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-rw-r--r--src/mame/audio/m79amb.c350
1 files changed, 175 insertions, 175 deletions
diff --git a/src/mame/audio/m79amb.c b/src/mame/audio/m79amb.c
index cf2a27dcc74..8100e2732b2 100644
--- a/src/mame/audio/m79amb.c
+++ b/src/mame/audio/m79amb.c
@@ -7,109 +7,109 @@
#include "includes/m79amb.h"
#include "sound/discrete.h"
-#define TIME_OF_9602(r, c) (0.34 * (r) * (c) * (1.0 + 1.0 / (r)))
-#define TIME_OF_9602_WITH_DIODE(r, c) (0.3 * (r) * (c))
+#define TIME_OF_9602(r, c) (0.34 * (r) * (c) * (1.0 + 1.0 / (r)))
+#define TIME_OF_9602_WITH_DIODE(r, c) (0.3 * (r) * (c))
/* Discrete Sound Input Nodes */
-#define M79AMB_BOOM_EN NODE_01
-#define M79AMB_THUD_EN NODE_02
-#define M79AMB_SHOT_EN NODE_03
-#define M79AMB_MC_REV_EN NODE_04
-#define M79AMB_MC_CONTROL_EN NODE_05
-#define M79AMB_TANK_TRUCK_JEEP_EN NODE_06
-#define M79AMB_WHISTLE_A_EN NODE_07
-#define M79AMB_WHISTLE_B_EN NODE_08
+#define M79AMB_BOOM_EN NODE_01
+#define M79AMB_THUD_EN NODE_02
+#define M79AMB_SHOT_EN NODE_03
+#define M79AMB_MC_REV_EN NODE_04
+#define M79AMB_MC_CONTROL_EN NODE_05
+#define M79AMB_TANK_TRUCK_JEEP_EN NODE_06
+#define M79AMB_WHISTLE_A_EN NODE_07
+#define M79AMB_WHISTLE_B_EN NODE_08
/* Discrete Sound Output Nodes */
-#define M79AMB_BOOM_SND NODE_11
-#define M79AMB_THUD_SND NODE_12
-#define M79AMB_SHOT_SND NODE_13
-#define M79AMB_MC_SND NODE_14
-#define M79AMB_TANK_TRUCK_JEEP_SND NODE_15
-#define M79AMB_WHISTLE_A_SND NODE_16
-#define M79AMB_WHISTLE_B_SND NODE_17
+#define M79AMB_BOOM_SND NODE_11
+#define M79AMB_THUD_SND NODE_12
+#define M79AMB_SHOT_SND NODE_13
+#define M79AMB_MC_SND NODE_14
+#define M79AMB_TANK_TRUCK_JEEP_SND NODE_15
+#define M79AMB_WHISTLE_A_SND NODE_16
+#define M79AMB_WHISTLE_B_SND NODE_17
/* Parts List - Resistors */
-#define M79AMB_R2 RES_K(5.6)
-#define M79AMB_R6 220
-#define M79AMB_R9 RES_K(4.7)
-#define M79AMB_R10 RES_K(2.2)
-#define M79AMB_R12 RES_K(5.6)
-#define M79AMB_R16 330
-#define M79AMB_R19 RES_K(4.7)
-#define M79AMB_R20 RES_K(2.2)
-#define M79AMB_R22 RES_K(3.3)
-#define M79AMB_R26 100
-#define M79AMB_R29 RES_K(4.7)
-#define M79AMB_R30 RES_K(1.5)
-#define M79AMB_R35 RES_K(470)
-#define M79AMB_R36 RES_K(39)
-#define M79AMB_R37 RES_K(82)
-#define M79AMB_R38 100
-#define M79AMB_R39 RES_K(10)
-#define M79AMB_R41 RES_K(2.2)
-#define M79AMB_R42 RES_K(10)
-#define M79AMB_R43 220
-#define M79AMB_R44 RES_K(39)
-#define M79AMB_R45 RES_K(82)
-#define M79AMB_R46 RES_K(10)
-#define M79AMB_R48 RES_K(2.2)
-#define M79AMB_R49 RES_K(1)
-#define M79AMB_R51 RES_K(39)
-#define M79AMB_R52 RES_K(82)
-#define M79AMB_R53 100
-#define M79AMB_R54 RES_K(10)
-#define M79AMB_R57 RES_K(2.2)
-#define M79AMB_R58 RES_K(2.2)
