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-rw-r--r--src/mame/audio/mw8080bw.cpp4761
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diff --git a/src/mame/audio/mw8080bw.cpp b/src/mame/audio/mw8080bw.cpp
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+++ b/src/mame/audio/mw8080bw.cpp
@@ -0,0 +1,4761 @@
+// license:???
+// copyright-holders:Michael Strutts, Nicola Salmoria, Tormod Tjaberg, Mirko Buffoni,Lee Taylor, Valerio Verrando, Marco Cassili, Zsolt Vasvari,Derrick Renaud
+/***************************************************************************
+
+ Midway 8080-based black and white hardware
+
+****************************************************************************/
+
+#include "emu.h"
+#include "includes/mw8080bw.h"
+
+
+/*************************************
+ *
+ * Audio setup
+ *
+ *************************************/
+
+SOUND_START_MEMBER( mw8080bw_state, samples )
+{
+ /* setup for save states */
+ save_item(NAME(m_port_1_last));
+ save_item(NAME(m_port_2_last));
+}
+
+
+/*************************************
+ *
+ * Implementation of tone generator used
+ * by a few of these games
+ *
+ *************************************/
+
+#define MIDWAY_TONE_EN NODE_100
+#define MIDWAY_TONE_DATA_L NODE_101
+#define MIDWAY_TONE_DATA_H NODE_102
+#define MIDWAY_TONE_SND NODE_103
+#define MIDWAY_TONE_TRASFORM_OUT NODE_104
+#define MIDWAY_TONE_BEFORE_AMP_SND NODE_105
+
+
+#define MIDWAY_TONE_GENERATOR(discrete_op_amp_tvca_info) \
+ /* bit 0 of tone data is always 0 */ \
+ /* join the L & H tone bits */ \
+ DISCRETE_INPUT_LOGIC(MIDWAY_TONE_EN) \
+ DISCRETE_INPUT_DATA (MIDWAY_TONE_DATA_L) \
+ DISCRETE_INPUT_DATA (MIDWAY_TONE_DATA_H) \
+ DISCRETE_TRANSFORM4(MIDWAY_TONE_TRASFORM_OUT, MIDWAY_TONE_DATA_H, 0x40, MIDWAY_TONE_DATA_L, 0x02, "01*23*+") \
+ DISCRETE_NOTE(MIDWAY_TONE_BEFORE_AMP_SND, 1, (double)MW8080BW_MASTER_CLOCK/10/2, MIDWAY_TONE_TRASFORM_OUT, 0xfff, 1, DISC_CLK_IS_FREQ) \
+ DISCRETE_OP_AMP_TRIG_VCA(MIDWAY_TONE_SND, MIDWAY_TONE_BEFORE_AMP_SND, MIDWAY_TONE_EN, 0, 12, 0, &discrete_op_amp_tvca_info)
+
+
+/* most common values based on clowns schematic */
+static const discrete_op_amp_tvca_info midway_music_tvca_info =
+{
+ RES_M(3.3), /* r502 */
+ RES_K(10) + RES_K(680), /* r505 + r506 */
+ 0,
+ RES_K(680), /* r503 */
+ RES_K(10), /* r500 */
+ 0,
+ RES_K(680), /* r501 */
+ 0,
+ 0,
+ 0,
+ 0,
+ CAP_U(.001), /* c500 */
+ 0,
+ 0, 0,
+ 12, /* v1 */
+ 0, /* v2 */
+ 0, /* v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG1,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+WRITE8_MEMBER(mw8080bw_state::midway_tone_generator_lo_w)
+{
+ m_discrete->write(space, MIDWAY_TONE_EN, (data >> 0) & 0x01);
+
+ m_discrete->write(space, MIDWAY_TONE_DATA_L, (data >> 1) & 0x1f);
+
+ /* D6 and D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::midway_tone_generator_hi_w)
+{
+ m_discrete->write(space, MIDWAY_TONE_DATA_H, data & 0x3f);
+
+ /* D6 and D7 are not connected */
+}
+
+
+
+/*************************************
+ *
+ * Implementation of the common
+ * noise circuits
+ *
+ *************************************/
+
+static const discrete_lfsr_desc midway_lfsr =
+{
+ DISC_CLK_IS_FREQ,
+ 17, /* bit length */
+ /* the RC network fed into pin 4, has the effect
+ of presetting all bits high at power up */
+ 0x1ffff, /* reset value */
+ 4, /* use bit 4 as XOR input 0 */
+ 16, /* use bit 16 as XOR input 1 */
+ DISC_LFSR_XOR, /* feedback stage1 is XOR */
+ DISC_LFSR_OR, /* feedback stage2 is just stage 1 output OR with external feed */
+ DISC_LFSR_REPLACE, /* feedback stage3 replaces the shifted register contents */
+ 0x000001, /* everything is shifted into the first bit only */
+ 0, /* output is not inverted */
+ 12 /* output bit */
+};
+
+
+
+/*************************************
+ *
+ * Sea Wolf
+ *
+ *************************************/
+
+static const char *const seawolf_sample_names[] =
+{
+ "*seawolf",
+ "shiphit",
+ "torpedo",
+ "dive",
+ "sonar",
+ "minehit",
+ 0
+};
+
+MACHINE_CONFIG_FRAGMENT( seawolf_audio )
+ MCFG_SOUND_START_OVERRIDE(mw8080bw_state, samples)
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("samples", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(5)
+ MCFG_SAMPLES_NAMES(seawolf_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.6)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::seawolf_audio_w)
+{
+ UINT8 rising_bits = data & ~m_port_1_last;
+
+ /* if (data & 0x01) enable SHIP HIT sound */
+ if (rising_bits & 0x01) m_samples->start(0, 0);
+
+ /* if (data & 0x02) enable TORPEDO sound */
+ if (rising_bits & 0x02) m_samples->start(1, 1);
+
+ /* if (data & 0x04) enable DIVE sound */
+ if (rising_bits & 0x04) m_samples->start(2, 2);
+
+ /* if (data & 0x08) enable SONAR sound */
+ if (rising_bits & 0x08) m_samples->start(3, 3);
+
+ /* if (data & 0x10) enable MINE HIT sound */
+ if (rising_bits & 0x10) m_samples->start(4, 4);
+
+ coin_counter_w(machine(), 0, (data >> 5) & 0x01);
+
+ /* D6 and D7 are not connected */
+
+ m_port_1_last = data;
+}
+
+
+
+/*************************************
+ *
+ * Gun Fight
+ *
+ *************************************/
+
+static const char *const gunfight_sample_names[] =
+{
+ "*gunfight",
+ "gunshot",
+ "killed",
+ 0
+};
+
+
+MACHINE_CONFIG_FRAGMENT( gunfight_audio )
+ MCFG_SOUND_START_OVERRIDE(mw8080bw_state, samples)
+
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+
+ MCFG_SOUND_ADD("samples1", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(1)
+ MCFG_SAMPLES_NAMES(gunfight_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)
+
+ MCFG_SOUND_ADD("samples2", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(1)
+ MCFG_SAMPLES_NAMES(gunfight_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::gunfight_audio_w)
+{
+ /* D0 and D1 are just tied to 1k resistors */
+
+ coin_counter_w(machine(), 0, (data >> 2) & 0x01);
+
+ /* the 74175 latches and inverts the top 4 bits */
+ switch ((~data >> 4) & 0x0f)
+ {
+ case 0x00:
+ break;
+
+ case 0x01:
+ /* enable LEFT SHOOT sound (left speaker) */
+ m_samples1->start(0, 0);
+ break;
+
+ case 0x02:
+ /* enable RIGHT SHOOT sound (right speaker) */
+ m_samples2->start(0, 0);
+ break;
+
+ case 0x03:
+ /* enable LEFT HIT sound (left speaker) */
+ m_samples1->start(0, 1);
+ break;
+
+ case 0x04:
+ /* enable RIGHT HIT sound (right speaker) */
+ m_samples2->start(0, 1);
+ break;
+
+ default:
+ logerror("%04x: Unknown sh port write %02x\n", space.device().safe_pc(), data);
+ break;
+ }
+}
+
+
+
+/*************************************
+ *
+ * Tornado Baseball
+ *
+ *************************************/
+
+#define TORNBASE_SQUAREW_240 NODE_01
+#define TORNBASE_SQUAREW_960 NODE_02
+#define TORNBASE_SQUAREW_120 NODE_03
+
+#define TORNBASE_TONE_240_EN NODE_04
+#define TORNBASE_TONE_960_EN NODE_05
+#define TORNBASE_TONE_120_EN NODE_06
+
+#define TORNBASE_TONE_240_SND NODE_07
+#define TORNBASE_TONE_960_SND NODE_08
+#define TORNBASE_TONE_120_SND NODE_09
+#define TORNBASE_TONE_SND NODE_10
+#define TORNBASE_TONE_SND_FILT NODE_11
+
+
+static DISCRETE_SOUND_START(tornbase)
+
+ /* the 3 enable lines coming out of the 74175 flip-flop at G5 */
+ DISCRETE_INPUT_LOGIC(TORNBASE_TONE_240_EN) /* pin 2 */
+ DISCRETE_INPUT_LOGIC(TORNBASE_TONE_960_EN) /* pin 7 */
+ DISCRETE_INPUT_LOGIC(TORNBASE_TONE_120_EN) /* pin 5 */
+
+ /* 3 different freq square waves (240, 960 and 120Hz).
+ Originates from the CPU board via an edge connector.
+ The wave is in the 0/+1 range */
+ DISCRETE_SQUAREWFIX(TORNBASE_SQUAREW_240, 1, 240, 1.0, 50.0, 1.0/2, 0) /* pin X */
+ DISCRETE_SQUAREWFIX(TORNBASE_SQUAREW_960, 1, 960, 1.0, 50.0, 1.0/2, 0) /* pin Y */
+ DISCRETE_SQUAREWFIX(TORNBASE_SQUAREW_120, 1, 120, 1.0, 50.0, 1.0/2, 0) /* pin V */
+
+ /* 7403 O/C NAND gate at G6. 3 of the 4 gates used with their outputs tied together */
+ DISCRETE_LOGIC_NAND(TORNBASE_TONE_240_SND, TORNBASE_SQUAREW_240, TORNBASE_TONE_240_EN) /* pins 4,5,6 */
+ DISCRETE_LOGIC_NAND(TORNBASE_TONE_960_SND, TORNBASE_SQUAREW_960, TORNBASE_TONE_960_EN) /* pins 2,1,3 */
+ DISCRETE_LOGIC_NAND(TORNBASE_TONE_120_SND, TORNBASE_SQUAREW_120, TORNBASE_TONE_120_EN) /* pins 13,12,11 */
+ DISCRETE_LOGIC_AND3(TORNBASE_TONE_SND, TORNBASE_TONE_240_SND, TORNBASE_TONE_960_SND, TORNBASE_TONE_120_SND)
+
+ /* 47K resistor (R601) and 0.047uF capacitor (C601)
+ There is also a 50K pot acting as a volume control, but we output at
+ the maximum volume as MAME has its own volume adjustment */
+ DISCRETE_CRFILTER(TORNBASE_TONE_SND_FILT, TORNBASE_TONE_SND, RES_K(47), CAP_U(0.047))
+
+ /* amplify for output */
+ DISCRETE_OUTPUT(TORNBASE_TONE_SND_FILT, 32767)
+
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( tornbase_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(tornbase)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::tornbase_audio_w)
+{
+ m_discrete->write(space, TORNBASE_TONE_240_EN, (data >> 0) & 0x01);
+
+ m_discrete->write(space, TORNBASE_TONE_960_EN, (data >> 1) & 0x01);
+
+ m_discrete->write(space, TORNBASE_TONE_120_EN, (data >> 2) & 0x01);
+
+ /* if (data & 0x08) enable SIREN sound */
+
+ /* if (data & 0x10) enable CHEER sound */
+
+ if (tornbase_get_cabinet_type() == TORNBASE_CAB_TYPE_UPRIGHT_OLD)
+ {
+ /* if (data & 0x20) enable WHISTLE sound */
+
+ /* D6 is not connected on this cabinet type */
+ }
+ else
+ {
+ /* D5 is not connected on this cabinet type */
+
+ /* if (data & 0x40) enable WHISTLE sound */
+ }
+
+ coin_counter_w(machine(), 0, (data >> 7) & 0x01);
+}
+
+
+
+/*************************************
+ *
+ * 280 ZZZAP / Laguna Racer
+ *
+ *************************************/
+
+MACHINE_CONFIG_FRAGMENT( zzzap_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::zzzap_audio_1_w)
+{
+ /* set ENGINE SOUND FREQ(data & 0x0f) the value written is
+ the gas pedal position */
+
+ /* if (data & 0x10) enable HI SHIFT engine sound modifier */
+
+ /* if (data & 0x20) enable LO SHIFT engine sound modifier */
+
+ /* D6 and D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::zzzap_audio_2_w)
+{
+ /* if (data & 0x01) enable BOOM sound */
+
+ /* if (data & 0x02) enable ENGINE sound (global) */
+
+ /* if (data & 0x04) enable CR 1 (screeching sound) */
+
+ /* if (data & 0x08) enable NOISE CR 2 (happens only after the car blows up, but
+ before it appears again, not sure what
+ it is supposed to sound like) */
+
+ coin_counter_w(machine(), 0, (data >> 5) & 0x01);
+
+ /* D4, D6 and D7 are not connected */
+}
+
+
+
+/*************************************
+ *
+ * Amazing Maze
+ *
+ * Discrete sound emulation: Feb 2007, D.R.
+ *
+ *************************************/
+
+/* nodes - inputs */
+#define MAZE_P1_DATA NODE_01
+#define MAZE_P2_DATA NODE_02
+#define MAZE_TONE_TIMING NODE_03
+#define MAZE_COIN NODE_04
+
+/* nodes - other */
+#define MAZE_JOYSTICK_IN_USE NODE_11
+#define MAZE_AUDIO_ENABLE NODE_12
+#define MAZE_TONE_ENABLE NODE_13
+#define MAZE_GAME_OVER NODE_14
+#define MAZE_R305_306_308 NODE_15
+#define MAZE_R303_309 NODE_16
+#define MAZE_PLAYER_SEL NODE_17
+
+/* nodes - sounds */
+#define MAZE_SND NODE_18
+
+
+static const discrete_555_desc maze_555_F2 =
+{
+ DISC_555_OUT_SQW | DISC_555_OUT_DC | DISC_555_TRIGGER_IS_LOGIC | DISC_555_TRIGGER_DISCHARGES_CAP,
+ 5, /* B+ voltage of 555 */
+ DEFAULT_555_VALUES
+};
+
+
+static const double maze_74147_table[] =
+{
+ 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 1, 1, 2, 3
+};
+
+
+static const discrete_comp_adder_table maze_r305_306_308 =
+{
+ DISC_COMP_P_RESISTOR, /* type of circuit */
+ RES_K(100), /* R308 */
+ 2, /* length */
+ { RES_M(1.5), /* R304 */
+ RES_K(820) } /* R304 */
+};
+
+
+static const discrete_comp_adder_table maze_r303_309 =
+{
+ DISC_COMP_P_RESISTOR, /* type of circuit */
+ RES_K(330), /* R309 */
+ 1, /* length */
+ { RES_M(1) } /* R303 */
+};
+
+
+static const discrete_op_amp_osc_info maze_op_amp_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW, /* type */
+ RES_M(1), /* R306 */
+ RES_K(430), /* R307 */
+ MAZE_R305_306_308, /* R304, R305, R308 switchable circuit */
+ MAZE_R303_309, /* R303, R309 switchable circuit */
+ RES_K(330), /* R310 */
+ 0, 0, 0, /* not used */
+ CAP_P(3300), /* C300 */
+ 5 /* vP */
+};
+
+
+static DISCRETE_SOUND_START(maze)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUT_DATA (MAZE_P1_DATA)
+ DISCRETE_INPUT_DATA (MAZE_P2_DATA)
+ DISCRETE_INPUT_LOGIC(MAZE_TONE_TIMING)
+ DISCRETE_INPUT_LOGIC(MAZE_COIN)
+ DISCRETE_INPUT_LOGIC(MAZE_JOYSTICK_IN_USE) /* IC D2, pin 8 */
+
+ /* The following circuits control when audio is heard. */
+ /* Basically there is sound for 30s after a coin is inserted. */
+ /* This time is extended whenever a control is pressed. */
+ /* After the 30s has expired, there is no sound until the next coin is inserted. */
+ /* There is also sound for the first 30s after power up even without a coin. */
+ DISCRETE_LOGIC_INVERT(NODE_20, /* IC E2, pin 8 */
+ MAZE_JOYSTICK_IN_USE) /* IN0 */
+ DISCRETE_555_MSTABLE(MAZE_GAME_OVER, /* IC F2, pin 3 */
+ 1, /* RESET */
+ NODE_20, /* TRIG */
+ RES_K(270), /* R203 */
+ CAP_U(100), /* C204 */
+ &maze_555_F2)
+ DISCRETE_LOGIC_JKFLIPFLOP(MAZE_AUDIO_ENABLE,/* IC F1, pin 5 */
+ MAZE_COIN, /* RESET */
+ 1, /* SET */
+ MAZE_GAME_OVER, /* CLK */
+ 1, /* J */
+ 0) /* K */
+ DISCRETE_LOGIC_INVERT(MAZE_TONE_ENABLE, /* IC F1, pin 6 */
+ MAZE_AUDIO_ENABLE) /* IN0 */
+ DISCRETE_LOGIC_AND3(NODE_21,
+ MAZE_JOYSTICK_IN_USE, /* INP0 */
+ MAZE_TONE_ENABLE, /* INP1 */
+ MAZE_TONE_TIMING) /* INP2 */
+
+ /* The following circuits use the control info to generate a tone. */
+ DISCRETE_LOGIC_JKFLIPFLOP(MAZE_PLAYER_SEL, /* IC C1, pin 3 */
+ 1, /* RESET */
+ 1, /* SET */
+ MAZE_TONE_TIMING, /* CLK */
+ 1, /* J */
+ 1) /* K */
+ DISCRETE_MULTIPLEX2(NODE_31, /* IC D1 */
+ MAZE_PLAYER_SEL, /* ADDR */
+ MAZE_P1_DATA, /* INP0 */
+ MAZE_P2_DATA) /* INP1 */
+ DISCRETE_LOOKUP_TABLE(NODE_32, /* IC E1 */
+ NODE_31, /* ADDR */
+ 16, /* SIZE */
+ &maze_74147_table)
+ DISCRETE_COMP_ADDER(MAZE_R305_306_308, /* value of selected parallel circuit R305, R306, R308 */
+ NODE_32, /* DATA */
+ &maze_r305_306_308)
+ DISCRETE_COMP_ADDER(MAZE_R303_309, /* value of selected parallel circuit R303, R309 */
+ MAZE_PLAYER_SEL, /* DATA */
+ &maze_r303_309)
+ DISCRETE_OP_AMP_OSCILLATOR(NODE_36, /* IC J1, pin 4 */
+ 1, /* ENAB */
+ &maze_op_amp_osc)
+
+ /* The following circuits remove DC poping noises when the tone is switched in/out. */
+ DISCRETE_CRFILTER_VREF(NODE_40,
+ NODE_36, /* IN0 */
+ RES_K(250), /* R311, R312, R402, R403 in parallel */
+ CAP_U(0.1), /* c301 */
+ 2.5) /* center voltage of R311, R312 */
+ DISCRETE_SWITCH(NODE_41, /* IC H3, pin 10 */
+ 1, /* ENAB */
+ NODE_21, /* switch */
+ 2.5, /* INP0 - center voltage of R402, R403 */
+ NODE_40) /* INP1 */
+ DISCRETE_CRFILTER(NODE_42,
+ NODE_41, /* IN0 */
+ RES_K(56 + 390), /* R404 + R405 */
+ CAP_P(0.01) ) /* C401 */
+ DISCRETE_RCFILTER(NODE_43,
+ NODE_42, /* IN0 */
+ RES_K(56), /* R404 */
+ CAP_P(4700) ) /* C400 */
+ DISCRETE_SWITCH(MAZE_SND, /* H3 saturates op-amp J3 when enabled, disabling audio */
+ 1, /* ENAB */
+ MAZE_AUDIO_ENABLE, /* SWITCH */
+ NODE_43, /* INP0 */
+ 0) /* INP1 */
+
+ DISCRETE_OUTPUT(MAZE_SND, 96200)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( maze_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(maze)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+
+void mw8080bw_state::maze_write_discrete(UINT8 maze_tone_timing_state)
+{
+ /* controls need to be active low */
+ int controls = ~ioport("IN0")->read() & 0xff;
+
+ address_space &space = machine().driver_data()->generic_space();
+ m_discrete->write(space, MAZE_TONE_TIMING, maze_tone_timing_state);
+ m_discrete->write(space, MAZE_P1_DATA, controls & 0x0f);
+ m_discrete->write(space, MAZE_P2_DATA, (controls >> 4) & 0x0f);
+ m_discrete->write(space, MAZE_JOYSTICK_IN_USE, controls != 0xff);
+
+ /* The coin line is connected directly to the discrete circuit. */
+ /* We can't really do that, so updating it with the tone timing is close enough. */
+ /* A better option might be to update it at vblank or set a timer to do it. */
+ /* The only noticeable difference doing it here, is that the controls don't */
+ /* immediately start making tones if pressed right after the coin is inserted. */
+ m_discrete->write(space, MAZE_COIN, (~ioport("IN1")->read() >> 3) & 0x01);
+}
+
+
+
+/*************************************
+ *
+ * Boot Hill
+ *
+ * Discrete sound emulation: Jan 2007, D.R.
+ *
+ *************************************/
+
+/* nodes - inputs */
+#define BOOTHILL_GAME_ON_EN NODE_01
+#define BOOTHILL_LEFT_SHOT_EN NODE_02
+#define BOOTHILL_RIGHT_SHOT_EN NODE_03
+#define BOOTHILL_LEFT_HIT_EN NODE_04
+#define BOOTHILL_RIGHT_HIT_EN NODE_05
+
+/* nodes - sounds */
+#define BOOTHILL_NOISE NODE_06
+#define BOOTHILL_L_SHOT_SND NODE_07
+#define BOOTHILL_R_SHOT_SND NODE_08
+#define BOOTHILL_L_HIT_SND NODE_09
+#define BOOTHILL_R_HIT_SND NODE_10
+
+/* nodes - adjusters */
+#define BOOTHILL_MUSIC_ADJ NODE_11
+
+
+static const discrete_op_amp_tvca_info boothill_tone_tvca_info =
+{
+ RES_M(3.3),
+ RES_K(100) + RES_K(680),
+ 0,
+ RES_K(680),
+ RES_K(10),
+ 0,
+ RES_K(680),
+ 0,
+ 0,
+ 0,
+ 0,
+ CAP_U(.001),
+ 0,
+ 0, 0,
+ 12,
+ 0,
+ 0,
+ 12,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG1,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+static const discrete_op_amp_tvca_info boothill_shot_tvca_info =
+{
+ RES_M(2.7),
+ RES_K(510),
+ 0,
+ RES_K(510),
+ RES_K(10),
+ 0,
+ RES_K(510),
+ 0,
+ 0,
+ 0,
+ 0,
+ CAP_U(0.22),
+ 0,
+ 0, 0,
+ 12,
+ 0,
+ 0,
+ 12,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+static const discrete_op_amp_tvca_info boothill_hit_tvca_info =
+{
+ RES_M(2.7),
+ RES_K(510),
+ 0,
+ RES_K(510),
+ RES_K(10),
+ 0,
+ RES_K(510),
+ 0,
+ 0,
+ 0,
+ 0, 0,
+ CAP_U(1),
+ 0,
+ 0,
+ 12,
+ 0,
+ 0,
+ 12,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+static const discrete_mixer_desc boothill_l_mixer =
+{
+ DISC_MIXER_IS_OP_AMP,
+ { RES_K(12) + RES_K(68) + RES_K(33),
+ RES_K(12) + RES_K(100) + RES_K(33) },
+ { 0 },
+ { 0 },
+ 0,
+ RES_K(100),
+ 0,
+ CAP_U(0.1),
+ 0,
+ 7200 /* final gain */
+};
+
+
+static const discrete_mixer_desc boothill_r_mixer =
+{
+ DISC_MIXER_IS_OP_AMP,
+ { RES_K(12) + RES_K(68) + RES_K(33),
+ RES_K(12) + RES_K(100) + RES_K(33),
+ RES_K(33) },
+ { 0,
+ 0,
+ BOOTHILL_MUSIC_ADJ },
+ { 0 },
+ 0,
+ RES_K(100),
+ 0,
+ CAP_U(0.1),
+ 0,
+ 7200 /* final gain */
+};
+
+
+static DISCRETE_SOUND_START(boothill)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUT_LOGIC(BOOTHILL_GAME_ON_EN)
+ DISCRETE_INPUT_LOGIC(BOOTHILL_LEFT_SHOT_EN)
+ DISCRETE_INPUT_LOGIC(BOOTHILL_RIGHT_SHOT_EN)
+ DISCRETE_INPUT_LOGIC(BOOTHILL_LEFT_HIT_EN)
+ DISCRETE_INPUT_LOGIC(BOOTHILL_RIGHT_HIT_EN)
+
+ /* The low value of the pot is set to 75000. A real 1M pot will never go to 0 anyways.
