diff options
Diffstat (limited to 'src/mame/audio/micro3d.c')
-rw-r--r-- | src/mame/audio/micro3d.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/src/mame/audio/micro3d.c b/src/mame/audio/micro3d.c index 87e1007c126..8c5994151c1 100644 --- a/src/mame/audio/micro3d.c +++ b/src/mame/audio/micro3d.c @@ -11,7 +11,7 @@ #include "includes/micro3d.h" -#define MM5837_CLOCK 100000 +#define MM5837_CLOCK 100000 /************************************* @@ -22,8 +22,8 @@ struct biquad { - double a0, a1, a2; /* Numerator coefficients */ - double b0, b1, b2; /* Denominator coefficients */ + double a0, a1, a2; /* Numerator coefficients */ + double b0, b1, b2; /* Denominator coefficients */ }; struct lp_filter @@ -36,8 +36,8 @@ struct lp_filter struct filter_state { - double capval; - double exponent; + double capval; + double exponent; }; struct noise_state @@ -54,14 +54,14 @@ struct noise_state UINT8 dac[4]; }; - float gain; - UINT32 noise_shift; - UINT8 noise_value; - UINT8 noise_subcount; + float gain; + UINT32 noise_shift; + UINT8 noise_value; + UINT8 noise_subcount; - filter_state noise_filters[4]; - lp_filter filter; - sound_stream *stream; + filter_state noise_filters[4]; + lp_filter filter; + sound_stream *stream; }; @@ -133,8 +133,8 @@ static void prewarp(double *a0, double *a1, double *a2,double fc, double fs) } static void bilinear(double a0, double a1, double a2, - double b0, double b1, double b2, - double *k, double fs, float *coef) + double b0, double b1, double b2, + double *k, double fs, float *coef) { double ad, bd; @@ -387,9 +387,9 @@ READ8_MEMBER(micro3d_state::micro3d_sound_io_r) { switch (offset) { - case 0x01: return (m_sound_port_latch[offset] & 0x7f) | ioport("SOUND_SW")->read(); - case 0x03: return (m_sound_port_latch[offset] & 0xf7) | (upd7759_busy_r(machine().device("upd7759")) ? 0x08 : 0); - default: return 0; + case 0x01: return (m_sound_port_latch[offset] & 0x7f) | ioport("SOUND_SW")->read(); + case 0x03: return (m_sound_port_latch[offset] & 0xf7) | (upd7759_busy_r(machine().device("upd7759")) ? 0x08 : 0); + default: return 0; } } @@ -406,7 +406,7 @@ const device_type MICRO3D = &device_creator<micro3d_sound_device>; micro3d_sound_device::micro3d_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, MICRO3D, "Microprose Custom", tag, owner, clock), - device_sound_interface(mconfig, *this) + device_sound_interface(mconfig, *this) { m_token = global_alloc_clear(noise_state); } @@ -448,5 +448,3 @@ void micro3d_sound_device::sound_stream_update(sound_stream &stream, stream_samp // should never get here fatalerror("sound_stream_update called; not applicable to legacy sound devices\n"); } - - |