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Diffstat (limited to 'src/mame/audio/triplhnt.cpp')
-rw-r--r-- | src/mame/audio/triplhnt.cpp | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/src/mame/audio/triplhnt.cpp b/src/mame/audio/triplhnt.cpp deleted file mode 100644 index d0ddba719d2..00000000000 --- a/src/mame/audio/triplhnt.cpp +++ /dev/null @@ -1,180 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Derrick Renaud -/************************************************************************* - - audio\triplhnt.cpp - -*************************************************************************/ -#include "emu.h" -#include "includes/triplhnt.h" -#include "sound/discrete.h" - - -const char *const triplhnt_sample_names[] = -{ - "*triplhnt", - "bear_rac", - "witch", - nullptr -}; - -/************************************************************************/ -/* triplhnt Sound System Analog emulation */ -/* Feb 2004, Derrick Renaud */ -/************************************************************************/ -static const discrete_lfsr_desc triplhnt_lfsr = -{ - DISC_CLK_IS_FREQ, - 16, /* Bit Length */ - 0, /* Reset Value */ - 0, /* Use Bit 0 as XOR input 0 */ - 14, /* Use Bit 14 as XOR input 1 */ - DISC_LFSR_XNOR, /* Feedback stage1 is XNOR */ - 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 not inverted */ - 15 /* Output bit */ -}; - -static const discrete_dac_r1_ladder triplhnt_bear_roar_v_dac = -{ - 4, // size of ladder - {1000000, 470000, 220000, 2200000}, // R47, R50, R48, R51 - 5, // vBias - 68000, // R44 - 0, // no rGnd - 0 // no smoothing cap -}; - -static const discrete_dac_r1_ladder triplhnt_bear_roar_out_dac = -{ - 3, // size of ladder - {100000, 33000, 100000}, // R56, R58, R57 - 0, // no vBias - 0, // no rBias - 0, // no rGnd - 0 // no smoothing cap -}; - -static const discrete_dac_r1_ladder triplhnt_shot_dac = -{ - 4, // size of ladder - {8200, 3900, 2200, 1000}, // R53, R54, R55, R52 - 0, // no vBias - 0, // no rBias - 0, // no rGnd - 0 // no smoothing cap -}; - -static const discrete_555_cc_desc triplhnt_bear_roar_vco = -{ - DISC_555_OUT_DC | DISC_555_OUT_SQW, - 5, // B+ voltage of 555 - DEFAULT_555_VALUES, - 0.7 // Q2 junction voltage -}; - -static const discrete_schmitt_osc_desc triplhnt_screech_osc = -{ - 2200, // R84 - 330, // R85 - 1.e-6, // C59 - DEFAULT_7414_VALUES, - 1 // invert output using 7400 gate E7 -}; - -static const discrete_mixer_desc triplhnt_mixer = -{ - DISC_MIXER_IS_RESISTOR, - {3300 + 19879.5, 47000, 27000 + 545.6}, // R59 + (R56||R57||R58), R60 + (R52||R53||R54||R55), R61 - {0}, // No variable resistor nodes - {0}, // No caps - 0, // No rI - 1000, // R78 - 1e-7, // C72 - 1e-7, // C44 - 0, // vBias not used for resistor network - 245000 -}; - -/* Nodes - Sounds */ -#define TRIPLHNT_NOISE NODE_10 -#define TRIPLHNT_BEAR_ROAR_SND NODE_11 -#define TRIPLHNT_SHOT_SND NODE_12 -#define TRIPLHNT_SCREECH_SND NODE_13 -#define POOLSHRK_SCORE_SND NODE_14 - -DISCRETE_SOUND_START(triplhnt_discrete) - /************************************************/ - /* Input