-#define M79AMB_R59 RES_K(1)
-#define M79AMB_R61 RES_K(39)
-#define M79AMB_R62 RES_K(82)
-#define M79AMB_R63 100
-#define M79AMB_R64 RES_K(10)
-#define M79AMB_R67 RES_K(2.2)
-#define M79AMB_R68 RES_K(2.2)
-#define M79AMB_R69 RES_K(1)
-#define M79AMB_R76 RES_K(2.7)
-#define M79AMB_R77 RES_K(47)
-#define M79AMB_R78 RES_K(47)
-#define M79AMB_R79 RES_K(15)
-#define M79AMB_R80 RES_K(22)
-#define M79AMB_R81 RES_K(100)
-#define M79AMB_R82 RES_K(100)
-#define M79AMB_R83 RES_K(3.3)
-#define M79AMB_R84 RES_K(50)
-#define M79AMB_R86 470
+#define M79AMB_R2 RES_K(5.6)
+#define M79AMB_R6 220
+#define M79AMB_R9 RES_K(4.7)
+#define M79AMB_R10 RES_K(2.2)
+#define M79AMB_R12 RES_K(5.6)
+#define M79AMB_R16 330
+#define M79AMB_R19 RES_K(4.7)
+#define M79AMB_R20 RES_K(2.2)
+#define M79AMB_R22 RES_K(3.3)
+#define M79AMB_R26 100
+#define M79AMB_R29 RES_K(4.7)
+#define M79AMB_R30 RES_K(1.5)
+#define M79AMB_R35 RES_K(470)
+#define M79AMB_R36 RES_K(39)
+#define M79AMB_R37 RES_K(82)
+#define M79AMB_R38 100
+#define M79AMB_R39 RES_K(10)
+#define M79AMB_R41 RES_K(2.2)
+#define M79AMB_R42 RES_K(10)
+#define M79AMB_R43 220
+#define M79AMB_R44 RES_K(39)
+#define M79AMB_R45 RES_K(82)
+#define M79AMB_R46 RES_K(10)
+#define M79AMB_R48 RES_K(2.2)
+#define M79AMB_R49 RES_K(1)
+#define M79AMB_R51 RES_K(39)
+#define M79AMB_R52 RES_K(82)
+#define M79AMB_R53 100
+#define M79AMB_R54 RES_K(10)
+#define M79AMB_R57 RES_K(2.2)
+#define M79AMB_R58 RES_K(2.2)
+#define M79AMB_R59 RES_K(1)
+#define M79AMB_R61 RES_K(39)
+#define M79AMB_R62 RES_K(82)
+#define M79AMB_R63 100
+#define M79AMB_R64 RES_K(10)
+#define M79AMB_R67 RES_K(2.2)
+#define M79AMB_R68 RES_K(2.2)
+#define M79AMB_R69 RES_K(1)
+#define M79AMB_R76 RES_K(2.7)
+#define M79AMB_R77 RES_K(47)
+#define M79AMB_R78 RES_K(47)
+#define M79AMB_R79 RES_K(15)
+#define M79AMB_R80 RES_K(22)
+#define M79AMB_R81 RES_K(100)
+#define M79AMB_R82 RES_K(100)
+#define M79AMB_R83 RES_K(3.3)
+#define M79AMB_R84 RES_K(50)
+#define M79AMB_R86 470
/* Parts List - Capacitors */
-#define M79AMB_C2 CAP_U(39)
-#define M79AMB_C3 CAP_U(22)
-#define M79AMB_C6 CAP_U(0.1)
-#define M79AMB_C8 CAP_U(39)
-#define M79AMB_C9 CAP_U(22)
-#define M79AMB_C12 CAP_U(0.1)
-#define M79AMB_C14 CAP_U(4.7)
-#define M79AMB_C15 CAP_U(3.3)
-#define M79AMB_C18 CAP_U(0.1)
-#define M79AMB_C20 CAP_U(2.2)
-#define M79AMB_C21 CAP_U(1)
-#define M79AMB_C22 CAP_U(22)
-#define M79AMB_C23 CAP_U(0.01)
-#define M79AMB_C25 CAP_U(2.2)
-#define M79AMB_C26 CAP_U(22)
-#define M79AMB_C27 CAP_U(0.47)
-#define M79AMB_C28 CAP_U(0.1)
-#define M79AMB_C29 CAP_U(22)
-#define M79AMB_C30 CAP_U(0.03)
-#define M79AMB_C31 CAP_U(0.1)
-#define M79AMB_C32 CAP_U(0.1)
-#define M79AMB_C33 CAP_U(22)
-#define M79AMB_C34 CAP_U(0.03)