+ This will give the control more apparent volume range.
+ The music way overpowers the rest of the sounds anyways. */
+ DISCRETE_ADJUSTMENT(BOOTHILL_MUSIC_ADJ, RES_M(1), 75000, DISC_LOGADJ, "MUSIC_ADJ")
+
+ /************************************************
+ * Tone generator
+ ************************************************/
+ MIDWAY_TONE_GENERATOR(boothill_tone_tvca_info)
+
+ /************************************************
+ * Shot sounds
+ ************************************************/
+ /* Noise clock was breadboarded and measured at 7700Hz */
+ DISCRETE_LFSR_NOISE(BOOTHILL_NOISE, 1, 1, 7700, 12.0, 0, 12.0/2, &midway_lfsr)
+
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_30, BOOTHILL_LEFT_SHOT_EN, 0, 0, BOOTHILL_NOISE, 0, &boothill_shot_tvca_info)
+ DISCRETE_RCFILTER(NODE_31, NODE_30, RES_K(12), CAP_U(.01))
+ DISCRETE_RCFILTER(BOOTHILL_L_SHOT_SND, NODE_31, RES_K(12) + RES_K(68), CAP_U(.0022))
+
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_35, BOOTHILL_RIGHT_SHOT_EN, 0, 0, BOOTHILL_NOISE, 0, &boothill_shot_tvca_info)
+ DISCRETE_RCFILTER(NODE_36, NODE_35, RES_K(12), CAP_U(.01))
+ DISCRETE_RCFILTER(BOOTHILL_R_SHOT_SND, NODE_36, RES_K(12) + RES_K(68), CAP_U(.0033))
+
+ /************************************************
+ * Hit sounds
+ ************************************************/
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_40, BOOTHILL_LEFT_HIT_EN, 0, 0, BOOTHILL_NOISE, 0, &boothill_hit_tvca_info)
+ DISCRETE_RCFILTER(NODE_41, NODE_40, RES_K(12), CAP_U(.033))
+ DISCRETE_RCFILTER(BOOTHILL_L_HIT_SND, NODE_41, RES_K(12) + RES_K(100), CAP_U(.0033))
+
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_45, BOOTHILL_RIGHT_HIT_EN, 0, 0, BOOTHILL_NOISE, 0, &boothill_hit_tvca_info)
+ DISCRETE_RCFILTER(NODE_46, NODE_45, RES_K(12), CAP_U(.0033))
+ DISCRETE_RCFILTER(BOOTHILL_R_HIT_SND, NODE_46, RES_K(12) + RES_K(100), CAP_U(.0022))
+
+ /************************************************
+ * Combine all sound sources.
+ ************************************************/
+ /* There is a 1uF cap on the input to the amp that I was too lazy to simulate.
+ * It is just a DC blocking cap needed by the Norton amp. Doing the extra
+ * work to simulate it is not going to make a difference to the waveform
+ * or to how it sounds. Also I use a regular amp in place of the Norton
+ * for the same reasons. Ease of coding/simulation. */
+
+ /* The schematics show the Hit sounds as shown.
+ * This makes the death of the enemy sound on the players side.
+ * This should be verified. */
+
+ DISCRETE_MIXER2(NODE_91, BOOTHILL_GAME_ON_EN, BOOTHILL_L_SHOT_SND, BOOTHILL_L_HIT_SND, &boothill_l_mixer)
+
+ /* Music is only added to the right channel per schematics */
+ /* This should be verified on the real game */
+ DISCRETE_MIXER3(NODE_92, BOOTHILL_GAME_ON_EN, BOOTHILL_R_SHOT_SND, BOOTHILL_R_HIT_SND, MIDWAY_TONE_SND, &boothill_r_mixer)
+
+ DISCRETE_OUTPUT(NODE_91, 1)
+ DISCRETE_OUTPUT(NODE_92, 1)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( boothill_audio )
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(boothill)
+ MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::boothill_audio_w)
+{
+ /* D0 and D1 are not connected */
+
+ coin_counter_w(machine(), 0, (data >> 2) & 0x01);
+
+ m_discrete->write(space, BOOTHILL_GAME_ON_EN, (data >> 3) & 0x01);
+
+ m_discrete->write(space, BOOTHILL_LEFT_SHOT_EN, (data >> 4) & 0x01);
+
+ m_discrete->write(space, BOOTHILL_RIGHT_SHOT_EN, (data >> 5) & 0x01);
+
+ m_discrete->write(space, BOOTHILL_LEFT_HIT_EN, (data >> 6) & 0x01);
+
+ m_discrete->write(space, BOOTHILL_RIGHT_HIT_EN, (data >> 7) & 0x01);
+}
+
+
+
+/*************************************
+ *
+ * Checkmate
+ *
+ *************************************/
+
+/* nodes - inputs */
+#define CHECKMAT_BOOM_EN NODE_01
+#define CHECKMAT_TONE_EN NODE_02
+#define CHECKMAT_TONE_DATA_45 NODE_03
+#define CHECKMAT_TONE_DATA_67 NODE_04
+
+/* nodes - other */
+#define CHECKMAT_R401_402_400 NODE_06
+#define CHECKMAT_R407_406_410 NODE_07
+
+/* nodes - sounds */
+#define CHECKMAT_BOOM_SND NODE_10
+#define CHECKMAT_TONE_SND NODE_11
+#define CHECKMAT_FINAL_SND NODE_12
+
+/* nodes - adjusters */
+#define CHECKMAT_R309 NODE_15
+#define CHECKMAT_R411 NODE_16
+
+
+static const discrete_comp_adder_table checkmat_r401_402_400 =
+{
+ DISC_COMP_P_RESISTOR, /* type of circuit */
+ RES_K(100), /* R401 */
+ 2, /* length */
+ { RES_M(1.5), /* R402 */
+ RES_K(820) } /* R400 */
+};
+
+
+static const discrete_comp_adder_table checkmat_r407_406_410 =
+{
+ DISC_COMP_P_RESISTOR, /* type of circuit */
+ RES_K(330), /* R407 */
+ 2, /* length */
+ { RES_M(1), /* R406 */
+ RES_K(510) } /* R410 */
+};
+
+
+static const discrete_op_amp_osc_info checkmat_op_amp_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW, /* type */
+ RES_M(1), /* R403 */
+ RES_K(430), /* R405 */
+ CHECKMAT_R401_402_400, /* R401, R402, R400 switchable circuit */
+ CHECKMAT_R407_406_410, /* R407, R406, R410 switchable circuit */
+ RES_K(330), /* R404 */
+ 0, 0, 0, /* not used */
+ CAP_P(3300), /* C400 */
+ 5 /* vP */
+};
+
+
+static const discrete_op_amp_tvca_info checkmat_op_amp_tvca =
+{
+ RES_M(1.2), /* R302 */
+ RES_M(1), /* R305 */
+ 0, /* r3 - not used */
+ RES_M(1.2), /* R304 */
+ RES_K(1), /* M4 */
+ 0, /* r6 - not used */
+ RES_M(1), /* R303 */
+ 0, /* r8 - not used */
+ 0, /* r9 - not used */
+ 0, /* r10 - not used */
+ 0, /* r11 - not used */
+ CAP_U(1), /* C300 */
+ 0, /* c2 - not used */
+ 0, 0, /* c3, c4 - not used */
+ 5, /* v1 */
+ 0, /* v2 */
+ 0, /* v3 */
+ 5, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* f0 - not used */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* f1 - not used */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, /* f2 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* f3 - not used */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* f4 - not used */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* f5 - not used */
+};
+
+
+static const discrete_mixer_desc checkmat_mixer =
+{
+ DISC_MIXER_IS_OP_AMP, /* type */
+ { RES_K(100), /* R308 - VERIFY - can't read schematic */
+ RES_K(56 + 47) }, /* R412 + R408 */
+ { CHECKMAT_R309, /* R309 */
+ CHECKMAT_R411}, /* R411 */
+ { CAP_U(10), /* C305 */
+ CAP_U(0.01) }, /* C401 */
+ 0, /* rI - not used */
+ RES_K(100), /* R507 */
+ 0, /* cF - not used */
+ CAP_U(1), /* C505 */
+ 0, /* vRef - GND */
+ 1 /* gain */
+};
+
+static DISCRETE_SOUND_START(checkmat)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUT_LOGIC(CHECKMAT_BOOM_EN)
+ DISCRETE_INPUT_LOGIC(CHECKMAT_TONE_EN)
+ DISCRETE_INPUT_DATA (CHECKMAT_TONE_DATA_45)
+ DISCRETE_INPUT_DATA (CHECKMAT_TONE_DATA_67)
+
+ /* The low value of the resistors are tweaked to give a good volume range. */
+ /* This is needed because the original controls are infinite, but the UI only gives 100 steps. */
+ /* Also real variable resistors never hit 0 ohms. There is always some resistance. */
+ /* R309 mostly just increases the Boom clipping, making it sound bassier. */
+ DISCRETE_ADJUSTMENT(CHECKMAT_R309, RES_K(100), 1000, DISC_LOGADJ, "R309")
+ DISCRETE_ADJUSTMENT(CHECKMAT_R411, RES_M(1), 1000, DISC_LOGADJ, "R411")
+
+ /************************************************
+ * Boom Sound
+ *
+ * The zener diode noise source is hard to
+ * emulate. Guess for now.
+ ************************************************/
+ /* FIX - find noise freq and amplitude */
+ DISCRETE_NOISE(NODE_20,
+ 1, /* ENAB */
+ 1500, /* FREQ */
+ 2, /* AMP */
+ 0) /* BIAS */
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_21,
+ CHECKMAT_BOOM_EN, /* TRG0 */
+ 0, /* TRG1 - not used */
+ 0, /* TRG2 - not used */
+ NODE_20, /* IN0 */
+ 0, /* IN1 - not used */
+ &checkmat_op_amp_tvca)
+ /* The next 5 modules emulate the filter. */
+ DISCRETE_FILTER2(NODE_23,
+ 1, /* ENAB */
+ NODE_21, /* INP0 */
+ 35, /* FREQ */
+ 1.0 / 8, /* DAMP */
+ DISC_FILTER_BANDPASS)
+ DISCRETE_GAIN(NODE_24,
+ NODE_23, /* IN0 */
+ 15) /* GAIN */
+ DISCRETE_CLAMP(CHECKMAT_BOOM_SND, /* IC Q2/3, pin 10 */
+ NODE_24, /* IN0 */
+ 0 - 6, /* MIN */
+ 12.0 - OP_AMP_NORTON_VBE -6)/* MAX */
+
+ /************************************************
+ * Tone generator
+ ************************************************/
+ DISCRETE_COMP_ADDER(CHECKMAT_R401_402_400, /* value of selected parallel circuit R401, R402, R400 */
+ CHECKMAT_TONE_DATA_45, /* DATA */
+ &checkmat_r401_402_400)
+ DISCRETE_COMP_ADDER(CHECKMAT_R407_406_410, /* value of selected parallel circuit R407, R406, R410 */
+ CHECKMAT_TONE_DATA_67, /* DATA */
+ &checkmat_r407_406_410)
+ DISCRETE_OP_AMP_OSCILLATOR(NODE_30, /* IC N3/4, pin 4 */
+ 1, /* ENAB */
+ &checkmat_op_amp_osc)
+
+ /* The following circuits remove DC poping noises when the tone is switched in/out. */
+ DISCRETE_CRFILTER_VREF(NODE_31,
+ NODE_30, /* IN0 */
+ RES_K(250), /* R409, R415, R414, R413 in parallel */
+ CAP_U(0.1), /* c401 */
+ 2.5) /* center voltage of R409, R415 */
+ DISCRETE_SWITCH(NODE_32, /* IC R3/4, pin 9 */
+ 1, /* ENAB */
+ CHECKMAT_TONE_EN, /* switch */
+ 2.5, /* INP0 - center voltage of R413, R414 */
+ NODE_31) /* INP1 */
+ DISCRETE_CRFILTER(NODE_33,
+ NODE_32, /* IN0 */
+ RES_K(56 + 47 + 200), /* R412 + R408 + part of R411 */
+ CAP_P(0.01) ) /* C404 */
+ DISCRETE_RCFILTER(CHECKMAT_TONE_SND,
+ NODE_33, /* IN0 */
+ RES_K(56), /* R412 */
+ CAP_P(4700) ) /* C403 */
+
+ /************************************************
+ * Final mix and output
+ ************************************************/
+ DISCRETE_MIXER2(CHECKMAT_FINAL_SND,
+ 1, /* ENAB */
+ CHECKMAT_BOOM_SND, /* IN0 */
+ CHECKMAT_TONE_SND, /* IN1 */
+ &checkmat_mixer)
+ DISCRETE_OUTPUT(CHECKMAT_FINAL_SND, 300000)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( checkmat_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(checkmat)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.4)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::checkmat_audio_w)
+{
+ m_discrete->write(space, CHECKMAT_TONE_EN, data & 0x01);
+
+ m_discrete->write(space, CHECKMAT_BOOM_EN, (data >> 1) & 0x01);
+
+ coin_counter_w(machine(), 0, (data >> 2) & 0x01);
+
+ machine().sound().system_enable((data >> 3) & 0x01);
+
+ m_discrete->write(space, CHECKMAT_TONE_DATA_45, (data >> 4) & 0x03);
+ m_discrete->write(space, CHECKMAT_TONE_DATA_67, (data >> 6) & 0x03);
+}
+
+
+
+/*************************************
+ *
+ * Desert Gun
+ *
+ * Discrete sound emulation: Jan 2007, D.R.
+ *
+ *************************************/
+
+/* nodes - inputs */
+#define DESERTGU_GAME_ON_EN NODE_01
+#define DESERTGU_RIFLE_SHOT_EN NODE_02
+#define DESERTGU_BOTTLE_HIT_EN NODE_03
+#define DESERTGU_ROAD_RUNNER_HIT_EN NODE_04
+#define DESERTGU_CREATURE_HIT_EN NODE_05
+#define DESERTGU_ROADRUNNER_BEEP_BEEP_EN NODE_06
+#define DESERTGU_TRIGGER_CLICK_EN NODE_07
+
+/* nodes - sounds */
+#define DESERTGU_NOISE NODE_08
+#define DESERTGU_RIFLE_SHOT_SND NODE_09
+#define DESERTGU_BOTTLE_HIT_SND NODE_10
+#define DESERTGU_ROAD_RUNNER_HIT_SND NODE_11
+#define DESERTGU_CREATURE_HIT_SND NODE_12
+#define DESERTGU_ROADRUNNER_BEEP_BEEP_SND NODE_13
+#define DESERTGU_TRIGGER_CLICK_SND DESERTGU_TRIGGER_CLICK_EN
+
+/* nodes - adjusters */
+#define DESERTGU_MUSIC_ADJ NODE_15
+
+
+static const discrete_op_amp_tvca_info desertgu_rifle_shot_tvca_info =
+{
+ RES_M(2.7),
+ RES_K(680),
+ 0,
+ RES_K(680),
+ RES_K(10),
+ 0,
+ RES_K(680),
+ 0,
+ 0,
+ 0,
+ 0,
+ CAP_U(0.47),
+ 0,
+ 0, 0,
+ 12, /* v1 */
+ 0, /* v2 */
+ 0, /* v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+static const discrete_mixer_desc desertgu_filter_mixer =
+{
+ DISC_MIXER_IS_RESISTOR,
+ { RES_K(2),
+ RES_K(27),
+ RES_K(2) + RES_K(1) },
+ { 0 },
+ { 0 },
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 1
+};
+
+
+static const discrete_op_amp_filt_info desertgu_filter =
+{
+ 1.0 / ( 1.0 / RES_K(2) + 1.0 / RES_K(27) + 1.0 / (RES_K(2) + RES_K(1))),
+ 0,
+ 68,
+ 0,
+ RES_K(39),
+ CAP_U(0.033),
+ CAP_U(0.033),
+ 0,
+ 0,
+ 12,
+ 0
+};
+
+
+static const discrete_mixer_desc desertgu_mixer =
+{
+ DISC_MIXER_IS_OP_AMP,
+ { RES_K(12) + RES_K(68) + RES_K(30),
+ RES_K(56),
+ RES_K(180),
+ RES_K(47),
+ RES_K(30) },
+ { 0,
+ 0,
+ 0,
+ 0,
+ DESERTGU_MUSIC_ADJ },
+ { CAP_U(0.1),
+ CAP_U(0.1),
+ CAP_U(0.1),
+ CAP_U(0.1),
+ CAP_U(0.1) },
+ 0,
+ RES_K(100),
+ 0,
+ CAP_U(0.1),
+ 0,
+ 6000 /* final gain */
+};
+
+
+static DISCRETE_SOUND_START(desertgu)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUT_LOGIC(DESERTGU_GAME_ON_EN)
+ DISCRETE_INPUT_LOGIC(DESERTGU_RIFLE_SHOT_EN)
+ DISCRETE_INPUT_LOGIC(DESERTGU_BOTTLE_HIT_EN)
+ DISCRETE_INPUT_LOGIC(DESERTGU_ROAD_RUNNER_HIT_EN)
+ DISCRETE_INPUT_LOGIC(DESERTGU_CREATURE_HIT_EN)
+ DISCRETE_INPUT_LOGIC(DESERTGU_ROADRUNNER_BEEP_BEEP_EN)
+ DISCRETE_INPUTX_LOGIC(DESERTGU_TRIGGER_CLICK_SND, 12, 0, 0)
+
+ /* The low value of the pot is set to 75000. A real 1M pot will never go to 0 anyways. */
+ /* This will give the control more apparent volume range. */
+ /* The music way overpowers the rest of the sounds anyways. */
+ DISCRETE_ADJUSTMENT(DESERTGU_MUSIC_ADJ, RES_M(1), 75000, DISC_LOGADJ, "MUSIC_ADJ")
+
+ /************************************************
+ * Tone generator
+ ************************************************/
+ MIDWAY_TONE_GENERATOR(midway_music_tvca_info)
+
+ /************************************************
+ * Rifle shot sound
+ ************************************************/
+ /* Noise clock was breadboarded and measured at 7515Hz */
+ DISCRETE_LFSR_NOISE(DESERTGU_NOISE, 1, 1, 7515, 12.0, 0, 12.0/2, &midway_lfsr)
+
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_30, DESERTGU_RIFLE_SHOT_EN, 0, 0, DESERTGU_NOISE, 0, &desertgu_rifle_shot_tvca_info)
+ DISCRETE_RCFILTER(NODE_31, NODE_30, RES_K(12), CAP_U(.01))
+ DISCRETE_CRFILTER(DESERTGU_RIFLE_SHOT_SND, NODE_31, RES_K(12) + RES_K(68), CAP_U(.0022))
+
+ /************************************************
+ * Bottle hit sound
+ ************************************************/
+ DISCRETE_CONSTANT(DESERTGU_BOTTLE_HIT_SND, 0) /* placeholder for incomplete sound */
+
+ /************************************************
+ * Road Runner hit sound
+ ************************************************/
+ DISCRETE_CONSTANT(DESERTGU_ROAD_RUNNER_HIT_SND, 0) /* placeholder for incomplete sound */
+
+ /************************************************
+ * Creature hit sound
+ ************************************************/
+ DISCRETE_CONSTANT(DESERTGU_CREATURE_HIT_SND, 0) /* placeholder for incomplete sound */
+
+ /************************************************
+ * Beep-Beep sound
+ ************************************************/
+ DISCRETE_CONSTANT(DESERTGU_ROADRUNNER_BEEP_BEEP_SND, 0) /* placeholder for incomplete sound */
+
+ /************************************************
+ * Mix and filter
+ ************************************************/
+ DISCRETE_MIXER3(NODE_80, 1, DESERTGU_BOTTLE_HIT_SND, DESERTGU_ROADRUNNER_BEEP_BEEP_SND, DESERTGU_TRIGGER_CLICK_SND, &desertgu_filter_mixer)
+ DISCRETE_OP_AMP_FILTER(NODE_81, 1, NODE_80, 0, DISC_OP_AMP_FILTER_IS_BAND_PASS_1, &desertgu_filter)
+
+ /************************************************
+ * Combine all sound sources.
+ ************************************************/
+ DISCRETE_MIXER5(NODE_91, DESERTGU_GAME_ON_EN, DESERTGU_RIFLE_SHOT_SND, DESERTGU_ROAD_RUNNER_HIT_SND, DESERTGU_CREATURE_HIT_SND, NODE_81, MIDWAY_TONE_SND, &desertgu_mixer)
+
+ DISCRETE_OUTPUT(NODE_91, 1)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( desertgu_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(desertgu)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.8)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::desertgu_audio_1_w)
+{
+ /* D0 and D1 are not connected */
+
+ coin_counter_w(machine(), 0, (data >> 2) & 0x01);
+
+ m_discrete->write(space, DESERTGU_GAME_ON_EN, (data >> 3) & 0x01);
+
+ m_discrete->write(space, DESERTGU_RIFLE_SHOT_EN, (data >> 4) & 0x01);
+
+ m_discrete->write(space, DESERTGU_BOTTLE_HIT_EN, (data >> 5) & 0x01);
+
+ m_discrete->write(space, DESERTGU_ROAD_RUNNER_HIT_EN, (data >> 6) & 0x01);
+
+ m_discrete->write(space, DESERTGU_CREATURE_HIT_EN, (data >> 7) & 0x01);
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::desertgu_audio_2_w)
+{
+ m_discrete->write(space, DESERTGU_ROADRUNNER_BEEP_BEEP_EN, (data >> 0) & 0x01);
+
+ m_discrete->write(space, DESERTGU_TRIGGER_CLICK_EN, (data >> 1) & 0x01);
+
+ output_set_value("Player1_Gun_Recoil", (data >> 2) & 0x01);
+
+ m_desertgun_controller_select = (data >> 3) & 0x01;
+
+ /* D4-D7 are not connected */
+}
+
+
+
+/*************************************
+ *
+ * Double Play / Extra Inning
+ *
+ * Discrete sound emulation: Jan 2007, D.R.
