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Diffstat (limited to 'src/mame/audio/asteroid.c')
-rw-r--r--src/mame/audio/asteroid.c112
1 files changed, 56 insertions, 56 deletions
diff --git a/src/mame/audio/asteroid.c b/src/mame/audio/asteroid.c
index 1f1c00f10ab..5c386521e05 100644
--- a/src/mame/audio/asteroid.c
+++ b/src/mame/audio/asteroid.c
@@ -16,57 +16,57 @@
static const discrete_lfsr_desc asteroid_lfsr =
{
DISC_CLK_IS_FREQ,
- 16, /* Bit Length */
- 0, /* Reset Value */
- 6, /* Use Bit 6 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 is already inverted by XNOR */
- 16 /* Output bit is feedback bit */
+ 16, /* Bit Length */
+ 0, /* Reset Value */
+ 6, /* Use Bit 6 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 is already inverted by XNOR */
+ 16 /* Output bit is feedback bit */
};
static const discrete_dac_r1_ladder asteroid_thump_dac1 =
{
- 4, // size of ladder
+ 4, // size of ladder
{RES_K(220), RES_K(100), RES_K(47), RES_K(22)}, //R44-R47
4.3, // 5v - diode junction
RES_K(6.8), // R49
- RES_K(47), // R44
- CAP_U(0.01) // C27
+ RES_K(47), // R44
+ CAP_U(0.01) // C27
};
static const discrete_555_cc_desc asteroid_thump_555cc =
{
DISC_555_OUT_SQW | DISC_555_OUT_AC | DISCRETE_555_CC_TO_CAP,
- 5, // B+ voltage of 555
+ 5, // B+ voltage of 555
DEFAULT_555_VALUES,
- 0.8 // VBE 2N3906 (Si)
+ 0.8 // VBE 2N3906 (Si)
};
-#define ASTEROID_SAUCER_SND_EN NODE_01
-#define ASTEROID_SAUCER_FIRE_EN NODE_02
-#define ASTEROID_SAUCER_SEL NODE_03
-#define ASTEROID_THRUST_EN NODE_04
-#define ASTEROID_SHIP_FIRE_EN NODE_05
-#define ASTEROID_LIFE_EN NODE_06
-#define ASTEROID_NOISE_RESET NODE_07
-
-#define ASTEROID_THUMP_EN NODE_08
-#define ASTEROID_THUMP_DATA NODE_09
-#define ASTEROID_EXPLODE_DATA NODE_10
-#define ASTEROID_EXPLODE_PITCH NODE_11
-
-#define ASTEROID_NOISE NODE_20
-#define ASTEROID_THUMP_SND NODE_21
-#define ASTEROID_SAUCER_SND NODE_22
-#define ASTEROID_LIFE_SND NODE_23
-#define ASTEROID_SAUCER_FIRE_SND NODE_24
-#define ASTEROID_SHIP_FIRE_SND NODE_25
-#define ASTEROID_EXPLODE_SND NODE_26
-#define ASTEROID_THRUST_SND NODE_27
+#define ASTEROID_SAUCER_SND_EN NODE_01
+#define ASTEROID_SAUCER_FIRE_EN NODE_02
+#define ASTEROID_SAUCER_SEL NODE_03
+#define ASTEROID_THRUST_EN NODE_04
+#define ASTEROID_SHIP_FIRE_EN NODE_05
+#define ASTEROID_LIFE_EN NODE_06
+#define ASTEROID_NOISE_RESET NODE_07
+
+#define ASTEROID_THUMP_EN NODE_08
+#define ASTEROID_THUMP_DATA NODE_09
+#define ASTEROID_EXPLODE_DATA NODE_10
+#define ASTEROID_EXPLODE_PITCH NODE_11
+
+#define ASTEROID_NOISE NODE_20
+#define ASTEROID_THUMP_SND NODE_21
+#define ASTEROID_SAUCER_SND NODE_22
+#define ASTEROID_LIFE_SND NODE_23
+#define ASTEROID_SAUCER_FIRE_SND NODE_24
+#define ASTEROID_SHIP_FIRE_SND NODE_25
+#define ASTEROID_EXPLODE_SND NODE_26
+#define ASTEROID_THRUST_SND NODE_27
DISCRETE_SOUND_START(asteroid)
/************************************************/