register mapping for triplhnt */ - /************************************************/ - /* NODE GAIN OFFSET INIT */ - DISCRETE_INPUTX_DATA(TRIPLHNT_BEAR_ROAR_DATA, -1, 0x0f, 0) - DISCRETE_INPUT_NOT (TRIPLHNT_BEAR_EN) - DISCRETE_INPUT_DATA (TRIPLHNT_SHOT_DATA) - DISCRETE_INPUT_LOGIC(TRIPLHNT_SCREECH_EN) - DISCRETE_INPUT_NOT (TRIPLHNT_LAMP_EN) - /************************************************/ - - DISCRETE_LFSR_NOISE(TRIPLHNT_NOISE, // Output A7 pin 13 - TRIPLHNT_LAMP_EN, TRIPLHNT_LAMP_EN, // From gate A8 pin 10 - 12096000.0/2/256, // 256H signal - DEFAULT_TTL_V_LOGIC_1, 0, DEFAULT_TTL_V_LOGIC_1/2, &triplhnt_lfsr) - - /************************************************/ - /* Bear Roar is a VCO with noise mixed in. */ - /************************************************/ - DISCRETE_ADJUSTMENT(NODE_20, - 10000, // R86 + R88 @ 0 - 260000, // R86 + R88 @ max - DISC_LOGADJ, "BEAR") - DISCRETE_DAC_R1(NODE_21, // base of Q2 - TRIPLHNT_BEAR_ROAR_DATA, // IC B10, Q0-Q3 - DEFAULT_TTL_V_LOGIC_1, // TTL ON level - &triplhnt_bear_roar_v_dac) - DISCRETE_555_CC(NODE_22, 1, // IC C11 pin 3, always enabled - NODE_21, // vIn - NODE_20, // current adjust - 1.e-8, // C58 - 0, 390000, 0, // no rBias, R87, no rDis - &triplhnt_bear_roar_vco) - DISCRETE_COUNTER(NODE_23, 1, TRIPLHNT_BEAR_EN, // IC B6, QB-QD - NODE_22, // from IC C11, pin 3 - 0, 5, 1, 0, DISC_CLK_ON_R_EDGE) // /6 counter on rising edge - DISCRETE_TRANSFORM2(NODE_24, NODE_23, 2, "01>") // IC B6, pin 8 - DISCRETE_LOGIC_INVERT(NODE_25, NODE_22) // IC D9, pin 3 - DISCRETE_LOGIC_NAND(NODE_26, NODE_25, TRIPLHNT_NOISE) // IC D9, pin 11 - DISCRETE_LOGIC_XOR(NODE_27, NODE_24, NODE_26) // IC B8, pin 6 - DISCRETE_COUNTER(NODE_28, 1, TRIPLHNT_BEAR_EN, // IC B6, pin 12 - NODE_27, // from IC B8, pin 6 - 0, 1, 1, 0, DISC_CLK_ON_R_EDGE) // /2 counter on rising edge - DISCRETE_TRANSFORM5(NODE_29, NODE_24, NODE_28, NODE_26, 2, 4, "13*24*+0+") // Mix the mess together in binary - DISCRETE_DAC_R1(TRIPLHNT_BEAR_ROAR_SND, NODE_29, - DEFAULT_TTL_V_LOGIC_1, - &triplhnt_bear_roar_out_dac) - - /************************************************/ - /* Shot is just the noise amplitude modulated */ - /* by an R1 DAC. */ - /************************************************/ - DISCRETE_SWITCH(NODE_40, 1, // Gate A9, pins 6, 8, 11, 3 - TRIPLHNT_NOISE, // noise enables the data which is then inverted - 1, TRIPLHNT_SHOT_DATA) - DISCRETE_DAC_R1(TRIPLHNT_SHOT_SND, - NODE_40, - DEFAULT_TTL_V_LOGIC_1, - &triplhnt_shot_dac) - - /************************************************/ - /* Screech is just the noise modulating a */ - /* Schmitt VCO. */ - /************************************************/ - DISCRETE_SCHMITT_OSCILLATOR(TRIPLHNT_SCREECH_SND, TRIPLHNT_SCREECH_EN, TRIPLHNT_NOISE, 3.4, &triplhnt_screech_osc) - - /************************************************/ - /* Final mix and output. */ - /************************************************/ - DISCRETE_MIXER3(NODE_90, 1, TRIPLHNT_BEAR_ROAR_SND, TRIPLHNT_SHOT_SND, TRIPLHNT_SCREECH_SND, &triplhnt_mixer) - DISCRETE_OUTPUT(NODE_90, 1) -DISCRETE_SOUND_END |