+ *
+ *************************************/
+
+/* nodes - inputs */
+#define DPLAY_GAME_ON_EN NODE_01
+#define DPLAY_TONE_ON_EN NODE_02
+#define DPLAY_SIREN_EN NODE_03
+#define DPLAY_WHISTLE_EN NODE_04
+#define DPLAY_CHEER_EN NODE_05
+
+/* nodes - sounds */
+#define DPLAY_NOISE NODE_06
+#define DPLAY_TONE_SND NODE_07
+#define DPLAY_SIREN_SND NODE_08
+#define DPLAY_WHISTLE_SND NODE_09
+#define DPLAY_CHEER_SND NODE_10
+
+/* nodes - adjusters */
+#define DPLAY_MUSIC_ADJ NODE_11
+
+
+static const discrete_lfsr_desc dplay_lfsr =
+{
+ DISC_CLK_IS_FREQ,
+ 17, /* bit length */
+ /* the RC network fed into pin 4, has the effect
+ of presetting all bits high at power up */
+ 0x1ffff, /* reset value */
+ 4, /* use bit 4 as XOR input 0 */
+ 16, /* use bit 16 as XOR input 1 */
+ DISC_LFSR_XOR, /* feedback stage1 is XOR */
+ DISC_LFSR_OR, /* feedback stage2 is just stage 1 output OR with external feed */
+ DISC_LFSR_REPLACE, /* feedback stage3 replaces the shifted register contents */
+ 0x000001, /* everything is shifted into the first bit only */
+ 0, /* output is not inverted */
+ 8 /* output bit */
+};
+
+
+static const discrete_integrate_info dplay_siren_integrate_info =
+{
+ DISC_INTEGRATE_OP_AMP_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(1),
+ RES_K(100),
+ 0,
+ CAP_U(3.3),
+ 12,
+ 12,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+static const discrete_op_amp_osc_info dplay_siren_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_2 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW, /* type */
+ RES_K(390), /* r1 */
+ RES_M(5.6), /* r2 */
+ RES_M(1), /* r3 */
+ RES_M(1.5), /* r4 */
+ RES_M(3.3), /* r5 */
+ RES_K(56), /* r6 */
+ 0, /* no r7 */
+ 0, /* no r8 */
+ CAP_U(0.0022), /* c */
+ 12 /* vP */
+};
+
+static const discrete_integrate_info dplay_whistle_integrate_info =
+{
+ DISC_INTEGRATE_OP_AMP_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(1),
+ RES_K(220) + RES_K(10),
+ 0,
+ CAP_U(3.3),
+ 12,
+ 12,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+static const discrete_op_amp_osc_info dplay_whistle_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_2 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW, /* type */
+ RES_K(510), /* r1 */
+ RES_M(5.6), /* r2 */
+ RES_M(1), /* r3 */
+ RES_M(1.5), /* r4 */
+ RES_M(3.3), /* r5 */
+ RES_K(300), /* r6 */
+ 0, /* no r7 */
+ 0, /* no r8 */
+ CAP_P(220), /* c */
+ 12 /* vP */
+};
+
+
+static const discrete_integrate_info dplay_cheer_integrate_info =
+{
+ DISC_INTEGRATE_OP_AMP_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(1.5),
+ RES_K(100),
+ 0,
+ CAP_U(4.7),
+ 12,
+ 12,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+static const discrete_op_amp_filt_info dplay_cheer_filter =
+{
+ RES_K(100),
+ 0,
+ RES_K(100),
+ 0,
+ RES_K(150),
+ CAP_U(0.0047),
+ CAP_U(0.0047),
+ 0,
+ 0,
+ 12,
+ 0
+};
+
+
+static const discrete_mixer_desc dplay_mixer =
+{
+ DISC_MIXER_IS_OP_AMP,
+ { RES_K(68),
+ RES_K(68),
+ RES_K(68),
+ RES_K(18),
+ RES_K(68) },
+ { 0,
+ 0,
+ 0,
+ 0,
+ DPLAY_MUSIC_ADJ },
+ { CAP_U(0.1),
+ CAP_U(0.1),
+ CAP_U(0.1),
+ CAP_U(0.1),
+ CAP_U(0.1) }
+ , 0, RES_K(100), 0, CAP_U(0.1), 0,
+ 2000 /* final gain */
+};
+
+
+static DISCRETE_SOUND_START(dplay)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUT_LOGIC (DPLAY_GAME_ON_EN)
+ DISCRETE_INPUT_LOGIC (DPLAY_TONE_ON_EN)
+ DISCRETE_INPUTX_LOGIC(DPLAY_SIREN_EN, 5, 0, 0)
+ DISCRETE_INPUTX_LOGIC(DPLAY_WHISTLE_EN, 12, 0, 0)
+ DISCRETE_INPUTX_LOGIC(DPLAY_CHEER_EN, 5, 0, 0)
+
+ /* The low value of the pot is set to 1000. A real 1M pot will never go to 0 anyways. */
+ /* This will give the control more apparent volume range. */
+ /* The music way overpowers the rest of the sounds anyways. */
+ DISCRETE_ADJUSTMENT(DPLAY_MUSIC_ADJ, RES_M(1), 1000, DISC_LOGADJ, "MUSIC_ADJ")
+
+ /************************************************
+ * Music and Tone Generator
+ ************************************************/
+ MIDWAY_TONE_GENERATOR(midway_music_tvca_info)
+
+ DISCRETE_OP_AMP_TRIG_VCA(DPLAY_TONE_SND, MIDWAY_TONE_BEFORE_AMP_SND, DPLAY_TONE_ON_EN, 0, 12, 0, &midway_music_tvca_info)
+
+ /************************************************
+ * Siren
+ ************************************************/
+ DISCRETE_INTEGRATE(NODE_30,
+ DPLAY_SIREN_EN, /* TRG0 */
+ 0 , /* TRG1 */
+ &dplay_siren_integrate_info)
+ DISCRETE_OP_AMP_VCO1(DPLAY_SIREN_SND,
+ 1, /* ENAB */
+ NODE_30, /* VMOD1 */
+ &dplay_siren_osc)
+
+ /************************************************
+ * Whistle
+ ************************************************/
+ DISCRETE_INTEGRATE(NODE_40,
+ DPLAY_WHISTLE_EN, /* TRG0 */
+ 0 , /* TRG1 */
+ &dplay_whistle_integrate_info)
+ DISCRETE_OP_AMP_VCO1(DPLAY_WHISTLE_SND,
+ 1, /* ENAB */
+ NODE_40, /* VMOD1 */
+ &dplay_whistle_osc)
+
+ /************************************************ * Cheer
+ ************************************************/ /* Noise clock was
+ breadboarded and measured at 7700Hz */ DISCRETE_LFSR_NOISE(DPLAY_NOISE, 1,
+ 1, 7700, 12.0, 0, 12.0/2, &dplay_lfsr)
+
+ DISCRETE_INTEGRATE(NODE_50, DPLAY_CHEER_EN, 0, &dplay_cheer_integrate_info)
+ DISCRETE_SWITCH(NODE_51, 1, DPLAY_NOISE, 0, NODE_50)
+ DISCRETE_OP_AMP_FILTER(DPLAY_CHEER_SND, 1, NODE_51, 0, DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &dplay_cheer_filter)
+
+ /************************************************
+ * Combine all sound sources.
+ ************************************************/
+ DISCRETE_MIXER5(NODE_91, DPLAY_GAME_ON_EN, DPLAY_TONE_SND, DPLAY_SIREN_SND, DPLAY_WHISTLE_SND, DPLAY_CHEER_SND, MIDWAY_TONE_SND, &dplay_mixer)
+
+ DISCRETE_OUTPUT(NODE_91, 1)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( dplay_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(dplay)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.8)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::dplay_audio_w)
+{
+ m_discrete->write(space, DPLAY_TONE_ON_EN, (data >> 0) & 0x01);
+
+ m_discrete->write(space, DPLAY_CHEER_EN, (data >> 1) & 0x01);
+
+ m_discrete->write(space, DPLAY_SIREN_EN, (data >> 2) & 0x01);
+
+ m_discrete->write(space, DPLAY_WHISTLE_EN, (data >> 3) & 0x01);
+
+ m_discrete->write(space, DPLAY_GAME_ON_EN, (data >> 4) & 0x01);
+
+ coin_counter_w(machine(), 0, (data >> 5) & 0x01);
+
+ /* D6 and D7 are not connected */
+}
+
+
+
+/*************************************
+ *
+ * Guided Missile
+ *
+ *************************************/
+
+static const char *const gmissile_sample_names[] =
+{
+ "*gmissile",
+ "1", /* missle */
+ "2", /* explosion */
+ 0
+};
+
+MACHINE_CONFIG_FRAGMENT( gmissile_audio )
+ MCFG_SOUND_START_OVERRIDE(mw8080bw_state, samples)
+
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+
+ MCFG_SOUND_ADD("samples1", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(1)
+ MCFG_SAMPLES_NAMES(gmissile_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1.9)
+
+ MCFG_SOUND_ADD("samples2", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(1)
+ MCFG_SAMPLES_NAMES(gmissile_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1.9)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::gmissile_audio_1_w)
+{
+ /* note that the schematics shows the left and right explosions
+ reversed (D5=R, D7=L), but the software confirms that
+ ours is right */
+
+ UINT8 rising_bits = data & ~m_port_1_last;
+
+ /* D0 and D1 are not connected */
+
+ coin_counter_w(machine(), 0, (data >> 2) & 0x01);
+
+ machine().sound().system_enable((data >> 3) & 0x01);
+
+ /* if (data & 0x10) enable RIGHT MISSILE sound (goes to right speaker) */
+ if (rising_bits & 0x10) m_samples2->start(0, 0);
+
+ /* if (data & 0x20) enable LEFT EXPLOSION sound (goes to left speaker) */
+ output_set_value("L_EXP_LIGHT", (data >> 5) & 0x01);
+ if (rising_bits & 0x20) m_samples1->start(0, 1);
+
+ /* if (data & 0x40) enable LEFT MISSILE sound (goes to left speaker) */
+ if (rising_bits & 0x40) m_samples1->start(0, 0);
+
+ /* if (data & 0x80) enable RIGHT EXPLOSION sound (goes to right speaker) */
+ output_set_value("R_EXP_LIGHT", (data >> 7) & 0x01);
+ if (rising_bits & 0x80) m_samples2->start(0, 1);
+
+ m_port_1_last = data;
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::gmissile_audio_2_w)
+{
+ /* set AIRPLANE/COPTER/JET PAN(data & 0x07) */
+
+ /* set TANK PAN((data >> 3) & 0x07) */
+
+ /* D6 and D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::gmissile_audio_3_w)
+{
+ /* if (data & 0x01) enable AIRPLANE (bi-plane) sound (goes to AIRPLANE/COPTER/JET panning circuit) */
+
+ /* if (data & 0x02) enable TANK sound (goes to TANK panning circuit) */
+
+ /* if (data & 0x04) enable COPTER sound (goes to AIRPLANE/COPTER/JET panning circuit) */
+
+ /* D3 and D4 are not connected */
+
+ /* if (data & 0x20) enable JET (3 fighter jets) sound (goes to AIRPLANE/COPTER/JET panning circuit) */
+
+ /* D6 and D7 are not connected */
+}
+
+
+
+/*************************************
+ *
+ * M-4
+ *
+ *************************************/
+
+/* Noise clock was breadboarded and measured at 3760Hz */
+
+static const char *const m4_sample_names[] =
+{
+ "*m4",
+ "1", /* missle */
+ "2", /* explosion */
+ 0
+};
+
+
+MACHINE_CONFIG_FRAGMENT( m4_audio )
+ MCFG_SOUND_START_OVERRIDE(mw8080bw_state, samples)
+
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+
+ MCFG_SOUND_ADD("samples1", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(2)
+ MCFG_SAMPLES_NAMES(m4_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 1)
+
+ MCFG_SOUND_ADD("samples2", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(2)
+ MCFG_SAMPLES_NAMES(m4_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 1)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::m4_audio_1_w)
+{
+ UINT8 rising_bits = data & ~m_port_1_last;
+
+ /* D0 and D1 are not connected */
+
+ coin_counter_w(machine(), 0, (data >> 2) & 0x01);
+
+ machine().sound().system_enable((data >> 3) & 0x01);
+
+ /* if (data & 0x10) enable LEFT PLAYER SHOT sound (goes to left speaker) */
+ if (rising_bits & 0x10) m_samples1->start(0, 0);
+
+ /* if (data & 0x20) enable RIGHT PLAYER SHOT sound (goes to right speaker) */
+ if (rising_bits & 0x20) m_samples2->start(0, 0);
+
+ /* if (data & 0x40) enable LEFT PLAYER EXPLOSION sound via 300K res (goes to left speaker) */
+ if (rising_bits & 0x40) m_samples1->start(1, 1);
+
+ /* if (data & 0x80) enable RIGHT PLAYER EXPLOSION sound via 300K res (goes to right speaker) */
+ if (rising_bits & 0x80) m_samples2->start(1, 1);
+
+ m_port_1_last = data;
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::m4_audio_2_w)
+{
+ UINT8 rising_bits = data & ~m_port_2_last;
+
+ /* if (data & 0x01) enable LEFT PLAYER EXPLOSION sound via 510K res (goes to left speaker) */
+ if (rising_bits & 0x01) m_samples1->start(1, 1);
+
+ /* if (data & 0x02) enable RIGHT PLAYER EXPLOSION sound via 510K res (goes to right speaker) */
+ if (rising_bits & 0x02) m_samples2->start(1, 1);
+
+ /* if (data & 0x04) enable LEFT TANK MOTOR sound (goes to left speaker) */
+
+ /* if (data & 0x08) enable RIGHT TANK MOTOR sound (goes to right speaker) */
+
+ /* if (data & 0x10) enable sound that is playing while the right plane is
+ flying. Circuit not named on schematics (goes to left speaker) */
+
+ /* if (data & 0x20) enable sound that is playing while the left plane is
+ flying. Circuit not named on schematics (goes to right speaker) */
+
+ /* D6 and D7 are not connected */
+
+ m_port_2_last = data;
+}
+
+
+
+/*************************************
+ *
+ * Clowns
+ *
+ * Discrete sound emulation: Mar 2005, D.R.
+ *
+ *************************************/
+
+/* nodes - inputs */
+#define CLOWNS_POP_BOTTOM_EN NODE_01
+#define CLOWNS_POP_MIDDLE_EN NODE_02
+#define CLOWNS_POP_TOP_EN NODE_03
+#define CLOWNS_SPRINGBOARD_HIT_EN NODE_04
+#define CLOWNS_SPRINGBOARD_MISS_EN NODE_05
+
+/* nodes - sounds */
+#define CLOWNS_NOISE NODE_06
+#define CLOWNS_POP_SND NODE_07
+#define CLOWNS_SB_HIT_SND NODE_08
+#define CLOWNS_SB_MISS_SND NODE_09
+
+/* nodes - adjusters */
+#define CLOWNS_R507_POT NODE_11
+
+
+static const discrete_op_amp_tvca_info clowns_pop_tvca_info =
+{
+ RES_M(2.7), /* r304 */
+ RES_K(680), /* r303 */
+ 0,
+ RES_K(680), /* r305 */
+ RES_K(1), /* j3 */
+ 0,
+ RES_K(470), /* r300 */
+ RES_K(1), /* j3 */
+ RES_K(510), /* r301 */
+ RES_K(1), /* j3 */
+ RES_K(680), /* r302 */
+ CAP_U(.015), /* c300 */
+ CAP_U(.1), /* c301 */
+ CAP_U(.082), /* c302 */
+ 0, /* no c4 */
+ 5, /* v1 */
+ 5, /* v2 */
+ 5, /* v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG1,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG2
+};
+
+
+static const discrete_op_amp_osc_info clowns_sb_hit_osc_info =
+{
+ DISC_OP_AMP_OSCILLATOR_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW,
+ RES_K(820), /* r200 */
+ RES_K(33), /* r203 */
+ RES_K(150), /* r201 */
+ RES_K(240), /* r204 */
+ RES_M(1), /* r202 */
+ 0,
+ 0,
+ 0,
+ CAP_U(0.01), /* c200 */
+ 12
+};
+
+
+static const discrete_op_amp_tvca_info clowns_sb_hit_tvca_info =
+{
+ RES_M(2.7), /* r207 */
+ RES_K(680), /* r205 */
+ 0,
+ RES_K(680), /* r208 */
+ RES_K(1), /* j3 */
+ 0,
+ RES_K(680), /* r206 */
+ 0,0,0,0,
+ CAP_U(1), /* c201 */
+ 0,
+ 0, 0,
+ 5, /* v1 */
+ 0, /* v2 */
+ 0, /* v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+static const discrete_mixer_desc clowns_mixer =
+{
+ DISC_MIXER_IS_OP_AMP,
+ { RES_K(10),
+ RES_K(10),
+ RES_K(10) + 1.0 / (1.0 / RES_K(15) + 1.0 / RES_K(39)),
+ RES_K(1) },
+ { 0,
+ 0,
+ 0,
+ CLOWNS_R507_POT },
+ { 0,
+ CAP_U(0.022),
+ 0,
+ 0 },
+ 0,
+ RES_K(100),
+ 0,
+ CAP_U(1),
+ 0,
+ 1
+};
+
+
+static DISCRETE_SOUND_START(clowns)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUT_LOGIC(CLOWNS_POP_BOTTOM_EN)
+ DISCRETE_INPUT_LOGIC(CLOWNS_POP_MIDDLE_EN)
+ DISCRETE_INPUT_LOGIC(CLOWNS_POP_TOP_EN)
+ DISCRETE_INPUT_LOGIC(CLOWNS_SPRINGBOARD_HIT_EN)
+ DISCRETE_INPUT_LOGIC(CLOWNS_SPRINGBOARD_MISS_EN)
+
+ /* The low value of the pot is set to 7000. A real 1M pot will never go to 0 anyways. */
+ /* This will give the control more apparent volume range. */
+ /* The music way overpowers the rest of the sounds anyways. */
+ DISCRETE_ADJUSTMENT(CLOWNS_R507_POT, RES_M(1), 7000, DISC_LOGADJ, "R507")
+
+ /************************************************
+ * Tone generator
+ ************************************************/
+ MIDWAY_TONE_GENERATOR(midway_music_tvca_info)
+
+ /************************************************
+ * Balloon hit sounds
+ * The LFSR is the same as boothill
+ ************************************************/
+ /* Noise clock was breadboarded and measured at 7700Hz */
+ DISCRETE_LFSR_NOISE(CLOWNS_NOISE, 1, 1, 7700, 12.0, 0, 12.0/2, &midway_lfsr)
+
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_30, CLOWNS_POP_TOP_EN, CLOWNS_POP_MIDDLE_EN, CLOWNS_POP_BOTTOM_EN, CLOWNS_NOISE, 0, &clowns_pop_tvca_info)
+ DISCRETE_RCFILTER(NODE_31, NODE_30, RES_K(15), CAP_U(.01))
+ DISCRETE_CRFILTER(NODE_32, NODE_31, RES_K(15) + RES_K(39), CAP_U(.01))
+ DISCRETE_GAIN(CLOWNS_POP_SND, NODE_32, RES_K(39)/(RES_K(15) + RES_K(39)))
+
+ /************************************************
+ * Springboard hit
+ ************************************************/
+ DISCRETE_OP_AMP_OSCILLATOR(NODE_40, 1, &clowns_sb_hit_osc_info)
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_41, CLOWNS_SPRINGBOARD_HIT_EN, 0, 0, NODE_40, 0, &clowns_sb_hit_tvca_info)
+ /* The rest of the circuit is a filter. The frequency response was calculated with SPICE. */
+ DISCRETE_FILTER2(NODE_42, 1, NODE_41, 500, 1.0/.8, DISC_FILTER_LOWPASS)
+ /* The filter has a gain of 0.5 */
+ DISCRETE_GAIN(CLOWNS_SB_HIT_SND, NODE_42, 0.5)
+
+ /************************************************
+ * Springboard miss - INCOMPLETE
+ ************************************************/
+ DISCRETE_CONSTANT(CLOWNS_SB_MISS_SND, 0) /* Placeholder for incomplete sound */
+
+ /************************************************
+ * Combine all sound sources.
+ ************************************************/
+ DISCRETE_MIXER4(NODE_91, 1, CLOWNS_SB_HIT_SND, CLOWNS_SB_MISS_SND, CLOWNS_POP_SND, MIDWAY_TONE_SND, &clowns_mixer)
+
+ DISCRETE_OUTPUT(NODE_91, 11000)
+DISCRETE_SOUND_END
+
+
+static const char *const clowns_sample_names[] =
+{
+ "*clowns",
+ "miss",
+ 0
+};
+
+MACHINE_CONFIG_FRAGMENT( clowns_audio )
+ MCFG_SOUND_START_OVERRIDE(mw8080bw_state, samples)
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("samples", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(1)
+ MCFG_SAMPLES_NAMES(clowns_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.70)
+
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(clowns)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::clowns_audio_1_w)
+{
+ coin_counter_w(machine(), 0, (data >> 0) & 0x01);
+
+ m_clowns_controller_select = (data >> 1) & 0x01;
+
+ /* D2-D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::clowns_audio_2_w)
+{
+ UINT8 rising_bits = data & ~m_port_2_last;
+
+ m_discrete->write(space, CLOWNS_POP_BOTTOM_EN, (data >> 0) & 0x01);
+
+ m_discrete->write(space, CLOWNS_POP_MIDDLE_EN, (data >> 1) & 0x01);
+
+ m_discrete->write(space, CLOWNS_POP_TOP_EN, (data >> 2) & 0x01);
+
+ machine().sound().system_enable((data >> 3) & 0x01);
+
+ m_discrete->write(space, CLOWNS_SPRINGBOARD_HIT_EN, (data >> 4) & 0x01);
+
+ if (rising_bits & 0x20) m_samples->start(0, 0); /* springboard miss */
+
+ /* D6 and D7 are not connected */
+
+ m_port_2_last = data;
+}
+
+
+
+/*************************************
+ *
+ * Space Walk
+ *
+ * Discrete sound emulation: Oct 2009, D.R.