@@ -128,10 +128,10 @@ DISCRETE_SOUND_START(asteroid)
/* adder constants in the 2 lines below */
/************************************************/
// SAUCER_SEL = 1 - larger saucer
- DISCRETE_MULTADD(NODE_40, ASTEROID_SAUCER_SEL, -2.5, 8.25) // Saucer Warble rate (5.75 or 8.25Hz)
- DISCRETE_TRIANGLEWAVE(NODE_41, 1, NODE_40, 920.0, 920.0/2, 0) // (amount of warble)
+ DISCRETE_MULTADD(NODE_40, ASTEROID_SAUCER_SEL, -2.5, 8.25) // Saucer Warble rate (5.75 or 8.25Hz)
+ DISCRETE_TRIANGLEWAVE(NODE_41, 1, NODE_40, 920.0, 920.0/2, 0) // (amount of warble)
- DISCRETE_TRANSFORM4(NODE_42, ASTEROID_SAUCER_SEL, -250, NODE_41, 750, "01*2+3+") // Large saucer is 250hz lower
+ DISCRETE_TRANSFORM4(NODE_42, ASTEROID_SAUCER_SEL, -250, NODE_41, 750, "01*2+3+") // Large saucer is 250hz lower
DISCRETE_TRIANGLEWAVE(NODE_43, ASTEROID_SAUCER_SND_EN, NODE_42, 76.1, 0, 0)
DISCRETE_RCFILTER(ASTEROID_SAUCER_SND, NODE_43, 1, 1.0e-5)
@@ -141,10 +141,10 @@ DISCRETE_SOUND_START(asteroid)
/* based VCO where the frequency rapidly decays */
/* with time. */
/************************************************/
- DISCRETE_RAMP(NODE_50, ASTEROID_SHIP_FIRE_EN, ASTEROID_SHIP_FIRE_EN, (820.0-110.0)/0.28, 820.0, 110.0, 0) /* Decay - Freq */
- DISCRETE_RCDISC(NODE_51, ASTEROID_SHIP_FIRE_EN, 53.0-7.0, 2700.0*3, 1e-5) /* Decay - Amplitude */
- DISCRETE_ADDER2(NODE_52, 1, NODE_51, 7.0) /* Amplitude */
- DISCRETE_TRANSFORM3(NODE_53, 4500, NODE_50, 67, "01/2+") /* Duty */
+ DISCRETE_RAMP(NODE_50, ASTEROID_SHIP_FIRE_EN, ASTEROID_SHIP_FIRE_EN, (820.0-110.0)/0.28, 820.0, 110.0, 0) /* Decay - Freq */
+ DISCRETE_RCDISC(NODE_51, ASTEROID_SHIP_FIRE_EN, 53.0-7.0, 2700.0*3, 1e-5) /* Decay - Amplitude */
+ DISCRETE_ADDER2(NODE_52, 1, NODE_51, 7.0) /* Amplitude */
+ DISCRETE_TRANSFORM3(NODE_53, 4500, NODE_50, 67, "01/2+") /* Duty */
DISCRETE_SQUAREWAVE(NODE_54, ASTEROID_SHIP_FIRE_EN, NODE_50, NODE_52, NODE_53, 0, 0)
DISCRETE_RCFILTER(ASTEROID_SHIP_FIRE_SND, NODE_54, 1, 1.0e-5)
@@ -153,10 +153,10 @@ DISCRETE_SOUND_START(asteroid)
/* based VCO where the frequency rapidly decays */
/* with time. */
/************************************************/
- DISCRETE_RAMP(NODE_60, ASTEROID_SAUCER_FIRE_EN, ASTEROID_SAUCER_FIRE_EN, (830.0-630.0)/0.28, 830.0, 630.0, 0) /* Decay - Freq */
- DISCRETE_RCDISC(NODE_61, ASTEROID_SAUCER_FIRE_EN, 49.5-7.0, 10000.0*3, 1e-5) /* Decay - Amplitude */
- DISCRETE_ADDER2(NODE_62, 1, NODE_61, 7.0) /* Amplitude */
- DISCRETE_TRANSFORM3(NODE_63, 4500, NODE_60, 67, "01/2+") /* Duty */
+ DISCRETE_RAMP(NODE_60, ASTEROID_SAUCER_FIRE_EN, ASTEROID_SAUCER_FIRE_EN, (830.0-630.0)/0.28, 830.0, 630.0, 0) /* Decay - Freq */
+ DISCRETE_RCDISC(NODE_61, ASTEROID_SAUCER_FIRE_EN, 49.5-7.0, 10000.0*3, 1e-5) /* Decay - Amplitude */
+ DISCRETE_ADDER2(NODE_62, 1, NODE_61, 7.0) /* Amplitude */
+ DISCRETE_TRANSFORM3(NODE_63, 4500, NODE_60, 67, "01/2+") /* Duty */
DISCRETE_SQUAREWAVE(NODE_64, ASTEROID_SAUCER_FIRE_EN, NODE_60, NODE_62, NODE_63, 0, 0)