-#define M79AMB_C35 CAP_U(0.1)
-#define M79AMB_C36 CAP_U(0.1)
-#define M79AMB_C37 CAP_P(500)
-#define M79AMB_C41 CAP_U(0.1)
-#define M79AMB_C42 CAP_U(15)
+#define M79AMB_C2 CAP_U(39)
+#define M79AMB_C3 CAP_U(22)
+#define M79AMB_C6 CAP_U(0.1)
+#define M79AMB_C8 CAP_U(39)
+#define M79AMB_C9 CAP_U(22)
+#define M79AMB_C12 CAP_U(0.1)
+#define M79AMB_C14 CAP_U(4.7)
+#define M79AMB_C15 CAP_U(3.3)
+#define M79AMB_C18 CAP_U(0.1)
+#define M79AMB_C20 CAP_U(2.2)
+#define M79AMB_C21 CAP_U(1)
+#define M79AMB_C22 CAP_U(22)
+#define M79AMB_C23 CAP_U(0.01)
+#define M79AMB_C25 CAP_U(2.2)
+#define M79AMB_C26 CAP_U(22)
+#define M79AMB_C27 CAP_U(0.47)
+#define M79AMB_C28 CAP_U(0.1)
+#define M79AMB_C29 CAP_U(22)
+#define M79AMB_C30 CAP_U(0.03)
+#define M79AMB_C31 CAP_U(0.1)
+#define M79AMB_C32 CAP_U(0.1)
+#define M79AMB_C33 CAP_U(22)
+#define M79AMB_C34 CAP_U(0.03)
+#define M79AMB_C35 CAP_U(0.1)
+#define M79AMB_C36 CAP_U(0.1)
+#define M79AMB_C37 CAP_P(500)
+#define M79AMB_C41 CAP_U(0.1)
+#define M79AMB_C42 CAP_U(15)
static const discrete_mixer_desc m79amb_final_mix =
@@ -124,20 +124,20 @@ static const discrete_mixer_desc m79amb_final_mix =
M79AMB_R81 + RES_2_PARALLEL(M79AMB_R59, M79AMB_R57 + M79AMB_R58),
M79AMB_R82 + RES_2_PARALLEL(M79AMB_R69, M79AMB_R67 + M79AMB_R68)
},
- {0}, /* no r_nodes */
+ {0}, /* no r_nodes */
{M79AMB_C6, M79AMB_C12, M79AMB_C18, M79AMB_C23, M79AMB_C28, M79AMB_C32, M79AMB_C36},
0,
M79AMB_R83 + M79AMB_R84,
M79AMB_C37,
M79AMB_C42,
0,
- 1 /* gain */
+ 1 /* gain */
};
DISCRETE_SOUND_START( m79amb )
/************************************************
- * Input register mapping
- ************************************************/
+ * Input register mapping
+ ************************************************/
DISCRETE_INPUT_PULSE(M79AMB_BOOM_EN, 0)
DISCRETE_INPUT_PULSE(M79AMB_THUD_EN, 0)
DISCRETE_INPUT_PULSE(M79AMB_SHOT_EN, 0)
@@ -150,87 +150,87 @@ DISCRETE_SOUND_START( m79amb )
/* Boom, Thud, Shot sounds need more accurate emulation */
/************************************************
- * Boom
- ************************************************/
+ * Boom
+ ************************************************/
DISCRETE_ONESHOT(NODE_20,
- M79AMB_BOOM_EN, /* TRIG */
- 1, /* AMPL */
+ M79AMB_BOOM_EN, /* TRIG */
+ 1, /* AMPL */
TIME_OF_9602_WITH_DIODE(M79AMB_R2, M79AMB_C2),
DISC_ONESHOT_REDGE | DISC_ONESHOT_RETRIG | DISC_OUT_ACTIVE_HIGH)
DISCRETE_RCDISC2(NODE_21,
- NODE_20, /* Q1 base */
- 0, /* Q1 off, C3 discharges */
- M79AMB_R9 + M79AMB_R10, /* discharges through amp/filter circuit */
- 12, /* Q1 on, C3 charges */
- M79AMB_R6, /* Q2 on */
- M79AMB_C3) /* controls amplitude */
+ NODE_20, /* Q1 base */
+ 0, /* Q1 off, C3 discharges */