+ *
+ *************************************/
+
+ /* Discrete Sound Input Nodes */
+#define SPACWALK_TARGET_HIT_BOTTOM_EN NODE_01
+#define SPACWALK_TARGET_HIT_MIDDLE_EN NODE_02
+#define SPACWALK_TARGET_HIT_TOP_EN NODE_03
+#define SPACWALK_SPRINGBOARD_HIT1_EN NODE_04
+#define SPACWALK_SPRINGBOARD_HIT2_EN NODE_05
+#define SPACWALK_SPRINGBOARD_MISS_EN NODE_06
+#define SPACWALK_SPACE_SHIP_EN NODE_07
+
+/* Discrete Sound Output Nodes */
+#define SPACWALK_NOISE NODE_10
+#define SPACWALK_TARGET_HIT_SND NODE_11
+#define SPACWALK_SPRINGBOARD_HIT1_SND NODE_12
+#define SPACWALK_SPRINGBOARD_HIT2_SND NODE_13
+#define SPACWALK_SPRINGBOARD_MISS_SND NODE_14
+#define SPACWALK_SPACE_SHIP_SND NODE_15
+
+/* Adjusters */
+#define SPACWALK_R507_POT NODE_19
+
+/* Parts List - Resistors */
+#define SPACWALK_R200 RES_K(820)
+#define SPACWALK_R201 RES_K(150)
+#define SPACWALK_R202 RES_M(1)
+#define SPACWALK_R203 RES_K(82)
+#define SPACWALK_R204 RES_K(240)
+#define SPACWALK_R205 RES_K(220)
+#define SPACWALK_R206 RES_K(120)
+#define SPACWALK_R207 RES_M(1)
+#define SPACWALK_R208 RES_K(300)
+#define SPACWALK_R210 RES_K(56)
+#define SPACWALK_R211 RES_K(100)
+#define SPACWALK_R213 RES_K(300)
+#define SPACWALK_R214 RES_K(27)
+#define SPACWALK_R215 RES_K(51)
+#define SPACWALK_R216 RES_K(30)
+#define SPACWALK_R300 RES_K(270)
+#define SPACWALK_R301 RES_K(300)
+#define SPACWALK_R302 RES_K(330)
+#define SPACWALK_R303 RES_K(680)
+#define SPACWALK_R304 RES_M(1)
+#define SPACWALK_R305 RES_K(3680)
+#define SPACWALK_R307 RES_K(20)
+#define SPACWALK_R308 RES_K(20) /* not labeled but it's beside R307 */
+#define SPACWALK_R400 RES_K(1)
+#define SPACWALK_R401 RES_K(200)
+#define SPACWALK_R403 RES_K(51)
+#define SPACWALK_R404 RES_K(220)
+#define SPACWALK_R406 RES_M(1)
+#define SPACWALK_R407 RES_K(820)
+#define SPACWALK_R410 RES_K(47)
+#define SPACWALK_R411 RES_K(300)
+#define SPACWALK_R412 RES_K(330)
+#define SPACWALK_R413 RES_M(1)
+#define SPACWALK_R414 RES_M(1)
+#define SPACWALK_R416 RES_M(4.7)
+#define SPACWALK_R417 RES_K(10)
+#define SPACWALK_R418 RES_K(100)
+#define SPACWALK_R419 RES_K(2.7)
+#define SPACWALK_R420 RES_K(20)
+#define SPACWALK_R421 RES_K(11)
+#define SPACWALK_R422 RES_K(75)
+#define SPACWALK_R507 RES_M(1)
+#define SPACWALK_RJ3 RES_K(1)
+
+/* Parts List - Capacitors */
+#define SPACWALK_C200 CAP_U(0.0022)
+#define SPACWALK_C201 CAP_U(3.3)
+#define SPACWALK_C203 CAP_U(0.0033)
+#define SPACWALK_C204 CAP_U(0.0033)
+#define SPACWALK_C300 CAP_U(2.2)
+#define SPACWALK_C301 CAP_U(2.2)
+#define SPACWALK_C302 CAP_U(2.2)
+#define SPACWALK_C303 CAP_U(0.0047)
+#define SPACWALK_C304 CAP_U(0.0047) /* not labeled but it's beside C303 */
+#define SPACWALK_C401 CAP_U(1)
+#define SPACWALK_C402 CAP_U(0.68)
+#define SPACWALK_C403 CAP_U(0.0022)
+#define SPACWALK_C451 CAP_U(0.001)
+#define SPACWALK_C452 CAP_U(0.001)
+#define SPACWALK_C453 CAP_U(0.001)
+#define SPACWALK_C602 CAP_U(1)
+
+
+static const discrete_op_amp_tvca_info spacwalk_hit_tvca_info =
+{
+ SPACWALK_R304, SPACWALK_R303, 0, SPACWALK_R305, /* r1, r2, r3, r4 */
+ SPACWALK_RJ3, 0, SPACWALK_R300, /* r5, r6, r7 */
+ SPACWALK_RJ3, SPACWALK_R301, /* r8, r9 */
+ SPACWALK_RJ3, SPACWALK_R302, /* r10, r11 */
+ SPACWALK_C300, SPACWALK_C301, SPACWALK_C302, 0, /* c1, c2, c3, c4 */
+ 5, 5, 5, 12, /* v1, v2, v3, vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG1,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG2
+};
+
+static const discrete_op_amp_osc_info spacwalk_sb_hit_vco =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_3 | DISC_OP_AMP_IS_NORTON,
+ RES_K(330 + 150 + 30), SPACWALK_R203, SPACWALK_R201, SPACWALK_R204, /* r1, r2, r3, r4 */
+ SPACWALK_R202, 0, SPACWALK_R200, 0, /* r5, r6, r7, r8*/
+ SPACWALK_C200, 12 /* c, vP*/
+};
+
+static const discrete_op_amp_tvca_info spacwalk_sb_hit_tvca_info =
+{
+ SPACWALK_R207, SPACWALK_R205, 0, SPACWALK_R208, /* r1, r2, r3, r4 */
+ SPACWALK_RJ3, 0, SPACWALK_R206, /* r5, r6, r7 */
+ 0, 0, 0, 0 , /* r8, r9, r10, r11 */
+ SPACWALK_C201, 0, 0, 0, /* c1, c2, c3, c4 */
+ 5, 0, 0, 12, /* v1, v2, v3, vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+static const discrete_integrate_info spacwalk_sb_miss_integrate =
+{
+ DISC_INTEGRATE_OP_AMP_1 | DISC_OP_AMP_IS_NORTON,
+ SPACWALK_R406, SPACWALK_R401, 0, SPACWALK_C402, /* r1, r2, r3, c */
+ 12, 12, /* v1, vP */
+ 0, 0, 0 /* f0, f1, f2 */
+};
+
+static const discrete_op_amp_osc_info spacwalk_sb_miss_vco =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_3 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW,
+ SPACWALK_R407, SPACWALK_R412, SPACWALK_R410, SPACWALK_R411, SPACWALK_R413, 0, 0, 0, /* r1, r2, r3, r4, r5, r6, r7, r8 */
+ SPACWALK_C403, 12 /* c, vP */
+};
+
+static const discrete_op_amp_filt_info spacwalk_sb_miss_filter =
+{
+ /* we use r1, not r2 because vref is taken into acount by the CRFILTER */
+ SPACWALK_R417, 0, SPACWALK_R414, 0, SPACWALK_R416, /* r1, r2, r3, r4, rF */
+ SPACWALK_C451, SPACWALK_C452, 0, /* c1, c2, c3 */
+ 0, 12, 0 /* vRef, vP, vN */
+};
+
+static const discrete_op_amp_info spacwalk_sb_miss_amp =
+{
+ DISC_OP_AMP_IS_NORTON,
+ SPACWALK_R418, SPACWALK_R404, 0, SPACWALK_R403, /* r1, r2, r3, r4 */
+ 0, /* c */
+ 0, 12, /* vN, vP */
+};
+
+static const discrete_op_amp_osc_info spacwalk_spaceship_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_2 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_CAP,
+ RES_K(75), RES_M(1), RES_M(6.8), RES_M(2.4), 0, 0, 0, 0, /* r1, r2, r3, r4, r5, r6, r7, r8 */
+ CAP_U(2.2), 12 /* c, vP */
+};
+
+static const discrete_op_amp_osc_info spacwalk_spaceship_vco =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_CAP,
+ RES_K(680), RES_K(300), RES_K(100), RES_K(150), RES_K(120), 0, 0, 0, /* r1, r2, r3, r4, r5, r6, r7, r8 */
+ CAP_U(0.0012), 12 /* c, vP */
+};
+
+static const discrete_mixer_desc spacwalk_mixer =
+{
+ DISC_MIXER_IS_RESISTOR,
+ {SPACWALK_R422, SPACWALK_R422, RES_K(39 + 10 + 1), SPACWALK_R421, SPACWALK_R420, SPACWALK_R419},
+ {0, 0, 0, 0, 0, SPACWALK_R507_POT}, /* r_nodes */
+ {0}, 0, 0, 0, SPACWALK_C602, 0, 1 /* c, rI, rF, cF, cAmp, vRef, gain */
+};
+
+
+/************************************************
+ * Springboard Hit Circuit 1 or 2
+ ************************************************/
+#define SPACWALK_SPRINGBOARD_HIT_CIRCUIT(_num) \
+DISCRETE_RCFILTER(NODE_RELATIVE(NODE_29, _num), \
+ SPACWALK_NOISE, /* IN0 */ \
+ RES_K(330), CAP_U(.1)) \
+DISCRETE_RCFILTER(NODE_RELATIVE(NODE_31, _num), \
+ NODE_RELATIVE(NODE_29, _num), /* IN0 */ \
+ RES_K(330) + RES_K(150), CAP_U(.1)) \
+DISCRETE_OP_AMP_VCO1(NODE_RELATIVE(NODE_33, _num), /* IC M2-3, pin 5 */ \
+ 1, /* ENAB */ \
+ NODE_RELATIVE(NODE_31, _num), /* VMOD1 */ \
+ &spacwalk_sb_hit_vco) \
+DISCRETE_OP_AMP_TRIG_VCA(NODE_RELATIVE(NODE_35, _num), /* IC M2-3, pin 9 */ \
+ NODE_RELATIVE(SPACWALK_SPRINGBOARD_HIT1_EN, _num - 1), 0, 0, /* TRG0, TRG1, TRG2 */ \
+ NODE_RELATIVE(NODE_33, _num), 0, /* IN0, IN1 */ \
+ &spacwalk_sb_hit_tvca_info) \
+/* Wrong values. Untested */ \
+/* The rest of the circuit is a filter. */ \
+DISCRETE_FILTER2(NODE_RELATIVE(NODE_37, _num), \
+ 1, /* ENAB */ \
+ NODE_RELATIVE(NODE_35, _num), /* INP0 */ \
+ 2000.0 - _num * 500, 1.0/.8, /* FREQ, DAMP */ \
+ DISC_FILTER_LOWPASS) \
+/* The filter has a gain of 0.5 */ \
+DISCRETE_GAIN(NODE_RELATIVE(SPACWALK_SPRINGBOARD_HIT1_SND, _num - 1), \
+ NODE_RELATIVE(NODE_37, _num), 0.5)
+
+ static DISCRETE_SOUND_START(spacwalk)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUT_LOGIC(SPACWALK_TARGET_HIT_BOTTOM_EN)
+ DISCRETE_INPUT_LOGIC(SPACWALK_TARGET_HIT_MIDDLE_EN)
+ DISCRETE_INPUT_LOGIC(SPACWALK_TARGET_HIT_TOP_EN)
+ DISCRETE_INPUT_LOGIC(SPACWALK_SPRINGBOARD_HIT1_EN)
+ DISCRETE_INPUT_LOGIC(SPACWALK_SPRINGBOARD_HIT2_EN)
+ DISCRETE_INPUT_LOGIC(SPACWALK_SPRINGBOARD_MISS_EN)
+ DISCRETE_INPUT_LOGIC(SPACWALK_SPACE_SHIP_EN)
+
+ /* The low value of the pot is set to 7000. A real 1M pot will never go to 0 anyways. */
+ /* This will give the control more apparent volume range. */
+ /* The music way overpowers the rest of the sounds anyways. */
+ DISCRETE_ADJUSTMENT(SPACWALK_R507_POT, SPACWALK_R507, 7000, DISC_LOGADJ, "R507")
+
+ /************************************************
+ * Tone generator
+ ************************************************/
+ MIDWAY_TONE_GENERATOR(midway_music_tvca_info)
+
+ /************************************************
+ * Target hit sounds
+ * The LFSR is the same as boothill
+ ************************************************/
+ /* Noise clock was breadboarded and measured at 7700Hz */
+ DISCRETE_LFSR_NOISE(SPACWALK_NOISE, /* IC L4, pin 10 */
+ 1, 1, /* ENAB, RESET */
+ 7700, 12.0, 0, 12.0/2, &midway_lfsr) /* CLK,AMPL,FEED,BIAS,LFSRTB */
+
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_20, /* IC K3, pin 9 */
+ SPACWALK_TARGET_HIT_TOP_EN, SPACWALK_TARGET_HIT_MIDDLE_EN, SPACWALK_TARGET_HIT_BOTTOM_EN,
+ SPACWALK_NOISE, 0, /* IN0, IN1 */
+ &spacwalk_hit_tvca_info)
+ DISCRETE_RCFILTER(NODE_21,
+ NODE_20, /* IN0 */
+ SPACWALK_R307, SPACWALK_C303)
+ DISCRETE_RCFILTER(SPACWALK_TARGET_HIT_SND,
+ NODE_21, /* IN0 */
+ SPACWALK_R307 + SPACWALK_R308, SPACWALK_C304)
+
+ /************************************************
+ * Springboard hit sounds
+ ************************************************/
+ /* Nodes 30 - 40 */
+ SPACWALK_SPRINGBOARD_HIT_CIRCUIT(1)
+ SPACWALK_SPRINGBOARD_HIT_CIRCUIT(2)
+
+ /************************************************
+ * Springboard miss sound
+ ************************************************/
+ DISCRETE_RCDISC2(NODE_50, /* voltage on C401 */
+ SPACWALK_SPRINGBOARD_MISS_EN, /* SWITCH */
+ OP_AMP_NORTON_VBE, RES_2_PARALLEL(SPACWALK_R401, SPACWALK_R407), /* INP0,RVAL0 */
+ 12.0 - .5, SPACWALK_R400, /* INP1,RVAL1 */
+ SPACWALK_C401)
+ DISCRETE_INTEGRATE(NODE_51, /* IC K4, pin 9 */
+ NODE_50, 0, /* TRG0,TRG1*/
+ &spacwalk_sb_miss_integrate)
+ DISCRETE_OP_AMP_VCO1(NODE_52, /* IC K4, pin 5 */
+ 1, /* ENAB */
+ NODE_50, /* VMOD1 */
+ &spacwalk_sb_miss_vco)
+ DISCRETE_CRFILTER(NODE_53,
+ NODE_52, /* IN0 */
+ SPACWALK_R417, SPACWALK_C453)
+ /* this filter type probably does not work right. I need to test it. */
+ DISCRETE_OP_AMP_FILTER(NODE_54, /* IC K3, pin 5 */
+ 1, /* ENAB */
+ NODE_53, 0, /* INP0,INP1 */
+ DISC_OP_AMP_FILTER_IS_BAND_PASS_1M | DISC_OP_AMP_IS_NORTON, &spacwalk_sb_miss_filter)
+ DISCRETE_OP_AMP(SPACWALK_SPRINGBOARD_MISS_SND, /* IC K4, pin 10 */
+ 1, /* ENAB */
+ NODE_54, NODE_51, /* IN0,IN1 */
+ &spacwalk_sb_miss_amp)
+
+ /************************************************
+ * Space ship sound
+ ************************************************/
+ DISCRETE_OP_AMP_OSCILLATOR(NODE_60, /* voltage on 2.2uF cap near IC JK-2 */
+ 1, /* ENAB */
+ &spacwalk_spaceship_osc)
+ DISCRETE_OP_AMP_VCO1(NODE_61, /* IC JK-2, pin 5 */
+ SPACWALK_SPACE_SHIP_EN, /* ENAB */
+ NODE_60, /* VMOD1*/
+ &spacwalk_spaceship_vco)
+ DISCRETE_RCFILTER(NODE_62,
+ NODE_61, /* IN0 */
+ RES_K(1), CAP_U(0.15))
+ DISCRETE_RCFILTER(SPACWALK_SPACE_SHIP_SND,
+ NODE_62, /* IN0 */
+ RES_K(1) + RES_K(10), CAP_U(0.015))
+
+ /************************************************
+ * Combine all sound sources.
+ ************************************************/
+ DISCRETE_MIXER6(NODE_90,
+ 1, /* ENAB */
+ SPACWALK_SPRINGBOARD_HIT1_SND,
+ SPACWALK_SPRINGBOARD_HIT2_SND,
+ SPACWALK_SPACE_SHIP_SND,
+ SPACWALK_SPRINGBOARD_MISS_SND,
+ SPACWALK_TARGET_HIT_SND,
+ MIDWAY_TONE_SND,
+ &spacwalk_mixer)
+ DISCRETE_OUTPUT(NODE_90, 11000)
+DISCRETE_SOUND_END
+
+MACHINE_CONFIG_FRAGMENT( spacwalk_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(spacwalk)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+WRITE8_MEMBER(mw8080bw_state::spacwalk_audio_1_w)
+{
+ coin_counter_w(machine(), 0, (data >> 0) & 0x01);
+
+ m_clowns_controller_select = (data >> 1) & 0x01;
+
+ machine().sound().system_enable((data >> 2) & 0x01);
+
+ m_discrete->write(space, SPACWALK_SPACE_SHIP_EN, (data >> 3) & 0x01);
+}
+
+WRITE8_MEMBER(mw8080bw_state::spacwalk_audio_2_w)
+{
+ m_discrete->write(space, SPACWALK_TARGET_HIT_BOTTOM_EN, (data >> 0) & 0x01);
+
+ m_discrete->write(space, SPACWALK_TARGET_HIT_MIDDLE_EN, (data >> 1) & 0x01);
+
+ m_discrete->write(space, SPACWALK_TARGET_HIT_TOP_EN, (data >> 2) & 0x01);
+
+ m_discrete->write(space, SPACWALK_SPRINGBOARD_HIT1_EN, (data >> 3) & 0x01);
+
+ m_discrete->write(space, SPACWALK_SPRINGBOARD_HIT2_EN, (data >> 4) & 0x01);
+
+ m_discrete->write(space, SPACWALK_SPRINGBOARD_MISS_EN, (data >> 5) & 0x01);
+}
+
+
+
+/*************************************
+ *
+ * Shuffleboard
+ *
+ * Discrete sound emulation: Oct 2009, D.R.
+ *
+ *************************************/
+
+ /* Discrete Sound Input Nodes */
+#define SHUFFLE_ROLLING_1_EN NODE_01
+#define SHUFFLE_ROLLING_2_EN NODE_02
+#define SHUFFLE_ROLLING_3_EN NODE_03
+#define SHUFFLE_FOUL_EN NODE_04
+#define SHUFFLE_ROLLOVER_EN NODE_05
+#define SHUFFLE_CLICK_EN NODE_06
+
+/* Discrete Sound Output Nodes */
+#define SHUFFLE_NOISE NODE_10
+#define SHUFFLE_ROLLING_SND NODE_11
+#define SHUFFLE_FOUL_SND NODE_12
+#define SHUFFLE_ROLLOVER_SND NODE_13
+#define SHUFFLE_CLICK_SND NODE_14
+
+/* Parts List - Resistors */
+#define SHUFFLE_R300 RES_K(33)
+#define SHUFFLE_R400 RES_K(200)
+#define SHUFFLE_R401 RES_K(3)
+#define SHUFFLE_R402 RES_K(5.6)
+#define SHUFFLE_R403 RES_K(5.6)
+#define SHUFFLE_R404 RES_M(1)
+#define SHUFFLE_R406 RES_K(300)
+#define SHUFFLE_R407 RES_K(680)
+#define SHUFFLE_R408 RES_K(680)
+#define SHUFFLE_R409 RES_K(680)
+#define SHUFFLE_R410 RES_K(680)
+#define SHUFFLE_R411 RES_K(680)
+#define SHUFFLE_R412 RES_M(2.7)
+#define SHUFFLE_R500 RES_K(300)
+#define SHUFFLE_R503 RES_M(2.7)
+#define SHUFFLE_R504 RES_K(680)
+#define SHUFFLE_R505 RES_K(680)
+#define SHUFFLE_R506 RES_K(100)
+#define SHUFFLE_R507 RES_K(47)
+#define SHUFFLE_R508 RES_K(47)
+#define SHUFFLE_R509 RES_K(100)
+#define SHUFFLE_R511 RES_M(2)
+#define SHUFFLE_R512 RES_M(5.6)
+#define SHUFFLE_R513 RES_K(680)
+#define SHUFFLE_R514 RES_M(1.5)
+#define SHUFFLE_R515 RES_M(1)
+#define SHUFFLE_R516 RES_K(510)
+
+/* Parts List - Capacitors */
+#define SHUFFLE_C300 CAP_U(0.1)
+#define SHUFFLE_C400 CAP_U(0.1)
+#define SHUFFLE_C401 CAP_U(1)
+#define SHUFFLE_C402 CAP_U(1)
+#define SHUFFLE_C403 CAP_U(1)
+#define SHUFFLE_C404 CAP_U(0.1)
+#define SHUFFLE_C405 CAP_U(0.1)
+#define SHUFFLE_C500 CAP_U(0.1)
+#define SHUFFLE_C503 CAP_U(0.0022)
+#define SHUFFLE_C504 CAP_U(0.0022)
+#define SHUFFLE_C505 CAP_U(0.33)
+#define SHUFFLE_C506 CAP_U(1)
+#define SHUFFLE_C507 CAP_U(1)
+#define SHUFFLE_C508 CAP_U(1)
+
+
+static const discrete_op_amp_tvca_info shuffle_rolling_tvca =
+{
+ SHUFFLE_R512, 0, 0, SHUFFLE_R511, /* r1, r2, r3, r4 */
+ RES_K(10), 0, SHUFFLE_R516, /* r5, r6, r7 */
+ RES_K(10), SHUFFLE_R515, /* r8, r9 */
+ RES_K(10), SHUFFLE_R514, /* r10, r11 */
+ SHUFFLE_C508, SHUFFLE_C507, SHUFFLE_C506, SHUFFLE_C505, /* c1, c2, c3, c4 */
+ 12, 12, 12, 12, /* v1, v2, v3, vP */
+ 0, 0, DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, 0, /* f0, f1, f2, f3 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG1, /* f4 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG2 /* f5 */
+};
+
+static const discrete_op_amp_info shuffle_rolling_amp =
+{
+ DISC_OP_AMP_IS_NORTON,
+ SHUFFLE_R513, SHUFFLE_R505, SHUFFLE_R503, SHUFFLE_R504, /* r1, r2, r3, r4 */
+ 0, /* c */
+ 0, 12, /* vN, vP */
+};
+
+static const discrete_op_amp_tvca_info shuffle_foul_tvca =
+{
+ SHUFFLE_R412, SHUFFLE_R411, 0, SHUFFLE_R408, /* r1, r2, r3, r4 */
+ RES_K(1), 0, SHUFFLE_R406, /* r5, r6, r7 */
+ 0, 0, 0, 0, /* r8, r9, r10, r11 */
+ SHUFFLE_C404, 0, 0, 0, /* c1, c2, c3, c4 */
+ 5, 0, 0, 12, /* v1, v2, v3, vP */
+ 0, 0, DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, 0, 0, 0 /* f0, f1, f2, f3, f4, f5 */
+};
+
+static const discrete_op_amp_tvca_info shuffle_rollover_tvca =
+{
+ SHUFFLE_R404, SHUFFLE_R410, 0, SHUFFLE_R407, /* r1, r2, r3, r4 */
+ RES_K(10), 0, SHUFFLE_R409, /* r5, r6, r7 */
+ 0, 0, 0, 0, /* r8, r9, r10, r11 */
+ SHUFFLE_C405, 0, 0, 0, /* c1, c2, c3, c4 */
+ 12, 0, 0, 12, /* v1, v2, v3, vP */
+ 0, 0, DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, 0, 0, 0 /* f0, f1, f2, f3, f4, f5 */
+};
+
+static const discrete_mixer_desc shuffle_mixer =
+{
+ DISC_MIXER_IS_RESISTOR,
+ {SHUFFLE_R500, SHUFFLE_R400, SHUFFLE_R403 + SHUFFLE_R402 + SHUFFLE_R401, SHUFFLE_R300},
+ {0}, /* r_nodes */
+ {SHUFFLE_C500, SHUFFLE_C400, SHUFFLE_C401, SHUFFLE_C300},
+ 0, 0, 0, 0, 0 ,1 /* rI, rF, cF, cAmp, vRef, gain */
+};
+
+
+static DISCRETE_SOUND_START(shuffle)
+ DISCRETE_INPUT_LOGIC(SHUFFLE_ROLLING_1_EN)
+ DISCRETE_INPUT_LOGIC(SHUFFLE_ROLLING_2_EN)
+ DISCRETE_INPUT_LOGIC(SHUFFLE_ROLLING_3_EN)
+ DISCRETE_INPUT_LOGIC(SHUFFLE_FOUL_EN)
+ DISCRETE_INPUT_LOGIC(SHUFFLE_ROLLOVER_EN)
+ DISCRETE_INPUTX_LOGIC(SHUFFLE_CLICK_EN, 11.5, 0, 0)
+
+ /* Noise clock was breadboarded and measured at 1210Hz */
+ DISCRETE_LFSR_NOISE(SHUFFLE_NOISE, /* IC N5, pin 10 */
+ 1, 1, /* ENAB, RESET */
+ 1210, 12.0, 0, 12.0 / 2, &midway_lfsr) /* CLK,AMPL,FEED,BIAS,LFSRTB */
+
+ /************************************************
+ * Shuffle rolling
+ ************************************************/
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_20, /* IC P3-4, pin 5 */
+ SHUFFLE_ROLLING_1_EN, SHUFFLE_ROLLING_2_EN, SHUFFLE_ROLLING_3_EN, /* TRG0,TRG1,TRG2 */
+ 0, 0, /*IN0,IN1 */
+ &shuffle_rolling_tvca)
+ DISCRETE_OP_AMP(NODE_21, /* IC P3-4, pin 4 */
+ 1, /* ENAB */
+ SHUFFLE_NOISE, NODE_20, /* IN0,IN1 */
+ &shuffle_rolling_amp)
+ /* filter not accurate */
+ DISCRETE_FILTER1(NODE_22, 1, NODE_21, 800, DISC_FILTER_LOWPASS)
+ DISCRETE_GAIN(SHUFFLE_ROLLING_SND, NODE_22, .2)
+
+ /************************************************
+ * Foul
+ ************************************************/
+ DISCRETE_SQUAREWFIX(NODE_30, /* Connected to edge connector V - 120Hz */
+ 1, 120, DEFAULT_TTL_V_LOGIC_1, 50, DEFAULT_TTL_V_LOGIC_1 / 2, 0) /* ENAB,FREQ,AMP,DUTY,BIAS,PHASE */
+ DISCRETE_OP_AMP_TRIG_VCA(SHUFFLE_FOUL_SND, /* IC M3-4, pin 5 */
+ SHUFFLE_FOUL_EN, 0, 0, /* TRG0,TRG1,TRG2 */
+ NODE_30, 0, /*IN0,IN1 */
+ &shuffle_foul_tvca)
+
+ /************************************************
+ * Shuffle rollover
+ ************************************************/
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_40, /* IC M3-4, pin 4 */
+ SHUFFLE_ROLLOVER_EN, 0, 0, /* TRG0,TRG1,TRG2 */
+ SHUFFLE_NOISE, 0, /*IN0,IN1 */
+ &shuffle_rollover_tvca)
+ DISCRETE_RCFILTER(NODE_41,
+ NODE_40, /* IN0 */
+ SHUFFLE_R403, SHUFFLE_C403)
+ DISCRETE_RCFILTER(SHUFFLE_ROLLOVER_SND,
+ NODE_41, /* IN0 */
+ SHUFFLE_R403 + SHUFFLE_R402, SHUFFLE_C402)
+
+ /************************************************
+ * Click
+ ************************************************/
+ /* filter not accurate */
+ DISCRETE_FILTER1(NODE_50, 1, SHUFFLE_CLICK_EN, 300, DISC_FILTER_LOWPASS)
+ DISCRETE_GAIN(SHUFFLE_CLICK_SND, NODE_50, .3)
+
+ /************************************************
+ * Combine all sound sources.
