 0x0000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0008, DEF_STR( On ) ) PORT_DIPNAME( 0x0030, 0x0010, "Time Rank" ) PORT_DIPLOCATION("SW2:5,6") PORT_DIPSETTING( 0x0000, "A (Longest)" ) PORT_DIPSETTING( 0x0010, "B" ) PORT_DIPSETTING( 0x0020, "C" ) PORT_DIPSETTING( 0x0030, "D (Shortest)" ) PORT_DIPNAME( 0x00c0, 0x0040, "Game Rank" ) PORT_DIPLOCATION("SW2:7,8") PORT_DIPSETTING( 0x0000, "A (Easy)") PORT_DIPSETTING( 0x0040, "B" ) PORT_DIPSETTING( 0x0080, "C" ) PORT_DIPSETTING( 0x00c0, "D (Difficult)" ) PORT_DIPNAME( 0xe000, 0x0000, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW1:8,7,6") PORT_DIPSETTING( 0x4000, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x2000, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0xc000, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x6000, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x8000, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0xa000, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0xe000, "Free-Play" ) PORT_DIPNAME( 0x1800, 0x0800, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW1:5,4") PORT_DIPSETTING( 0x0000, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x1000, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x0800, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x1800, DEF_STR( 1C_6C ) ) PORT_DIPNAME( 0x0700, 0x0700, "Do not change DSW1 1-3" ) PORT_DIPLOCATION("SW1:3,2,1") /* Listed in manual as "Do Not Change" */ PORT_DIPSETTING( 0x0000, "0" ) PORT_DIPSETTING( 0x0100, "1" ) PORT_DIPSETTING( 0x0200, "2" ) PORT_DIPSETTING( 0x0300, "3" ) PORT_DIPSETTING( 0x0400, "4" ) PORT_DIPSETTING( 0x0500, "5" ) PORT_DIPSETTING( 0x0600, "6" ) PORT_DIPSETTING( 0x0700, "7" ) PORT_START("YM2149_IC19_A") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN3 ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Gear Change") PORT_TOGGLE PORT_SERVICE( 0x80, IP_ACTIVE_HIGH ) /* Wire jumper setting on sound PCB */ PORT_START("YM2149_IC19_B") PORT_DIPNAME( 0xff, 0x80, "Sound PCB Jumper" ) PORT_DIPSETTING( 0x00, "0" ) PORT_DIPSETTING( 0x01, "1" ) PORT_DIPSETTING( 0x02, "2" ) PORT_DIPSETTING( 0x04, "3" ) PORT_DIPSETTING( 0x08, "4" ) PORT_DIPSETTING( 0x10, "5" ) PORT_DIPSETTING( 0x20, "Speed Buggy/Data East" ) PORT_DIPSETTING( 0x40, "Buggy Boy/Taito" ) PORT_DIPSETTING( 0x80, "Buggy Boy/Tatsumi" ) PORT_START("AN_STEERING") PORT_BIT( 0x0f, 0x00, IPT_DIAL ) PORT_SENSITIVITY(25) PORT_KEYDELTA(25) PORT_START("AN_ACCELERATOR") PORT_BIT( 0x1f, 0x00, IPT_PEDAL ) PORT_MINMAX(0x00, 0x1f) PORT_SENSITIVITY(25) PORT_KEYDELTA(10) PORT_START("AN_BRAKE") PORT_BIT( 0x1f, 0x00, IPT_PEDAL2 ) PORT_MINMAX(0x00, 0x1f) PORT_SENSITIVITY(25) PORT_KEYDELTA(10) INPUT_PORTS_END ioport_constructor buggyboyjr_sound_device::device_input_ports() const { return INPUT_PORTS_NAME(buggyboyjr_inputs); } void buggyboy_sound_device::device_add_mconfig(machine_config &config) { Z80(config, m_audiocpu, BUGGYBOY_ZCLK / 2); m_audiocpu->set_addrmap(AS_PROGRAM, &buggyboy_sound_device::buggyboy_sound_prg); m_audiocpu->set_addrmap(AS_IO, &buggyboy_sound_device::buggyboy_sound_io); m_audiocpu->set_periodic_int(DEVICE_SELF, FUNC(buggyboy_sound_device::z80_irq), attotime::from_hz(BUGGYBOY_ZCLK / 2 / 4 / 2048)); I8255A(config, m_ppi); /* Buggy Boy uses an 8255 PPI instead of YM2149 ports for inputs! */ m_ppi->in_pa_callback().set_ioport("PPI_PORTA"); m_ppi->out_pb_callback().set(FUNC(buggyboy_sound_device::bb_coin_cnt_w)); m_ppi->in_pc_callback().set_ioport("PPI_PORTC"); SPEAKER(config, "frontleft", -0.2, 0.0, 1.0); SPEAKER(config, "frontright", 0.2, 0.0, 1.0); // SPEAKER(config, "rearleft", -0.2, 0.0, -0.5); /* Atari TX-1 TM262 manual shows 4 speakers (TX-1 Audio PCB Assembly A042016-01 A) */ // SPEAKER(config, "rearright", 0.2, 0.0, -0.5); YM2149(config, m_ym[0], BUGGYBOY_ZCLK / 4); m_ym[0]->port_a_write_callback().set(FUNC(buggyboy_sound_device::ym1_a_w)); m_ym[0]->add_route(ALL_OUTPUTS, "frontleft", 0.15); YM2149(config, m_ym[1], BUGGYBOY_ZCLK / 4); m_ym[1]->port_a_write_callback().set(FUNC(buggyboy_sound_device::ym2_a_w)); m_ym[1]->port_b_write_callback().set(FUNC(buggyboy_sound_device::ym2_b_w)); m_ym[1]->add_route(ALL_OUTPUTS, "frontright", 0.15); this->add_route(0, "frontleft", 0.2); this->add_route(1, "frontright", 0.2); } void buggyboyjr_sound_device::device_add_mconfig(machine_config &config) { Z80(config, m_audiocpu, BUGGYBOY_ZCLK / 2); m_audiocpu->set_addrmap(AS_PROGRAM, &buggyboyjr_sound_device::buggybjr_sound_prg); m_audiocpu->set_addrmap(AS_IO, &buggyboyjr_sound_device::buggyboy_sound_io); m_audiocpu->set_periodic_int(DEVICE_SELF, FUNC(buggyboy_sound_device::z80_irq), attotime::from_hz(BUGGYBOY_ZCLK / 2 / 4 / 2048)); SPEAKER(config, "frontleft", -0.2, 0.0, 1.0); SPEAKER(config, "frontright", 0.2, 0.0, 1.0); // SPEAKER(config, "rearleft", -0.2, 0.0, -0.5); // SPEAKER(config, "rearright", 0.2, 0.0, -0.5); YM2149(config, m_ym[0], BUGGYBOY_ZCLK / 4); /* YM2149 IC19 */ m_ym[0]->port_a_read_callback().set_ioport("YM2149_IC19_A"); m_ym[0]->port_b_read_callback().set_ioport("YM2149_IC19_B"); m_ym[0]->add_route(ALL_OUTPUTS, "frontleft", 0.15); YM2149(config, m_ym[1], BUGGYBOY_ZCLK / 4); /* YM2149 IC24 */ m_ym[1]->port_a_write_callback().set(FUNC(buggyboy_sound_device::ym2_a_w)); m_ym[1]->port_b_write_callback().set(FUNC(buggyboy_sound_device::ym2_b_w)); m_ym[1]->add_route(ALL_OUTPUTS, "frontright", 0.15); this->add_route(0, "frontleft", 0.2); this->add_route(1, "frontright", 0.2); }