+ M79AMB_R9 + M79AMB_R10, /* discharges through amp/filter circuit */
+ 12, /* Q1 on, C3 charges */
+ M79AMB_R6, /* Q2 on */
+ M79AMB_C3) /* controls amplitude */
DISCRETE_NOISE(M79AMB_BOOM_SND,
- 1, /* ENAB */
- 800, /* FREQ - Guess*/
- NODE_21, /* AMP */
- 0) /* BIAS - fake AC is fine*/
+ 1, /* ENAB */
+ 800, /* FREQ - Guess*/
+ NODE_21, /* AMP */
+ 0) /* BIAS - fake AC is fine*/
/************************************************
- * Thud
- ************************************************/
+ * Thud
+ ************************************************/
DISCRETE_ONESHOT(NODE_30,
- M79AMB_THUD_EN, /* TRIG */
- 1, /* AMPL */
+ M79AMB_THUD_EN, /* TRIG */
+ 1, /* AMPL */
TIME_OF_9602_WITH_DIODE(M79AMB_R12, M79AMB_C8),
DISC_ONESHOT_REDGE | DISC_ONESHOT_RETRIG | DISC_OUT_ACTIVE_HIGH)
DISCRETE_RCDISC2(NODE_31,
- NODE_30, /* Q4 base */
- 0, /* Q4 off, C9 discharges */
- M79AMB_R19 + M79AMB_R20, /* discharges through amp/filter circuit */
- 12, /* Q4 on, C9 charges */
- M79AMB_R16, /* Q5 on */
- M79AMB_C9) /* controls amplitude */
+ NODE_30, /* Q4 base */
+ 0, /* Q4 off, C9 discharges */
+ M79AMB_R19 + M79AMB_R20, /* discharges through amp/filter circuit */
+ 12, /* Q4 on, C9 charges */
+ M79AMB_R16, /* Q5 on */
+ M79AMB_C9) /* controls amplitude */
DISCRETE_NOISE(M79AMB_THUD_SND,
- 1, /* ENAB */
- 500, /* FREQ - Guess*/
- NODE_31, /* AMP */
- 0) /* BIAS - fake AC is fine*/
+ 1, /* ENAB */
+ 500, /* FREQ - Guess*/
+ NODE_31, /* AMP */
+ 0) /* BIAS - fake AC is fine*/
/************************************************
- * Shot
- ************************************************/
+ * Shot
+ ************************************************/
DISCRETE_ONESHOT(NODE_40,
- M79AMB_SHOT_EN, /* TRIG */
- 1, /* AMPL */
+ M79AMB_SHOT_EN, /* TRIG */
+ 1, /* AMPL */
TIME_OF_9602_WITH_DIODE(M79AMB_R22, M79AMB_C14),
DISC_ONESHOT_REDGE | DISC_ONESHOT_RETRIG | DISC_OUT_ACTIVE_HIGH)
DISCRETE_RCDISC2(NODE_41,
- NODE_40, /* Q7 base */
- 0, /* Q7 off, C15 discharges */
- M79AMB_R29 + M79AMB_R30, /* discharges through amp/filter circuit */
- 12, /* Q7 on, C15 charges */
- M79AMB_R26, /* Q8 on */
- M79AMB_C15) /* controls amplitude */
+ NODE_40, /* Q7 base */
+ 0, /* Q7 off, C15 discharges */
+ M79AMB_R29 + M79AMB_R30, /* discharges through amp/filter circuit */
+ 12, /* Q7 on, C15 charges */
+ M79AMB_R26, /* Q8 on */
+ M79AMB_C15) /* controls amplitude */
DISCRETE_NOISE(M79AMB_SHOT_SND,
- 1, /* ENAB */
- 1000, /* FREQ - Guess*/
- NODE_41, /* AMP */
- 0) /* BIAS - fake AC is fine*/
+ 1, /* ENAB */
+ 1000, /* FREQ - Guess*/
+ NODE_41, /* AMP */
+ 0) /* BIAS - fake AC is fine*/
/************************************************
- * MC
- ************************************************/
+ * MC