+ ************************************************/
+ DISCRETE_MIXER4(NODE_90,
+ 1, /* ENAB */
+ SHUFFLE_ROLLING_SND,
+ SHUFFLE_FOUL_SND,
+ SHUFFLE_ROLLOVER_SND,
+ SHUFFLE_CLICK_SND,
+ &shuffle_mixer)
+ DISCRETE_OUTPUT(NODE_90, 59200)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( shuffle_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(shuffle)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::shuffle_audio_1_w)
+{
+ m_discrete->write(space, SHUFFLE_CLICK_EN, (data >> 0) & 0x01);
+
+ m_discrete->write(space, SHUFFLE_ROLLOVER_EN, (data >> 1) & 0x01);
+
+ machine().sound().system_enable((data >> 2) & 0x01);
+
+ m_discrete->write(space, NODE_29, (data >> 3) & 0x07);
+
+ m_discrete->write(space, SHUFFLE_ROLLING_3_EN, (data >> 3) & 0x01);
+ m_discrete->write(space, SHUFFLE_ROLLING_2_EN, (data >> 4) & 0x01);
+ m_discrete->write(space, SHUFFLE_ROLLING_1_EN, (data >> 5) & 0x01);
+
+ /* D6 and D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::shuffle_audio_2_w)
+{
+ m_discrete->write(space, SHUFFLE_FOUL_EN, (data >> 0) & 0x01);
+
+ coin_counter_w(machine(), 0, (data >> 1) & 0x01);
+
+ /* D2-D7 are not connected */
+}
+
+
+
+/*************************************
+ *
+ * Dog Patch
+ *
+ * Discrete sound emulation:
+ * Sept 2011, D.R.
+ *
+ *************************************/
+
+/* nodes - inputs */
+#define DOGPATCH_GAME_ON_EN NODE_01
+#define DOGPATCH_LEFT_SHOT_EN NODE_02
+#define DOGPATCH_RIGHT_SHOT_EN NODE_03
+#define DOGPATCH_HIT_EN NODE_04
+#define DOGPATCH_PAN_DATA NODE_05
+
+/* nodes - sounds */
+#define DOGPATCH_NOISE NODE_06
+#define DOGPATCH_L_SHOT_SND NODE_07
+#define DOGPATCH_R_SHOT_SND NODE_08
+#define DOGPATCH_HIT_SND NODE_09
+#define DOGPATCH_L_HIT_SND NODE_10
+#define DOGPATCH_R_HIT_SND NODE_11
+
+
+static const discrete_op_amp_tvca_info dogpatch_shot_tvca_info =
+{
+ RES_M(2.7),
+ RES_K(510),
+ 0,
+ RES_K(510),
+ RES_K(10),
+ 0,
+ RES_K(510),
+ 0,
+ 0,
+ 0,
+ 0,
+ CAP_U(0.22),
+ 0,
+ 0, 0,
+ 12,
+ 0,
+ 0,
+ 12,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE,
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE
+};
+
+
+static const discrete_mixer_desc dogpatch_l_mixer =
+{
+ DISC_MIXER_IS_OP_AMP,
+ { RES_K(12) + RES_K(68) + RES_K(33),
+ RES_K(33) },
+ { 0 },
+ { 0 },
+ 0,
+ RES_K(100),
+ 0,
+ CAP_U(0.1),
+ 0,
+ 1 /* final gain */
+};
+
+
+static const discrete_mixer_desc dogpatch_r_mixer =
+{
+ DISC_MIXER_IS_OP_AMP,
+ { RES_K(12) + RES_K(68) + RES_K(33),
+ RES_K(33),
+ RES_K(510) + RES_K(33) },
+ { 0 },
+ { 0 },
+ 0,
+ RES_K(100),
+ 0,
+ CAP_U(0.1),
+ 0,
+ 1 /* final gain */
+};
+
+
+static DISCRETE_SOUND_START(dogpatch)
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUT_LOGIC(DOGPATCH_GAME_ON_EN)
+ DISCRETE_INPUT_LOGIC(DOGPATCH_LEFT_SHOT_EN)
+ DISCRETE_INPUT_LOGIC(DOGPATCH_RIGHT_SHOT_EN)
+ DISCRETE_INPUT_LOGIC(DOGPATCH_HIT_EN)
+
+ /************************************************
+ * Tone generator
+ ************************************************/
+ MIDWAY_TONE_GENERATOR(midway_music_tvca_info)
+
+ /* Noise clock was breadboarded and measured at 7700Hz */
+ DISCRETE_LFSR_NOISE(DOGPATCH_NOISE, 1, 1, 7700, 12.0, 0, 12.0/2, &midway_lfsr)
+
+ /************************************************
+ * Shot sounds
+ ************************************************/
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_20, DOGPATCH_LEFT_SHOT_EN, 0, 0, DOGPATCH_NOISE, 0, &dogpatch_shot_tvca_info)
+ DISCRETE_RCFILTER(NODE_21, NODE_20, RES_K(12), CAP_U(.01))
+ DISCRETE_RCFILTER(DOGPATCH_L_SHOT_SND, NODE_21, RES_K(12) + RES_K(68), CAP_U(.0022))
+
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_30, DOGPATCH_RIGHT_SHOT_EN, 0, 0, DOGPATCH_NOISE, 0, &dogpatch_shot_tvca_info)
+ DISCRETE_RCFILTER(NODE_31, NODE_30, RES_K(12), CAP_U(.01))
+ DISCRETE_RCFILTER(DOGPATCH_R_SHOT_SND, NODE_31, RES_K(12) + RES_K(68), CAP_U(.0033))
+
+ /************************************************
+ * Target hit sounds
+ ************************************************/
+ DISCRETE_CONSTANT(DOGPATCH_L_HIT_SND, 0)
+ DISCRETE_CONSTANT(DOGPATCH_R_HIT_SND, 0)
+
+ /************************************************
+ * Combine all sound sources.
+ ************************************************/
+ /* There is a 1uF cap on the input to the amp that I was too lazy to simulate.
+ * It is just a DC blocking cap needed by the Norton amp. Doing the extra
+ * work to simulate it is not going to make a difference to the waveform
+ * or to how it sounds. Also I use a regular amp in place of the Norton
+ * for the same reasons. Ease of coding/simulation. */
+
+ DISCRETE_MIXER2(NODE_91, DOGPATCH_GAME_ON_EN, DOGPATCH_L_SHOT_SND, DOGPATCH_L_HIT_SND, &dogpatch_l_mixer)
+
+ /* Music is only added to the right channel per schematics */
+ /* This should be verified on the real game */
+ DISCRETE_MIXER3(NODE_92, DOGPATCH_GAME_ON_EN, DOGPATCH_R_SHOT_SND, DOGPATCH_R_HIT_SND, MIDWAY_TONE_SND, &dogpatch_r_mixer)
+
+ DISCRETE_OUTPUT(NODE_91, 32760.0 / 5.8)
+ DISCRETE_OUTPUT(NODE_92, 32760.0 / 5.8)
+
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( dogpatch_audio )
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(dogpatch)
+ MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::dogpatch_audio_w)
+{
+ /* D0, D1 and D7 are not used */
+
+ coin_counter_w(machine(), 0, (data >> 2) & 0x01);
+
+ machine().sound().system_enable((data >> 3) & 0x01);
+ m_discrete->write(space, DOGPATCH_GAME_ON_EN, (data >> 3) & 0x01);
+
+ m_discrete->write(space, DOGPATCH_LEFT_SHOT_EN, (data >> 4) & 0x01);
+
+ m_discrete->write(space, DOGPATCH_RIGHT_SHOT_EN, (data >> 5) & 0x01);
+
+ m_discrete->write(space, DOGPATCH_HIT_EN, (data >> 6) & 0x01);
+}
+
+
+
+/*************************************
+ *
+ * Space Encounters
+ *
+ * Discrete sound emulation:
+ * Apr 2007, D.R.
+ *************************************/
+
+/* nodes - inputs */
+#define SPCENCTR_ENEMY_SHIP_SHOT_EN NODE_01
+#define SPCENCTR_PLAYER_SHOT_EN NODE_02
+#define SPCENCTR_SCREECH_EN NODE_03
+#define SPCENCTR_CRASH_EN NODE_04
+#define SPCENCTR_EXPLOSION_EN NODE_05
+#define SPCENCTR_BONUS_EN NODE_06
+#define SPCENCTR_WIND_DATA NODE_07
+
+/* nodes - sounds */
+#define SPCENCTR_NOISE NODE_10
+#define SPCENCTR_ENEMY_SHIP_SHOT_SND NODE_11
+#define SPCENCTR_PLAYER_SHOT_SND NODE_12
+#define SPCENCTR_SCREECH_SND NODE_13
+#define SPCENCTR_CRASH_SND NODE_14
+#define SPCENCTR_EXPLOSION_SND NODE_15
+#define SPCENCTR_BONUS_SND NODE_16
+#define SPCENCTR_WIND_SND NODE_17
+
+
+static const discrete_op_amp_info spcenctr_enemy_ship_shot_op_amp_E1 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ 0, /* no r1 */
+ RES_K(510), /* R100 */
+ RES_M(2.2), /* R101 */
+ RES_M(2.2), /* R102 */
+ CAP_U(0.1), /* C100 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_osc_info spcenctr_enemy_ship_shot_op_amp_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_3 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW,
+ RES_K(560), /* R103 */
+ RES_K(7.5), /* R118 */
+ RES_K(22), /* R104 */
+ RES_K(47), /* R106 */
+ RES_K(100), /* R105 */
+ 0, /* no r6 */
+ 0, /* no r7 */
+ 0, /* no r8 */
+ CAP_U(0.0022), /* C101 */
+ 12, /* vP */
+};
+
+
+static const discrete_op_amp_info spcenctr_enemy_ship_shot_op_amp_D1 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ RES_K(100), /* R107 */
+ RES_K(100), /* R109 */
+ RES_M(2.7), /* R108 */
+ RES_K(100), /* R110 */
+ 0, /* no c */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_filt_info spcenctr_enemy_ship_shot_filt =
+{
+ RES_K(100), /* R112 */
+ RES_K(10), /* R113 */
+ RES_M(4.3), /* r3 */
+ 0, /* no r4 */
+ RES_M(2.2), /* R114 */
+ CAP_U(0.001), /* c1 */
+ CAP_U(0.001), /* c2 */
+ 0, /* no c3 */
+ 0, /* vRef */
+ 12, /* vP */
+ 0 /* vN */
+};
+
+
+static const discrete_op_amp_1sht_info spcenctr_player_shot_1sht =
+{
+ DISC_OP_AMP_1SHT_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(4.7), /* R500 */
+ RES_K(100), /* R502 */
+ RES_M(1), /* R501 */
+ RES_M(1), /* R503 */
+ RES_M(2.2), /* R504 */
+ CAP_U(1), /* C500 */
+ CAP_P(470), /* C501 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_info spcenctr_player_shot_op_amp_E1 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ 0, /* no r1 */
+ RES_K(10), /* R505 */
+ RES_M(1.5), /* R506 */
+ 0, /* no r4 */
+ CAP_U(0.22), /* C502 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_osc_info spcenctr_player_shot_op_amp_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_3 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW,
+ 1.0 / (1.0 / RES_M(1) + 1.0 / RES_K(330)) + RES_M(1.5), /* R507||R509 + R508 */
+ RES_M(1), /* R513 */
+ RES_K(560), /* R512 */
+ RES_M(2.7), /* R516 */
+ RES_M(1), /* R515 */
+ RES_M(4.7), /* R510 */
+ RES_M(3.3), /* R511 */
+ 0, /* no r8 */
+ CAP_P(330), /* C504 */
+ 12, /* vP */
+};
+
+
+static const discrete_op_amp_info spcenctr_player_shot_op_amp_C1 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ RES_K(560), /* R517 */
+ RES_K(470), /* R514 */
+ RES_M(2.7), /* R518 */
+ RES_K(560), /* R524 */
+ 0, /* no c */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_tvca_info spcenctr_player_shot_tvca =
+{
+ RES_M(2.7), /* R522 */
+ RES_K(560), /* R521 */
+ 0, /* no r3 */
+ RES_K(560), /* R560 */
+ RES_K(1), /* R42 */
+ 0, /* no r6 */
+ RES_K(560), /* R523 */
+ 0, /* no r8 */
+ 0, /* no r9 */
+ 0, /* no r10 */
+ 0, /* no r11 */
+ CAP_U(1), /* C506 */
+ 0, /* no c2 */
+ 0, 0, /* no c3, c4 */
+ 12, /* v1 */
+ 0, /* no v2 */
+ 0, /* no v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f0 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f1 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, /* f2 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f3 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f4 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE /* no f5 */
+};
+
+
+static const discrete_op_amp_tvca_info spcenctr_crash_tvca =
+{
+ RES_M(2.7), /* R302 */
+ RES_K(470), /* R300 */
+ 0, /* no r3 */
+ RES_K(470), /* R303 */
+ RES_K(1), /* R56 */
+ 0, /* no r6 */
+ RES_K(470), /* R301 */
+ 0, /* no r8 */
+ 0, /* no r9 */
+ 0, /* no r10 */
+ 0, /* no r11 */
+ CAP_U(2.2), /* C304 */
+ 0, /* no c2 */
+ 0, 0, /* no c3, c4 */
+ 5, /* v1 */
+ 0, /* no v2 */
+ 0, /* no v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f0 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f1 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, /* f2 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f3 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f4 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE /* no f5 */
+};
+
+
+static const discrete_op_amp_tvca_info spcenctr_explosion_tvca =
+{
+ RES_M(2.7), /* R402 */
+ RES_K(680), /* R400 */
+ 0, /* no r3 */
+ RES_K(680), /* R403 */
+ RES_K(1), /* R41 */
+ 0, /* no r6 */
+ RES_K(680), /* R401 */
+ 0, /* no r8 */
+ 0, /* no r9 */
+ 0, /* no r10 */
+ 0, /* no r11 */
+ CAP_U(2.2), /* C400 */
+ 0, /* no c2 */
+ 0, 0, /* no c3, c4 */
+ 12, /* v1 */
+ 0, /* no v2 */
+ 0, /* no v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f0 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f1 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, /* f2 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f3 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f4 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE /* no f5 */
+};
+
+
+static const discrete_555_desc spcenctr_555_bonus =
+{
+ DISC_555_OUT_SQW | DISC_555_OUT_DC,
+ 5, /* B+ voltage of 555 */
+ DEFAULT_555_VALUES
+};
+
+
+static const discrete_mixer_desc spcenctr_mixer =
+{
+ DISC_MIXER_IS_RESISTOR, /* type */
+ { RES_K(15), /* R117 */
+ RES_K(15), /* R526 */
+ RES_K(22), /* R211 */
+ RES_K(3.6), /* R309 */
+ RES_K(1.8) + RES_K(3.6) + RES_K(4.7), /* R405 + R406 + R407 */
+ RES_K(27), /* R715 */
+ RES_K(27)}, /* R51 */
+ {0}, /* no rNode{} */
+ { 0,
+ CAP_U(0.001), /* C505 */
+ CAP_U(0.1), /* C202 */
+ CAP_U(1), /* C303 */
+ 0,
+ 0,
+ CAP_U(10)}, /* C16 */
+ 0, /* no rI */
+ 0, /* no rF */
+ 0, /* no cF */
+ CAP_U(1), /* C900 */
+ 0, /* vRef = ground */
+ 1 /* gain */
+};
+
+
+static DISCRETE_SOUND_START(spcenctr)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUTX_LOGIC(SPCENCTR_ENEMY_SHIP_SHOT_EN, 12, 0, 0)
+ DISCRETE_INPUTX_LOGIC(SPCENCTR_PLAYER_SHOT_EN, 12, 0, 0)
+ DISCRETE_INPUT_LOGIC (SPCENCTR_SCREECH_EN)
+ DISCRETE_INPUT_LOGIC (SPCENCTR_CRASH_EN)
+ DISCRETE_INPUT_LOGIC (SPCENCTR_EXPLOSION_EN)
+ DISCRETE_INPUT_LOGIC (SPCENCTR_BONUS_EN)
+ DISCRETE_INPUT_DATA (SPCENCTR_WIND_DATA)
+
+
+ /************************************************
+ * Noise Generator
+ ************************************************/
+ /* Noise clock was breadboarded and measured at 7515 */
+ DISCRETE_LFSR_NOISE(SPCENCTR_NOISE, /* IC A0, pin 10 */
+ 1, /* ENAB */
+ 1, /* no RESET */
+ 7515, /* CLK in Hz */
+ 12, /* p-p AMPL */
+ 0, /* no FEED input */
+ 12.0/2, /* dc BIAS */
+ &midway_lfsr)
+
+
+ /************************************************
+ * Enemy Ship Shot
+ ************************************************/
+ DISCRETE_OP_AMP(NODE_20, /* IC E1, pin 10 */
+ 1, /* ENAB */
+ 0, /* no IN0 */
+ SPCENCTR_ENEMY_SHIP_SHOT_EN, /* IN1 */
+ &spcenctr_enemy_ship_shot_op_amp_E1)
+ DISCRETE_OP_AMP_VCO1(NODE_21, /* IC D1, pin 5 */
+ 1, /* ENAB */
+ NODE_20, /* VMOD1 */
+ &spcenctr_enemy_ship_shot_op_amp_osc)
+ DISCRETE_OP_AMP(NODE_22, /* IC D1, pin 9 */
+ 1, /* ENAB */
+ NODE_21, /* IN0 */
+ NODE_20, /* IN1 */
+ &spcenctr_enemy_ship_shot_op_amp_D1)
+ DISCRETE_OP_AMP_FILTER(NODE_23, /* IC D1, pin 10 */
+ 1, /* ENAB */
+ NODE_22, /* INP0 */
+ 0, /* no INP1 */
+ DISC_OP_AMP_FILTER_IS_BAND_PASS_1M | DISC_OP_AMP_IS_NORTON,
+ &spcenctr_enemy_ship_shot_filt)
+ DISCRETE_CRFILTER(SPCENCTR_ENEMY_SHIP_SHOT_SND,
+ NODE_23, /* IN0 */
+ RES_K(1.8), /* R116 */
+ CAP_U(0.1) ) /* C104 */
+
+
+ /************************************************
+ * Player Shot
+ ************************************************/
+ DISCRETE_OP_AMP_ONESHOT(NODE_30, /* IC E1, pin 4 */
+ SPCENCTR_PLAYER_SHOT_EN, /* TRIG */
+ &spcenctr_player_shot_1sht) /* breadboarded and scoped at 325mS */
+ DISCRETE_OP_AMP(NODE_31, /* IC E1, pin 5 */
+ 1, /* ENAB */
+ 0, /* no IN0 */
+ NODE_30, /* IN1 */
+ &spcenctr_player_shot_op_amp_E1)
+ /* next 2 modules simulate the D502 voltage drop */
+ DISCRETE_ADDER2(NODE_32,
+ 1, /* ENAB */
+ NODE_31, /* IN0 */
+ -0.5) /* IN1 */
+ DISCRETE_CLAMP(NODE_33,
+ NODE_32, /* IN0 */
+ 0, /* MIN */
+ 12) /* MAX */
+ DISCRETE_CRFILTER(NODE_34,
+ SPCENCTR_NOISE, /* IN0 */
+ RES_M(1) + RES_K(330), /* R507, R509 */
+ CAP_U(0.1) ) /* C503 */
+ DISCRETE_GAIN(NODE_35,
+ NODE_34, /* IN0 */
+ RES_K(330)/(RES_M(1) + RES_K(330))) /* GAIN - R507 : R509 */
+ DISCRETE_OP_AMP_VCO2(NODE_36, /* IC C1, pin 4 */
+ 1, /* ENAB */
+ NODE_35, /* VMOD1 */
+ NODE_33, /* VMOD2 */
+ &spcenctr_player_shot_op_amp_osc)
+ DISCRETE_OP_AMP(NODE_37, /* IC C1, pin 9 */
+ 1, /* ENAB */
+ NODE_36, /* IN0 */
+ NODE_33, /* IN1 */
+ &spcenctr_player_shot_op_amp_C1)
+ DISCRETE_OP_AMP_TRIG_VCA(SPCENCTR_PLAYER_SHOT_SND, /* IC C1, pin 10 */
+ SPCENCTR_PLAYER_SHOT_EN, /* TRG0 */
+ 0, /* no TRG1 */
+ 0, /* no TRG2 */
+ NODE_37, /* IN0 */
+ 0, /* no IN1 */
+ &spcenctr_player_shot_tvca)
+
+
+ /************************************************
+ *Screech - unemulated
+ ************************************************/
+ DISCRETE_CONSTANT(SPCENCTR_SCREECH_SND, 0)
