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Diffstat (limited to 'src/mame/audio/madalien.c')
-rw-r--r--src/mame/audio/madalien.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/src/mame/audio/madalien.c b/src/mame/audio/madalien.c
index 8b6d71acf30..0457f374709 100644
--- a/src/mame/audio/madalien.c
+++ b/src/mame/audio/madalien.c
@@ -126,14 +126,14 @@ static const discrete_mixer_desc madalien_final_mix =
DISCRETE_SOUND_START( madalien )
/************************************************
- * Input register mapping
- ************************************************/
+ * Input register mapping
+ ************************************************/
DISCRETE_INPUT_DATA(MADALIEN_8910_PORTA)
DISCRETE_INPUT_DATA(MADALIEN_8910_PORTB)
/************************************************
- * Convert to individual bits
- ************************************************/
+ * Convert to individual bits
+ ************************************************/
// Port A is used to turn filtering on/off.
// 1 - player shot, siren, music
// turn bit into 4066 Ron value of 270 ohms @ 5V
@@ -165,16 +165,16 @@ DISCRETE_SOUND_START( madalien )
DISCRETE_TRANSFORM3(MADALIEN_8910_PORTB_7, 1, MADALIEN_8910_PORTB, 0x40, (DEFAULT_TTL_V_LOGIC_1 - 1) / 0x40, "01&2*")
/************************************************
- * PSG input streams
- ************************************************/
+ * PSG input streams
+ ************************************************/
// AY-3-8910 PSG have a 1Vpp level
DISCRETE_INPUTX_STREAM(MADALIEN_8910_PSG_A, 0, 2.0/32768, .250)
DISCRETE_INPUTX_STREAM(MADALIEN_8910_PSG_B, 1, 2.0/32768, .250)
DISCRETE_INPUTX_STREAM(MADALIEN_8910_PSG_C, 2, 2.0/32768, .250)
/************************************************
- * AY-3-8910 filtering
- ************************************************/
+ * AY-3-8910 filtering
+ ************************************************/
// top op-amp
DISCRETE_ONOFF(NODE_20, MADALIEN_8910_PORTA_2, MADALIEN_8910_PSG_A)
DISCRETE_OP_AMP_FILTER(NODE_21, 1, NODE_20, 0, DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &madalien_psg_a_filter)
@@ -195,8 +195,8 @@ DISCRETE_SOUND_START( madalien )
DISCRETE_MIXER3(NODE_48, 1, NODE_21, NODE_33, NODE_41, &madalien_psg_mix)
/************************************************
- * Player motor
- ************************************************/
+ * Player motor
+ ************************************************/
DISCRETE_555_ASTABLE(NODE_50, // cap is buffered by op-amp 2D.
1, // always enabled
RES_K(4.7),
@@ -225,8 +225,8 @@ DISCRETE_SOUND_START( madalien )
DISCRETE_COMP_ADDER(NODE_59, 1, MADALIEN_8910_PORTB_23, &madalien_effect_1b_vol_r)
/************************************************
- * Enemy motor
- ************************************************/
+ * Enemy motor
+ ************************************************/
DISCRETE_CRFILTER(NODE_60, 1, MADALIEN_8910_PORTB_7, RES_K(100), CAP_U(4.7))
// 2 diodes clamp it positive.
DISCRETE_CLAMP(NODE_62, 1, NODE_60, 0, 12, 0)
@@ -249,8 +249,8 @@ DISCRETE_SOUND_START( madalien )
DISCRETE_DAC_R1(NODE_68, 1, NODE_67, DEFAULT_TTL_V_LOGIC_1, &madalien_effect2_dac)
/************************************************
- * Mixer
- ************************************************/
+ * Mixer
+ ************************************************/
DISCRETE_MIXER7(NODE_90, 1, MADALIEN_8910_PSG_A, NODE_48, MADALIEN_8910_PSG_B, MADALIEN_8910_PSG_C, NODE_56, NODE_57, NODE_68, &madalien_final_mix)
DISCRETE_OUTPUT(NODE_90, 1.1)