+ ************************************************/
/* not the best implementation of the pin 5 charge circuit, but it is within tolerance */
DISCRETE_RCDISC2(NODE_50,
M79AMB_MC_REV_EN,
/* R35 can be ignored on discharge */
- RES_VOLTAGE_DIVIDER(M79AMB_R36 + M79AMB_R37, M79AMB_R38) * 12, /* Q12 on */
- RES_2_PARALLEL(M79AMB_R36 + M79AMB_R37, M79AMB_R38), /* Q12 on */
- 12.0 * RES_VOLTAGE_DIVIDER(M79AMB_R36, M79AMB_R35), /* Q12 off */
- RES_2_PARALLEL(M79AMB_R36, M79AMB_R35) + M79AMB_R37, /* Q12 off */
+ RES_VOLTAGE_DIVIDER(M79AMB_R36 + M79AMB_R37, M79AMB_R38) * 12, /* Q12 on */
+ RES_2_PARALLEL(M79AMB_R36 + M79AMB_R37, M79AMB_R38), /* Q12 on */
+ 12.0 * RES_VOLTAGE_DIVIDER(M79AMB_R36, M79AMB_R35), /* Q12 off */
+ RES_2_PARALLEL(M79AMB_R36, M79AMB_R35) + M79AMB_R37, /* Q12 off */
M79AMB_C20)
/* cap charge to B+ ratio changes voltage on pin 5 */
/* (iR36 + iR35 + iR37) * R36||R35||R37 where iR35 = 0/R35 = 0 */
DISCRETE_TRANSFORM4(NODE_51, 12.0 / M79AMB_R36, NODE_50, M79AMB_R37, RES_3_PARALLEL(M79AMB_R36, M79AMB_R35, M79AMB_R37), "012/+3*")
- DISCRETE_566(NODE_52, /* IC U3, pin 4 */
- NODE_51, /* IC U3, pin 5 */
+ DISCRETE_566(NODE_52, /* IC U3, pin 4 */
+ NODE_51, /* IC U3, pin 5 */
M79AMB_R39, M79AMB_C21,
- 12, 0, 12, /* VPOS,VNEG,VCHARGE */
+ 12, 0, 12, /* VPOS,VNEG,VCHARGE */
DISC_566_OUT_DC | DISC_566_OUT_TRIANGLE)
DISCRETE_CRFILTER(NODE_53,
NODE_52, M79AMB_R41 + M79AMB_R42 + M79AMB_R43, M79AMB_C22)
@@ -238,15 +238,15 @@ DISCRETE_SOUND_START( m79amb )
DISCRETE_GAIN(M79AMB_MC_SND, NODE_54, RES_VOLTAGE_DIVIDER(M79AMB_R41 + M79AMB_R42, 2200))//M79AMB_R43))
/************************************************
- * Tank, Truck, Jeep
- ************************************************/
- DISCRETE_566(NODE_60, /* IC U4, pin 4 */
- 12.0 * RES_VOLTAGE_DIVIDER(M79AMB_R44, M79AMB_R45), /* IC U5, pin 5 */
+ * Tank, Truck, Jeep
+ ************************************************/
+ DISCRETE_566(NODE_60, /* IC U4, pin 4 */
+ 12.0 * RES_VOLTAGE_DIVIDER(M79AMB_R44, M79AMB_R45), /* IC U5, pin 5 */
M79AMB_R46, M79AMB_C25,
- 12, 0, 12, /* VPOS,VNEG,VCHARGE */
+ 12, 0, 12, /* VPOS,VNEG,VCHARGE */
DISC_566_OUT_DC | DISC_566_OUT_TRIANGLE)
DISCRETE_ONOFF(NODE_61,
- M79AMB_TANK_TRUCK_JEEP_EN, /* Q16, Q17 */
+ M79AMB_TANK_TRUCK_JEEP_EN, /* Q16, Q17 */
NODE_60)
DISCRETE_CRFILTER(NODE_62,
NODE_61, M79AMB_R48 + M79AMB_R49, M79AMB_C26)
@@ -255,20 +255,20 @@ DISCRETE_SOUND_START( m79amb )
NODE_63, RES_2_PARALLEL(M79AMB_R48, M79AMB_R49), M79AMB_C27)
/************************************************
- * Whisle A
- ************************************************/
+ * Whisle A
+ ************************************************/
DISCRETE_RCDISC2(NODE_70,
M79AMB_WHISTLE_A_EN,