+
+
+ /************************************************
+ * Crash
+ ************************************************/
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_60, /* IC C2, pin 4 */
+ SPCENCTR_CRASH_EN, /* TRG0 */
+ 0, /* no TRG1 */
+ 0, /* no TRG2 */
+ SPCENCTR_NOISE, /* IN0 */
+ 0, /* no IN1 */
+ &spcenctr_crash_tvca)
+ /* The next 5 modules emulate the filter. */
+ /* The DC level was breadboarded and the frequency response was SPICEd */
+ DISCRETE_ADDER2(NODE_61, /* center on filter DC level */
+ 1, /* ENAB */
+ NODE_60, /* IN0 */
+ -6.8) /* IN1 */
+ DISCRETE_FILTER2(NODE_62,
+ 1, /* ENAB */
+ NODE_61, /* INP0 */
+ 130, /* FREQ */
+ 1.0 / 8, /* DAMP */
+ DISC_FILTER_BANDPASS)
+ DISCRETE_GAIN(NODE_63,
+ NODE_62, /* IN0 */
+ 6) /* GAIN */
+ DISCRETE_ADDER2(NODE_64, /* center on filter DC level */
+ 1, /* ENAB */
+ NODE_63, /* IN0 */
+ 6.8) /* IN1 */
+ DISCRETE_CLAMP(SPCENCTR_CRASH_SND, /* IC C2, pin 5 */
+ NODE_64, /* IN0 */
+ 0, /* MIN */
+ 12.0 - OP_AMP_NORTON_VBE) /* MAX */
+
+
+ /************************************************
+ * Explosion
+ ************************************************/
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_70, /* IC D2, pin 10 */
+ SPCENCTR_EXPLOSION_EN, /* TRG0 */
+ 0, /* no TRG1 */
+ 0, /* no TRG2 */
+ SPCENCTR_NOISE, /* IN0 */
+ 0, /* no IN1 */
+ &spcenctr_explosion_tvca)
+ DISCRETE_RCFILTER(NODE_71,
+ NODE_70, /* IN0 */
+ RES_K(1.8), /* R405 */
+ CAP_U(0.22) ) /* C401 */
+ DISCRETE_RCFILTER(SPCENCTR_EXPLOSION_SND,
+ NODE_71, /* IN0 */
+ RES_K(1.8) + RES_K(3.6), /* R405 + R406 */
+ CAP_U(0.22) ) /* C402 */
+
+
+ /************************************************
+ *Bonus
+ ************************************************/
+ DISCRETE_555_ASTABLE(NODE_80, /* pin 5 */
+ /* the pin 4 reset is not connected in schematic, but should be */
+ SPCENCTR_BONUS_EN, /* RESET */
+ RES_K(1), /* R710 */
+ RES_K(27), /* R711 */
+ CAP_U(0.047), /* C710 */
+ &spcenctr_555_bonus)
+ DISCRETE_555_ASTABLE(NODE_81, /* pin 9 */
+ SPCENCTR_BONUS_EN, /* RESET pin 10 */
+ RES_K(100), /* R713 */
+ RES_K(47), /* R714 */
+ CAP_U(1), /* C713 */
+ &spcenctr_555_bonus)
+ DISCRETE_LOGIC_AND3(NODE_82, /* IC C-D, pin 6 */
+ NODE_80, /* INP0 */
+ NODE_81, /* INP1 */
+ SPCENCTR_BONUS_EN) /* INP2 */
+ DISCRETE_GAIN(SPCENCTR_BONUS_SND, /* adjust from logic to TTL voltage level */
+ NODE_82, /* IN0 */
+ DEFAULT_TTL_V_LOGIC_1) /* GAIN */
+
+
+ /************************************************
+ *Wind - unemulated
+ ************************************************/
+ DISCRETE_CONSTANT(SPCENCTR_WIND_SND, 0)
+
+
+ /************************************************
+ * Final mix
+ ************************************************/
+ DISCRETE_MIXER7(NODE_91,
+ 1, /* ENAB */
+ SPCENCTR_ENEMY_SHIP_SHOT_SND, /* IN0 */
+ SPCENCTR_PLAYER_SHOT_SND, /* IN1 */
+ SPCENCTR_SCREECH_SND, /* IN2 */
+ SPCENCTR_CRASH_SND, /* IN3 */
+ SPCENCTR_EXPLOSION_SND, /* IN4 */
+ SPCENCTR_BONUS_SND, /* IN5 */
+ SPCENCTR_WIND_SND, /* IN6 */
+ &spcenctr_mixer)
+
+ DISCRETE_OUTPUT(NODE_91, 20000)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( spcenctr_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("snsnd", SN76477, 0)
+ MCFG_SN76477_NOISE_PARAMS(0, 0, 0) // noise + filter: N/C
+ MCFG_SN76477_DECAY_RES(0) // decay_res: N/C
+ MCFG_SN76477_ATTACK_PARAMS(0, RES_K(100)) // attack_decay_cap + attack_res
+ MCFG_SN76477_AMP_RES(RES_K(56)) // amplitude_res
+ MCFG_SN76477_FEEDBACK_RES(RES_K(10)) // feedback_res
+ MCFG_SN76477_VCO_PARAMS(0, CAP_U(0.047), RES_K(56)) // VCO volt + cap + res
+ MCFG_SN76477_PITCH_VOLTAGE(5.0) // pitch_voltage
+ MCFG_SN76477_SLF_PARAMS(CAP_U(1.0), RES_K(150)) // slf caps + res
+ MCFG_SN76477_ONESHOT_PARAMS(0, 0) // oneshot caps + res: N/C
+ MCFG_SN76477_VCO_MODE(1) // VCO mode
+ MCFG_SN76477_MIXER_PARAMS(0, 0, 0) // mixer A, B, C
+ MCFG_SN76477_ENVELOPE_PARAMS(1, 0) // envelope 1, 2
+ MCFG_SN76477_ENABLE(1) // enable
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.20)
+
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(spcenctr)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.45)
+MACHINE_CONFIG_END
+
+
+
+WRITE8_MEMBER(mw8080bw_state::spcenctr_audio_1_w)
+{
+ machine().sound().system_enable((data >> 0) & 0x01);
+
+ /* D1 is marked as 'OPTIONAL SWITCH VIDEO FOR COCKTAIL',
+ but it is never set by the software */
+
+ m_discrete->write(space, SPCENCTR_CRASH_EN, (data >> 2) & 0x01);
+
+ /* D3-D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::spcenctr_audio_2_w)
+{
+ /* set WIND SOUND FREQ(data & 0x0f) 0, if no wind */
+
+ m_discrete->write(space, SPCENCTR_EXPLOSION_EN, (data >> 4) & 0x01);
+
+ m_discrete->write(space, SPCENCTR_PLAYER_SHOT_EN, (data >> 5) & 0x01);
+
+ /* D6 and D7 are not connected */
+
+ m_port_2_last = data;
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::spcenctr_audio_3_w)
+{
+ /* if (data & 0x01) enable SCREECH (hit the sides) sound */
+
+ m_discrete->write(space, SPCENCTR_ENEMY_SHIP_SHOT_EN, (data >> 1) & 0x01);
+
+ m_spcenctr_strobe_state = (data >> 2) & 0x01;
+
+ output_set_value("LAMP", (data >> 3) & 0x01);
+
+ m_discrete->write(space, SPCENCTR_BONUS_EN, (data >> 4) & 0x01);
+
+ m_sn->enable_w((data >> 5) & 0x01); /* saucer sound */
+
+ /* D6 and D7 are not connected */
+}
+
+
+
+/*************************************
+ *
+ * Phantom II
+ *
+ *************************************/
+
+static const char *const phantom2_sample_names[] =
+{
+ "*phantom2",
+ "1", /* shot */
+ "2", /* explosion */
+ 0
+};
+
+MACHINE_CONFIG_FRAGMENT( phantom2_audio )
+ MCFG_SOUND_START_OVERRIDE(mw8080bw_state, samples)
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("samples", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(2)
+ MCFG_SAMPLES_NAMES(phantom2_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::phantom2_audio_1_w)
+{
+ UINT8 rising_bits = data & ~m_port_1_last;
+
+ /* if (data & 0x01) enable PLAYER SHOT sound */
+ if (rising_bits & 0x01) m_samples->start(0, 0);
+
+ /* if (data & 0x02) enable ENEMY SHOT sound */
+
+ machine().sound().system_mute(!(data & 0x20));
+ machine().sound().system_enable((data >> 2) & 0x01);
+
+ coin_counter_w(machine(), 0, (data >> 3) & 0x01);
+
+ /* if (data & 0x10) enable RADAR sound */
+
+ /* D5-D7 are not connected */
+
+ m_port_1_last = data;
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::phantom2_audio_2_w)
+{
+ UINT8 rising_bits = data & ~m_port_2_last;
+
+ /* D0-D2 are not connected */
+
+ /* if (data & 0x08) enable EXPLOSION sound */
+ if (rising_bits & 0x08) m_samples->start(1, 1);
+
+ output_set_value("EXPLAMP", (data >> 4) & 0x01);
+
+ /* set JET SOUND FREQ((data >> 5) & 0x07) 0, if no jet sound */
+
+ m_port_2_last = data;
+}
+
+
+
+/*************************************
+ *
+ * Bowling Alley
+ *
+ * Discrete sound emulation:
+ * Apr 2007, D.R.
+ *
+ *************************************/
+
+/* nodes - inputs */
+#define BOWLER_FOWL_EN NODE_01
+
+/* nodes - sounds */
+#define BOWLER_FOWL_SND NODE_10
+
+
+static const discrete_op_amp_tvca_info bowler_fowl_tvca =
+{
+ RES_M(2.7), /* R1103 */
+ RES_K(680), /* R1102 */
+ 0, /* no r3 */
+ RES_K(680), /* R1104 */
+ RES_K(1), /* SIP */
+ 0, /* no r6 */
+ RES_K(300), /* R1101 */
+ 0, /* no r8 */
+ 0, /* no r9 */
+ 0, /* no r10 */
+ 0, /* no r11 */
+ CAP_U(0.1), /* C1050 */
+ 0, /* no c2 */
+ 0, 0, /* no c3, c4 */
+ 5, /* v1 */
+ 0, /* no v2 */
+ 0, /* no v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f0 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f1 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, /* f2 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f3 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f4 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE /* no f5 */
+};
+
+
+static DISCRETE_SOUND_START(bowler)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUT_LOGIC(BOWLER_FOWL_EN)
+
+
+ /************************************************
+ * Explosion
+ ************************************************/
+ DISCRETE_SQUAREWFIX(NODE_20,
+ 1, /* ENAB */
+ 180, /* FREQ */
+ DEFAULT_TTL_V_LOGIC_1, /* p-p AMP */
+ 50, /* DUTY */
+ DEFAULT_TTL_V_LOGIC_1 / 2, /* dc BIAS */
+ 0) /* PHASE */
+ DISCRETE_OP_AMP_TRIG_VCA(NODE_21, /* IC P3, pin 9 */
+ BOWLER_FOWL_EN, /* TRG0 */
+ 0, /* no TRG1 */
+ 0, /* no TRG2 */
+ NODE_20, /* IN0 */
+ 0, /* no IN1 */
+ &bowler_fowl_tvca)
+ DISCRETE_CRFILTER(BOWLER_FOWL_SND,
+ NODE_21, /* IN0 */
+ RES_K(68), /* R1120 */
+ CAP_U(0.1) ) /* C1048 */
+
+ DISCRETE_OUTPUT(BOWLER_FOWL_SND, 10000)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( bowler_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(bowler)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::bowler_audio_1_w)
+{
+ /* D0 - selects controller on the cocktail PCB */
+
+ coin_counter_w(machine(), 0, (data >> 1) & 0x01);
+
+ machine().sound().system_enable((data >> 2) & 0x01);
+
+ m_discrete->write(space, BOWLER_FOWL_EN, (data >> 3) & 0x01);
+
+ /* D4 - appears to be a screen flip, but it's
+ shown unconnected on the schematics for both the
+ upright and cocktail PCB's */
+
+ /* D5 - triggered on a 'strike', sound circuit not labeled */
+
+ /* D6 and D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::bowler_audio_2_w)
+{
+ /* set BALL ROLLING SOUND FREQ(data & 0x0f)
+ 0, if no rolling, 0x08 used during ball return */
+
+ /* D4 - triggered when the ball crosses the foul line,
+ sound circuit not labeled */
+
+ /* D5 - triggered on a 'spare', sound circuit not labeled */
+
+ /* D6 and D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::bowler_audio_3_w)
+{
+ /* regardless of the data, enable BALL HITS PIN 1 sound
+ (top circuit on the schematics) */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::bowler_audio_4_w)
+{
+ /* regardless of the data, enable BALL HITS PIN 2 sound
+ (bottom circuit on the schematics) */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::bowler_audio_5_w)
+{
+ /* not sure, appears to me trigerred alongside the two
+ BALL HITS PIN sounds */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::bowler_audio_6_w)
+{
+ /* D0 is not connected */
+
+ /* D3 is not connected */
+
+ /* D6 and D7 are not connected */
+
+ /* D1, D2, D4 and D5 have something to do with a chime circuit.
+ D1 and D4 are HI when a 'strike' happens, and D2 and D5 are
+ HI on a 'spare' */
+}
+
+
+
+/*************************************
+ *
+ * Space Invaders
+ *
+ * Author : Tormod Tjaberg
+ * Created : 1997-04-09
+ * Description : Sound routines for the 'invaders' games
+ *
+ * Note:
+ * The samples were taken from Michael Strutt's (mstrutt@pixie.co.za)
+ * excellent space invader emulator and converted to signed samples so
+ * they would work under SEAL. The port info was also gleaned from
+ * his emulator. These sounds should also work on all the invader games.
+ *
+ * Discrete sound emulation:
+ * Apr 2007, D.R.
+ *
+ *************************************/
+
+static const char *const invaders_sample_names[] =
+{
+ "*invaders",
+ "1", /* shot/missle */
+ "2", /* base hit/explosion */
+ "3", /* invader hit */
+ "4", /* fleet move 1 */
+ "5", /* fleet move 2 */
+ "6", /* fleet move 3 */
+ "7", /* fleet move 4 */
+ "8", /* UFO/saucer hit */
+ "9", /* bonus base */
+ 0
+};
+
+
+/* left in for all games that hack into invaders samples for audio */
+MACHINE_CONFIG_FRAGMENT( invaders_samples_audio )
+ MCFG_SOUND_START_OVERRIDE(mw8080bw_state, samples)
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("snsnd", SN76477, 0)
+ MCFG_SN76477_NOISE_PARAMS(0, 0, 0) // noise + filter: N/C
+ MCFG_SN76477_DECAY_RES(0) // decay_res: N/C
+ MCFG_SN76477_ATTACK_PARAMS(0, RES_K(100)) // attack_decay_cap + attack_res
+ MCFG_SN76477_AMP_RES(RES_K(56)) // amplitude_res
+ MCFG_SN76477_FEEDBACK_RES(RES_K(10)) // feedback_res
+ MCFG_SN76477_VCO_PARAMS(0, CAP_U(0.1), RES_K(8.2)) // VCO volt + cap + res
+ MCFG_SN76477_PITCH_VOLTAGE(5.0) // pitch_voltage
+ MCFG_SN76477_SLF_PARAMS(CAP_U(1.0), RES_K(120)) // slf caps + res
+ MCFG_SN76477_ONESHOT_PARAMS(0, 0) // oneshot caps + res: N/C
+ MCFG_SN76477_VCO_MODE(1) // VCO mode
+ MCFG_SN76477_MIXER_PARAMS(0, 0, 0) // mixer A, B, C
+ MCFG_SN76477_ENVELOPE_PARAMS(1, 0) // envelope 1, 2
+ MCFG_SN76477_ENABLE(1) // enable
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
+
+ MCFG_SOUND_ADD("samples", SAMPLES, 0)
+ MCFG_SAMPLES_CHANNELS(6)
+ MCFG_SAMPLES_NAMES(invaders_sample_names)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+
+/* nodes - inputs */
+#define INVADERS_SAUCER_HIT_EN 01
+#define INVADERS_FLEET_DATA 02
+#define INVADERS_BONUS_MISSLE_BASE_EN 03
+#define INVADERS_INVADER_HIT_EN 04
+#define INVADERS_EXPLOSION_EN 05
+#define INVADERS_MISSILE_EN 06
+
+/* nodes - sounds */
+#define INVADERS_NOISE NODE_10
+#define INVADERS_SAUCER_HIT_SND 11
+#define INVADERS_FLEET_SND 12
+#define INVADERS_BONUS_MISSLE_BASE_SND 13
+#define INVADERS_INVADER_HIT_SND 14
+#define INVADERS_EXPLOSION_SND 15
+#define INVADERS_MISSILE_SND 16
+
+
+static const discrete_op_amp_info invaders_saucer_hit_op_amp_B3_9 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ 0, /* no r1 */
+ RES_K(100), /* R72 */
+ RES_M(1), /* R71 */
+ 0, /* no r4 */
+ CAP_U(1), /* C23 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_osc_info invaders_saucer_hit_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_CAP,
+ RES_M(1), /* R70 */
+ RES_K(470), /* R64 */
+ RES_K(100), /* R61 */
+ RES_K(120), /* R63 */
+ RES_M(1), /* R62 */
+ 0, /* no r6 */
+ 0, /* no r7 */
+ 0, /* no r8 */
+ CAP_U(0.1), /* C21 */
+ 12, /* vP */
+};
+
+static const discrete_op_amp_osc_info invaders_saucer_hit_vco =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW,
+ RES_M(1), /* R65 */
+ RES_K(470), /* R66 */
+ RES_K(680), /* R67 */
+ RES_M(1), /* R69*/
+ RES_M(1), /* R68 */
+ 0, /* no r6 */
+ 0, /* no r7 */
+ 0, /* no r8 */
+ CAP_P(470), /* C22 */
+ 12, /* vP */
+};
+
+
+static const discrete_op_amp_info invaders_saucer_hit_op_amp_B3_10 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ RES_K(680), /* R73 */
+ RES_K(680), /* R77 */
+ RES_M(2.7), /* R74 */
+ RES_K(680), /* R75 */
+ 0, /* no c */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_comp_adder_table invaders_thump_resistors =
+{
+ DISC_COMP_P_RESISTOR,
+ 0, /* no cDefault */
+ 4, /* length */
+ { RES_K(20) + RES_K(20), /* R126 + R127 */
+ RES_K(68), /* R128 */
+ RES_K(82), /* R129 */
+ RES_K(100) } /* R130 */
+};
+
+
+static const discrete_555_desc invaders_thump_555 =
+{
+ DISC_555_OUT_ENERGY | DISC_555_OUT_DC,
+ 5,
+ 5.0 - 0.6, /* 5V - diode drop */
+ DEFAULT_TTL_V_LOGIC_1 /* Output of F3 7411 buffer */
+};
+
+
+static const discrete_555_desc invaders_bonus_555 =
+{
+ DISC_555_OUT_SQW | DISC_555_OUT_DC,
+ 5.0, /* 5V */
+ DEFAULT_555_VALUES
+};
+
+
+static const discrete_op_amp_1sht_info invaders_invader_hit_1sht =
+{
+ DISC_OP_AMP_1SHT_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(4.7), /* R49 */
+ RES_K(100), /* R51 */
+ RES_M(1), /* R48 */
+ RES_M(1), /* R50 */
+ RES_M(2.2), /* R52 */
+ CAP_U(0.1), /* C18 */
+ CAP_P(470), /* C20 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_info invaders_invader_hit_op_amp_D3_10 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ 0, /* no r1 */
+ RES_K(10), /* R53 */
+ RES_M(1), /* R137 */
+ 0, /* no r4 */