DISCRETE_RCFILTER(ASTEROID_SAUCER_FIRE_SND, NODE_64, 2, 1.0e-5)
@@ -190,9 +190,9 @@ DISCRETE_SOUND_START(asteroid)
/* the rising edge. So we won't add the extra */
/* nodes. */
/************************************************/
- DISCRETE_DIVIDE(NODE_80, 1, 12000, ASTEROID_EXPLODE_PITCH) /* Frequency */
- DISCRETE_DIVIDE(NODE_81, 1, 100, ASTEROID_EXPLODE_PITCH) /* Duty */
- DISCRETE_SQUAREWFIX(NODE_82, 1, NODE_80, 1.0, NODE_81, 1.0/2, 0) /* Pitch clock */
+ DISCRETE_DIVIDE(NODE_80, 1, 12000, ASTEROID_EXPLODE_PITCH) /* Frequency */
+ DISCRETE_DIVIDE(NODE_81, 1, 100, ASTEROID_EXPLODE_PITCH) /* Duty */
+ DISCRETE_SQUAREWFIX(NODE_82, 1, NODE_80, 1.0, NODE_81, 1.0/2, 0) /* Pitch clock */
DISCRETE_SAMPLHOLD(NODE_83, ASTEROID_NOISE, NODE_82, DISC_SAMPHOLD_REDGE)
DISCRETE_MULTIPLY(NODE_84, NODE_83, ASTEROID_EXPLODE_DATA)
DISCRETE_RCFILTER(ASTEROID_EXPLODE_SND, NODE_84, 3042, 1e-6)
@@ -210,7 +210,7 @@ DISCRETE_SOUND_START(asteroid)
DISCRETE_ADDER4(NODE_90, 1, ASTEROID_THUMP_SND, ASTEROID_SAUCER_SND, ASTEROID_SHIP_FIRE_SND, ASTEROID_SAUCER_FIRE_SND)
DISCRETE_ADDER4(NODE_91, 1, ASTEROID_THRUST_SND, ASTEROID_EXPLODE_SND, ASTEROID_LIFE_SND, NODE_90)
- DISCRETE_OUTPUT(NODE_91, 65534.0 / (131.6+76.1+49.5+53.0+1000.0+600.0)) // Take the output from the mixer
+ DISCRETE_OUTPUT(NODE_91, 65534.0 / (131.6+76.1+49.5+53.0+1000.0+600.0)) // Take the output from the mixer
DISCRETE_SOUND_END
@@ -261,9 +261,9 @@ DISCRETE_SOUND_START(astdelux)
/* the rising edge. So we won't add the extra */
/* nodes. */
/************************************************/
- DISCRETE_DIVIDE(NODE_80, 1, 12000, ASTEROID_EXPLODE_PITCH) /* Frequency */
- DISCRETE_DIVIDE(NODE_81, 1, 100, ASTEROID_EXPLODE_PITCH) /* Duty */
- DISCRETE_SQUAREWFIX(NODE_82, 1, NODE_80, 1.0, NODE_81, 1.0/2, 0) /* Pitch clock */
+ DISCRETE_DIVIDE(NODE_80, 1, 12000, ASTEROID_EXPLODE_PITCH) /* Frequency */
+ DISCRETE_DIVIDE(NODE_81, 1, 100, ASTEROID_EXPLODE_PITCH) /* Duty */
+ DISCRETE_SQUAREWFIX(NODE_82, 1, NODE_80, 1.0, NODE_81, 1.0/2, 0) /* Pitch clock */
DISCRETE_SAMPLHOLD(NODE_83, ASTEROID_NOISE, NODE_82, DISC_SAMPHOLD_REDGE)
DISCRETE_MULTIPLY(NODE_84, NODE_83, ASTEROID_EXPLODE_DATA)
DISCRETE_RCFILTER(ASTEROID_EXPLODE_SND, NODE_84, 3042, 1e-6)
@@ -274,13 +274,13 @@ DISCRETE_SOUND_START(astdelux)
/************************************************/
DISCRETE_ADDER2(NODE_90, 1, ASTEROID_THRUST_SND, ASTEROID_EXPLODE_SND)
- DISCRETE_OUTPUT(NODE_90, 65534.0/(1000+600)) // Take the output from the mixer
+ DISCRETE_OUTPUT(NODE_90, 65534.0/(1000+600)) // Take the output from the mixer
DISCRETE_SOUND_END
WRITE8_MEMBER(asteroid_state::asteroid_explode_w)
{
- discrete_sound_w(m_discrete,space,ASTEROID_EXPLODE_DATA,(data&0x3c)>>2); // Volume
+ discrete_sound_w(m_discrete,space,ASTEROID_EXPLODE_DATA,(data&0x3c)>>2); // Volume
/* We will modify the pitch data to send the divider value. */
switch ((data&0xc0))
{