- RES_VOLTAGE_DIVIDER(M79AMB_R51 + M79AMB_R52, M79AMB_R53) * 12, /* Q15 on */
- RES_2_PARALLEL(M79AMB_R53, M79AMB_R51 + M79AMB_R52), /* Q15 on */
- 12, M79AMB_R51 + M79AMB_R52, /* Q15 off */
+ RES_VOLTAGE_DIVIDER(M79AMB_R51 + M79AMB_R52, M79AMB_R53) * 12, /* Q15 on */
+ RES_2_PARALLEL(M79AMB_R53, M79AMB_R51 + M79AMB_R52), /* Q15 on */
+ 12, M79AMB_R51 + M79AMB_R52, /* Q15 off */
M79AMB_C29)
/* cap charge to B+ ratio changes voltage on pin 5 */
DISCRETE_TRANSFORM3(NODE_71, 12, NODE_70, RES_VOLTAGE_DIVIDER(M79AMB_R51, M79AMB_R52), "01-2*1+")
- DISCRETE_566(NODE_72, /* IC U5, pin 4 */
- NODE_71, /* IC U5, pin 5 */
+ DISCRETE_566(NODE_72, /* IC U5, pin 4 */
+ NODE_71, /* IC U5, pin 5 */
M79AMB_R54, M79AMB_C30,
- 12, 0, 12, /* VPOS,VNEG,VCHARGE */
+ 12, 0, 12, /* VPOS,VNEG,VCHARGE */
DISC_566_OUT_DC | DISC_566_OUT_TRIANGLE)
DISCRETE_CRFILTER(NODE_73,
NODE_72, M79AMB_R57 + M79AMB_R58 + M79AMB_R59, M79AMB_C31)
@@ -276,20 +276,20 @@ DISCRETE_SOUND_START( m79amb )
DISCRETE_GAIN(M79AMB_WHISTLE_A_SND, NODE_74, RES_VOLTAGE_DIVIDER(M79AMB_R57 + M79AMB_R58, M79AMB_R59))
/************************************************
- * Whisle B
- ************************************************/
+ * Whisle B
+ ************************************************/
DISCRETE_RCDISC2(NODE_80,
M79AMB_WHISTLE_B_EN,
- RES_VOLTAGE_DIVIDER(M79AMB_R61 + M79AMB_R62, M79AMB_R63) * 12, /* Q18 on */
- RES_2_PARALLEL(M79AMB_R63, M79AMB_R61 + M79AMB_R62), /* Q18 on */
- 12, M79AMB_R61 + M79AMB_R62, /* Q18 off */
+ RES_VOLTAGE_DIVIDER(M79AMB_R61 + M79AMB_R62, M79AMB_R63) * 12, /* Q18 on */
+ RES_2_PARALLEL(M79AMB_R63, M79AMB_R61 + M79AMB_R62), /* Q18 on */
+ 12, M79AMB_R61 + M79AMB_R62, /* Q18 off */
M79AMB_C33)
/* cap charge to B+ ratio changes voltage on pin 5 */
DISCRETE_TRANSFORM3(NODE_81, 12, NODE_80, RES_VOLTAGE_DIVIDER(M79AMB_R61, M79AMB_R62), "01-2*1+")
- DISCRETE_566(NODE_82, /* IC U5, pin 4 */
- NODE_81, /* IC U5, pin 5 */
+ DISCRETE_566(NODE_82, /* IC U5, pin 4 */
+ NODE_81, /* IC U5, pin 5 */
M79AMB_R64, M79AMB_C34,
- 12, 0, 12, /* VPOS,VNEG,VCHARGE */
+ 12, 0, 12, /* VPOS,VNEG,VCHARGE */
DISC_566_OUT_DC | DISC_566_OUT_TRIANGLE)
DISCRETE_CRFILTER(NODE_83,
NODE_82, M79AMB_R67 + M79AMB_R68 + M79AMB_R69, M79AMB_C35)
@@ -297,10 +297,10 @@ DISCRETE_SOUND_START( m79amb )
DISCRETE_GAIN(M79AMB_WHISTLE_B_SND, NODE_84, RES_VOLTAGE_DIVIDER(M79AMB_R67 + M79AMB_R68, M79AMB_R69))
/************************************************
- * Mixer
- ************************************************/
- DISCRETE_MIXER7(NODE_90, /* IC U7, pin 6 */
- 1, /* ENAB */
+ * Mixer
+ ************************************************/
+ DISCRETE_MIXER7(NODE_90, /* IC U7, pin 6 */
+ 1, /* ENAB */
M79AMB_BOOM_SND,
M79AMB_THUD_SND,
M79AMB_SHOT_SND,