+ CAP_U(0.47), /* C19 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_osc_info invaders_invader_hit_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_CAP,
+ RES_M(1), /* R37 */
+ RES_K(10), /* R41 */
+ RES_K(100), /* R38 */
+ RES_K(120), /* R40 */
+ RES_M(1), /* R39 */
+ 0, /* no r6 */
+ 0, /* no r7 */
+ 0, /* no r8 */
+ CAP_U(0.1), /* C16 */
+ 12, /* vP */
+};
+
+
+static const discrete_op_amp_osc_info invaders_invader_hit_vco =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_CAP,
+ RES_M(1), /* R42 */
+ RES_K(470), /* R43 */
+ RES_K(680), /* R44 */
+ RES_M(1), /* R46 */
+ RES_M(1), /* R45 */
+ 0, /* no r6 */
+ 0, /* no r7 */
+ 0, /* no r8 */
+ CAP_P(330), /* C16 */
+ 12, /* vP */
+};
+
+
+static const discrete_op_amp_info invaders_invader_hit_op_amp_D3_4 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ RES_K(470), /* R55 */
+ RES_K(680), /* R54 */
+ RES_M(2.7), /* R56 */
+ RES_K(680), /* R57 */
+ 0, /* no c */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_1sht_info invaders_explosion_1sht =
+{
+ DISC_OP_AMP_1SHT_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(4.7), /* R90 */
+ RES_K(100), /* R88 */
+ RES_M(1), /* R91 */
+ RES_M(1), /* R89 */
+ RES_M(2.2), /* R92 */
+ CAP_U(2.2), /* C24 */
+ CAP_P(470), /* C25 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_tvca_info invaders_explosion_tvca =
+{
+ RES_M(2.7), /* R80 */
+ RES_K(680), /* R79 */
+ 0, /* no r3 */
+ RES_K(680), /* R82 */
+ RES_K(10), /* R93 */
+ 0, /* no r6 */
+ RES_K(680), /* R83 */
+ 0, /* no r8 */
+ 0, /* no r9 */
+ 0, /* no r10 */
+ 0, /* no r11 */
+ CAP_U(1), /* C26 */
+ 0, /* no c2 */
+ 0, 0, /* no c3, c4 */
+ 12.0 - OP_AMP_NORTON_VBE, /* v1 */
+ 0, /* no v2 */
+ 0, /* no v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f0 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f1 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, /* f2 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f3 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f4 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE /* no f5 */
+};
+
+
+static const discrete_op_amp_1sht_info invaders_missle_1sht =
+{
+ DISC_OP_AMP_1SHT_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(4.7), /* R32 */
+ RES_K(100), /* R30 */
+ RES_M(1), /* R31 */
+ RES_M(1), /* R33 */
+ RES_M(2.2), /* R34 */
+ CAP_U(1), /* C12 */
+ CAP_P(470), /* C15 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_info invaders_missle_op_amp_B3 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ 0, /* no r1 */
+ RES_K(10), /* R35 */
+ RES_M(1.5), /* R36 */
+ 0, /* no r4 */
+ CAP_U(0.22), /* C13 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_osc_info invaders_missle_op_amp_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_3 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW,
+ 1.0 / (1.0 / RES_M(1) + 1.0 / RES_K(330)) + RES_M(1.5), /* R29||R11 + R12 */
+ RES_M(1), /* R16 */
+ RES_K(560), /* R17 */
+ RES_M(2.2), /* R19 */
+ RES_M(1), /* R16 */
+ RES_M(4.7), /* R14 */
+ RES_M(3.3), /* R13 */
+ 0, /* no r8 */
+ CAP_P(330), /* C58 */
+ 12, /* vP */
+};
+
+
+static const discrete_op_amp_info invaders_missle_op_amp_A3 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ RES_K(560), /* R22 */
+ RES_K(470), /* R15 */
+ RES_M(2.7), /* R20 */
+ RES_K(560), /* R21 */
+ 0, /* no c */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_tvca_info invaders_missle_tvca =
+{
+ RES_M(2.7), /* R25 */
+ RES_K(560), /* R23 */
+ 0, /* no r3 */
+ RES_K(560), /* R26 */
+ RES_K(1), /* */
+ 0, /* no r6 */
+ RES_K(560), /* R60 */
+ 0, /* no r8 */
+ 0, /* no r9 */
+ 0, /* no r10 */
+ 0, /* no r11 */
+ CAP_U(0.1), /* C14 */
+ 0, /* no c2 */
+ 0, 0, /* no c3, c4 */
+ 5, /* v1 */
+ 0, /* no v2 */
+ 0, /* no v3 */
+ 12, /* vP */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f0 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f1 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_TRG0, /* f2 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f3 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE, /* no f4 */
+ DISC_OP_AMP_TRIGGER_FUNCTION_NONE /* no f5 */
+};
+
+
+static const discrete_mixer_desc invaders_mixer =
+{
+ DISC_MIXER_IS_OP_AMP, /* type */
+ { RES_K(200), /* R78 */
+ RES_K(10) + 100 + 100, /* R134 + R133 + R132 */
+ RES_K(150), /* R136 */
+ RES_K(200), /* R59 */
+ RES_K(2) + RES_K(6.8) + RES_K(5.6), /* R86 + R85 + R84 */
+ RES_K(150) }, /* R28 */
+ {0}, /* no rNode{} */
+ { 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ CAP_U(0.001) }, /* C11 */
+ 0, /* no rI */
+ RES_K(100), /* R105 */
+ 0, /* no cF */
+ CAP_U(0.1), /* C45 */
+ 0, /* vRef = ground */
+ 1 /* gain */
+};
+
+
+/* sound board 1 or 2, for multi-board games */
+#define INVADERS_NODE(_node, _board) (NODE(_node + ((_board - 1) * 100)))
+
+/************************************************
+ * Noise Generator
+ ************************************************/
+/* Noise clock was breadboarded and measured at 7515 */
+#define INVADERS_NOISE_GENERATOR \
+ DISCRETE_LFSR_NOISE(INVADERS_NOISE, /* IC N5, pin 10 */ \
+ 1, /* ENAB */ \
+ 1, /* no RESET */ \
+ 7515, /* CLK in Hz */ \
+ 12, /* p-p AMPL */ \
+ 0, /* no FEED input */ \
+ 12.0/2, /* dc BIAS */ \
+ &midway_lfsr)
+
+
+/************************************************
+ * Saucer Hit
+ ************************************************/
+#define INVADERS_SAUCER_HIT(_board) \
+ DISCRETE_INPUTX_LOGIC(INVADERS_NODE(INVADERS_SAUCER_HIT_EN, _board), 12, 0, 0) \
+ DISCRETE_OP_AMP(INVADERS_NODE(20, _board), /* IC B3, pin 9 */ \
+ 1, /* ENAB */ \
+ 0, /* no IN0 */ \
+ INVADERS_NODE(INVADERS_SAUCER_HIT_EN, _board), /* IN1 */ \
+ &invaders_saucer_hit_op_amp_B3_9) \
+ DISCRETE_OP_AMP_OSCILLATOR(INVADERS_NODE(21, _board), /* IC A4, pin 5 */ \
+ 1, /* ENAB */ \
+ &invaders_saucer_hit_osc) \
+ DISCRETE_OP_AMP_VCO1(INVADERS_NODE(22, _board), /* IC A4, pin 9 */ \
+ 1, /* ENAB */ \
+ INVADERS_NODE(21, _board), /* VMOD1 */ \
+ &invaders_saucer_hit_vco) \
+ DISCRETE_OP_AMP(INVADERS_NODE(INVADERS_SAUCER_HIT_SND, _board), /* IC B3, pin 10 */ \
+ 1, /* ENAB */ \
+ INVADERS_NODE(22, _board), /* IN0 */ \
+ INVADERS_NODE(20, _board), /* IN1 */ \
+ &invaders_saucer_hit_op_amp_B3_10)
+
+
+/************************************************
+ * Fleet movement
+ ************************************************/
+#define INVADERS_FLEET(_board) \
+ DISCRETE_INPUT_DATA (INVADERS_NODE(INVADERS_FLEET_DATA, _board)) \
+ DISCRETE_COMP_ADDER(INVADERS_NODE(30, _board), \
+ INVADERS_NODE(INVADERS_FLEET_DATA, _board), /* DATA */ \
+ &invaders_thump_resistors) \
+ DISCRETE_555_ASTABLE(INVADERS_NODE(31, _board), /* IC F3, pin 6 */ \
+ 1, /* RESET */ \
+ INVADERS_NODE(30, _board), /* R1 */ \
+ RES_K(75), /* R131 */ \
+ CAP_U(0.1), /* C29 */ \
+ &invaders_thump_555) \
+ DISCRETE_RCFILTER(INVADERS_NODE(32, _board), \
+ INVADERS_NODE(31, _board), /* IN0 */ \
+ 100, /* R132 */ \
+ CAP_U(4.7) ) /* C31 */ \
+ DISCRETE_RCFILTER(INVADERS_NODE(INVADERS_FLEET_SND, _board), \
+ INVADERS_NODE(32, _board), /* IN0 */ \
+ 100 + 100, /* R132 + R133 */ \
+ CAP_U(10) ) /* C32 */
+
+
+/************************************************
+ * Bonus Missle Base
+ ************************************************/
+#define INVADERS_BONUS_MISSLE_BASE(_board) \
+ DISCRETE_INPUT_LOGIC (INVADERS_NODE(INVADERS_BONUS_MISSLE_BASE_EN, _board)) \
+ DISCRETE_555_ASTABLE(INVADERS_NODE(40, _board), /* IC F4, pin 9 */ \
+ INVADERS_NODE(INVADERS_BONUS_MISSLE_BASE_EN, _board),/* RESET */ \
+ RES_K(100), /* R94 */ \
+ RES_K(47), /* R95 */ \
+ CAP_U(1), /* C34 */ \
+ &invaders_bonus_555) \
+ DISCRETE_SQUAREWFIX(INVADERS_NODE(41, _board), \
+ 1, /* ENAB */ \
+ 480, /* FREQ */ \
+ 1, /* AMP */ \
+ 50, /* DUTY */ \
+ 1.0/2, /* BIAS */ \
+ 0) /* PHASE */ \
+ DISCRETE_LOGIC_AND3(INVADERS_NODE(42, _board), /* IC F3, pin 12 */ \
+ INVADERS_NODE(INVADERS_BONUS_MISSLE_BASE_EN, _board),/* INP0 */ \
+ INVADERS_NODE(41, _board), /* INP1 */ \
+ INVADERS_NODE(40, _board) ) /* INP2 */ \
+ DISCRETE_GAIN(INVADERS_NODE(INVADERS_BONUS_MISSLE_BASE_SND, _board),/* adjust from logic to TTL voltage level */\
+ INVADERS_NODE(42, _board), /* IN0 */ \
+ DEFAULT_TTL_V_LOGIC_1) /* GAIN */
+
+
+/************************************************
+ * Invader Hit
+ ************************************************/
+#define INVADERS_INVADER_HIT(_board, _type) \
+ DISCRETE_INPUTX_LOGIC(INVADERS_NODE(INVADERS_INVADER_HIT_EN, _board), 5, 0, 0) \
+ DISCRETE_OP_AMP_ONESHOT(INVADERS_NODE(50, _board), /* IC D3, pin 9 */ \
+ INVADERS_NODE(INVADERS_INVADER_HIT_EN, _board), /* TRIG */ \
+ &_type##_invader_hit_1sht) \
+ DISCRETE_OP_AMP(INVADERS_NODE(51, _board), /* IC D3, pin 10 */ \
+ 1, /* ENAB */ \
+ 0, /* no IN0 */ \
+ INVADERS_NODE(50, _board), /* IN1 */ \
+ &invaders_invader_hit_op_amp_D3_10) \
+ DISCRETE_OP_AMP_OSCILLATOR(INVADERS_NODE(52, _board), /* IC B4, pin 5 */ \
+ 1, /* ENAB */ \
+ &_type##_invader_hit_osc) \
+ DISCRETE_OP_AMP_VCO1(INVADERS_NODE(53, _board), /* IC B4, pin 4 */ \
+ 1, /* ENAB */ \
+ INVADERS_NODE(52, _board), /* VMOD1 */ \
+ &invaders_invader_hit_vco) \
+ DISCRETE_OP_AMP(INVADERS_NODE(INVADERS_INVADER_HIT_SND, _board), /* IC D3, pin 4 */ \
+ 1, /* ENAB */ \
+ INVADERS_NODE(53, _board), /* IN0 */ \
+ INVADERS_NODE(51, _board), /* IN1 */ \
+ &invaders_invader_hit_op_amp_D3_4)
+
+
+/************************************************
+ * Explosion
+ ************************************************/
+#define INVADERS_EXPLOSION(_board) \
+ DISCRETE_INPUTX_LOGIC(INVADERS_NODE(INVADERS_EXPLOSION_EN, _board), 5, 0, 0) \
+ DISCRETE_OP_AMP_ONESHOT(INVADERS_NODE(60, _board), /* IC D2, pin 10 */ \
+ INVADERS_NODE(INVADERS_EXPLOSION_EN, _board), /* TRIG */ \
+ &invaders_explosion_1sht) \
+ DISCRETE_OP_AMP_TRIG_VCA(INVADERS_NODE(61, _board), /* IC D2, pin 4 */ \
+ INVADERS_NODE(60, _board), /* TRG0 */ \
+ 0, /* no TRG1 */ \
+ 0, /* no TRG2 */ \
+ INVADERS_NOISE, /* IN0 */ \
+ 0, /* no IN1 */ \
+ &invaders_explosion_tvca) \
+ DISCRETE_RCFILTER(INVADERS_NODE(62, _board), \
+ INVADERS_NODE(61, _board), /* IN0 */ \
+ RES_K(5.6), /* R84 */ \
+ CAP_U(0.1) ) /* C27 */ \
+ DISCRETE_RCFILTER(INVADERS_NODE(INVADERS_EXPLOSION_SND, _board), \
+ INVADERS_NODE(62, _board), /* IN0 */ \
+ RES_K(5.6) + RES_K(6.8), /* R84 + R85 */ \
+ CAP_U(0.1) ) /* C28 */
+
+
+/************************************************
+ * Missle Sound
+ ************************************************/
+#define INVADERS_MISSILE(_board, _type) \
+ DISCRETE_INPUTX_LOGIC(INVADERS_NODE(INVADERS_MISSILE_EN, _board), 5, 0, 0) \
+ DISCRETE_OP_AMP_ONESHOT(INVADERS_NODE(70, _board), /* IC B3, pin 4 */ \
+ INVADERS_NODE(INVADERS_MISSILE_EN, _board), /* TRIG */ \
+ &_type##_missle_1sht) \
+ DISCRETE_OP_AMP(INVADERS_NODE(71, _board), /* IC B3, pin 5 */ \
+ 1, /* ENAB */ \
+ 0, /* no IN0 */ \
+ INVADERS_NODE(70, _board), /* IN1 */ \
+ &invaders_missle_op_amp_B3) \
+ /* next 2 modules simulate the D1 voltage drop */ \
+ DISCRETE_ADDER2(INVADERS_NODE(72, _board), \
+ 1, /* ENAB */ \
+ INVADERS_NODE(71, _board), /* IN0 */ \
+ -0.5) /* IN1 */ \
+ DISCRETE_CLAMP(INVADERS_NODE(73, _board), \
+ INVADERS_NODE(72, _board), /* IN0 */ \
+ 0, /* MIN */ \
+ 12) /* MAX */ \
+ DISCRETE_CRFILTER(INVADERS_NODE(74, _board), \
+ INVADERS_NOISE, /* IN0 */ \
+ RES_M(1) + RES_K(330), /* R29, R11 */ \
+ CAP_U(0.1) ) /* C57 */ \
+ DISCRETE_GAIN(INVADERS_NODE(75, _board), \
+ INVADERS_NODE(74, _board), /* IN0 */ \
+ RES_K(330)/(RES_M(1) + RES_K(330))) /* GAIN - R29 : R11 */ \
+ DISCRETE_OP_AMP_VCO2(INVADERS_NODE(76, _board), /* IC C1, pin 4 */ \
+ 1, /* ENAB */ \
+ INVADERS_NODE(75, _board), /* VMOD1 */ \
+ INVADERS_NODE(73, _board), /* VMOD2 */ \
+ &invaders_missle_op_amp_osc) \
+ DISCRETE_OP_AMP(INVADERS_NODE(77, _board), /* IC A3, pin 9 */ \
+ 1, /* ENAB */ \
+ INVADERS_NODE(76, _board), /* IN0 */ \
+ INVADERS_NODE(73, _board), /* IN1 */ \
+ &invaders_missle_op_amp_A3) \
+ DISCRETE_OP_AMP_TRIG_VCA(INVADERS_NODE(INVADERS_MISSILE_SND, _board), /* IC A3, pin 10 */ \
+ INVADERS_NODE(INVADERS_MISSILE_EN, _board), /* TRG0 */ \
+ 0, /* no TRG1 */ \
+ 0, /* no TRG2 */ \
+ INVADERS_NODE(77, _board), /* IN0 */ \
+ 0, /* no IN1 */ \
+ &invaders_missle_tvca)
+
+
+/************************************************
+ * Final mix
+ ************************************************/
+#define INVADERS_MIXER(_board, _type) \
+ DISCRETE_MIXER6(INVADERS_NODE(90, _board), \
+ 1, /* ENAB */ \
+ INVADERS_NODE(INVADERS_SAUCER_HIT_SND, _board), /* IN0 */ \
+ INVADERS_NODE(INVADERS_FLEET_SND, _board), /* IN1 */ \
+ INVADERS_NODE(INVADERS_BONUS_MISSLE_BASE_SND, _board), /* IN2 */ \
+ INVADERS_NODE(INVADERS_INVADER_HIT_SND, _board), /* IN3 */ \
+ INVADERS_NODE(INVADERS_EXPLOSION_SND, _board), /* IN4 */ \
+ INVADERS_NODE(INVADERS_MISSILE_SND, _board), /* IN5 */ \
+ &_type##_mixer) \
+ DISCRETE_OUTPUT(INVADERS_NODE(90, _board), 2500)
+
+/* Schematic M051-00739-A005 and M051-00739-B005 */
+/* P.C. A084-90700-B000 and A084-90700-C000 */
+static DISCRETE_SOUND_START(invaders)
+ INVADERS_NOISE_GENERATOR
+ INVADERS_SAUCER_HIT(1)
+ INVADERS_FLEET(1)
+ INVADERS_BONUS_MISSLE_BASE(1)
+ INVADERS_INVADER_HIT(1, invaders)
+ INVADERS_EXPLOSION(1)
+ INVADERS_MISSILE(1, invaders)
+ INVADERS_MIXER(1, invaders)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( invaders_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("snsnd", SN76477, 0)
+ MCFG_SN76477_NOISE_PARAMS(0, 0, 0) // noise + filter: N/C
+ MCFG_SN76477_DECAY_RES(0) // decay_res: N/C
+ MCFG_SN76477_ATTACK_PARAMS(0, RES_K(100)) // attack_decay_cap + attack_res
+ MCFG_SN76477_AMP_RES(RES_K(56)) // amplitude_res
+ MCFG_SN76477_FEEDBACK_RES(RES_K(10)) // feedback_res
+ MCFG_SN76477_VCO_PARAMS(0, CAP_U(0.1), RES_K(8.2)) // VCO volt + cap + res
+ MCFG_SN76477_PITCH_VOLTAGE(5.0) // pitch_voltage
+ MCFG_SN76477_SLF_PARAMS(CAP_U(1.0), RES_K(120)) // slf caps + res
+ MCFG_SN76477_ONESHOT_PARAMS(0, 0) // oneshot caps + res: N/C
+ MCFG_SN76477_VCO_MODE(1) // VCO mode
+ MCFG_SN76477_MIXER_PARAMS(0, 0, 0) // mixer A, B, C
+ MCFG_SN76477_ENVELOPE_PARAMS(1, 0) // envelope 1, 2
+ MCFG_SN76477_ENABLE(1) // enable
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
+
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(invaders)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::invaders_audio_1_w)
+{
+ m_sn->enable_w((~data >> 0) & 0x01); /* saucer sound */
+
+ m_discrete->write(space, INVADERS_NODE(INVADERS_MISSILE_EN, 1), data & 0x02);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_EXPLOSION_EN, 1), data & 0x04);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_INVADER_HIT_EN, 1), data & 0x08);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_BONUS_MISSLE_BASE_EN, 1), data & 0x10);
+
+ machine().sound().system_enable(data & 0x20);
+
+ /* D6 and D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::invaders_audio_2_w)
+{
+ m_discrete->write(space, INVADERS_NODE(INVADERS_FLEET_DATA, 1), data & 0x0f);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_SAUCER_HIT_EN, 1), data & 0x10);
+
+ /* the flip screen line is only connected on the cocktail PCB */
+ if (invaders_is_cabinet_cocktail())
+ {
+ m_flip_screen = (data >> 5) & 0x01;
+ }
+
+ /* D6 and D7 are not connected */
+}
+
+
+
+/*************************************
+ *
+ * Blue Shark
+ *
+ * Discrete sound emulation:
+ * Jan 2007, D.R.
+ * Oct 2009, D.R.
+ *
+ *************************************/
+
+/* nodes - inputs */
+#define BLUESHRK_OCTOPUS_EN NODE_01
+#define BLUESHRK_HIT_EN NODE_02
+#define BLUESHRK_SHARK_EN NODE_03
+#define BLUESHRK_SHOT_EN NODE_04
+#define BLUESHRK_GAME_ON_EN NODE_05
+
+/* nodes - sounds */
+#define BLUESHRK_NOISE_1 NODE_11
+#define BLUESHRK_NOISE_2 NODE_12
+#define BLUESHRK_OCTOPUS_SND NODE_13
+#define BLUESHRK_HIT_SND NODE_14
+#define BLUESHRK_SHARK_SND NODE_15
+#define BLUESHRK_SHOT_SND NODE_16
+
+/* Parts List - Resistors */
+#define BLUESHRK_R300 RES_M(1)
+#define BLUESHRK_R301 RES_K(100)
+#define BLUESHRK_R302 RES_M(1)
+#define BLUESHRK_R303 RES_K(33)
+#define BLUESHRK_R304 RES_K(120)
+#define BLUESHRK_R305 RES_M(1)
+#define BLUESHRK_R306 RES_K(470)
+#define BLUESHRK_R307 RES_K(680)
+#define BLUESHRK_R308 RES_M(1)
+#define BLUESHRK_R309 RES_M(1)
+#define BLUESHRK_R310 RES_K(680)
+#define BLUESHRK_R311 RES_K(1)
+#define BLUESHRK_R312 RES_K(100)
+#define BLUESHRK_R313 RES_M(1)
+#define BLUESHRK_R314 RES_M(1)
+#define BLUESHRK_R315 RES_M(4.7)
+#define BLUESHRK_R316 RES_M(2.2)
+#define BLUESHRK_R317 RES_K(10)
+#define BLUESHRK_R318 RES_M(1)
+#define BLUESHRK_R319 RES_K(680)
+#define BLUESHRK_R320 RES_M(2.7)
+#define BLUESHRK_R321 RES_K(680)
+#define BLUESHRK_R324 RES_K(750)
+#define BLUESHRK_R520 RES_K(510)
+#define BLUESHRK_R521 RES_K(22)
+#define BLUESHRK_R529 RES_K(33)
+#define BLUESHRK_R601 RES_K(47)
+#define BLUESHRK_R602 RES_K(22)
+#define BLUESHRK_R603 RES_K(39)
+#define BLUESHRK_R604 RES_K(1)
+#define BLUESHRK_R605 RES_M(1)
+#define BLUESHRK_R700 RES_K(68)
+#define BLUESHRK_R701 RES_K(470)
+#define BLUESHRK_R702 RES_M(1.2)
+#define BLUESHRK_R703 RES_M(1.5)
+#define BLUESHRK_R704 RES_K(22)
+#define BLUESHRK_R705 RES_K(100)
+#define BLUESHRK_R706 RES_K(470)
+#define BLUESHRK_R707 RES_M(1.2)
+#define BLUESHRK_R708 RES_M(1.5)
+#define BLUESHRK_R709 RES_K(22)
+#define BLUESHRK_R710 RES_K(470)
+#define BLUESHRK_R711 RES_K(39)
+#define BLUESHRK_R712 RES_M(1.2)
+#define BLUESHRK_R713 RES_M(1.5)
+#define BLUESHRK_R714 RES_K(22)
+#define BLUESHRK_R715 RES_K(47)
+#define BLUESHRK_R716 RES_K(75)
+#define BLUESHRK_R717 RES_M(1.5)
+#define BLUESHRK_R718 RES_M(2.2)
+#define BLUESHRK_R719 RES_K(560)
+#define BLUESHRK_R720 RES_M(1.5)
+#define BLUESHRK_R721 RES_M(2.2)
+#define BLUESHRK_R722 RES_M(2.2)
+#define BLUESHRK_R723 RES_K(560)
+#define BLUESHRK_R724 RES_K(12)
+#define BLUESHRK_R725 RES_K(68)
+#define BLUESHRK_R726 RES_K(330)
+#define BLUESHRK_R727 RES_M(2.2)
+#define BLUESHRK_R728 RES_M(1)
+#define BLUESHRK_R730 RES_K(56)
+#define BLUESHRK_R1000 RES_K(1)
+
+/* Parts List - Capacitors */
+#define BLUESHRK_C300 CAP_U(0.1)
+#define BLUESHRK_C301 CAP_P(470)
+#define BLUESHRK_C302 CAP_P(470)
+#define BLUESHRK_C303 CAP_U(0.47)
+#define BLUESHRK_C304 CAP_U(1)
+#define BLUESHRK_C305 CAP_U(1)
+#define BLUESHRK_C508 CAP_U(1)
+#define BLUESHRK_C600 CAP_U(2.2)
+#define BLUESHRK_C602 CAP_U(0.022)
+#define BLUESHRK_C603 CAP_U(0.01)
+#define BLUESHRK_C604 CAP_U(0.015)
+#define BLUESHRK_C606 CAP_U(1)
+#define BLUESHRK_C700 CAP_U(22)
+#define BLUESHRK_C701 CAP_U(22)
+#define BLUESHRK_C702 CAP_U(10)
+#define BLUESHRK_C703 CAP_U(0.033)
+#define BLUESHRK_C704 CAP_U(0.015)
+#define BLUESHRK_C705 CAP_U(0.015)
+#define BLUESHRK_C706 CAP_U(0.033)
+#define BLUESHRK_C707 CAP_U(2.2)
+#define BLUESHRK_C708 CAP_U(1)
+#define BLUESHRK_C900 CAP_U(10)
+
+
+static const discrete_op_amp_osc_info blueshrk_octopus_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_CAP,
+ BLUESHRK_R300, BLUESHRK_R303, BLUESHRK_R301, BLUESHRK_R304, BLUESHRK_R302, 0, 0, 0, /* r1, r2, r3, r4, r5, r6, r7, r8 */
+ BLUESHRK_C300, 12 /*c, vP */
+};
+
+static const discrete_op_amp_osc_info blueshrk_octopus_vco =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_SQW,
+ BLUESHRK_R305, BLUESHRK_R306, BLUESHRK_R307, BLUESHRK_R309, BLUESHRK_R308, 0, 0, 0, /* r1, r2, r3, r4, r5, r6, r7, r8 */
+ BLUESHRK_C301, 12 /*c, vP */
+};
+
+static const discrete_op_amp_1sht_info blueshrk_octopus_oneshot =
+{
+ DISC_OP_AMP_1SHT_1 | DISC_OP_AMP_IS_NORTON,
+ BLUESHRK_R315, BLUESHRK_R312, BLUESHRK_R314, BLUESHRK_R313, BLUESHRK_R316, /* r1, r2, r3, r4, r5 */
+ BLUESHRK_C303, BLUESHRK_C302, /* c1, c2 */
+ 0, 12 /* vN, vP */
+};
+
+static const discrete_integrate_info blueshrk_octopus_integrate =
+{
+ DISC_INTEGRATE_OP_AMP_1 | DISC_OP_AMP_IS_NORTON,
+ BLUESHRK_R318, BLUESHRK_R317, 0, BLUESHRK_C304, /* r1, r2, r3, c */
+ 12, 12, /* v1, vP */
+ 0, 0, 0 /* f0, f1, f2 */
+};
+
+static const discrete_op_amp_info blueshrk_octopus_amp =
+{
+ DISC_OP_AMP_IS_NORTON,
+ BLUESHRK_R310, BLUESHRK_R319, BLUESHRK_R320, BLUESHRK_R321, /* r1, r2, r3, r4 */
+ 0, 0, 12 /* c, vN, vP */
+};
+
+static const discrete_lfsr_desc blueshrk_lfsr =
+{
+ DISC_CLK_IS_FREQ,
+ 17, /* bit length */
+ /* the RC network fed into pin 4, has the effect
+ of presetting all bits high at power up */
+ 0x1ffff, /* reset value */
+ 4, /* use bit 4 as XOR input 0 */
+ 16, /* use bit 16 as XOR input 1 */
+ DISC_LFSR_XOR, /* feedback stage1 is XOR */
+ DISC_LFSR_OR, /* feedback stage2 is just stage 1 output OR with external feed */
+ DISC_LFSR_REPLACE, /* feedback stage3 replaces the shifted register contents */
+ 0x000001, /* everything is shifted into the first bit only */
+ DISC_LFSR_FLAG_OUTPUT_SR_SN1, /* output is not inverted */
+ 12 /* output bit */
+};
+
+static const discrete_555_desc blueshrk_555_H1B =
+{
+ DISC_555_OUT_ENERGY | DISC_555_OUT_DC,
+ 5, /* B+ voltage of 555 */
+ DEFAULT_555_CHARGE,
+ 12 /* the OC buffer H2 converts the output voltage to 12V. */
+};
+
+static const discrete_op_amp_osc_info blueshrk_shark_osc1 =
+{
+ DISC_OP_AMP_OSCILLATOR_2 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_ENERGY,
+ 0, BLUESHRK_R701, BLUESHRK_R703, BLUESHRK_R702, 0, BLUESHRK_R700, 0, 0, /* r1, r2, r3, r4, r5, r6, r7, r8 */
+ BLUESHRK_C700, 12 /*c, vP */
+};
+
+static const discrete_op_amp_osc_info blueshrk_shark_osc2 =
+{
+ DISC_OP_AMP_OSCILLATOR_2 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_ENERGY,
+ 0, BLUESHRK_R706, BLUESHRK_R708, BLUESHRK_R707, 0, BLUESHRK_R705, 0, 0, /* r1, r2, r3, r4, r5, r6, r7, r8 */
+ BLUESHRK_C700, 12 /*c, vP */
+};
+
+static const discrete_op_amp_osc_info blueshrk_shark_osc3 =
+{
+ DISC_OP_AMP_OSCILLATOR_2 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_ENERGY,
+ 0, BLUESHRK_R711, BLUESHRK_R713, BLUESHRK_R712, 0, BLUESHRK_R710, 0, 0, /* r1, r2, r3, r4, r5, r6, r7, r8 */
+ BLUESHRK_C700, 12 /*c, vP */
+};
+
+static const discrete_mixer_desc blueshrk_shark_mixer =
+{
+ DISC_MIXER_IS_RESISTOR,
+ {BLUESHRK_R704, BLUESHRK_R709, BLUESHRK_R714},
+ {0}, {0}, 0, 0, 0, 0, 0, 1 /* r_node, c, rI, rF, cF, cAmp, vRef, gain */
+};
+
+static const discrete_op_amp_info blueshrk_shark_amp_m3 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ 0, BLUESHRK_R715 + RES_3_PARALLEL(BLUESHRK_R704, BLUESHRK_R709, BLUESHRK_R714), BLUESHRK_R716, 0, /* r1, r2, r3, r4 */
+ 0, 0, 12 /* c, vN, vP */
+};
+
+static const discrete_op_amp_osc_info blueshrk_shark_vco =
+{
+ DISC_OP_AMP_OSCILLATOR_VCO_3 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_ENERGY,
+ BLUESHRK_R717, BLUESHRK_R722, BLUESHRK_R719, BLUESHRK_R721, BLUESHRK_R720, /* r1, r2, r3, r4, r5 */
+ 0, 0, BLUESHRK_R718, /* r6, r7, r8 */
+ BLUESHRK_C703, 12 /*c, vP */
+};
+
+static const discrete_op_amp_info blueshrk_shark_amp_k3 =
+{
+ DISC_OP_AMP_IS_NORTON,
+ BLUESHRK_R724 + BLUESHRK_R725 + BLUESHRK_R726, /* r1 */
+ BLUESHRK_R723 , BLUESHRK_R727, BLUESHRK_R728, /* r2, r3, r4 */
+ 0, 0, 12 /* c, vN, vP */
+};
+
+static const discrete_mixer_desc blueshrk_mixer =
+{
+ DISC_MIXER_IS_RESISTOR,
+ {BLUESHRK_R324, RES_2_PARALLEL(BLUESHRK_R520, BLUESHRK_R521) + BLUESHRK_R529, BLUESHRK_R604 + BLUESHRK_R605, BLUESHRK_R730},
+ {0}, /* r_node */
+ {BLUESHRK_C305, BLUESHRK_C508, BLUESHRK_C606, BLUESHRK_C708},
+ 0, 0, 0, BLUESHRK_C900, 0, 1 /* rI, rF, cF, cAmp, vRef, gain */
+};
+
+static DISCRETE_SOUND_START(blueshrk)
+
+ /************************************************
+ * Input register mapping
+ ************************************************/
+ DISCRETE_INPUTX_LOGIC(BLUESHRK_OCTOPUS_EN, 12, 0, 0)
+ DISCRETE_INPUT_LOGIC(BLUESHRK_HIT_EN)
+ DISCRETE_INPUT_LOGIC(BLUESHRK_SHARK_EN)
+ DISCRETE_INPUT_LOGIC(BLUESHRK_SHOT_EN)
+ DISCRETE_INPUT_LOGIC(BLUESHRK_GAME_ON_EN)
+
+ /************************************************
+ * Octopus sound
+ ************************************************/
+ DISCRETE_OP_AMP_OSCILLATOR(NODE_20, /* IC M5, pin 5 */
+ 1, /* ENAB */
+ &blueshrk_octopus_osc)
+ DISCRETE_OP_AMP_VCO1(NODE_21, /* IC M5, pin 10 */
+ 1, /* ENAB */
+ NODE_20, /* VMOD1 */
+ &blueshrk_octopus_vco)
+ DISCRETE_OP_AMP_ONESHOT(NODE_22, /* IC J5, pin 10 */
+ BLUESHRK_OCTOPUS_EN, &blueshrk_octopus_oneshot)
+ DISCRETE_INTEGRATE(NODE_23, /* IC J5, pin 5 */
+ NODE_22, 0, /* TRG0,TRG1 */
+ &blueshrk_octopus_integrate)
+ DISCRETE_OP_AMP(BLUESHRK_OCTOPUS_SND, /* IC J5, pin 4 */
+ 1, /* ENAB */
+ NODE_21, NODE_23, /* IN0,IN1 */
+ &blueshrk_octopus_amp)
+
+ /************************************************
+ * Noise
+ ************************************************/
+ /* Noise clock was breadboarded and measured at 7700Hz */
+ DISCRETE_LFSR_NOISE(BLUESHRK_NOISE_1, /* IC N5, pin 10 (NODE_11) */
+ 1, 1, /* ENAB, RESET */
+ 7700, 12.0, 0, 12.0 / 2, &blueshrk_lfsr) /* CLK,AMPL,FEED,BIAS,LFSRTB */
+ DISCRETE_BIT_DECODE(BLUESHRK_NOISE_2, /* IC N5, pin 13 */
+ NODE_SUB(BLUESHRK_NOISE_1, 1), 8, 12) /* INP,BIT_N,VOUT */
+
+ /************************************************
+ * Shot sound
+ ************************************************/
+ DISCRETE_CONSTANT(BLUESHRK_SHOT_SND, 0) /* placeholder for incomplete sound */
+
+ /************************************************
+ * Hit sound
+ ************************************************/
+ DISCRETE_COUNTER(NODE_40, /* IC H3, pin 5 */
+ 1, BLUESHRK_HIT_EN, /* ENAB,RESET */
+ FREQ_OF_555(BLUESHRK_R601, 0, BLUESHRK_C600), /* CLK - IC H1, pin 9 */
+ 0,1, DISC_COUNT_UP, 0, /* MIN,MAX,DIR,INIT0 */
+ DISC_CLK_IS_FREQ)
+ DISCRETE_SWITCH(NODE_41, /* value of toggled caps */
+ 1, /* ENAB */
+ NODE_40, /* SWITCH */
+ BLUESHRK_C602 + BLUESHRK_C603, /* INP0 - IC H3, pin 5 low */
+ BLUESHRK_C604) /* INP1 - IC H3, pin 6 low */
+ DISCRETE_555_ASTABLE(BLUESHRK_HIT_SND, /* IC H2, pin 2 */
+ BLUESHRK_HIT_EN, /* RESET */
+ BLUESHRK_R602, BLUESHRK_R603, NODE_41, /* R1,R2,C */
+ &blueshrk_555_H1B)
+
+ /************************************************
+ * Shark sound
+ ************************************************/
+ DISCRETE_OP_AMP_OSCILLATOR(NODE_50, /* IC M3, pin 4 */
+ 1, /* ENAB */
+ &blueshrk_shark_osc1)
+ DISCRETE_OP_AMP_OSCILLATOR(NODE_51, /* IC M3, pin 5 */
+ 1, /* ENAB */
+ &blueshrk_shark_osc2)
+ DISCRETE_OP_AMP_OSCILLATOR(NODE_52, /* IC M3, pin 9 */
+ 1, /* ENAB */
+ &blueshrk_shark_osc3)
+ DISCRETE_MIXER3(NODE_53,
+ 1, /* ENAB */
+ NODE_50, NODE_51, NODE_52, &blueshrk_shark_mixer)
+ /* threshold detector */
+ /* if any of the above oscillators are low, then the output is low */
+ DISCRETE_OP_AMP(NODE_54, /* IC M3, pin 10 */
+ 1, /* ENAB */
+ 0, NODE_53, /* IN0,IN1 */
+ &blueshrk_shark_amp_m3)
+ DISCRETE_ADDER2(NODE_55, /* diode drops voltage */
+ 1, NODE_54, -0.7) /* ENAB,IN0,IN1 */
+ DISCRETE_CLAMP(NODE_56, NODE_55, 0, 12) /* IN0,MIN,MAX */
+ /* VCO disabled if any of the above oscillators or enable are low */
+ DISCRETE_OP_AMP_VCO1(NODE_57, /* IC K3, pin 5 */
+ BLUESHRK_SHARK_EN, NODE_56, /* ENAB,VMOD1 */
+ &blueshrk_shark_vco)
+ DISCRETE_RCFILTER(NODE_58,
+ BLUESHRK_NOISE_1, /* IN0 */
+ BLUESHRK_R724, BLUESHRK_C704)
+ DISCRETE_RCFILTER(NODE_59,
+ NODE_58, /* IN0 */
+ BLUESHRK_R724 + BLUESHRK_R725, BLUESHRK_C704)
+ DISCRETE_RCFILTER(NODE_60,
+ NODE_59, /* IN0 */
+ BLUESHRK_R724 + BLUESHRK_R725 + BLUESHRK_R726, BLUESHRK_C704)
+ DISCRETE_OP_AMP(NODE_61, /* IC K3, pin 10 */
+ 1, /* ENAB */
+ NODE_60, NODE_57, /* IN0,IN1 */
+ &blueshrk_shark_amp_k3)
+ /* the opamp output is connected directly to a capacitor */
+ /* we will simulate this using a 1 ohm resistor */
+ DISCRETE_RCFILTER(BLUESHRK_SHARK_SND,
+ NODE_61, /* IN0 */
+ 1, BLUESHRK_C707)
+
+ /************************************************
+ * Combine all sound sources.
+ ************************************************/
+ DISCRETE_MIXER4(NODE_91,
+ BLUESHRK_GAME_ON_EN,
+ BLUESHRK_OCTOPUS_SND,
+ BLUESHRK_SHOT_SND,
+ BLUESHRK_HIT_SND,
+ BLUESHRK_SHARK_SND,
+ &blueshrk_mixer)
+
+ DISCRETE_OUTPUT(NODE_91, 90000)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( blueshrk_audio )
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(blueshrk)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::blueshrk_audio_w)
+{
+ m_discrete->write(space, BLUESHRK_GAME_ON_EN, (data >> 0) & 0x01);
+
+ m_discrete->write(space, BLUESHRK_SHOT_EN, (data >> 1) & 0x01);
+
+ m_discrete->write(space, BLUESHRK_HIT_EN, (data >> 2) & 0x01);
+
+ m_discrete->write(space, BLUESHRK_SHARK_EN, (data >> 3) & 0x01);
+
+ /* if (data & 0x10) enable KILLED DIVER sound, this circuit
+ doesn't appear to be on the schematics */
+
+ m_discrete->write(space, BLUESHRK_OCTOPUS_EN, (data >> 5) & 0x01);
+
+ /* D6 and D7 are not connected */
+}
+
+
+
+/*************************************
+ *
+ * Space Invaders II (cocktail)
+ *
+ *************************************/
+
+static const discrete_op_amp_1sht_info invad2ct_invader_hit_1sht =
+{
+ DISC_OP_AMP_1SHT_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(4.7), /* R49 */
+ RES_K(100), /* R51 */
+ RES_M(1), /* R48 */
+ RES_M(1), /* R50 */
+ RES_M(2.2), /* R52 */
+ CAP_U(0.22), /* C18 */
+ CAP_P(470), /* C20 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_osc_info invad2ct_invader_hit_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_CAP,
+ RES_M(1), /* R37 */
+ RES_K(10), /* R41 */
+ RES_K(100), /* R38 */
+ RES_K(120), /* R40 */
+ RES_M(1), /* R39 */
+ 0, /* no r6 */
+ 0, /* no r7 */
+ 0, /* no r8 */
+ CAP_U(0.22), /* C16 */
+ 12, /* vP */
+};
+
+
+static const discrete_op_amp_1sht_info invad2ct_brd2_invader_hit_1sht =
+{
+ DISC_OP_AMP_1SHT_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(4.7), /* R49 */
+ RES_K(100), /* R51 */
+ RES_M(1), /* R48 */
+ RES_M(1), /* R50 */
+ RES_M(2.2), /* R52 */
+ CAP_U(1), /* C18 */
+ CAP_P(470), /* C20 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_op_amp_osc_info invad2ct_brd2_invader_hit_osc =
+{
+ DISC_OP_AMP_OSCILLATOR_1 | DISC_OP_AMP_IS_NORTON | DISC_OP_AMP_OSCILLATOR_OUT_CAP,
+ RES_M(1), /* R37 */
+ RES_K(10), /* R41 */
+ RES_K(100), /* R38 */
+ RES_K(120), /* R40 */
+ RES_M(1), /* R39 */
+ 0, /* no r6 */
+ 0, /* no r7 */
+ 0, /* no r8 */
+ CAP_U(0.1), /* C16 */
+ 12, /* vP */
+};
+
+
+static const discrete_op_amp_1sht_info invad2ct_missle_1sht =
+{
+ DISC_OP_AMP_1SHT_1 | DISC_OP_AMP_IS_NORTON,
+ RES_M(4.7), /* R32 */
+ RES_K(100), /* R30 */
+ RES_M(1), /* R31 */
+ RES_M(1), /* R33 */
+ RES_M(2.2), /* R34 */
+ CAP_U(0.22), /* C12 */
+ CAP_P(470), /* C15 */
+ 0, /* vN */
+ 12 /* vP */
+};
+
+
+static const discrete_mixer_desc invad2ct_mixer =
+{
+ DISC_MIXER_IS_OP_AMP, /* type */
+ { RES_K(100), /* R78 */
+ RES_K(15) + 100 + 100, /* R134 + R133 + R132 */
+ RES_K(150), /* R136 */
+ RES_K(150), /* R59 */
+ RES_K(10) + RES_K(6.8) + RES_K(5.6), /* R86 + R85 + R84 */
+ RES_K(150) }, /* R28 */
+ {0}, /* no rNode{} */
+ { 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ CAP_U(0.001) }, /* C11 */
+ 0, /* no rI */
+ RES_K(100), /* R105 */
+ 0, /* no cF */
+ CAP_U(0.1), /* C45 */
+ 0, /* vRef = ground */
+ 1 /* gain */
+};
+
+
+static DISCRETE_SOUND_START(invad2ct)
+ /* sound board 1 */
+ /* P.C. A082-90700-A000 */
+ /* Schematic M051-00851-A002 */
+ INVADERS_NOISE_GENERATOR
+ INVADERS_SAUCER_HIT(1)
+ INVADERS_FLEET(1)
+ INVADERS_BONUS_MISSLE_BASE(1)
+ INVADERS_INVADER_HIT(1, invad2ct)
+ INVADERS_EXPLOSION(1)
+ INVADERS_MISSILE(1, invad2ct)
+ INVADERS_MIXER(1, invad2ct)
+
+ /* sound board 2 */
+ /* P.C. A084-90901-C851 */
+ /* Schematic M051-00851-A005 */
+ INVADERS_SAUCER_HIT(2)
+ INVADERS_FLEET(2)
+ INVADERS_BONUS_MISSLE_BASE(2)
+ INVADERS_INVADER_HIT(2, invad2ct_brd2)
+ INVADERS_EXPLOSION(2)
+ INVADERS_MISSILE(2, invaders)
+ INVADERS_MIXER(2, invaders)
+DISCRETE_SOUND_END
+
+
+MACHINE_CONFIG_FRAGMENT( invad2ct_audio )
+ MCFG_SPEAKER_STANDARD_STEREO("spk1", "spk2")
+
+ MCFG_SOUND_ADD("discrete", DISCRETE, 0)
+ MCFG_DISCRETE_INTF(invad2ct)
+ MCFG_SOUND_ROUTE(0, "spk1", 0.5)
+ MCFG_SOUND_ROUTE(1, "spk2", 0.5)
+
+ MCFG_SOUND_ADD("sn1", SN76477, 0)
+ MCFG_SN76477_NOISE_PARAMS(0, 0, 0) // noise + filter: N/C
+ MCFG_SN76477_DECAY_RES(0) // decay_res: N/C
+ MCFG_SN76477_ATTACK_PARAMS(0, RES_K(100)) // attack_decay_cap + attack_res
+ MCFG_SN76477_AMP_RES(RES_K(56)) // amplitude_res
+ MCFG_SN76477_FEEDBACK_RES(RES_K(10)) // feedback_res
+ MCFG_SN76477_VCO_PARAMS(0, CAP_U(0.1), RES_K(8.2)) // VCO volt + cap + res
+ MCFG_SN76477_PITCH_VOLTAGE(5.0) // pitch_voltage
+ MCFG_SN76477_SLF_PARAMS(CAP_U(1.0), RES_K(120)) // slf caps + res
+ MCFG_SN76477_ONESHOT_PARAMS(0, 0) // oneshot caps + res: N/C
+ MCFG_SN76477_VCO_MODE(1) // VCO mode
+ MCFG_SN76477_MIXER_PARAMS(0, 0, 0) // mixer A, B, C
+ MCFG_SN76477_ENVELOPE_PARAMS(1, 0) // envelope 1, 2
+ MCFG_SN76477_ENABLE(1) // enable
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "spk1", 0.3)
+
+ MCFG_SOUND_ADD("sn2", SN76477, 0)
+ MCFG_SN76477_NOISE_PARAMS(0, 0, 0) // noise + filter: N/C
+ MCFG_SN76477_DECAY_RES(0) // decay_res: N/C
+ MCFG_SN76477_ATTACK_PARAMS(0, RES_K(100)) // attack_decay_cap + attack_res
+ MCFG_SN76477_AMP_RES(RES_K(56)) // amplitude_res
+ MCFG_SN76477_FEEDBACK_RES(RES_K(10)) // feedback_res
+ MCFG_SN76477_VCO_PARAMS(0, CAP_U(0.047), RES_K(39)) // VCO volt + cap + res
+ MCFG_SN76477_PITCH_VOLTAGE(5.0) // pitch_voltage
+ MCFG_SN76477_SLF_PARAMS(CAP_U(1.0), RES_K(120)) // slf caps + res
+ MCFG_SN76477_ONESHOT_PARAMS(0, 0) // oneshot caps + res: N/C
+ MCFG_SN76477_VCO_MODE(1) // VCO mode
+ MCFG_SN76477_MIXER_PARAMS(0, 0, 0) // mixer A, B, C
+ MCFG_SN76477_ENVELOPE_PARAMS(1, 0) // envelope 1, 2
+ MCFG_SN76477_ENABLE(1) // enable
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "spk2", 0.3)
+MACHINE_CONFIG_END
+
+
+WRITE8_MEMBER(mw8080bw_state::invad2ct_audio_1_w)
+{
+ m_sn1->enable_w((~data >> 0) & 0x01); /* saucer sound */
+
+ m_discrete->write(space, INVADERS_NODE(INVADERS_MISSILE_EN, 1), data & 0x02);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_EXPLOSION_EN, 1), data & 0x04);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_INVADER_HIT_EN, 1), data & 0x08);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_BONUS_MISSLE_BASE_EN, 1), data & 0x10);
+
+ machine().sound().system_enable(data & 0x20);
+
+ /* D6 and D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::invad2ct_audio_2_w)
+{
+ m_discrete->write(space, INVADERS_NODE(INVADERS_FLEET_DATA, 1), data & 0x0f);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_SAUCER_HIT_EN, 1), data & 0x10);
+
+ /* D5-D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::invad2ct_audio_3_w)
+{
+ m_sn2->enable_w((~data >> 0) & 0x01); /* saucer sound */
+
+ m_discrete->write(space, INVADERS_NODE(INVADERS_MISSILE_EN, 2), data & 0x02);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_EXPLOSION_EN, 2), data & 0x04);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_INVADER_HIT_EN, 2), data & 0x08);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_BONUS_MISSLE_BASE_EN, 2), data & 0x10);
+
+ /* D5-D7 are not connected */
+}
+
+
+WRITE8_MEMBER(mw8080bw_state::invad2ct_audio_4_w)
+{
+ m_discrete->write(space, INVADERS_NODE(INVADERS_FLEET_DATA, 2), data & 0x0f);
+ m_discrete->write(space, INVADERS_NODE(INVADERS_SAUCER_HIT_EN, 2), data & 0x10);
+
+ /* D5-D7 are not connected */
+}